Rockwell Automation 1785-LTx,D17856.2.1 Classic PLC-5 Programmable Controllers Users Manual - Manual (Page 41)

Placing System Hardware
Chapter 3
3-6
Use 6.35 mm (0.25 inch) mounting bolts to attach the I/O chassis to the
enclosure backpanel.
Figure 3.1
Chassis Dimensions (Series B)
315mm
(12.41")
Power
Connector
254mm
(10")
Side
193mm 1
(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")
16Ćslot 1771ĆA4B
12Ćslot 1771ĆA3B1
8Ćslot 1771ĆA2B
4Ćslot 1771ĆA1B
16Ćslot 1771
12Ćslot
8Ćslot
4Ćslot
1771ĆA1B
1771ĆA2B
1771ĆA3B1
1771ĆA4B
Front
12450ĆI
217mm 1
(8.54")
339mm
(13.53")
465mm
(18.31")
484mm
(19")
9mm
(.34")
26mm
(1.02")
178mm
(7")
130mm
(5.10")
1 Total maximum depth dimension per installation will be dependent upon module wiring and connectors.
1771ĆA3B
Side
Laying Out the
Backpanel Spacing