Table of Contents GEM80-400
Page xiv
ALSPA
GEM80-400 SERIES CONTROLLERS TECHNICAL MANUAL Issue 3 04/99
4.2.3. Configuring the Serial Ports .................................................................................4-4
4.3. Serial Link Communication System..............................................................................4-5
4.3.1. Point-to-Point Serial Link.......................................................................................4-5
4.3.2. Multi-drop Serial Link.............................................................................................4-6
4.3.3. Serial Links Cabling and Connection..................................................................4-8
4.3.4. Using the Printer/Programming Port ...................................................................4-8
4.3.5. Printer/Programming Port (Port 3) Connections................................................4-9
4.4. Communication with a Printer, VDU or Suitable GEM 80 Programming Tool .......4-10
4.4.1. Specification.......................................................................................................4-10
4.4.1.1. Application.................................................................................................4-10
4.4.1.2. Characteristics...........................................................................................4-10
4.4.1.3. Capacity....................................................................................................4-10
4.4.1.4. Setting up a Printer/Keyboard Port.......................................................... 4-10
4.4.2. Operation of a Printer/Keyboard Port..............................................................4-11
4.4.2.1. Direct Mode...............................................................................................4-11
4.4.2.2. Terminal Mode...........................................................................................4-11
4.4.2.3. Free Format Mode.....................................................................................4-13
4.4.3. Operation of Printer/Terminal Buffer Store .......................................................4-13
4.4.4. Alphanumeric Input...........................................................................................4-14
4.4.5. Alphanumeric Output........................................................................................4-14
4.4.6. Editing Alphanumeric Output Messages ......................................................... 4-14
4.4.6.1. Printer Port Messages ................................................................................4-14
4.4.6.2. Using the Editor..........................................................................................4-15
4.4.6.3. Errors............................................................................................................4-17
4.5. Serial Communication Between Two or More GEM 80 Controllers (ESP Protocol)4-17
4.5.1. Operation as an ESP Tributary Port...................................................................4-18
4.5.1.1. Free-Running Mode...................................................................................4-18
4.5.1.2. User-Control Mode ....................................................................................4-18
4.5.2. Operation as an ESP Control Port.....................................................................4-18
4.5.2.1. Configuring Ports 1 and 2 as an ESP Control Port...................................4-22
4.5.3. J- and K-Tables for an ESP Control Port with Flexible Data Tables .................4-22
4.5.4. Operation as a Control Port..............................................................................4-23
4.5.4.1. Free-Running Mode...................................................................................4-23
4.5.4.2. User-Control Mode ....................................................................................4-23
4.5.4.3. Extended Time-out Option .......................................................................4-24
4.5.4.4. Broadcast Message Facility......................................................................4-24
4.6. GEMSTART CCU (Contactor Control Unit) ................................................................4-25
4.6.1. Introduction........................................................................................................4-25
4.6.2. P-Tables...............................................................................................................4-26
4.6.3. J/K-Tables............................................................................................................4-27
4.6.4. I-Tables ................................................................................................................4-27
4.6.5. User Specified Tables .........................................................................................4-27
4.6.6. F-Tables................................................................................................................4-28
4.7. Remote Programming................................................................................................4-28
4.8. Termination of Serial Links...........................................................................................4-28
4.9. Maximum Length of Serial Links.................................................................................4-28
4.10. Cable Connection Details .......................................................................................4-29
4.10.1. Cable.................................................................................................................4-29
4.10.2. Connectors.......................................................................................................4-29
4.10.3. Segregation......................................................................................................4-29
4.11. STARNET......................................................................................................................4-29
4.11.1. Introduction ......................................................................................................4-29
4.12. FIP Networks...............................................................................................................4-30
5. Central Highway Modules ....................................................................................................5-1
5.1. Introduction...................................................................................................................5-1
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