Installing the analog input module chapter 3 – Rockwell Automation 1771-IE,D17716.5.7 ANAL.INPUT MOD. User Manual

Page 15

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Installing the Analog Input Module

Chapter 3

3Ć5

There is no restriction on cable length for current mode input devices.
Cable length resistance, however, when added to module input resistance,
must not be enough to cause an overload on the analog driving device.

Figure 3.2

Connection Diagram

12

11

10

9

8

7

6

5

4

3

2

1

Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8

Supply Comm/

Sig. Rtn.

+15V
-15V

+5V

+5 -15 +15 DC

COMM

Use

power

supply

Chassis

ground mounting

bolt

Analog

signal

source

Ground cable shield at one end only,

preferably at chassis mounting bolt.

(See application codes and laws.)

14168

Field Wiring Arm

(Cat. No. 1771-WB)

If you use a 1770-P1 power supply for your external power source, you
must jumper the 5 VDC COMMON and the 15 VDC COMMON
terminals together either at the power supply or at the module. Figure 3.3
shows the wiring connections for the Power Supply (1770-P1).

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