Operation Sequence When A Safety Signal Is Input - YASKAWA S-7 Series Command Manual

5.7 Operation Sequence when a Safety Signal is Input

5.7

Operation Sequence when a Safety Signal is Input

When the HWBB1 or HWBB2 signal is input while the motor is operating, the power supply to
the motor is shut OFF forcibly and the motor stops according to the setting of the 1st digit of
parameter Pn001 (i.e., Pn001 = n.X).
• When an HWBB signal is input after the SERVOPACK stops powering the motor
SVCMD_STAT.
SV_ON
SVCMD_IO.
SERVOPACK
• When an HWBB signal is input while the SERVOPACK is powering the motor
Command
SVCMD_STAT.
SV_ON
SVCMD_IO.
SERVOPACK
 When an HWBB Signal is Input
Monitor the HWBB input signal and SCM output signal status, or ESTP signal (HWBB) status in
the SVCMD_IO (servo command input signal) field. If a forced stop status is detected, send a
command such as SV_OFF to stop the motor.
5-12
/HWBB1 ON
/HWBB2 (The HWBB function is not required.)
Motion command,
Command
etc.
1
ESTP
0
RUN status
status
/HWBB1
ON
/HWBB2
(The HWBB function is not required.)
Motion command, etc.
1
0
ESTP
RUN status
status
OFF
(The HWBB function
is required.)
SV_OFF
SMON command, etc.
command
0
1
HWBB status
BB status
(baseblocked)
(hard wire baseblocked)
OFF
(The HWBB function
is required.)
SMON command, etc.
0
1
HWBB status
(hard wire baseblocked)
ON
(The HWBB function is not required.)
SV_ON
command
0
BB status
RUN status
(baseblocked)
ON
(The HWBB function is not required.)
SV_ON
command
0
BB status
RUN status
(baseblocked)
1
1