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A-3-3
Relation between OFF Current of a Unit with DC Inputs and
Sensor Leakage Current
≥ I
I
OFF
leak
I
: OFF current of a Unit with DC inputs
OFF
I
: Sensor's leakage current
leak
Connect a bleeder resistor if the sensor's leakage current is greater than the OFF current of a
DC inputs.
The bleeder resistor constant can be calculated using the following equation.
R ≤ (I
× R
OFF
IN
Power W ≥ (V
GX-series EtherCAT Slave Unit User's Manual
+ V
) / (I
- I
)
F
leak
OFF
2
− V
/ R × 4 [allowable margin]
)
CC
R
A Appendix
with
Unit
A
A - 77
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