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Emerson PACSystems VersaMax User Manual

Genius network interface unit
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User Manual
GFK-1535D
Jan 2023
PACSystems
VersaMax
TM
GENIUS
NETWORK INTERFACE UNIT
®
USER MANUAL
Table of Contents
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Summary of Contents for Emerson PACSystems VersaMax

  • Page 1 User Manual GFK-1535D Jan 2023 PACSystems VersaMax GENIUS NETWORK INTERFACE UNIT ® USER MANUAL...

  • Page 2: Table Of Contents

    PACSystems VersaMax Genius Network Interface User Manual Contents GFK-1535D Jan 2023 Contents Section 1: Introduction ............. 1 Related Manuals ..................... 1 The VersaMax Family of Products ............. 2 The VersaMax Genius I/O Station ..............3 1.3.1 VersaMax I/O in a Genius System ............. 4 The Genius NIU ....................
  • Page 3 PACSystems VersaMax Genius Network Interface User Manual Contents GFK-1535D Jan 2023 2.10.1 Using a Network Serial Bus Address ..........35 2.10.2 Using the Network Baud Rate ............36 2.10.3 Overriding a Network Configuration ..........37 2.10.4 Re-enabling Network Configuration ..........37 2.11 Selecting a Cable Type .................
  • Page 4 PACSystems VersaMax Genius Network Interface User Manual Contents GFK-1535D Jan 2023 4.3.4 Configure the Type of Expansion Racks ......... 65 4.3.5 Adding Expansion Racks ..............67 4.3.6 Configure the Power Supplies ............67 4.3.7 Configure the Genius NIU ..............68 4.3.8 Configuring I/O References .............
  • Page 5 PACSystems VersaMax Genius Network Interface User Manual Contents GFK-1535D Jan 2023 Appendix A: Operation of the Genius Bus ..... 112 Electrical Interface ..................112 Serial Bus Waveforms ................114 Maximum Bus Length ................115 A-3.1 Attenuation ..................115 A-3.2 Distortion ..................115 A-3.3 Propagation Delay ................
  • Page 6 These instructions do not purport to cover all details or variations in equipment, nor to provide for every possible contingency to be met during installation, operation, and maintenance. The information is supplied for informational purposes only, and Emerson makes no warranty as to the accuracy of the information included herein. Changes, modifications, and/or improvements to equipment and specifications are made periodically and these changes may or may not be reflected herein.

  • Page 7: Introduction

    PACSystems VersaMax Genius Network Interface User Manual Section 1 GFK-1535D Jan 2023 Section 1: Introduction This manual explains how to install and use a VersaMax™ Genius® Network Interface Unit module. NIU installation procedures are described in Section 2: Installation. NIU operation is described in Section 3: Operation. This section explains how the NIU interacts with the modules in its station, how it stores data, and how it exchanges data with the system host.

  • Page 8: The Versamax Tm Family Of Products

    PACSystems VersaMax Genius Network Interface User Manual Section 1 GFK-1535D Jan 2023 The VersaMax Family of Products The VersaMax family of products provides universally distributed I/O that spans PLC and PC-based architectures. Designed for industrial and commercial automation, VersaMax I/O provides a common, flexible I/O structure for local and remote-control applications.

  • Page 9: The Versamax Genius I/O Station

    PACSystems VersaMax Genius Network Interface User Manual Section 1 GFK-1535D Jan 2023 The VersaMax Genius I/O Station A VersaMax Genius I/O Station consists of a group of VersaMax modules with a VersaMax Genius NIU and attached power supply in the first position.

  • Page 10: Versamax I/O In A Genius System

    PACSystems VersaMax Genius Network Interface User Manual Section 1 GFK-1535D Jan 2023 1.4.1 VersaMax I/O in a Genius System A VersaMax Genius I/O station can be used on the same bus as PLCs with Genius Bus Controllers, Genius I/O blocks, Field Control I/O stations, and Remote I/O drop.

  • Page 11: The Genius Niu

    PACSystems VersaMax Genius Network Interface User Manual Section 1 GFK-1535D Jan 2023 The Genius NIU The VersaMax Genius Network Interface Unit (IC200GBI001) interfaces a VersaMax I/O Station to a Genius I/O bus. The system host can be any PLC or computer capable of controlling the Genius bus.

  • Page 12: Genius Niu Specifications

    PACSystems VersaMax Genius Network Interface User Manual Section 1 GFK-1535D Jan 2023 Genius NIU Specifications Feature Specification Number of Modules 8 per rack, 64 per NIU/station Network inputs per bus scan 128 bytes Network outputs per bus scan 128 bytes...

  • Page 13: Power Supplies

    PACSystems VersaMax Genius Network Interface User Manual Section 1 GFK-1535D Jan 2023 Power Supplies An AC or DC Power Supply module installs directly on the NIU. The Power Supply provides +5 V and +3.3 V power to the modules in the station.

