Table of Contents
Installation Instructions
1769-L20, 1769-L30 CompactLogix™ Controllers
(Cat. No. 1769-L20, 1769-L30)
Inside...
Before You Begin .................................................................................... 2
For More Information.............................................................................. 2
European Communities (EC) Directive Compliance ................................ 4
Hazardous Location Considerations ....................................................... 5
CompactLogix Controller Description ..................................................... 6
System Planning ..................................................................................... 6
Install the Controller ............................................................................... 7
Connect the Battery ................................................................................ 8
Assemble the System ............................................................................. 9
Mount the System ................................................................................ 10
Grounding Considerations .................................................................... 12
Select the Controller's Operating Mode ............................................... 12
RS-232 Connections to the Controller .................................................. 13
Default Communication Configuration ................................................. 14
Using the Channel 0 Default Communication Push Button .................. 15
Troubleshoot the Controller Using the LEDs......................................... 16
Flash Upgrade the Controller Firmware................................................ 17
Specifications ....................................................................................... 18
Dimensions ........................................................................................... 19
Battery Handling, Storing, and Transporting ........................................ 20
Table of Contents
Related Manuals for Allen-Bradley CompactLogix 1769-L20
Summary of Contents for Allen-Bradley CompactLogix 1769-L20
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Page 1: Table Of Contents
Installation Instructions 1769-L20, 1769-L30 CompactLogix™ Controllers (Cat. No. 1769-L20, 1769-L30) Inside... Before You Begin ..................2 For More Information................2 European Communities (EC) Directive Compliance ........ 4 Hazardous Location Considerations ............5 CompactLogix Controller Description ............. 6 System Planning ..................6 Install the Controller ................ -
Page 2: Before You Begin
1769-L20, 1769-L30 CompactLogix™ Controllers Before You Begin Use this document as a guide for installing and powering-up your 1769-L20, -L30 CompactLogix controller system. You should already be familiar with the CompactLogix system components. You must FLASH upgrade the firmware on your CompactLogix controller before you can use it. - Page 3 Rockwell Automation does not assume responsibility or liability (to include intellectual property liability) for actual use based upon the examples shown in this publication. Allen-Bradley publication SGI-1.1, Safety Guidelines for the Application, Installation and Maintenance of Solid-State Control (available from your local Rockwell Automation office), describes some important differences between solid-state equipment and electromechanical devices that should be taken into consideration when applying products such as those described in this publication.
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Page 4: European Communities (Ec) Directive Compliance
Equipment Requirements and Tests. For specific information required by EN 61131-2, see the appropriate sections in this publication, as well as the Allen-Bradley publication Industrial Automation Wiring and Grounding Guidelines For Noise Immunity, publication 1770-4.1. and the Automation Systems Catalog, publication B111. -
Page 5: Hazardous Location Considerations
1769-L20, 1769-L30 CompactLogix™ Controllers Hazardous Location Considerations This equipment is suitable for use in Class I, Division 2, Groups A, B, C, D or non-hazardous locations only. The following WARNING statement applies to use in hazardous locations. EXPLOSION HAZARD WARNING ·... -
Page 6: Compactlogix Controller Description
1769-L20, 1769-L30 CompactLogix™ Controllers CompactLogix Controller Description 1769-L20 controller 1769-L30 controller DIN rail latch Channel 0 RS-232 Port panel mounting tab Channel 0 default communication push button tongue and groove slots Channel 1 RS-232 Port stationary bus connector Channel 1 RS-232 Port Status LED status LEDs battery door key switch... -
Page 7: Install The Controller
1769-L20, 1769-L30 CompactLogix™ Controllers Install the Controller The 1769-L20 and 1769-L30 controllers are suitable for use in an industrial environment when installed in accordance with these instructions. Specifically, this equipment is intended for use in clean, dry environments (Pollution Degree 2 and with circuits not exceeding Over Voltage Category II (IEC 60664-1). -
Page 8: Connect The Battery
1769-L20, 1769-L30 CompactLogix™ Controllers Connect the Battery Do not connect or disconnect the battery unless the ATTENTION environment is known to be non-hazardous. The controller is shipped with the battery packed separately. To connect the battery, follow the procedure shown below. 1. -
Page 9: Assemble The System
1769-L20, 1769-L30 CompactLogix™ Controllers Assemble the System The controller can be attached to an adjacent I/O module or power supply before or after mounting. For mounting instructions, see “Panel Mounting” on page 10, or “DIN Rail Mounting” on page 11. 1. -
Page 10: Mount The System
1769-L20, 1769-L30 CompactLogix™ Controllers Mount the System During panel or DIN rail mounting of all devices, be sure that ATTENTION all debris (metal chips, wire strands, etc.) is kept from falling into the controller. Debris that falls into the controller could cause damage while the controller is energized. - Page 11 1769-L20, 1769-L30 CompactLogix™ Controllers Panel Mounting Procedure Using Modules as a Template The following procedure allows you to use the assembled modules as a template for drilling holes in the panel. If you have sophisticated panel mounting equipment, you can use the dimensional template provided on page 10. Due to module mounting hole tolerance, it is important to follow these procedures: 1.
