Mitsubishi Electric MELSEC-L LD75P User Manual page 732

Positioning module

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(2) Connection example of LD75P and AR series (Open collector)

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 LD75P upper limit (FLS) and lower limit (RLS) are used in the OPR retry function.

Refer to the  manual of the stepping motor drive for information on the stepping motor drive side wiring and various

signal wire shields not shown above.

Use the same logic (positive logic/negative logic) for the LD75P and stepping motor. The LD75P is initially set to

negative logic.

This indicates the distance between the LD75P and AR series.

Manual pulse

Near-point dog

External command

Connect as necessary.

Troubleshooting

Melsec-l ld75d