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1. LINEAR ENCODER
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The following table shows connectors of servo amplifiers to connect a linear encoder.
(1) For an MR-J4-_A(1)(-RJ), MR-J4-_B(1)(-RJ), and MR-J4W_-_B servo amplifiers
Operation
mode
External encoder
communication
method
External connection connector
MR-J4-_A
MR-J4-_A1
MR-J4-_A-RJ
MR-J4-_A1-RJ
MR-J4-_B
MR-J4-_B1
MR-J4-_B-RJ
MR-J4-_B1-RJ
MR-J4W2-_B MR-J4W3-_B
Linear servo
motor system
Two-wire type
CN2
(Note 1, 6)
CN2
(Note 1)
CN2
(Note 1)
CN2
(Note 1)
CN2A
(Note 1)
CN2B
(Note 1)
CN2A
(Note 1)
CN2B
(Note 1)
CN2C
(Note 1)
Four-wire type
A/B/Z-phase
differential output
method
CN2L
(Note 8)
CN2L
(Note 8)
Fully closed
loop system
Two-wire type
CN2
(Note 2, 3, 6)
CN2L
CN2
(Note 2, 3, 5)
CN2L
CN2A
(Note 2, 4, 5)
CN2B
(Note 2, 4, 5)
Four-wire type
A/B/Z-phase
differential output
method
Scale
measurement
function
Two-wire type
CN2
(Note 2, 3, 7)
CN2L
(Note 7)
CN2A
(Note 2, 4, 7)
CN2B
(Note 2, 4, 7)
Four-wire type
A/B/Z-phase
differential output
method
Note 1. The MR-J4THCBL03M branch cable is necessary.
2. The MR-J4FCCBL03M branch cable is necessary.
3. When the communication method of the servo motor encoder is four-wire type, MR-J4-_A(1) and MR-J4-_B(1) cannot be used.
Use an MR-J4-_A(1)-RJ or MR-J4-_B(1)-RJ.
4. When the communication method of the servo motor encoder is four-wire type, MR-J4W2-_B cannot be used. Use an MR-J4-
_
B-RJ.
5. Supported by servo amplifiers with software version A3 or above.
6. Supported by servo amplifiers with software version A5 or above.
7. Supported by servo amplifiers with software version A8 or above.
8. Connect a thermistor to CN2.