5-143
Cn041.0 absolute encoder multi-turn clearing function
Initial value Unit Setting range Effective RS-485 address
0 -- 0 ~ 2
Effective after
Confirmed
002CH
Setting description:
Settin
Description
0 Does not function
1 Clear internal status of encoder
2
Clears internal status and number
of turns of encode
“Absolute encoder data reading”
Used RS-485 communication to read the absolute encoder data; UN-24 (data length 1 word) and
UN-25 (data length 2 words) must be used to read the multi-turn data of the encoder and the position
data in a single turn.
Parameters
Code
Display content Unit Description
RS-485
Address
Un-24
Communication encoder
feedback
Multi-turn position
information
rev
Communication encoder motor multi-turn
absolute position
061FH
Un-25
Communication encoder
feedback
Position information in
a single turn
※Range is greater than
5 digits
pulse
Communication encoder motor absolute
position in a single turn
0620H
0621H
Motor’s actual position = Un-24* encoder resolution + Un-25
“Absolute encoder multi-turn data limit value”
Multi-turn data limit value is used when performing position control for rotating objects such as
rotating platforms. For example, machines that move only toward in one direction.
Since it only rotates toward in one direction, sometimes it will exceed the multi-turn maximum limit
that can be counted by the absolute encoder; the changing method of the multi-turn position
information is as shown in the figure below.
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