  • Page 14: Versamax Modules

    PACSystems VersaMax Genius Network Interface User Manual Section 1 GFK-1535D Jan 2023 VersaMax Modules VersaMax IO and option modules are approximately 110mm (4.3in) by 66.8mm (2.63in) in size. Modules can be mounted either horizontally or vertically on several types of available I/O Carriers. Modules are 50mm (1.956 in) in depth, not including the height of the carrier or the mating...
  • Page 15 PACSystems VersaMax Genius Network Interface User Manual Section 1 GFK-1535D Jan 2023 Available I/O Modules The following types of VersaMax I/O Modules are available: Discrete Input Modules Module Part Number Input 120VAC 8 Point Grouped Module IC200MDL140 Input 240VAC 8 Point Grouped Module...
  • Page 16 PACSystems VersaMax Genius Network Interface User Manual Section 1 GFK-1535D Jan 2023 Discrete Mixed I/O Modules Module Part Number Mixed 16 Point Grouped Input 24VDC Pos/Neg Logic/8 Pt Relay Output IC200MDD845 2.0A per Pt Isolated Form A Mixed 120VAC Input 8 Point/Output Relay 2.0A per Point 8 Point Module IC200MDD846 Mixed 240VAC Input 8 Point/Output Relay 2.0A per Point 8 Point Module...

  • Page 17: Carriers

    PACSystems VersaMax Genius Network Interface User Manual Section 1 GFK-1535D Jan 2023 Carriers Carriers provide mounting, backplane communications, and field wiring connections for all types of VersaMax modules. I/O modules can be installed on carriers or removed without disturbing field wiring.
  • Page 18 PACSystems VersaMax Genius Network Interface User Manual Section 1 GFK-1535D Jan 2023 Available I/O Carriers and Terminal Strips The following types of I/O Carriers, terminals, and cables are available: Terminal-Style I/O Carriers Part Description Part Number Barrier-Style Terminal I/O Carrier...

  • Page 19: Expansion Modules

    PACSystems VersaMax Genius Network Interface User Manual Section 1 GFK-1535D Jan 2023 1.10 Expansion Modules Expansion modules can be used to extend the I/O Station and add more modules. To use an expansion rack with a Genius NIU that is controlled by a Series 90-30 PLC, the 90-30 CPU must be model CPU366, 367, or 374 (any version) or 350, 352, 360, 363, 364, or 374, Release 10.0 or later.
  • Page 20 PACSystems VersaMax Genius Network Interface User Manual Section 1 GFK-1535D Jan 2023 Two-Rack Local: A PLC or NIU I/O Station connected directly to one • expansion rack with a non-isolated Expansion Receiver Module (IC200ERM002). Maximum cable length is 1 meter.

  • Page 21: Versamax General Product Specifications

    PACSystems VersaMax Genius Network Interface User Manual Section 1 GFK-1535D Jan 2023 VersaMax Modules for Expansion Racks All types of VersaMax I/O and communications modules can be used in expansion racks. Some VersaMax analog modules require specific module revisions as listed below:...
  • Page 22 PACSystems VersaMax Genius Network Interface User Manual Section 1 GFK-1535D Jan 2023 EMC Immunity Electrostatic Discharge EN 61000-4-2 8KV Air, 4KV Contact RF Susceptibility EN 61000-4-3 10V /m, 80Mhz to 1000Mhz, 80% AM ENV 50140/ENV 50204 10Vrms/m, 900MHz +/-5MHZ 100%AM with 200Hz square wave...

  • Page 23: Installation

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 Section 2: Installation This section gives instructions for installing the Network Interface Unit and the Genius® bus. Module clearance • Thermal considerations • Mounting instructions • Panel-mounting •...

  • Page 24: Module Clearance

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 Module Clearance Maintain a clearance of 2 inches (5.1cm) above and below the equipment and 1 inch (2.54cm) to the left. Additional clearance requirements are shown below. Figure 9: Module Clearance 1.

  • Page 25: Thermal Considerations

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 Thermal Considerations The thermal performance specified for VersaMax I/O modules requires a clearance of 2 inches (5.1cm) above and below the modules and 1 inch (2.54cm) on each side of the modules as shown below, regardless of the orientation of the DIN rail.

  • Page 26: Mounting Instructions

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 Mounting Instructions Each rack in a VersaMax I/O Station must be installed on a single section of 7.5mm X 35mm DIN rail. “Rack” is the term used for an NIU or Expansion Receiver, plus up to 8 physically connected I/O carriers.

  • Page 27: Removing The Niu From The Din Rail

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 2.3.1 Removing the NIU from the DIN Rail 1. Turn off the power to the power supply. 2. If the NIU is attached to the panel with a screw remove the power supply module.

  • Page 28: Panel-Mounting

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 Panel-Mounting For maximum resistance to mechanical vibration and shock, the DIN-rail- mounted module must also be installed on a panel. Using the module as a template, mark the location of the module’s panel-mount hole on the panel.

