5.5 Setting the Linear Encoder Pitch
5-15
5
Basic Functions That Requir
e Setting befor
e Operation
5.5
Setting the Linear Encoder Pitch
If you connect a linear encoder to the SERVOPACK through a Serial Converter Unit, you must
set the scale pitch of the linear encoder in Pn282.
If a Serial Converter Unit is not connected, you do not need to set Pn282.
You will not be able to control the Linear Servomotor if Pn282 is not set correctly. Check the
above table and always set the correct value before you operate the Linear Servomotor.
The first time you supply power to the SERVOPACK, the panel display on the front of the Ser-
vomotor will display an A.080 alarm (Linear Encoder Pitch Setting Error). The A.080 alarm is
displayed because the setting of Pn282 has not been changed. The A.080 alarm will be cleared
when you change the setting of Pn282 and then turn the power supply OFF and ON again.
Serial Converter Unit
The Serial Converter Unit converts the signal from the linear encoder into a form that can be read
by the SERVOPACK.
Scale Pitch
A linear encoder has a scale for measuring lengths (positions). The length of one division on this
scale is the scale pitch.
Pn282
(2282
hex)
Linear Encoder Pitch
Setting Range
Setting Unit
Default Setting
When Enabled
Classification
0 to 6,553,600
0.01
μ
m
0
After restart
Setup
Type of Linear
Encoder
Manufacturer
Model
Serial Converter Unit Model
Linear Encoder
Pitch
[
μ
m]
Incremental
Heidenhain
Corporation
LIDA48
JZDP-H003-
-E
20
JZDP-J003-
-E
LIF48
JZDP-H003-
-E
4
JZDP-J003-
-E
Renishaw PLC
RGH22B
JZDP-H005-
-E
20
JZDP-J005-
-E
Linear Encoder Pitch
If you do not use a Serial Converter Unit, the linear encoder pitch is automatically set. It is not
necessary to set Pn282. You can use the S to check the linear encoder pitch that
was automatically set. Refer to the following section for details.
9.1 Monitoring Product Information
Term
Speed
Position
Force
Information
