IAI America ROBO Cylinder Series - Manual (Page 252)

6. Modbus
ASCII
244
Modbus
6.5.4 Alarm Reset <<ALRS>>
(1) Function
When the alarm reset edge is turned on (the data is first set to FF00
H
and then changed to 0000
H
),
alarms will be reset.
If any alarm cause has not been removed, the same alarm will be generated again. If the alarm
reset edge is turned on while the actuator is paused, the remaining travel will be cancelled.
When alarms are reset, make sure to write changed data of 0000
H
to restore the normal status.
(2) Query format
Field Number of
characters
ASCII mode
character string
(fixed)
Remarks
Header 1 ‘:’
Slave address [H] 2 Arbitrary Axis number + 1 (01
H
to 10
H
)
00
H
when broadcast is specified
Function code [H] 2 ‘0’, ‘5’ Write to a single coil DO.
Start address [H] 4 ‘0’, ‘4’ ‘0’, ‘7’ Alarm reset command
Changed data [H] 4 Arbitrary Execute alarm reset: ‘F’, ‘F’, ‘0’, ‘0’
Normal: ‘0’, ‘0’, ‘0’, ‘0’
Error check [H] 2 LRC calculation
result
Trailer 2 ‘CR’, ‘LF’
Total number of bytes 17
(3) Response
If the change is successful, the response message will be the same as the query.
If invalid data is sent, an exception response (refer to section 7) will be returned, or no response will
be returned.