  • Page 29: Installing An Expansion Transmitter Module

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 Installing an Expansion Transmitter Module If the I/O Station will have more than one expansion rack or one expansion rack that uses an Isolated Expansion Receiver Module (IC200ERM001) as its interface to the expansion bus, an Expansion Transmitter Module must be installed to the left of the NIU.

  • Page 30: Removing An Expansion Transmitter Module

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 2.5.1 Removing an Expansion Transmitter Module 1. Make sure the rack power is off. 2. Slide module on DIN rail away from the NIU in the main rack.

  • Page 31: Removing An Expansion Receiver Module

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 2.6.1 Removing an Expansion Receiver Module 1. Make sure the rack power is off. 2. Un-install the Power Supply module from the Expansion Receiver Module. 3. Slide the Expansion Receiver Module on the DIN rail away from the other modules.

  • Page 32: Connecting The Expansion Cable: Rs-485 Differential

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 2.6.3 Connecting the Expansion Cable: RS-485 Differential For a multiple-rack expansion system, connect the cable from the expansion port on the Expansion Transmitter to the Expansion Receivers as shown below. If all the Expansion Receivers are the Isolated type (IC200ERM001), the maximum overall cable length is 750 meters.
  • Page 33 PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 RS-485 Differential Inter-Rack Connection (IC200CBL601, 602, 615) Figure 20: IC200CBL601, 602, 615 Differential Inter-Rack Connection Building a Custom Expansion Cable Custom expansion cables can be built using Connector Kit IC200ACC202, Crimper AMP 90800-1, and Belden 8138, Manhattan/CDT M2483, Alpha 3498C, or equivalent AWG #28 (0.089mm...

  • Page 34: Connecting The Expansion Cable: Single-Ended

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 2.6.4 Connecting the Expansion Cable: Single- ended For a system with one non-isolated expansion rack (IC200ERM002) and NO Expansion Transmitter, connect the expansion cable from the serial port on the VersaMax NIU to the Expansion Receiver as shown below. The maximum cable length is one meter.

  • Page 35: Installing Power Supply Modules

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 Power Sources for Single-Ended Expansion Rack Systems When operating the system in single-ended mode, the power supplies for the main rack and expansion rack must be fed from the same main power source.
  • Page 36 PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 Installation...

  • Page 37: Installing Additional Modules

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 Removing the Power Supply Exercise care when working around operating equipment. Devices may become very hot and could cause injury. Figure 24: Power Supply Removal 1. Remove power.
  • Page 38 PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 Install additional modules by mounting modules on their carriers and sliding them along the DIN rail to fully engage the connectors in the sides of the carriers. Figure 26: Connecting Additional Modules Hot insertion of modules in an I/O Station is permitted.

  • Page 39: Setting The Sba And Baud Rate

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 Setting the SBA and Baud Rate 1. Open the clear protective door by pulling upward at the indentation in the side of the NIU. 2. Use a 2.44 mm (3/32 in) flat screwdriver to adjust the rotary switches.

  • Page 40: Selecting A Baud Rate

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 2.9.1 Selecting a Baud Rate All devices on a bus must use the same baud rate. • If the cable length is between 4500 and 7500 feet, you must select •...

  • Page 41: Special Switch Settings On The Niu

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 2.10 Special Switch Settings on the NIU The lettered positions of the rotary switches can optionally be used to: Use a serial bus address that has been sent from the network.

  • Page 42: Using The Network Baud Rate

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 2.10.2 Using the Network Baud Rate To use a baud rate previously received via Set Baud Rate datagram from the network, set the lower switch (Baud Rate) to the N (Network) position and cycle power to the NIU.

  • Page 43: Overriding A Network Configuration

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 2.10.3 Overriding a Network Configuration The NIU can also be configured via a message from the network. A network configuration can be set up to deliberately disable the auto- configuration function.

  • Page 44: Selecting A Cable Type

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 2.11 Selecting a Cable Type Proper cable selection is critical to the successful operation of the system. Each bus in the system can be any cable type listed in the table below.
  • Page 45 PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 Cable # Outer Terminating Number of Dielectric Ambient Temp Maximum Length Cable Run, & Make (USA) Diameter Resistor* Conductors/ Voltage Rating feet/meters at the baud rate Type -10%to+20%...

  • Page 46: Using Other Cable Types

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 2.11.1 Using Other Cable Types The cable types listed in the preceding table are recommended. If the cable types listed above are not available, the cable selected must meet the following guidelines.

  • Page 47: Bus Length

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 2.11.2 Bus Length The maximum bus length for shielded, twisted-pair cable is 7500 feet. Some cable types are restricted to shorter bus lengths. In turn, the bus length determines which baud rate may be selected. Refer to Section 2.9.1, Selecting a Baud Rate.

