Toptech MultiLoad II EXL - Analog Wiring

CHAPTER 5– CONNECTING FIELD DEVICES TO THE I/O BOARD
43 MultiLoad II/ RCU II Explosion Proof Lite (EXL) Installation Guide - Part # 6070
MultiLoad II Analog Wiring
5.4.4.1 RTD Wiring
I/O DIGITAL/
ANALOG
I/O 2 METER
METER 0 METER 1
RTD
RTD.V+
RTD
100Ω
°C
Pt
°F
100Ω
°C
Pt
°F
100Ω
°C
Pt
°F
α=0.00385
100 Ω
α=0.00385
100 Ω
α=0.00385
100 Ω
RTD
RTD.R+
RTD.R-
RTD.COM
RTD.V+
RTD.R+
RTD.R-
RTD.COM
RTD.V+
RTD.R+
RTD.R-
RTD.COM
V+ 1
✓
R+ 2
✓
R- 3
✓
COM 4
✓
IO_DA TB4
RTD
V+ 1
✓
R+ 2
✓
R- 3
✓
COM 4
✓
IO_2M TB5
RTD
V+ 1
✓
R+ 2
✓
R- 3
✓
COM 4
✓
IO_2M TB4
RTD
Note: All 4 wires MUST be run to the sensor. Do not simply jumper REF- to COM or REF+ to V+ at the FCM II. For 3-wire and 2 wire probes, the
connection of REF- to COM and REF+ to V+ should be as close as possible to the probe (within inches).