YASKAWA SGD7S Product Manual page 135

 Input (HWBB) Signal Specifications
Type Signal
/HWBB1
Inputs
/HWBB2
The input (HWBB) signals have the following electrical characteristics.
Item Characteristics
Internal Imped-
Ω
4.7 k
ance
Operating Voltage
+24 V ±20%
Range
Maximum Delay
8 ms
Time
Diagnostic Output Circuits
The EDM1 output signal uses a source circuit. The following figure shows a connection exam-
ple.
SERVOPACK
CN8
8 EDM1+
7
EDM1-
 EDM1 Output Signal Specifications
Type Signal
Output EDM1
The electrical characteristics of the EDM1 signal are as follows:
Character-
Item
istics
Maximum Allow-
30 VDC
able Voltage
Maximum Allow-
50 mA DC
able Current
Maximum ON
1.0 V
Voltage Drop
Maximum Delay
8 ms
Time
Connector
Status
Pin No.
ON (closed)
CN8-4
CN8-3
OFF (open)
ON (closed)
CN8-6
CN8-5
OFF (open)
−
−
Time from /HWBB1 and /HWBB2 signals turning
OFF until HWBB is activated
Host controller
24-V power supply
0 V
Output Sta-
Pin No.
tus
ON
CN8-8
CN8-7
OFF
−
−
Voltage between EDM1+ and EDM1- when current is 50
mA
Time from a change in /HWBB1 or /HWBB2 until a change
in EDM1
4.6 Connecting Safety Function Signals
Meaning
Does not activate the HWBB (normal operation).
Activates the HWBB (motor current shut-OFF
request).
Does not activate the HWBB (normal operation).
Activates the HWBB (motor current shut-OFF
request).
Remarks
Meaning
Both the /HWBB1 and /HWBB2 signals are operat-
ing normally.
The /HWBB1 signal, the /HWBB2 signal, or both
are not operating.
Remarks
4.6.2 I/O Circuits
4
4-39