  • Page 48: Terminating A Bus

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 4. When inserting two wires into the same terminal, the wire size must be 0.86mm2 (18 AWG) or smaller. Both wires should be the same size and type. Do not mix stranded with solid wire in the same position.
  • Page 49 PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 suppressors should be installed from incoming power leads to the ground. Adding Suppression at the Communications Line For an individual NIU, suppression can be supplied by connecting two...

  • Page 50: Observing The Leds

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 2.13 Observing the LEDs The LEDs indicate the presence of power and show the operating mode and status of the NIU. Figure 35: LED Panel Description Indicates that the NIU is receiving power.

  • Page 51: Ce Mark Installation Requirements

    PACSystems VersaMax Genius Network Interface User Manual Section 2 GFK-1535D Jan 2023 2.14 CE Mark Installation Requirements The following requirements for surge, electrostatic discharge (ESD), and fast transient burst (FTB) protection must be met for applications that require CE Mark listing: The VersaMax I/O Station is considered to be open equipment and •...

  • Page 52: Operation

    PACSystems VersaMax Genius Network Interface User Manual Section 3 GFK-1535D Jan 2023 Section 3: Operation This section explains how the Genius NIU interacts with the modules in its station, how it stores data, and how it exchanges data on the Genius bus.

  • Page 53: Scanning Inputs And Outputs In The I/O Station

    PACSystems VersaMax Genius Network Interface User Manual Section 3 GFK-1535D Jan 2023 Scanning Inputs and Outputs in the I/O Station The NIU performs a regular I/O scan of all inputs and outputs. During each I/O scan, the NIU reads inputs from all discrete and analog input modules and places the data into its I and AI memories.

  • Page 54: Communications On The Genius Bus

    PACSystems VersaMax Genius Network Interface User Manual Section 3 GFK-1535D Jan 2023 3.3.1 Communications on the Genius Bus After completing its first input scan, the NIU starts broadcasting its input data onto the Genius bus. After the NIU completes a successful login on the bus, it starts accepting output data from the bus.

  • Page 55: Input Data Format

    PACSystems VersaMax Genius Network Interface User Manual Section 3 GFK-1535D Jan 2023 3.3.2 Input Data Format When the NIU takes its turn on the bus, it sends one input data message containing the latest values for all configured discrete inputs followed by all configured analog inputs.

  • Page 56: Output Data Format

    PACSystems VersaMax Genius Network Interface User Manual Section 3 GFK-1535D Jan 2023 I/O Data Handling by the PLC or Computer How a PLC or computer handles input data from the NIU depends on its type: A Series 90 PLC places the data in the %I and %AI references selected •...

  • Page 57: Genius Bus Scan Time

    PACSystems VersaMax Genius Network Interface User Manual Section 3 GFK-1535D Jan 2023 %AQ tables. Each discrete output module receives one byte of data for every eight points. Each analog output module receives two bytes (one word) for each analog channel...
  • Page 58 PACSystems VersaMax Genius Network Interface User Manual Section 3 GFK-1535D Jan 2023 Total Amount of Input Contribution time in ms at each baud rate and Output Data 153.6 Kb std 153.6 Kb ext 76.8 Kb 38.4 Kb 16 bytes 2.09 2.16...

  • Page 59: Fault Transfer Times

    PACSystems VersaMax Genius Network Interface User Manual Section 3 GFK-1535D Jan 2023 If the host is a PLC, the input must be present for at least one PLC sweep time plus one Genius bus scan time plus one NIU sweep time to guarantee its detection by the PLC.

  • Page 60: Operation Of The Genius Niu In Enhanced Diagnostics Mode

    PACSystems VersaMax Genius Network Interface User Manual Section 3 GFK-1535D Jan 2023 Operation of the Genius NIU in Enhanced Diagnostics Mode Genius NIUs that are version -GJ or later have a configurable Enhanced Diagnostics Mode feature. PAC Machine Edition version 5.6 SIM 8 or later is required to configure the new mode.
  • Page 61 PACSystems VersaMax Genius Network Interface User Manual Section 3 GFK-1535D Jan 2023 Modules in the I/O Station can NOT be hot-removed or hot-inserted. • If a module needs to be replaced, power must first be removed from the Genius NIU. This will cause the system to temporarily lose all of the analog channels (up to 60) in that station, not just the channels associated with the module that is being replaced.

  • Page 62: Input Message Times For Enhanced Diagnostics Mode

    PACSystems VersaMax Genius Network Interface User Manual Section 3 GFK-1535D Jan 2023 3.5.1 Input Message Times for Enhanced Diagnostics Mode The time required to transfer the Genius message that contains the input data depends on the Genius Baud Rate and the number of inputs configured in the station.

