Chapter 4 Data Communications Interface ........................................................... 20
Available Communications Protocol Selection and Wire spec .......................... 21 4.1
RS-422/485 .............................................................................................. 21 4.1.1
RS-232 ..................................................................................................... 21 4.1.2
Ethernet .................................................................................................... 22 4.1.3
Communication Connection Wiring .................................................................. 22 4.2
FCM I / FCM II Communications ( MultiLoad II Product Only) - COM 0 –4.2.1
Port – RS485 ....................................................................................................... 22
Host/TMS Communications ...................................................................... 23 4.2.2
4.2.2.1 COM 1 - RS-485 4-wire - Host/TMS Communications ............................ 23
4.2.2.2 COM 1 - RS-485 2-wire : Host/TMS Communications ............................ 24
4.2.2.3 COM 1 - RS-232 - Host/TMS Communications ...................................... 25
4.2.2.4 Ethernet – Host/TMS Communications .................................................. 26
Host Ticket Printer/Data Logger ................................................................ 27 4.2.3
4.2.3.1 COM2 – RS232 - Host Ticket Printer/Data Logger ................................. 27
Chapter 5 Connecting Field devices to the I/O Board .......................................... 30
Where to find the internal I/O board ................................................................. 30 5.1
Available I/O points per board .......................................................................... 31 5.2
Terminal arrangements per board .................................................................... 33 5.3
Digital Analog I/O board (IO_DA) ............................................................. 33 5.3.1
2 Meter I/O board ( IO-2M)........................................................................ 34 5.3.2
How to connect and wire field devices to the I/O boards .................................. 35 5.4
MultiLoad II Flow Meter and Control Valve Wiring ..................................... 36 5.4.1
MultiLoad II Additive Wiring: Outputs ........................................................ 37 5.4.2
MultiLoad II Additive Wiring: Inputs ........................................................... 38 5.4.3
MultiLoad II Analog Wiring ........................................................................ 39 5.4.4
5.4.4.1 RTD Wiring ............................................................................................ 39
5.4.4.2 MultiLoad II 4 – 20 mA Wiring ............................................................... 40
MultiLoad II AC Output Wiring ................................................................... 41 5.4.5
MultiLoad II AC Input Wiring ..................................................................... 42 5.4.6
MultiLoad II DC Permissive/Status Wiring ................................................. 43 5.4.7
MultiLoad II DC Output Wiring .................................................................. 44 5.4.8
MultiLoad II 2 Output Air Eliminator Wiring ................................................ 45 5.4.9
MultiLoad II Lectro Count Remote Display Wiring ................................... 46 5.4.10
RCU II DC Input Wiring ........................................................................... 47 5.4.11
RCU II AC Output Wiring ........................................................................ 48 5.4.12
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