Allen-Bradley PowerFlex 755T Installation Instructions Manual page 137

Type
(1) (2) (3)
Signal Standard Analog I/O
Remote Pot
Encoder/
Pulse I/O
<30 m (100 ft)
Encoder/
Pulse I/O
30...152 m
(100...500 ft)
Encoder/
Pulse I/O
152...259 m
(500...850 ft.)
Control Power Un-shielded
Digital I/O Shielded
Safety Inputs
Homing Inputs
(1)(2)(3)(4)
Digital I/O Un-shielded
(1)(2)(3)
Homing Inputs
(1) Signal wires should be separated from power wires by at least 0.3 meters (1 foot).
(2) If the wires are short and contained within a enclosure which has no sensitive circuits, the use of shielded wire may not be necessary, but is always recommended.
(3) I/O terminals labeled '(–)' or 'Common' are not referenced to earth ground and are designed to greatly reduce common mode interference. Grounding these terminals can cause signal noise.
(4) Safety option modules 20-750-S, 20-750-S1, and 20-750-S3 require shielded cable.
Table 18 - Common DC Input Drive Assembly I/O Terminal Block and Connector Specifications
Name
Common DC Input TB1...TB5
Fiber Interface PCB Connector
P13
Fiber Interface PCB Connector
P14
Table 19 - I/O Wire Recommendations
Wire Type(s) Description
– 0.750 mm
drain.
– 0.750 mm
Combined 0.196 mm
individually shielded pairs.
Signal 0.196 mm
individually shielded pairs.
Power 0.750 mm
Combined 0.330 mm
individually shielded pairs.
Signal 0.196 mm
individually shielded pairs.
Power 0.750 mm
Combined 0.750 mm
– Per US NEC or applicable national or local code.
Multi-conductor shielded cable 0.750 mm
– Per US NEC or applicable national or local code.
Rockwell Automation Publication 750-IN100B-EN-P - July 2017
Wire Size Range Torque
Maximum Minimum Maximum
2 2
4.0 mm 0.25 mm 0.5 N•m
(12 AWG) (24 AWG) (4.4 lb•in)
2 2
4.0 mm 0.25 mm 0.5 N•m
(12 AWG) (24 AWG) (4.4 lb•in)
2 2
2.5 mm 0.3 mm 0.25 N•m
(14 AWG) (28 AWG) (2.2 lb•in)
2
(18AWG), twisted pair, 100% shield with
2
(18AWG), 3 conductor, shielded.
2
(24AWG)
2
(24AWG)
2
(18AWG) in.dividually shielded pairs
2 2
(22AWG), power is 0.500 mm (20AWG)
2
(24AWG)
2
(18AWG) individually shielded pairs.
2
(18AWG) individually shielded pairs.
2
(18AWG), 3 conductor, shielded.
I/O Wiring Chapter 6
Strip
Length
Recommended
0.4 N•m 7 mm
(3.5 lb•in) (0.28 in.)
0.4 N•m 7 mm
(3.5 lb•in) (0.28 in.)
0.2 N•m 6 mm
(1.8 lb•in) (0.24 in.)
Min. Insulation
Rating
300V,
75...90 °C
(167...194 °F)
300V,
60 °C (140 °F)
300V,
60 °C
(140 °F)
137