IDEC FT1A Series User Manual page 365

14: T
ROUBLESHOOTING
Troubleshooting Diagram 19
Modbus master communication
request is slow.
Select to use request execution internal
relay and designate an internal relay
number.
Keep unnecessary internal relays turned off
and turn on internal relays only when
sending requests.
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S AXIS P /L U ' M FT9Y-B1378 14-25
MART RO ITE SER S ANUAL