By Yaskawa Electric Corporation - Mitsubishi Electric MELSEC-L LD75P User Manual

Positioning module

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Table of Contents

Appendix 4.5

(1) Connection example of LD75D and -V series (Differential driver)

The logic for each I/O terminal can be changed with "[Pr.22] Input signal logic selection" and "[Pr.23] Output signal logic

selection" in detailed parameters 1. (Negative logic is used for all terminals in the example above.)

The LD75D upper limit (FLS) and lower limit (RLS) are used in the OPR retry function. Set these signals inside the

servo amplifier limit switches.

Refer to the  manual of the servo amplifier for information on the servo amplifier side wiring and various signal wire

shields not shown above.

Use the same logic (positive logic/negative logic) for the LD75D and servo amplifier. The LD75D is initially set to

negative logic.

This indicates the distance between the LD75D and -V series.

Connection examples with servo amplifiers

manufactured by YASKAWA Electric Corporation

Manual pulse

Near-point dog

External command

Troubleshooting

Melsec-l ld75d