YASKAWA E-V Series User Manual page 63

EDM1 Signal
Detection of failures in the EDM1 circuit can be checked using the following four status of the EDM1 signal
in the table. Failures can be detected if the failure status can be confirmed, e.g., when the power supply is
turned ON.
The EDM1 signal is not a safety output. Use it only for monitoring a failure.
(4) Connection Example and Specifications of EDM1 Output Signal
Connection example and specifications of EDM1 output signal are explained below.
Connection Example
EDM1 output signal is used for source circuit.
SERVOPACK
Specifications
Type Signal Name
Output EDM1
Electrical characteristics of EDM1 signal are as follows.
Items
Maximum Allowable Voltage
Maximum Current
Maximum Voltage Drop at ON
Maximum Delay Time
WARNING
EDM1+
8
EDM1-
7
Pin No. Input Status
Both baseblocks by /HWBB1 signal and /HWBB2 signal
ON
CN8-8
normally activate.
CN8-7
−
OFF
Characteristic
−
30 VDC
50 m ADC −
1.0 V Voltage between EDM1+ to EDM1- at current is 50 mA.
Time from change of /HWBB1, /HWBB2 to change of
20 ms
EDM1
3.4 Examples of Connection to Host Controller
External Device
24 V Power Supply
0 V
Meaning
Remarks
3
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