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
Voltage between EDM1+ and EDM1- or EDM2 + and
EDM2- when current is 50 mA
Maximum Delay Time
20 ms
Time from the change in /HWBB1 or /HWBB2 until the
change in EDM