5 Operation
5.11.1 Hard Wire Base Block (HWBB) Function
5-80
Specifications
The input signals (HWBB signals) have the following electrical characteristics.
If the HWBB function is requested by turning OFF the /HWBB1 and /HWBB2 input signals on the two chan-
nels, the power supply to the servomotor will be turned OFF within 20 ms (see below).
Note 1. The OFF status is not recognized if the total OFF time of the /HWBB1 and /HWBB2 signals is 0.5 ms or shorter.
2. The status of the input signals can be checked using monitor displays. Refer to 8.6 Monitoring Safety Input Sig-
nals.
Type
Signal
Name
Connector
Pin Number
Setting Meaning
Input
/HWBB1
CN8-4
CN8-3
ON (closed) Does not use the HWBB function. (normal operation)
OFF (open)
Uses the HWBB function. (motor current shut-off
request)
/HWBB2
CN8-6
CN8-5
ON (closed) Does not use the HWBB function. (normal operation)
OFF (open)
Uses the HWBB function. (motor current shut-off
request)
Items Characteristics Remarks
Internal Impedance 3.3 kΩ−
Operation Movable Volt-
age Range
+11 V to + 25 V −
Maximum Delay Time 20 ms
Time from the /HWBB1 and /HWBB2 signals are OFF to
the HWBB function operates.
When using the HWBB function, always use a 24-VDC power supply for the DC power.
/HWBB1
/HWBB2
Normal operation
SERVOPACK
State
HWBB state
ON
(Normal operation)
OFF (Motor current
shut-off request)
Within 20 ms
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