YASKAWA Sigma-V Series User Manual page 153

4 Operation
4.8.2 External Device Monitor (EDM1)
(1) 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.
 Specifications
Type
Output
Electrical characteristics of EDM1 signal are as follows.
Maximum Allowable Voltage
Maximum Current
Maximum Voltage Drop at ON
Maximum Delay Time
4-62
For safety function signal connections, the input signal is the 0 V common and the output
signal is the source output. This is opposite to other signals described in this manual. To
avoid confusion, the ON and OFF status of signals for safety functions are defined as fol-
lows:
ON: The state in which the relay contacts are closed or the transistor is ON and current
flows into the signal line.
OFF: The state in which the relay contacts are open or the transistor is OFF and no cur-
rent flows into the signal line.
SERVOPACK 1
CN8
SERVOPACK 2
CN8
Signal Connector
Name Pin Number
CN8-8
EDM1
CN8-7
Items Characteristics
50 mA DC
Host controller
24-V power supply
8 /EDM1+
7 /EDM1-
8 /EDM1+
7 /EDM1-
0 V
Setting
Both the /HWBB1 and the /HWBB2 signals are working
ON (closed)
normally.
The /HWBB1 signal, the /HWBB2 signal or both are not
OFF (open)
working normally.
−
30 VDC
−
Voltage between EDM1+ and EDM1- when current is 50
1.0 V
mA
Time from the change in /HWBB1 or /HWBB2 until the
20 ms
change in EDM1
Meaning
Remarks