3 Specifications
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AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
This section describes terminal block specifications of external regeneration resistance unit with Fan.
Terminal block screw: M4, Tightening torque: approx. 1.5 to 1.8 N·m
*1. Build a system to prevent the Servomotor from operating if a fan error is detected by the /SENS signal.
3-5-3
External Regeneration Resistance Unit Specifications
Terminal Block Specifications
Pin No.
Symbol
Name
Specifications
1
R
Regeneration Resistor
connection terminals
External regeneration resistor (640 W)
2
R
3
Protective earth (PE)
Ground terminal
4
24V
Fan power supply input
Input voltage: 24 VDC (20.4 to 27.6 V)
Input current: 0.27 A
5
0V
6
/SENS
Fan rotation error signal
Open collector output
Input voltage: 27.6 VDC max., Output
current: 5 mA max.
In the normal state: ON, in the error state
(Fan stop): OFF (OPEN)
Terminal Block Wiring Example
R
R
24V
FAN
0V
/SENS
*1
Ic=5mA max.
To External
Regeneration Resistor
connection terminals of
Servo Drive
To user-side control
device
Sensor output
Load resistance
DC24V
Summary of Contents for R88D-1SN ECT Series
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