User manual of EL8-EC***F AC Servo
50
Regenerative resistor connection
If B1 and B2 are connected, internal regenerative resistor is now functional; if an
external regenerative resistor is required, please disconnect B1 and B2 and connect
P+ to B1 to prevent overcurrent.
Please do not connect external regenerative resistor directly to N or it might cause fire
hazard.
Please refer to the section above to select minimum allowable resistance for the
external regenerative resistor or it might damage the driver.
Please confirm Pr0.16 and Pr0.17 before using any regenerative resistor.
Do not set the regenerative resistor near any flammable object.
2.16 I/O Signal
2.16.1 Analog input signal
CN1 Pin
Signal
Description
14
AI1+
Differential,
Input voltage:
±10VDC,
Input resistance: 20k
Ω
15
AI1-
23
AI2+
24
AI2-
If variable resistor or resistor is needed, please refer to following diagram.
+12V
-12V
20K
AI1+
AI1-
3
2
1
VREF
+
-
Driver
14
15
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