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PRE-OPERATION INSTRUCTIONS
•
Operation status indication LED
Lit when refresh data is properly received. Turns off when a data transmission is stopped for a
L.RUN
certain period of time.
• Lit when a communication error occurs in the own station and flickers when settings of switch, etc.
are changed while power is on.
L.ERR
• Flickers when the Pr. 542 or Pr. 543 setting is changed.
Turn the power on again or turn the RES signal on. (Refer to page 37, 38.)
Lit during normal operation (5V is supplied in the board) (Lit even in the noncommunication status.)
RUN
Flickers when the master station is CC-Link Ver.1 and the FR-A7NC is CC-Link Ver.2 compatible.
(Refer to page 6.)
SD
Turns off when no data is transmitted.
RD
Lit when receive data is carrier detected.
REMARKS
⋅
Set the station number using Pr. 542 Communication station number (CC-Link). (Refer to page 37.)
⋅
Set transmission baud rate using Pr.543 Baud rate (CC-Link). (Refer to page 38.)
4
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