Rockwell Automation SP600 AC Drive User Manual Version 1.0 - Manual (Page 59)

Wiring Requirements for the Drive 4-5
4.2 Control and Signal Wire
The terminal block on the Main Control board provides terminals for
24VDC power for the eight remote control inputs as well as the
terminals for the analog input/output signals. Refer to tables 4.3 and
4.4 for signal and control wiring specifications.
4.3 Recommended Motor Lead Lengths
Important: To reduce line disturbances and noise, motor lead
length should not exceed 200 feet for any
non-Reliance Electric motor or any non-inverter duty
motor.
The length of cable between the drive and motor may be limited for
various application reasons. The primary areas of concern are:
• Reflected wave
• Cable charging
Table 4.3 – Recommended Signal and Control Wire
Signal Type Wire Type(s) Description
Minimum
Insulation Rating
Analog I/O Belden 8760/9460
(or equiv.) 0.750 mm 2 (18 AWG), twisted
pair, 100% shield with drain 1 .
300V, 75-90 ° C
(167-194 ° F)
Belden 8770
(or equiv.) 0.750 mm 2 (18 AWG)
3-conductor, shielded for
remote pot only.
Unshielded
Control Per US NEC or
applicable national
or local code - 300V,
60
° C (140 ° F)
Shielded
Control Multi-conductor
shielded cable such
as Belden 8770
(or equiv.) 0.750 mm 2 (18 AWG),
3-conductor, shielded.
1 If the wires are short and contained within a cabinet which has no sensitive circuits,
the use of shielded wire may not be necessary, but is always recommended.
Table 4.4 – I/O Terminal Block Specifications
Name Description
Wire Size Range 1
Torque Maximum Minimum
I/O Terminal Block Signal and control
connections 1.5 mm2
(16 AWG) 0.05 mm2
(30 AWG) 0.5 N-m
(4.4 in-lb)
1 Maximum/minimum that the terminal block will accept. These are not
recommendations.