  • Page 63: Gniu Sweep Times For Enhanced Diagnostics Mode

    PACSystems VersaMax Genius Network Interface User Manual Section 3 GFK-1535D Jan 2023 3.5.2 GNIU Sweep Times for Enhanced Diagnostics Mode The Genius NIU’s sweep time refers to the amount of time it takes for the GNIU to execute one iteration of its background loop where it scans I/O and executes a small portion of its background diagnostics.
  • Page 64 PACSystems VersaMax Genius Network Interface User Manual Section 3 GFK-1535D Jan 2023 Number of Analog Modules IC200ALG265 and IC200ALG266 Configured in the Station Number of Genius Max GNIU Genius Max GNIU Genius Max GNIU Genius Max GNIU additional Sweep Sweep...
  • Page 65 PACSystems VersaMax Genius Network Interface User Manual Section 3 GFK-1535D Jan 2023 Number of Analog Modules IC200ALG265 and IC200ALG266 Configured in the Station Number of Genius Max GNIU Genius Max GNIU Genius Max GNIU Genius Max GNIU additional Sweep Sweep...

  • Page 66: Configuration

    PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 Section 4: Configuration This section explains how a Genius NIU and the modules in an I/O Station are configured. Configuration determines certain characteristics of module operation and also determines how the I/O data exchanged with the Genius network is divided among the modules in the station.

  • Page 67: Station Racks And Slots

    PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 Station Racks and Slots Even though a VersaMax I/O Station does not have a backplane with a fixed number of slots, both the programming software and the autoconfiguration process use the conventional labels of racks and slots to uniquely identify modules in the station.

  • Page 68: Autoconfiguration Or Programmer Configuration

    PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 Autoconfiguration or Programmer Configuration The configuration for a Genius NIU and I/O Station can either be downloaded from the programming software or established by autoconfiguration. 4.2.1 Autoconfiguration Autoconfiguration is done by the NIU itself. It provides a default configuration for the NIU and I/O Station and does not require the use of a programmer.

  • Page 69: Programmer Configuration Of The Genius Niu And I/O Station

    PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 Programmer Configuration of the Genius NIU and I/O Station Programmer configuration provides greater configuration flexibility than autoconfiguration. Programmer configuration can be done using PAC Machine Edition as described in this section. It can also be done using the Remote I/O Manager configuration software as described in the Remote I/O Manager Software User’s Guide (GFK-1847).

  • Page 70: Create A New Versamax Genius Target

    PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 Configure the type of expansion racks that are used(non-expanded, • single-ended expanded, or multi-rack expanded). This automatically adds the appropriate types of expansion transmitter modules to the main rack. An icon for the expansion transmitter does not appear under the main rack.

  • Page 71: Configure The Type Of Expansion Racks

    PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 4.3.4 Configure the Type of Expansion Racks There are two ways to connect expansion racks to the NIU. Multiple Expansion Racks: When an I/O Station will contain more than one expansion rack, you must attach an Expansion Transmitter Module (IC200BTM001) to the NIU as shown in the figure below.
  • Page 72 PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 Single Expansion Rack: When an I/O Station will contain just one expansion rack, you are not required to attach an Expansion Transmitter Module (IC200BTM001) to the NIU. Instead, you may attach the...

  • Page 73: Adding Expansion Racks

    PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 4.3.5 Adding Expansion Racks When you add an expansion rack, the rack icon appears in the Navigator window. Initially, there is no Power Supply or Expansion module for the rack.

  • Page 74: Configure The Genius Niu

    PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 4.3.7 Configure the Genius NIU NIU configuration establishes the basic operating characteristics of the Network Interface Unit. Double-click or right-click on the Rack 0 Slot 0 icon in the Navigator window to configure the Genius NIU.
  • Page 75 PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 If the station is used in the safety-relevant portion of a GMR system, the NIU’s Enhanced Diagnostics Mode parameter must be set to enabled. When the NIU’s Enhanced Diagnostics Mode parameter is set to enable: 1.
  • Page 76 PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 Data Rate (bps): Data transmission rate (in bits per second) for PC to NIU serial communications via the NIU’s expansion port. The default is 19200. Choices are 4800, 9600, 19200. When a programmer is first connected to a fresh GNIU, the NIU uses the default communications settings: 19,200 baud, odd parity, one start bit, one stop bit, and eight data bits.
  • Page 77 PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 Baud Rate: Genius bus communications can occur at any of four baud rates: 153.6 Kbaud standards, 153.6 Kbaud extended, 76.8 Kbaud, or 38.4 Kbaud. The default is 153.6 K baud standard. The Genius I/O System User's Manual gives guidelines for baud rate selection.
  • Page 78 PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 other words, whenever the controller at SBA 31 is online, it controls the NIU’s outputs. Duplex: When configured for Duplex mode, the NIU recognizes the Genius Bus Controllers at Serial Bus Address 31 and 30. When in this mode, the NIU compares the output values received from SBA 31 and SBA 30.

  • Page 79: Configuring I/O References

    PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 Config Protect: Currently, the NIU’s config protection setting cannot be changed by the programmer. 4.3.8 Configuring I/O References As I/O modules are added to the configuration, the programming software keeps a running total of input/output memory.

