Table of Contents GEM80-400
Page xviii
ALSPA
GEM80-400 SERIES CONTROLLERS TECHNICAL MANUAL Issue 3 04/99
9.19.2. Connector/Termination Problems...................................................................9-27
9.19.3. Overheating .....................................................................................................9-28
9.20. Firmware Update......................................................................................................9-28
9.21. Repairs to GEM 80 Equipment .................................................................................9-28
9.22. Fault Finding Back-up and Module Repair Service................................................9-28
10. Spares and Reorder Codes...............................................................................................10-1
10.1. Subracks.....................................................................................................................10-1
10.1.1. Controller Subracks..........................................................................................10-1
10.1.2. Fast I/O Subracks..............................................................................................10-1
10.1.3. I/O Subrack.......................................................................................................10-1
10.2. Modules .....................................................................................................................10-1
10.2.1. Processor Modules ...........................................................................................10-1
10.2.2. Fast I/O Modules...............................................................................................10-2
10.2.3. Basic and Verification I/O Modules................................................................10-2
10.2.4. Central Highway Modules...............................................................................10-2
10.2.5. Memory Modules .............................................................................................10-3
10.3. Optional Extras..........................................................................................................10-3
10.4. Spares.........................................................................................................................10-3
10.4.1. Replacement Battery Suppliers.......................................................................10-4
11. Watchdog and Safety Circuits..........................................................................................11-1
11.1. Introduction...............................................................................................................11-1
11.2. Safety Earth Connections......................................................................................... 11-2
11.3. Watchdog Contacts ................................................................................................11-2
11.3.1. Typical Watchdog Circuits..............................................................................11-3
11.3.2. Watchdog Contact Ratings............................................................................11-4
11.3.2.1. Circuit........................................................................................................11-4
11.3.2.2. Rating........................................................................................................11-4
11.3.2.3. Operation.................................................................................................11-5
11.3.3. Watchdog Connections..................................................................................11-5
11.4. Safety and the User Program................................................................................... 11-5
11.5. Power Up Conditions................................................................................................11-5
11.6. Power Loss, Emergency Stops, Push-buttons and Moving Machinery................. 11-6
A Ribbon Cable Connections for GEM80 ...............................................................................A-1
A1. Ribbon Cable Sizes....................................................................................................... A-1
A2. Ribbon Cable Connectors.......................................................................................... A-1
A3. Ribbon Cable Accessories .......................................................................................... A-1
A4. Special Tools/Equipment Required for Ribbon Cable/Connector Assembly ........ A-1
A5. Ribbon Cable Installation............................................................................................ A-2
A5.1. Mechanical Polarisation ..................................................................................... A-2
A5.2. Termination Using Cable End Connectors ........................................................ A-2
A.5.3. Terminating Middle Connectors........................................................................ A-6
A.5.4. Right Angled Bends in Cable ............................................................................ A-7
A.5.5. Fitting Ribbon Cable Label................................................................................ A-8
Index