Mitsubishi Electric Melsec-F FX3GC Series User Manual page 274

FX /FX /FX /FX /FX
3S 3G 3GC 3U 3UC
Example Connection
Be sure to use the class-D grounding method (grounding resistance: 100  or less).
*1.
*2. Near-point signal (DOG)
*3. Set the servo amplifier parameter No.21 to "020".
*4. 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.
Reverse rotation limit 2
(Servo amplifier side)
Servo motor
*5. Extension blocks are used in the connection example.
Inputs and outputs built into the main unit are available in place of extension blocks.
*6. COM0 in the FX
*7. COM3 in the FX
Apx. - 44
PLC User's Manual - Positioning Control Edition
Reverse rotation limit 1
(Programmable
controller side)
LSR
Reverse rotation
-40MT/ES
3G
-40MT/ES
3G
Appendix 6. MELSERVO-C Series
Appendix 6-1 Main Unit (Transistor Output)
Forward rotation limit 1 Forward rotation limit 2
(Programmable (Servo amplifier side)
controller side)
LSF
Forward rotation