8.8 STEP Operation (STEP)
8-45
8
(b) Monitoring Parameters
(5) Timing Charts
(a) Normal Execution
Parameter Name Monitor Contents
IB

001 Servo ON Indicates the Servo ON status.
ON: Power supplied to Servomotor, OFF: Power not supplied to Servomotor
IL

02 Warning Stores the most current warning.
IL

04 Alarm Stores the most current alarm.
IW

08 Servo Command
Type Response
Indicates the motion command that is being executed.
The response code is 8 during STEP command execution.
IB

090 Command Executing The Command Executing bit will turn ON during STEP command execution and
then turn OFF when STEP command execution has been completed.
IB

091 Hold Completed Turns ON when a deceleration to a stop has been completed as the result of
setting the Command Pause bit (OB

090) to 1 during STEP command execu-
tion.
IB

093 Command Error End Turns ON if an error occurs during STEP command execution. The axis will
decelerate to a stop if it is moving. Turns OFF when another command is
executed.
IB

098 Command
Completed
Turns ON when STEP command execution has been completed.
IB

0C0 Distribution
Completed
Turns ON when pulse distribution has been completed for the move command.
Turns OFF during execution of a move command.
IB

0C1 Positioning
Completed
Turns ON when pulse distribution has been completed and the current position is
within the Positioning Completed Width. OFF in all other cases.
IB

0C3 Position Proximity The operation depends on the setting of the Positioning Completed Width 2
(setting parameter OL

20).
OL

20 = 0: Turns ON when pulse distribution has been completed (DEN =
ON).
OL

20
â‰
0: Turns ON when

MPOS - APOS

< Position Proximity Setting
even if pulse distribution has not been completed.
OFF in all other cases.
OW08 = 8 (STEP)
IW08 = 8 (STEP)
IB090 (BUSY)
Undefined length of time
IB098 (COMPLETE)
IB093 (FAIL)
IB0C0 (DEN)
IB0C1 (POSCOMP)
1 scan
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