Rockwell-automation 1771-IFE , D17716.5.90 USER MNL. ANALOG INPUT Modu Manual de usuario Pagina 18

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Installing the Input Module
Chapter 2
2-6
Figure 2.4
Connection
Diagram for 8 Differential Inputs and T
woW
ire T
ransmitters
+
Source Ground
1. Unused channels must have their + and  inputs jumpered
together and tied to module common to reduce noise.
1771WG
Field Wiring Arm
10949I
Attention: Analog input signals must be within +14.25V
referenced
to module
common. If an input channel exceeds this
range, channeltochannel crosstalk can cause invalid input
readings and invalid underrange or overrange bits.
NOTE:
The 1771IFE module does not supply loop power for the input
device. The user must supply loop power for looppowered
input devices.
+
2Wire
Transmitter
Channel 1+
Channel 1
Channel 2+
Channel 2
Channel 3+
Channel 3
Channel 4+
Channel 4
Channel 5+
Channel 5
Channel 6+
Channel 6
Channel 7+
Channel 7
Channel 8+
Channel 8
Module Common
Not used
Not used
Not used
Module Common
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Configuring the module for differential inputs does not provide isolation.
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