Rockwell Automation 1785-Lxxx Enhanced and Ethernet PLC-5 Programmable Controllers - Manual (Page 41)

Publication 1785-UM012D-EN-P - July 2005
Placing System Hardware 3-5
Laying Out Your
Backpanel Spacing Use 6.35 mm (0.25 inch) mounting bolts to attach the I/O chassis to the
enclosure backpanel.
Chassis Dimensions (Series B)
315mm
(12.41")
P ower
C onnector
254mm
(10")
Side
193mm
(7.60")
591mm
(23.25")
464mm
(18.25")
337mm
(13.25")
210mm
(8.25")
171mm
(6.75")
610mm
(24.01")
483mm
(19.01")
356mm
(14.01")
229mm
(9.01")
16-slot 1771-A4B
12-slot 1771-A3B1
8-slot 1771-A2B
4-slot 1771-A1B
16-slot 1771
12-slot
8-slot
4-slot
1771-A1B
1771-A2B
1771-A3B1
1771-A4B
Front
12450-I
217mm
(8.54")
339mm
(13.53")
465mm
(18.31")
484mm
(19") 9mm
(.34")
26mm
(1.02")
178mm
(7")
130mm
(5.10")
Total maximum depth dimension per installation will be dependent upon module wiring and connectors.
1771-A3B
Side
1
1