Configure And Ground I/O And Processor Chassis; Configure I/O Chassis - Allen-Bradley PLC-3 Series Quick Start Manual

Address Switch Assembly
(S1)
1 2 3 4 5 6 7 8
O
N
O
F
F
I/O rack number
Configure and Ground I/O and
Processor Chassis

Configure I/O Chassis

a
Set the backplane switches.
First I/O group number
Maximum I/O
Switch Position
chassis distance
1 2
57.6K Baud 10,000ft
ON OFF
OFF OFF 115.2K Baud 5,000ft
OFF ON 230.4K Baud 2,500ft
ON ON Not Used
1
230.4K Baud with 1775 S5 revision A/G and
later, and 1775 SR5 revision A/G and later
scanners only.
b
Install keying bands.
See the appropriate product data for the module
you are installing to determine the proper keying
positions for each module.
Switch Assembly (S2)
5 6
1 2 3 4
O
N
O
F
F
Off
Link Response ON for series B emulation
ATTENTION:
1
be ON when using the following scanner modules:
1775 S4A
1775 S4B
1775 S5
1775 SR5
1775 SR
Always OFF
Scan On for all but last 4 slots
1771 I/O
Module
Keying
Bands
1
Step
Pressed in at top
Closed (ON)
Pressed in at bottom
Open (OFF)
OFF for unrestricted
Link response switch must
Off for all slots
Publication 1775 10.1 - March 1996