Mitsubishi Electric L26CPU-BT User Manual page 25

Number Name
LED indicators
1)
Station type and ON/OFF status of the "MST" and "S MST" LEDs
Operating as a master station (data link control)
Standby master
Master station
station
MST MST
S MST S MST
The data link status can be checked with each ON/OFF status.
LED name
On : Operating normally
RUN
Off : Hardware error or watchdog timer error
L RUN On: Data link is being executed
MST On: Operating as a master station. (in data link control)
S MST On: Operating as a standby master station. (in standby status)
SD On: Data being sent
RD On: Data being received
On: All stations have a communication error
This LED also turns on when the following errors occur.
• There are more than one master station on the same line.
• There is an error in the parameter settings.
• The data link monitoring timer was activated.
• The cable is disconnected.
ERR.
• The transmission path is affected by noise.
To check the source of the error, refer to
Or, refer to
display status).
Flashing: A communication error station identified, or remote station No.
duplicated.
On: Communication error (host)
L ERR. Flashing: The terminating resistor is not attached. The module or CC-Link
Ver.1.10 compatible cable is affected by noise.
On: Operating at the indicated transmission speed.
B RATE All off: Transmission speed auto-tracking
(When succeeded, the LED of the followed transmission speed turns on.)
The module station number setting is indicated.
<Range>
Master station: 0 (All off)
Local station and standby master station : 1 to 64
(Example) When the station number 15 is indicated
STATION
NO.
Operating status
Local station Master station
MST
S MST
Description
Description
Page 358, Section 15.3.
Page 416, Appendix 3.2 for details on SW0058 (detailed LED
: On : Off
10 5
10 + 5 = 15
Operating as a standby master station (standby)
Standby master
station
MST MST
S MST S MST
CHAPTER 2 PART NAMES
Local station
MST
S MST
: On, : Off
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