Rockwell Automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User Manual - Manual (Page 23)

Chapter 2
Installing the Control Coprocessor
2-5
You receive plastic keying bands with each I/O chassis. Insert the keying
bands in the backplane sockets of the I/O chassis, using the numbers beside
the backplane connector as a guide. See Figure 2.1 and Figure 2.2.
Figure 2.1
Keying Band Positions for the Main Module
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
Keying Bands
(1771ĆRK)
I/O Chassis
Backplane
C Connector
35
1
CX
Place keying bands
between pins:
G 24 and 26
G 30 and 32
Top Backplane Connector
Figure 2.2
Keying Band Positions for the Serial Expander Module
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
Keying Bands
(1771ĆRK)
I/O Chassis
Backplane
D Connector
2
4
6
8
10
12
14
16
18
20
22
24
12369ĆI
Keying Bands
(1771ĆRK)
1
I/O Chassis
Backplane
C Connector
35
1
CX
DX
23
Place keying bands
between pins:
G 2 and 4
G 16 and 18
Place keying bands
between pins:
G 16 and 18
Top Backplane Connector
Bottom Backplane
Connector
AND
The serial expander module uses a total of three keying bands, two on the bottom connector and one on the top connector.
Install the Keying Bands