  • Page 80: Configuring Carriers And Modules

    PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 4.3.9 Configuring Carriers and Modules For each module in the station, first, configure a carrier base. To do this, right-click on the slot or module icon in the Navigator. Select Add Carrier Base to add a carrier after the current location or Insert Carrier Base to insert a carrier before the current location.

  • Page 81: Programmer Configuration: Download, Upload, Verify, Clear

    PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 Configuration parameters of I/O modules are described in the VersaMax Modules, Power Supplies, and Carriers User’s Manual (GFK-1504) or the module datasheets. 4.3.10 Programmer Configuration: Download, Upload, Verify, Clear The programming software runs on a personal computer.
  • Page 82 PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 The programming software has a set of serial communications parameters. These parameters must match the ones that the Genius NIU is using (see the description for Data Rate in Section 4.3.7).
  • Page 83 PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 Uploading a Configuration from the NIU to the Programmer If desired, you may use the upload command to retrieve the configuration from the Genius NIU. From the Target menu, select Upload Remote I/O Configuration.

  • Page 84: Autoconfiguration Of The Genius Niu And I/O Station

    PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 Autoconfiguration of the Genius NIU and I/O Station Autoconfiguration is done by the NIU itself. It provides a default configuration for the NIU and I/O Station and does not require the use of a programmer.

  • Page 85: Autoconfiguration Assigns Reference Addresses

    PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 4.4.2 Autoconfiguration Assigns Reference Addresses The NIU stores I/O data internally as discrete input bits, discrete output bits, analog input words, and analog output words. Figure 58: NIU Data Memory Definitions During autoconfiguration, the NIU automatically assigns reference addresses to the modules.

  • Page 86: Hot Inserting, I/O Modules

    PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 4.4.5 Hot Inserting, I/O Modules You may hot remove and hot insert I/O modules in an autoconfigured I/O Station, as long as the module being inserted has the same I/O type and size as the module that was removed.

  • Page 87: How Autoconfiguration Handles Equipment Changes

    PACSystems VersaMax Genius Network Interface User Manual Section 4 GFK-1535D Jan 2023 4.4.7 How Autoconfiguration Handles Equipment Changes At power-up, previously-autoconfigured modules are not removed from the NIU’s configuration unless no modules are connected to the NIU. Module Present But Non-Working During Autoconfiguration: If a module is physically present but not working during autoconfiguration, the module is not configured.

  • Page 88: Datagrams

    PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 Section 5: Datagrams This section lists datagrams that can be sent to or from a Genius Network Interface Unit and shows the datagrams for VersaMax modules that are different from the formats used by other modules.

  • Page 89: Datagram Types

    PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 Datagram Types The table below shows the primary datagrams that may be acted upon by the NIU. Datagram Type Subfunction Network Interface Unit Code Action (hexadecimal) Read Identification...

  • Page 90: Read Map Reply

    PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 Read Map Reply Subfunction Code: 2B hex An NIU sends this reply datagram after receiving a Read Map datagram. It contains the previously configured NIU network map addresses. The network map defines the NIU memory locations of the data that is exchanged on the Genius bus.

  • Page 91: Report Fault Datagram Format

    PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 Report Fault Datagram Format The format of Report Fault datagrams sent by an NIU is shown below. PACSystems RX7i controllers, Series 90-70 PLCs, and VersaMax PLCs interpret this information automatically; no datagram programming is required.
  • Page 92 PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 Fault Byte 2 Figure 60: Fault Byte 2 Fault Byte 3 Figure 61: Fault Byte 3 Fault Bytes 4 and 5 Fault bytes 4 and 5 (bytes 3 and 4 of the datagram) identify the reference offset (within the NIU itself) assigned to the faulted module.

  • Page 93: Configuration Data

    PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 Fault Bytes 6 and 7 Fault bytes 6 and 7 (datagram bytes 5 and 6) are automatically interpreted by PACSystems RX7i controllers, Series 90-70 PLCs, and. They are not relevant to other types of hosts.

  • Page 94: Read Configuration Data

    PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 5.5.1 Read Configuration Data Subfunction Code: 02 hex The Read Configuration Datagram is used to read configuration data from the NIU. Read Configuration Data Format Byte # Description Rack Number (0,…, 7)

  • Page 95: Write Configuration Data

    PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 5.5.3 Write Configuration Data Subfunction Code: 04 hex The Write Configuration datagram is used to send configuration data for the NIU or a module in the I/O Station.

