IDEC FT1A Series - Page 365

S MART AXIS P RO /L ITE U SER ' S M ANUAL FT9Y-B1378 14-25
14: T ROUBLESHOOTING
Troubleshooting Diagram 19
Modbus master communication
request is slow.
END
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.