Omron SYSDRIVE 3G3EV SERIES, User Manual, Page: 30 / 88

3-17
3-2-3 Wiring Control Circuit Terminals
The control signal line must be 50 m or less and must be separated from
the power line. If frequency references are input externally, use a twisted-
pair shielded line.
H
Wiring Sequence Input/Output Terminals
Wire the sequence input terminals (SF, SR, S1, and SC) and the multi-function contact
output terminals (MA, MB, and MC) as described below.
D
Wires to be Used
Wire type Wire size Wire to be used
Single wire 0.5 to 1.25 mm
2
Polyethylene-shielded cable
Stranded wire 0.5 to 0.75 mm
2
D
Wiring Method
•
Wire each terminal as follows:
a) Loosen the terminal screw with a thin-slotted screwdriver.
b) Insert the wire from underneath the terminal block.
c) Tighten the terminal screw firmly.
•
Always separate the control signal line from the main circuit cables and other power
cables.
Thin-slotted screwdriver
Length of
stripped portion:
Approx. 5.5 mm
Wire
Control circuit
terminal block
Do not solder this portion.
(Otherwise, faulty contact may result.)
H
Wiring Frequency Reference Input Terminals
If frequency references are input using a D/A unit (digital-to-analog converter) or exter-
nal power supply, wire the frequency reference input terminals (FR and FC) as de-
scribed below.
Design
Chapter 3