Overload Protection (Electronic Thermal Function) - Omron 1S Series Instruction Manual

 Wire Sizes for 400-VAC Input Model: R88D-1SANF-ECT
Item
Power supply capacity
Main circuit power
supply input
Control circuit
power supply
input
Motor connection
terminals
Protective
earth
*1. The wire size of protective earth must be greater than or equal to the wire size of main circuit power
supply input.
 Wiring to Protective Earth Terminal
Use a round terminal for the protective earth terminal.
 Overload Protection (Electronic Thermal Function)
• Servo Drive memorizes a load ratio after an overload occurs. Therefore, when you run a Ser-
vomotor under the same condition, an overload occurs earlier than when the first overload oc-
curs.
• Overload protection does not have Speed Sensitive.
29
Unit
kVA
Rated current Arms
Wire size ---
Wire size ---
Rated current Arms
Wire size ---
Wire size ---
Screw size ---
Tightening
N·m
torque
AC Servomotors/Servo Drives 1S-series Instruction Manual
Model (R88D-1SAN)
10F-ECT 15F-ECT
2.0 2.1
3.1 4.3
2
1.5 to 6.0 mm
2
0.5 to 1.5 mm
4.1 4.7
2
1.5 to 6.0 mm
2 *1
2.5 mm or larger
M4
1.2
20F-ECT 30F-ECT
4.2 5.0
6.5 8.4
2.5 to 6.0
2
mm
7.8 11.3
2
2.5 to 6.0 mm