5 MultiLoad II/ RCU II Explosion Proof Lite (EXL) Installation Guide - Part # 6070
CHAPTER 4 DATA COMMUNICATIONS INTERFACE ........................................................... 25
Available Communications Protocol Selection and Wire Spec ..................................................... 25
RS-422/485 ................................................................................................................................... 26
RS-232 .......................................................................................................................................... 26
Ethernet ......................................................................................................................................... 27
Communication Connection Wiring .................................................................................................. 27
FCM I/ FCM II Communications (MultiLoad II Only) - COM 0 –Port – RS485 .............................. 27
Host/TMS Communications .......................................................................................................... 28
4.2.2.2 COM 1 - RS-485 2-Wire: Host/TMS Communications .................................................................. 29
4.2.2.3 COM 1 - RS-232 - Host/TMS Communications ............................................................................ 30
4.2.2.4 Ethernet – Host/TMS Communications ......................................................................................... 31
Host Ticket Printer/Data Logger .................................................................................................... 31
4.2.3.1 COM2 – RS232 - Host Ticket Printer/Data Logger ....................................................................... 32
CHAPTER 5 CONNECTING FIELD DEVICES TO THE I/O BOARD ...................................... 34
Locating the Internal I/O Board.......................................................................................................... 34
Available I/O Points per Board........................................................................................................... 35
Terminal arrangements per Board .................................................................................................... 37
Digital Analog I/O Board (IO_DA) ................................................................................................. 37
2 Meter I/O Board (IO-2M) ............................................................................................................ 38
How to Connect and Wire Field Devices to the I/O Boards ............................................................ 39
MultiLoad II Flow Meter and Control Valve Wiring .................................................................. 40
MultiLoad II Additive Wiring: Outputs ............................................................................................ 41
MultiLoad II Additive Wiring: Inputs ............................................................................................... 42
MultiLoad II Analog Wiring ............................................................................................................ 43
5.4.4.1 RTD Wiring .................................................................................................................................... 43
5.4.4.2 MultiLoad II 4 – 20 mA Input Wiring .............................................................................................. 44
5.4.4.3 MultiLoad II 4 – 20 mA Output Wiring ........................................................................................... 45
MultiLoad II AC Output Wiring ....................................................................................................... 46
MultiLoad II AC Input Wiring ......................................................................................................... 47
MultiLoad II DC Permissive/Status Wiring .................................................................................... 48
MultiLoad II DC Output Wiring ...................................................................................................... 49
MultiLoad II 2 Output Air Eliminator Wiring ................................................................................... 50
MultiLoad II Lectro Count Remote Display Wiring ........................................................................ 51
RCU II DC Input Wiring ................................................................................................................. 52
RCU II AC Output Wiring .............................................................................................................. 53
RCU II DC Output Wiring .............................................................................................................. 54
Typical 1 Meter Application Wiring Example: IP&E Drawing (Electrical Wiring Schedule) ........... 55
CHAPTER 6 CONFIGURATIONS ............................................................................................ 56
Switch Access Control ....................................................................................................................... 56
External Switch Access Control (MultiLoad II Only) ...................................................................... 56
6.1.1.1 Magnetic Bolts Program / W&M Switches (current) ...................................................................... 57
6.1.1.2 Two (2) Rotary Program / W&M Switches (obsolete) ................................................................... 57
6.1.1.3 Single Rotary Program / W&M Switch (obsolete) ......................................................................... 58
Internal Switch Access Control ..................................................................................................... 59
Field Switch Access Control .......................................................................................................... 59
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