Related Manuals for GE iSTAT I4 Series
Summary of Contents for GE iSTAT I4 Series
- Page 1 Grid Solutions iSTAT I4X Communications Converter Manual Publication reference: I4X/EN/CO/D...
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Page 3: Table Of Contents
Service Manual I4X/EN CO/D ISTAT I4X Page 1 CONTENT SAFETY SECTION Health and Safety Explanation of symbols and labels INSTALLING, COMMISSIONING AND SERVICING EQUIPMENT OPERATING CONDITIONS Current transformer circuits External resistors Battery Replacement Insulation and dielectric strength testing Insertion of modules and pcb cards Fibre optic communication OLDER PRODUCTS DECOMMISSIONING AND DISPOSAL... - Page 4 Service Manual I4X/EN CO/D ISTAT I4X Page 2 9.5.1 QDSP setting software 9.5.2 Internet Browser TROUBLE SHOOTING 10.1 EIA (RS)232 to EIA (RS)485 10.2 Ethernet to EIA (RS)232 or EIA (RS)485 TECHNICAL DATA 11.1 EIA (RS)232 communications 11.2 EIA (RS)485 communications 11.3 Ethernet communications 11.4...
- Page 5 The electronic circuits of GE Grid Solutions products are immune to the relevant levels of electrostatic discharge when housed in their cases. Do not expose them to the risk of damage by withdrawing modules unnecessarily.
- Page 6 Service Manual 400/EN M/F Page 2 iSTAT...
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Page 8: Safety Section
Service Manual I4X/EN CO/D ISTAT I4X Page 4 SAFETY SECTION This Safety Section should be read before commencing any work on the equipment. Health and Safety The information in the Safety Section of the product documentation is intended to ensure that products are properly installed and handled in order to maintain them in a safe condition. -
Page 9: Installing, Commissioning And Servicing
Service Manual I4X/EN CO/D ISTAT I4X Page 5 INSTALLING, COMMISSIONING AND SERVICING Equipment connections Personnel undertaking installation, commissioning or servicing work on this equipment should be aware of the correct working procedures to ensure safety. The product documentation should be consulted before installing, commissioning or servicing the equipment. -
Page 10: Equipment Operating Conditions
Service Manual I4X/EN CO/D ISTAT I4X Page 6 EQUIPMENT OPERATING CONDITIONS The equipment should be operated within the specified electrical and environmental limits. Current transformer circuits Do not open the secondary circuit of a live CT since the high level voltage produced may be lethal to personnel and could damage insulation. -
Page 11: Older Products
Service Manual I4X/EN CO/D ISTAT I4X Page 7 OLDER PRODUCTS Electrical adjustments Equipment’s that require direct physical adjustments to their operating mechanism to change current or voltage settings should have the electrical power removed before making the change, to avoid any risk of electrical shock. Mechanical adjustments The electrical power to the relay contacts should be removed before checking any mechanical settings, to avoid any risk of electric shock. -
Page 12: Decommissioning And Disposal
Service Manual I4X/EN CO/D ISTAT I4X Page 8 DECOMMISSIONING AND DISPOSAL Decommissioning: The auxiliary supply circuit in the relay may include capacitors across the supply or to earth. To avoid electric shock or energy hazards, after completely isolating the supplies to the relay (both poles of any dc supply), the capacitors should be safely discharged via the external terminals prior to decommissioning. -
Page 13: Technical Specifications
Service Manual I4X/EN CO/D ISTAT I4X Page 9 TECHNICAL SPECIFICATIONS Protective fuse rating The recommended maximum rating of the external protective fuse for this equipment is 16A, Red Spot type or equivalent, unless otherwise stated in the technical data section of the product documentation. - Page 14 Service Manual I4X/EN CO/D ISTAT I4X Page 10 BLANK PAGE...
