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CHAPTER 4 PARAMETER
PA2_89 and 90 Sequence test mode: Mode selection and encoder selection
No.
Sequence test mode:
89
Mode selection
Sequence test mode:
90
Encoder selection
PA2_89 (sequence test mode):
Select 0 to start the sequence test mode from the PC Loader or keypad. Turn the power off
then on again to return to the normal mode.
Specify the encoder bit according to the type of the servomotor.
4
PA2_89 (sequence test mode):
Select 1 to always start the sequence test mode. To return to the normal mode, change
PA2_89 to 0 and turn the power off then on again.
Specify the encoder bit according to the type of the servomotor.
In sequence test mode, the servo amplifier keypad flashes (once every 2 seconds.)
PA2_90: Specify the parameter according to the connected motor encoder bit.
* Sequence test mode does not support the safety option (WSU-ST1) function.
PA2_91 Position command delay time
No.
91
Position command delay time 0.0 [ms] to 12.0 [ms]
This parameter is enabled only for VS type.
Specify the time period after the position command is send from the SX controller to the servo amplifier
until the servo amplifier outputs the position command.
Reference setting value
(Cycle time of position command from the SX system) × 2 + 1 [ms]
[Example] If the bus cycle time of position command from the SX system is 2 [ms]:
4-92
Extended Function Setting Parameters
Name
0: Normal mode
1: Sequence test mode
4: 24 bit
Name
The position command delay time is determined by 2 [ms] × 2 + 1 [ms] = 5 [ms].
Therefore, the servo amplifier always updates the position command 5 [ms] later.
Setting range
Setting range
Default
Change
value
0
Power
4
Power
Default
Change
value
6.0
Always
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