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4. INSTALLATION AND PRE-OPERATION SETTING PROCEDURE
4.6.4 Wiring examples of controller and external input (PRESET, F.START) terminals
CAUTION
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(1) Controller (sink load type) is 12V
(2) Controller (source load type) is 5V
REMARK
* ............. Set the external input voltage setting pins in the
Set the pulse/external input voltage setting pins correctly after confirming the
rated voltage of the external power supply.
Miss-wiring (wrong setting) can cause a fire or failure.
The pulse/external input voltage setting pins must be set after switching power
off externally in all phases.
Otherwise, the module can fail or misoperate.
Set the jumper to the pulse/external input voltage setting pins in the correct
inserting orientation.
Otherwise, a failure can occur.
Jumper
<Correct>
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Jumper
<Incorrect>
4 - 14
MELSEC-A
position.
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