Rockwell Automation 1771-QC , D17716.5.25 SER/B SERVO POS - Manual (Page 70)

Installing the Assembly
Chapter 6
6Ć20
Figure 6.10
Connection Details for a Differential Encoder
1
2
3
4
5
6
7
8
9
10
11
12
CH A
CH A
CH B
CH B
Marker
Marker
5 to 30V DC
Input Power
Supply
(customer
supplied)
Differential
Output
Encoder
Belden 8761 or
equivalent
(50 ft max)
Ground the shield
at the I/O chassis end
Ground the shield
at the I/O chassis end
Belden 8725 or
equivalent
(50 ft max)
Left Wiring Arm
of 1771 - ES Expander
12020
Connecting a SingleĆEnded Encoder
Figure 6.11 shows details of how to connect a single-ended encoder.
Connect each channel return line to common.