8 Operation
8.8.10 External Device Monitor (EDM)
8-42
Specifications
Electrical characteristics of EDM signal are as follows.
Type SERVOPACK
Signal
Name
Pin
Number
State Meaning
Out-
put
For one axis
EDM1
CN1-22,
CN1-21
ON
Both the /HWBB1 and the /HWBB2 signals are working
normally.
EDM1 OFF
The /HWBB1 signal, the /HWBB2 signal or both are not
working normally.
For
two
axes
1st
axis
EDM1
CN1-42,
CN1-41
ON
Both the /HWBB1 and the /HWBB2 signals are working
normally.
EDM1 OFF
The /HWBB1 signal, the /HWBB2 signal or both are not
working normally.
2nd
axis
EDM2
CN1-44,
CN1-43
ON
Both the /HWBB1 and the /HWBB2 signals are working
normally.
EDM2 OFF
The /HWBB1 signal, the /HWBB2 signal or both are not
working normally.
Items Characteristics Remarks
Maximum Allowable Voltage 30 VDC −
Maximum Current 50 mADC −
Maximum Voltage Drop at ON 1.0 V
Vo l t a g e b e t w e e n E D M 1 + a n d E D M 1 - o r E D M 2 + a n d
EDM2- when current is 50 mA
Maximum Delay Time 20 ms
Time from the change in /HWBB1 or /HWBB2 until the
change in EDM
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