Checking The Data Link Status - Mitsubishi Electric MELSEC iQ-R Series User Manual

Checking the data link status

Check whether data link is normally performed between the master station and local station after setting parameters for both
of the stations.
1.
Power on the local station, then master station to start data link.
2.
When the LEDs are in the following states, data link is being performed normally.
• LEDs on the master station
LED
RUN
ERR.
MST
S MST
156K
625K
2.5M
5M
10M
L RUN
L ERR.
SD
RD
*1 The LEDs may look dimly lit or off depending on the communication status.
• LEDs on the local station
LED
RUN
ERR.
MST
S MST
156K
625K
2.5M
5M
10M
L RUN
L ERR.
SD
RD
*1 The LEDs may look dimly lit or off depending on the communication status.
Status
On
Off
On
Off
On
Off
On
Off
*1
Flashing
Status
On
Off
On
Off
On
Off
*1
Flashing
3.2 Example of Communications Between a Master Station and a Local Station
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