  • Page 96: Configuration Data Formats

    PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 Write Configuration Data Format Byte # Description Rack Number (0,…, 7) Length of this message (must match the length for the specific device whose configuration will be written.) Slot (0,…, 9.
  • Page 97 PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 (Byte in (Byte in Byte Description Message) Record) first I/O module slot carrier type: 0 = none 5 = IC200CHS001 10 = IC200CHS002 15 = IC200CHS005 20 = IC200CHS010...
  • Page 98 PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 (Byte in (Byte in Byte Description Message) Record) 82, 83 24, 25 Additional Length (00, 00) The “bytes in message offsets” are shown for configuration data included in a Read Configuration Data Reply datagram. For inclusion in a Write Configuration Data datagram, each offset is increased by one.
  • Page 99 PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 Figure 64: Bytes 16, 17, and 58 * GMR mode cannot be enabled via a Write Configuration datagram. Expansion Receiver Module Format (Rack 1-7, slot 1) (Byte in...
  • Page 100 PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 I/O Module Configuration Data Format Configuration data for I/O modules follow the same format for all non- intelligent I/O modules, analog or discrete, input, output, or mixed. The...
  • Page 101 PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 (Byte in (Byte in Byte Description Message) Record) 46, 47 14, 15 Module setup, a bitmapped word bit 0 indicates whether defaults are defined in the configuration structure. If this bit is ‘1’, then input segments mode, output segments mode, default input values, and default output values fields are included below.
  • Page 102 PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 Reference Description Field (Byte in (Byte in Byte Description Message) field) varies The sequence number is an arbitrary value that controls the order in which segments are reported.
  • Page 103 PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 NON-INTELLIGENT I/O Board_id REGISTER Figure 65: Non-intelligent I/O Bytes 0 and 1 Bytes Byte Description Module Type 00 = Discrete DC module 8, 9 01 = Discrete AC module...
  • Page 104 PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 ANALOG MODULE-DEPENDENT DATA Byte Definition Byte Description BiPolar 0 = Unipolar 1 = Bipolar Example: Configuration message for IC200MDD844 The following example shows the Read Configuration Data Reply datagram for a mixed discrete I/O module, the IC200MDD844.
  • Page 105 PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 (Byte in (Byte in Content Byte Description Message) Record) 36, 37 4, 5 48, 0 offset from the start of fixed I/O configuration fields to module-specific data. The length of module-specific data is given at offset 18 below.
  • Page 106 PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 (Byte in (Byte in Content Byte Description Message) Record) Fixed I/O configuratio n fields 32, 33 0, 1 0x80, secondary board ID (same as above.) 0x08 (e.g., discrete DC type, no diagnostic bits, no outputs,...
  • Page 107 PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 (Byte in (Byte in Content Byte Description Message) Record) 62, 63 30, 31 44, 0 Offset to defaults (e.g., see offset 44 below) Output segments list, an eight-byte reference description field for each discrete or analog output segment.
  • Page 108 PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 0, 0 Input segments mode, a bitmapped word with a bit representing each reference description in the input segments list. If the bit is ‘1’, then inputs hold the last state.
  • Page 109 PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 Example: Configuration Message for IC200ALG265 The configuration data format of the 15-channel analog voltage module is shown below. By specifying an offset, as listed in the left column, and a length in bytes, any portion of the configuration data can be read or written.
  • Page 110 PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 Offset (Byte Byte description 74, 75 Default input for analog channel #8 76, 77 Default input for analog channel #9 78, 79 Default input for analog channel #10...

  • Page 111: Set Niu Operating Mode

    PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 Offset (Byte #) Byte description 46,.., 49 Must be 00h Reference ID Reference memory type (must be 10 for %AI) 52, 53 Starting offset for the module’s analog input table(Offset in bytes)
  • Page 112 PACSystems VersaMax Genius Network Interface User Manual Section 5 GFK-1535D Jan 2023 Figure 66: NIU Operating Mode Bytes Configuration...

  • Page 113: Redundancy

    PACSystems VersaMax Genius Network Interface User Manual Section 6 GFK-1535D Jan 2023 Section 6: Redundancy Most systems use only one host controller and one Genius Bus Controller to control the I/O attached to a particular Genius bus. For critical applications, a variety of Genius Redundancy configurations are available to protect against various types of failure modes.

  • Page 114: Hot Standby Cpu Redundancy

    PACSystems VersaMax Genius Network Interface User Manual Section 6 GFK-1535D Jan 2023 6.1.1 Hot Standby CPU Redundancy When configured for Hot Standby mode, the NIU recognizes the Genius Bus Controllers at Serial Bus Addresses 31 and 30. In this mode, the NIU’s outputs are usually controlled by SBA 31.

  • Page 115: Using The Niu In A Genius Bus Redundancy System

    PACSystems VersaMax Genius Network Interface User Manual Section 6 GFK-1535D Jan 2023 Using the NIU in a Genius Bus Redundancy System In Genius bus redundancy, there are two bus cables each connected to a host PLC or computer. I/O devices such as the NIU may be connected to either one bus of the pair, or both.

