User`s guide

Copyright © 2004 EIM COMPANY, INC. • 13840 PIKE ROAD • MISSOURI CITY, TX. 77489
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Controlinc 1746-C (Version 5.21) Network Master Users Guide (2004-11-18)
4.1.2. Diagram Describing Network Scanning & Actuator Writing Logic........................ 17
4.1.3. Diagram Demonstrating Adding Additional Valves in Valve Scan Time-Slice...... 18
4.1.4. Diagram Describing Relationship Between Scan Period & Diagnostic Scan....... 19
4.1.5. 1746-C System Operations at Power Up............................................................. 20
4.2. Network Interface (Scan) Time-Slice (1746-C ↔ Network Communication) 21
4.2.1. Operation: Network Scanning to Gather Valve Actuator Data ............................ 21
4.2.2. Operation: The Network Communication Diagnostic Scan................................. 22
4.3. PLC Interface Time-Slice (1746-C ↔ PLC Communication).......................... 24
4.3.1. Operation: PLC (Write Data Tables To) or (Read Tables From) the 1746-C...... 26
4.3.2. Operation: PLC Commands to Write Data to the Actuators................................ 29
4.3.3. RLL Example … Manually Send New Table … Auto Read Response ................ 31
5. System Tables..............................................................................................33
5.1. Table Arrangement...............................................................................................35
5.2. Standard Header Format (All Tables) … Words [0  3] ................................37
5.2.1. Word [0]: Table ID............................................................................................. 37
5.2.2. Word [1]: Read / Write Command Indicator ...................................................... 37
5.2.3. Word [2]: Reserved / Firmware ID..................................................................... 37
5.2.4. Word [3]: Emergency Shut Down (ESD) Command Word & Indication ............ 38
5.3. Table [0] … System Information Table.............................................................. 39
5.3.1. Table [0] Overview............................................................................................... 39
5.3.2. Table [0] Configuration Words … Words [4 17]................................................ 42
5.3.3. Table [0] Run-Time Information Words … Words [47 63] ................................ 47
5.3.4. Table [0] … RSLOGIX-500 Examples ................................................................. 48
5.3.4.1. Example RSLOGIX-500 Screen: ..........................................................................48
5.3.4.2. Table [0] … The Configuration Values (RSLOGIX-500). .....................................49
5.3.4.3. Table [0] … The Configuration Values – Writing Table [0] (RSLOGIX-500) ........50
5.3.4.4. Table [0] … The Run-Time Feedback Values From 1746-C (RSLOGIX-500).....51
5.4. Tables [1  20] … Actuator Information Tables.............................................. 52
5.4.1. Table [1]: Communication Error Status............................................................... 52
5.4.2. Table [2]: Actuator Operational Status................................................................ 54
5.4.3. Table [3]: Discrete Control Mode (Open/Close/Stop) .........................................56
5.4.4. Table [4]: Valve Position Indication … 0 – 100.0% ............................................. 58
5.4.5. Table [5]: Valve Position Setpoint … 0 – 4095 ...................................................59
5.4.6. Tables [6 & 7]: User Analog Inputs #1 & 2.......................................................... 61
5.4.7. Table [8]: Analog Output #1................................................................................ 62
5.4.8. Tables [9 & 10]: Digital Input Accumulators (Totalizers) #1 & 2.......................... 64
5.4.9. Table [11]: Valve Position Indication … 0 – 4095 ............................................... 66
5.4.10. Table [12]: Discrete Input Statuses................................................................... 67
5.4.11. Table [13]: Solid State Relay (SSR) Configuration Table .................................69