Omron R88D-1SN ECT Series User Manual

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)
2R
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
50V
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

Omron R88D-1SN ECT Series Specifications

General

Feedback	Incremental encoder, Absolute encoder
Position Control	Yes
Speed Control	Yes
Torque Control	Yes
Communication Interface	EtherCAT
Power Supply Voltage	200 to 240 VAC
Output Power	0.1 to 1.5 kW
Input Voltage Range	170 to 264 VAC
Control Method	Sine-wave PWM control
Main Circuit Power Supply	200-240 VAC
Applicable Motor Capacity	0.1 to 1.5 kW
Protection Functions	Overcurrent, Overvoltage, Undervoltage, Overheating, Encoder Error
Ambient Operating Temperature	0 to 55°C
Vibration Resistance	4.9 m/s² (10 to 55 Hz)
Shock Resistance	98 m/s2
Weight	Varies by model