Download 1772-6.6.2, PLC-2/20, PLC-2/30 Programmable Controller

Transcript
Chapter 3
Assembly and Installation
Table 3.E
Power Cable Lengths
Chassis
Power Supply
Cable Length
Cable
Cat. No.
1771A1B
1771A2B
1771A4B
1771P1, P2
Chassis
5 ft. (1.55m)
1771CL
1771CM
And
1771A1
1771P3,P4,P5 No Chassis Cable needed
Use 1771CT for paralleling
power supplies
1771P7 a
Chassis
1771CP1
1771A2
1771A4
1772P1, P4
1777P2, P4
3 ft. (.92m)
8 ft. (2.45m)
1771CK
1771CJ
1771A3B
1771P7
1771P1
5 ft. (1.55m)
1 ft. (.3m)
1771CP2
1771CL2
1771PSC
1771P3,P4.P5
No Cable needed, Direct connection
to 1771A1B, A2B or A4B Chassis
a
Use with 1771A1B, A2B, A3B and A4B only.
3.
Distance between the processor and the first I/O chassis is limited by the
cable-feet requirement for the power supply being used.
4.
Distance between I/O chassis is 3 or 6 cable-feet.
5.
Minimum distance between a major component and the sides of the
enclosure is 4 inches.
6.
Minimum vertical separation between major components is 6 inches.
7.
Minimum horizontal separation between major components is 4 inches.
8.
Minimum vertical distance between a major component and the top or
bottom of the enclosure is 6 inches.
9.
Wiring ducts and terminal strips should be mounted no closer than 2
inches to any major component.
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