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. 327