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IAI America PCON-CY User Manual

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6. Parameter Settings

z Automatic Servo-off Delay Time (No.36 ASO1/ No.37 ASO2/ No.38 ASO3)

This parameter defines the delay time after positioning is completed until the servo turns off automatically when the “Standstill
mode” field in the position table is set to any value from “1” to “3” (the automatic servo-off mode is enabled) or the setting of
Parameter No. 53 (Default standstill mode) is set to any value from “1” to “3” (the automatic servo-off mode is enabled).
Meaning of set value:

If this parameter is set to “1,” T takes the value of Parameter No. 36.
If this parameter is set to “2,” T takes the value of Parameter No. 37.
If this parameter is set to “3,” T takes the value of Parameter No. 38.

The factory setting is “0” [sec].

z Default Standstill Mode (No.53 CTLF)

This parameter defines the power-saving mode to be applied when the standby time while the servo is on is long after power
on.
You can select the full servo control mode.
* Even when the automatic servo-off mode is selected, the selection will be ignored.
In Parameter No. 53, define whether or not to implement power-saving.

Setting

All power-saving modes are disabled

0

Automatic servo-off mode. The delay time is defined by Parameter No. 36.

1

Automatic servo-off mode. The delay time is defined by Parameter No. 37.

2

Automatic servo-off mode. The delay time is defined by Parameter No. 38.

3

Full servo control mode

4

The factory setting is “0” [Disable].

Auto servo-off mode

The servo automatically turns off after elapse of a specified time following the completion of positioning. (Since no holding
current is required, power consumption decreases.)
When the PLC issues the next move command, the servo will turn on again and the actuator will start moving.
Refer to the timing chart above.

Full servo control mode

The pulse motor is servo-controlled to reduce the holding current.
Although the specific level of current reduction varies in accordance with the actuator model, load condition, etc., generally
the holding current drops to around a half to one-fourth.
The servo remains on, so position deviation does not occur.
The actual holding current can be checked in the current monitor screen of the PC software.

Move command

Servo status

Actuator movement

Servo on

Automatic servo-off mode

(The green LED blinks.)

Delay time after completion of positioning until
the servo turns off (sec)

Target position