Mounting and Wiring
Signal Wiring
Release F UMC800 Controller Installation and User Guide 25
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Analog inputs (module ID 1)A universal Analog Input module accepts a variety of input signals from field devices as summarized inTable 9. Figure 13 illustrates the terminal block connections for the various inputs. See Specificationssection for more details on all I/O module specifications. One AI module can be configured to acceptmultiple input types.Table 9 Universal analog input module specifications

Specification Description

Input Types mV, V, mA, T/C, RTD, and Ohms

Number of Inputs 4 per module, up to 16 modules per controller (64 inputs)

Signal Source Thermocouple with cold junction compensation, for operation between 32 °F to

176 °F (0 °C to 80 °C)

Line resistance up to 1000 ohms, T/C, mV, mA, V

RTD Pt 100 3-wire connections, 40 ohms balanced max.

Input Impedance 10 Megohms for T/C, mV inputs,

> 1 Megohms for volt inputs

12
11
10
9
8
7
6
5
4
3
2
1
1
Channel 4
Channel 3
Channel 2
Channel 1
+
-
RTD
+
-
RTD
+
-
RTD
+
-
RTD
+
-
Thermocouple Input
T/C, mV, V
Ground Terminal
+
-
Ground Terminal
RTD
RTD Input (3 wires)
+
-
Current Input mA
* A 250 ohm resistor is required for
the input range.
*
Ground Terminal
4 to 20
mA
Source
+
-
mV, V Inputs
Ground Terminal
mV or V
Source
Field Wiring
Figure 13 AI module terminal block connections