FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
PLC User's Manual - Positioning Control Edition
Example Connection
Appendix 4. MELSERVO-J2 (-Super) Series
Apx. - 36
Appendix 4-1 Main Unit (Transistor Output)
*3. To ensure safety, use the forward rotation limit switch and the reverse rotation limit switch on both sides: the PLC side and
the servo amplifier side. Note that the limit switches on the PLC side should be activated slightly earlier than the limit
switches on the servo amplifier side.
*4. To detect absolute positions, connect this line to the PLC.
*5. Extension blocks are used in the connection example.
Inputs and outputs built into the main unit are available in place of extension blocks.
Reverse rotation limit 2
(Servo amplifier side)
Reverse rotation limit 1
(Programmable
controller side)
LSR
Forward rotation limit 2
(Servo amplifier side)
Forward rotation limit 1
(Programmable
controller side)
LSF
Reverse rotation Forward rotation
Servo motor
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