Parker PDHX-E Series User Manual page 74

with further commands after the designated numbers of loops have been executed, or in
combination with the "Y" command to indicate where execution is to stop. The "U" command
may be used to temporarily halt Loop execution, the C command will then cause the loop to
resume execution.
Stop Move Commands
The STOP MOVE commands are presented in order of severity of response. SOFTWARE
RESET "K" command is the most abrupt and severe stop command you can use. The STOP
AT END OF CURRENT LOOP command "Y" is the least abrupt and severe stop command
Stop at End of Current Loop Y
Also the 'stop sequence' command.
This command will not halt processing until command processing reaches the character N at
the end of the command loop. At that time, the Positioner will execute the next command in
the buffer after N, if any. The command loop cannot be restarted without re-entering the
commands.
Controlled Stop command S
In the PRESET or CONTINUOUS mode this command will decelerate the motor to a stop at
the last used acceleration rate.
An "S " command will always cause a deceleration to velocity zero at the last used
acceleration.
The "S " command clears any remaining commands in the command buffer unless prevented
from doing so via the SSH command.
NOTE: Normally, the motor is decelerated to a stop at the same rate as it was accelerated.
Controlled Stop command LS
The LS or 'Limit Stop' command will decelerate the motor to a stop at the deceleration rate
defined by the LA or 'Limit Acceleration' command.
Kill Command K
This command stops positioner commands to the motor. In addition it terminates a loop,
ends a time delay, and aborts a sequence download icommand (XD command). The
command buffer is also cleared.
Software Power-on Reset Z
The "Z " command is equivalent to cycling the AC power to the Positioner; that is, it disables
the communications interface and returns all internal settings to their power-on values. The
command buffer is cleared. Like the "K " command, "Z " causes an immediate cessation of
torque signal to the motor. Z also de-energises and resets the drive ready for re-initialisation
at power up.
NOTE: When the "Z " command is used, the Positioner is busy for up to 2 sec and will ignore
any commands. The status indicator will be blank for this period.
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