Rockwell Automation 1771-A2BSS_A3B1SS Install Instruc Universal I/O Chassis - Manual (Page 3)

Universal I/O Chassis 3
Publication 1771–5.60 – May 1999
I/O Chassis Mounting Dimensions
315mm
(12.41”) 254mm
(10”)
1771-A2BSS
1771-A3B1SS
193mm 1
(7.60”)
171mm
(6.75”) 356mm
(14.01”)
power connector
grounding stud
use 1/4-20 (M6 x 10)
mounting bolts (four places)
337mm
(13.25”)
8–slot 1771–A2BSS
8–slot 1771–A2BSS
483mm
(19.01”)
12-slot 1771-A3B1SS
464mm
(18.25”)
12-slot 1771-A3B1SS
I/O Chassis with External Power Supply Mounting Dimensions
315mm
(12.41”)
254mm
(10”)
1771-A2BSS
1771-A3B1SS
1771-P1
1771-P2
1771-P7
1771-PS7
Power Supply
12451-I
91mm
(3.6”)
337mm
(13.25”)
You can mount 1771-P1, -P2, -P7 and
-PS7 power supplies on the left side
plate of the I/O chassis, or up to 5
cable-feet from the I/O chassis.
483mm
(19.01”)
grounding stud
use 1/4-20 (M6 x 10)
mounting bolts (four places)
8–slot 1771–A2BSS
8–slot 1771–A2BSS
356mm
(14.01”)
12-slot 1771-A3B1SS
464mm
(18.25”)
12-slot 1771-A3B1SS