5 Operation
5.9.5 Absolute Encoder Setup
5-70
5.9.5 Absolute Encoder Setup
Setting up the absolute encoder is necessary in the following cases.
• When starting the machine for the first time
• When an encoder backup error alarm (A.810) is generated
• When an encoder checksum error alarm (A.820) is generated
• To set the absolute encoder rotational data to 0
Setup the absolute encoder with Fn008.
(1) Precautions on Setup
• Setup the encoder when the servo ON (/S_ON) signal is OFF.
• If the following absolute encoder alarms are displayed, cancel the alarm by using the same method as the
setup (initializing). They cannot be canceled with the SERVOPACK alarm reset input signal (/ALM-RST).
• Encoder backup error alarm (A.810)
• Encoder checksum error alarm (A.820)
• Any other alarms that monitor the inside of the encoder should be canceled by turning OFF the power, then
canceling the alarm.
(2) Procedure for Setup
Follow the steps below to setup the absolute encoder.
CAUTION
• If the absolute value encoder is initialized, rotational data will be set to 0 and the reference position of the
machine system will change.
If the machine is operated in this state, the machine may move unexpectedly and injury, death, or machine
damage may result. Be sufficiently careful when initializing the absolute encoder.
Step
Display after
Operation
Keys Description
1
Press the MODE/SET Key to select the utility function
mode.
2
Press the UP or the DOWN Key to select Fn008.
Note: When "no_OP" blinks for approximately one second,
the write prohibited setting is set in Fn010. Change
the setting in Fn010 and press the key again after
enabling writing. (Refer to 7.12.)
3
Press the DATA/SHIFT Key for approximately one second.
The display shown on the left appears.
4
Continue pressing the UP Key until "PGCL5" is displayed.
Note: If there is a mistake in the key operation, "nO_OP"
will blink for approximately one second. Start the
operation from the beginning.
5
Press the MODE/SET Key. The absolute encoder is initial-
ized.
When completed, "donE" blinks for approximately one sec-
ond.
6 "PGCL5" is displayed again.
7
Press the DATA/SHIFT Key for approximately one second.
"Fn008" is displayed again.
8 Turn OFF the power, and then turn it ON again to make the setting valid.
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