Orientalmotor aSTEP AZ Series, Руководство пользователя, Страница: 41 / 180

Power removal function
41
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5-3 I/O signals
„
HWTO1 input, HWTO2 input
The HWTO1 input and the HWTO2 input are signals to operate the power removal function.
Provide individual contacts for operating the HWTO1 input and the HWTO2 input.
HWTO1+
24 VDC
0 V
HWTO1–
HWTO2+
HWTO2–
4.7 kΩ
2.2 kΩ
2.2 kΩ
4.7 kΩ
Driver External device
CN1
Specification
• Input voltage: 24 VDC±10 %
Safety input-off shot pulse for self-diagnosis of external device
If the safety output signal output from an external device includes the safety input-off shot pulse for self-diagnosis,
use an external device which pulse width is 1 ms or less. If the OFF-time of the HWTO1 input or the HWTO2 input by
the safety input-off shot pulse is 1 ms or less, the power removal function does not operate.
ON
OFF
HWTO1 input, HWTO2 input
Driver status
1 ms or less
Power removal status
Safety input-off shot pulse for self-diagnosis
„
EDM output
The EDM output is a signal to monitor a failure in the power removal function.
The EDM output is not an output signal to ensure the safety. Do not use the EDM output for any
other purpose except for monitoring a failure.
24 VDC
0 V
Driver External device
EDM+
EDM–
CN1
Specifications
• Voltage: 30 VDC or less
• Current: 50 mA or less
• Output saturated voltage: 1.1 V max.