  • Page 116: Redundant Bus Configurations

    PACSystems VersaMax Genius Network Interface User Manual Section 6 GFK-1535D Jan 2023 6.2.1 Redundant Bus Configurations Many different redundant bus configurations are possible. Three basic ways of using an NIU with a redundant bus are described below. An NIU can be installed directly on both cables of the dual bus •...
  • Page 117 PACSystems VersaMax Genius Network Interface User Manual Section 6 GFK-1535D Jan 2023 An NIU can be located on a bus stub. A Network Interface Unit can • also be located on a bus stub, which is a short length of unterminated cable downstream of another type of bus switching device, such as a Genius I/O block/Bus Switching Module combination.

  • Page 118: Appendix A: Operation Of The Genius Bus

    PACSystems VersaMax Genius Network Interface User Manual Appendix A GFK-1535D Jan 2023 Appendix A: Operation of the Genius Bus This section describes the characteristics of the bus that links Genius devices. This information supplements Chapter 2 of the Genius I/O System and Communications Manual (GEK-90486-1) “The Communications Bus”.
  • Page 119 PACSystems VersaMax Genius Network Interface User Manual Appendix A GFK-1535D Jan 2023 Signal coupling to the bus is via a high frequency, high isolation pulse transformer. The pulse waveforms are bipolar to reduce DC baseline offsets in the waveform. The daisy-chained bus is shown on the left above. The SER 1 and SER 2 lines are tapped at the intermediate locations along the bus.

  • Page 120: Serial Bus Waveforms

    PACSystems VersaMax Genius Network Interface User Manual Appendix A GFK-1535D Jan 2023 Serial Bus Waveforms The actual waveforms seen on the cable depend on the cable impedance and the distance from the station presently transmitting. A data “0” is a series of three AC pulses, while a “1”...

  • Page 121: Maximum Bus Length

    PACSystems VersaMax Genius Network Interface User Manual Appendix A GFK-1535D Jan 2023 the baud frequency. These cause no problem if they do not cause a violation of the amplitude criteria of the previous paragraphs. The Serial 1 and Serial 2 lines should always have a termination resistor equal to the characteristic impedance of the cable connected at each end.
  • Page 122 PACSystems VersaMax Genius Network Interface User Manual Appendix A GFK-1535D Jan 2023 Note the first and last half-cycle look wider. The most critical to operation is the first full cycle of the first start bit of the transmission. Detection of this pulse establishes the time synchronization of the receiver to the incoming waveform.

  • Page 123: A-3.3 Propagation Delay

    PACSystems VersaMax Genius Network Interface User Manual Appendix A GFK-1535D Jan 2023 A-3.3 Propagation Delay The propagation delay is caused by the travel time of the signal down the cable. Typical signal velocity in data-grade cables is around 65- 78% of the speed of light.
  • Page 124 PACSystems VersaMax Genius Network Interface User Manual Appendix A GFK-1535D Jan 2023 this skip time delay. A bus “collision” (two sources transmitting simultaneously) results if this sequence is missed. The skip time is equal to a one-bit period, except at the 153.6e rate, where it is two-bit periods long.

  • Page 125: Genius Transceiver Electrical Specification

    PACSystems VersaMax Genius Network Interface User Manual Appendix A GFK-1535D Jan 2023 Genius Transceiver Electrical Specification Property Normal peak voltage Vp into 78 ohms terminated cable 3.5 volts 5.5 volts Normal peak voltage Vp into 150 ohms terminated cable 6.0 volts 9.5 volts...

  • Page 126: Appendix B: Performance Data

    PACSystems VersaMax Genius Network Interface User Manual Appendix B GFK-1535D Jan 2023 Appendix B: Performance Data This section lists approximate scan times in microseconds for modules in a VersaMax Genius NIU I/O Station. Each module was configured with its default settings and user power was applied when applicable. This information is provided as a guideline for determining I/O scanning times.
  • Page 127 PACSystems VersaMax Genius Network Interface User Manual Appendix B GFK-1535D Jan 2023 Module Description Main Rack Expansion Rack Catalog Non- Extended Number isolated Isolated IC200MDD842 Mixed 16 Point Grouped Input 24VDC Pos/Neg 1848 Logic / 16 Pt Grouped Output 24VDC Pos. Logic 0.5A w/ESCP...
  • Page 128 PACSystems VersaMax Genius Network Interface User Manual Appendix B GFK-1535D Jan 2023 Module Description Main Rack Expansion Rack Catalog Non- Extended Number isolated Isolated IC200MDL730 Output 24VDC Positive Logic 2.0A per Point (1 1461 Group of 8) with ESCP 8 Point Module IC200MDL740 Output 24VDC Positive Logic 0.5A per Point (1...

  • Page 129: General Contact Information

    Emerson reserves the right to modify or improve the designs or specifications of the products mentioned in this manual at any time without notice. Emerson does not assume responsibility for the selection, use, or maintenance of any product. Responsibility for the proper selection, use, and maintenance of any Emerson product remains solely with the purchaser.

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