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Page 15: Introduction
Service Manual I4X/EN CO/D ISTAT I4X Page 11 INTRODUCTION General The iSTAT I4X is a range of communications Interfaces were primarily designed for use with communicating ISTAT Measurement Transducers or Measurement Centres, but can be used with other communicating devices, i.e. Micom Relays. There are three different versions of the I4X, these convert the following signals: EIA (RS)232 to EIA (RS)485 (2-wire) Ethernet to EIA (RS)232... -
Page 16: Connection Modes
Service Manual I4X/EN CO/D ISTAT I4X Page 12 CONNECTION MODES EIA (RS)232 to EIA (RS)485 There are three groups of terminals on the I4X; the auxiliary voltage, the RS232 port and the RS485 port. These are shown in the table below: Auxiliary supply RS232 RS485... -
Page 17: Status Indication: Ethernet
Service Manual I4X/EN CO/D ISTAT I4X Page 13/22 Status Indication: Ethernet When used with an Ethernet connection, LED’s on the RJ45 plug will indicate the presence of Ethernet activity. When the network is active the left hand LED will be continuously lit or blinking for a 10Mb/s connection or activity and the right hand LED for 100Mb/s connection or activity. -
Page 18: Communication Settings
Service Manual I4X/EN CO/D ISTAT I4X Page 14/22 COMMUNICATION SETTINGS EIA (RS)232 to EIA (RS)485 The I4X RS232 to RS485 communications interface does not require any settings for its operation. However for correct operation when using RS485 the devices that are connected to the I4X will have to be correctly addressed. -
Page 19: Programming I4X Settings Using Qdsp And Web Browser
Devices and it can also be used to programme the IP address for the Ethernet interface of an I4X. The software is available free-of-charge from the GE Grid Solutions website. The separate QDSP manual includes the details of how to install the QDSP software on a PC and how to program the PC’s Ethernet port to allow QDSP to interface to an external... - Page 20 Service Manual I4X/EN CO/D ISTAT I4X Page 16/22 9.5.2.1 Serial settings In the ‘Serial Settings’ window, only adjust the Baud Rate, Data Bits, Parity and Stop Bits, these should be set to the same as the serial devices which are connected to the RS232 or RS485 port.
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Page 21
Service Manual I4X/EN CO/D ISTAT I4X Page 17 9.5.2.2 Connection On the ‘Connections Settings’ window only the ‘Local Port’ setting may need to be changed, this will depend on the system the I4X is being used in. If the I4X communications interface is to be used in conjunction with a Com Port redirector program, the local port should be selected within the range 14000 to 14010, When setting changes are complete click
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Page 22: Trouble Shooting
Service Manual I4X/EN CO/D ISTAT I4X Page 18 TROUBLE SHOOTING 10.1 EIA (RS)232 to EIA (RS)485 If communication with the serial communicating device cannot be established, check for the following: • Is the I4X connected to a power supply, check that the POWER LED is lit? •... -
Page 23: Technical Data
Service Manual I4X/EN CO/D ISTAT I4X Page 19 TECHNICAL DATA 11.1 EIA (RS)232 communications Connection type Point to point Signal level EIA (RS)232 Maximum cable length Connector Screw terminal Isolation 3.7kVrms for 1 minute between all terminals and all other circuit Transmission mode Asynchronous Data rate... -
Page 24: Electrical Environment
Service Manual I4X/EN CO/D ISTAT I4X Page 20 11.5 Electrical Environment High frequency disturbance IEC 60255-22-1: 1988 Class II and Class 2.5kV peak applied between all circuits and earth 1kV peak applied between the communication port and earth. 1kV peak applied across the terminals of all circuits Fast transient disturbance IEC 61000-4-4: 1995 Level IV... -
Page 25: Environmental Withstand
Service Manual I4X/EN CO/D ISTAT I4X Page 21 Product Safety 73/23/EEC & 2006/95/EC Compliance with European Commission Low Voltage Directive EN 61010-1: 2002 Safety requirements for electrical equipment for measurement, control and laboratory use, Part 1: General requirements. Compliance is demonstrated by reference to generic safety standards. - Page 26 Imagination at work Grid Solutions St Leonards Building Redhill Business Park Stafford, ST16 1WT, UK +44 (0) 1785 250 070 www.gegridsolutions.com/contact © 2020 General Electric Company Corporation. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances.