Performing The Data Link; Confirming The Operation With The Led Display - Mitsubishi MELSEC Q Series User Manual

11 COMMUNICATION BETWEEN THE MASTER STATION AND LOCAL
STATIONS

11.2.5 Performing the data link

Module is normal
Controlling data link
Sending data
Module is normal
Sending data
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Turn on the power to the local station first, and then turn on the power to the master
station to start the data link.

(1) Confirming the operation with the LED display

The following diagram shows the LED display status of the master station and
the local station when the data link is being performed normally.
(a) LED display of the master station
Make sure that the LED display shows the following status:
QJ61BT11N
RUN
MST
ERR.
(b) LED display of the local station
Make sure that the LED display shows the following status:
QJ61BT11N
RUN
MST
ERR.
L RUN
S MST
SD RD
L ERR.
L RUN
S MST
SD RD
L ERR.
MELSEC-Q
: On : Off
The data link is being performed
normally
Receiving data
: On : Off
The data link is being performed
normally
Receiving data
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