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Page 12: Grounding Considerations
DIN rail (if used), are not required unless the mounting surface cannot be grounded. Refer to Industrial Automation Wiring and Grounding Guidelines, Allen-Bradley publication 1770-4.1, for additional information. Select the Controller’s Operating Mode Use the keyswitch on the front panel of the controller to determine the controller’s operating mode. -
Page 13: Rs-232 Connections To The Controller
1769-L20, 1769-L30 CompactLogix™ Controllers RS-232 Connections to the Controller The following illustrations show which cables can be used to connect to the controller. To connect two cables to the 1769-L30 controller, you must connect the straight cable end to Channel 0. 1769-L20 controller 1769-L30 controller NOTE: The Channel 0 port is locally... -
Page 14: Default Communication Configuration
1769-L20, 1769-L30 CompactLogix™ Controllers Default Communication Configuration Channel 0 and Channel 1 (1769-L30 controller only) have the following default communication configuration. Parameter Default Protocol DF1 full-duplex Baud Rate 19.2K Parity none Station Address Control Lines no handshaking Error Detection Embedded Responses auto detect Duplicate Packet (Message) Detect enabled... -
Page 15: Using The Channel 0 Default Communication Push Button
1769-L20, 1769-L30 CompactLogix™ Controllers Using the Channel 0 Default Communication Push Button The Channel 0 Default Communication Push Button is located on the front of the controller in the lower right corner as shown in the illustration below. Use the Channel 0 Default Communication Push Button to change from the user-defined communication configuration to the default communications mode. -
Page 16: Troubleshoot The Controller Using The Leds
1769-L20, 1769-L30 CompactLogix™ Controllers Troubleshoot the Controller Using the LEDs Indicator Color/Status Description No task(s) running Controller in Program mode Green One or more tasks are running Controller is in the Run mode FORCE No forces enabled Amber Forces enabled Amber Flashing One or more input or output addresses have been forced to an On or Off state, but the forces have not been enabled... -
Page 17: Flash Upgrade The Controller Firmware
1769-L20, 1769-L30 CompactLogix™ Controllers Flash Upgrade the Controller Firmware To update the firmware of a controller, first install a firmware upgrade kit. · An upgrade kit ships on a supplemental CD along with RSLogix 5000 software. · To download an upgrade kit, go to www.ab.com. Choose Product Support. Choose Firmware Updates. -
Page 18: Specifications
1769-L20, 1769-L30 CompactLogix™ Controllers Specifications Description 1769-L20 controller 1769-L30 controller Communication Ports (1) RS-232 (2) RS-232 User Memory 64K bytes 256K bytes Maximum number of I/O modules 8 I/O modules 16 I/O modules supported Maximum number of I/O banks supported 2 banks 3 banks Backplane Current... -
Page 19: Dimensions
1769-L20, 1769-L30 CompactLogix™ Controllers Dimensions CompactLogix Controller FORCE FORCE BATT DCH0 BATT DCH0 CompactLogix CompactLogix PROG PROG NOTE: All dimensions are in mm (in.). 1769-L20 controller 1769-L30 controller Hole spacing tolerance: ±0.4 mm (0.016 in.) Height (A) 118 mm (4.649 in.) Width (B) 50 mm (1.97 in.) Depth (C) -
Page 20: Battery Handling, Storing, And Transporting
1769-L20, 1769-L30 CompactLogix™ Controllers Battery Handling, Storing, and Transporting (Cat. No. 1747-BA; containing Sanyo CR14250SE battery cell) Handling Do not charge the batteries. An explosion could result or the ATTENTION cells could overheat causing burns. Do not open, puncture, crush, or otherwise mutilate the batteries. An explosion may result and/or toxic, corrosive, and flammable liquids would be exposed. -
Page 21: Publication 1769-In047C-En-P - April
1769-L20, 1769-L30 CompactLogix™ Controllers Do not incinerate or dispose of lithium batteries in general ATTENTION trash collection. Explosion or violent rupture is possible. Batteries should be collected for disposal in a manner to prevent against short circuiting, compacting, or destruction of case integrity and hermetic seal. - Page 22 1769-L20, 1769-L30 CompactLogix™ Controllers Notes: Publication 1769-IN047C-EN-P - April 2003...
- Page 23 1769-L20, 1769-L30 CompactLogix™ Controllers Notes: Publication 1769-IN047C-EN-P - April 2003...
- Page 24 Notes: CompactLogix and RSLogix 5000 are trademarks of Rockwell Automation. Publication 1769-IN047C-EN-P - April 2003 PN 957782-12 Supersedes Publication 1769-IN047B-EN-P - June 2001 © 2003 Rockwell International Corporation. Printed in the U.S.A.