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No.
Name
(1)
LED display
*1
When the module is operated in the synchronous mode, the LED may be lit
dimly.
*2
When all stations are in error, changes on switches may not be detected.
Data link status can be checked from the LED on status.
LED name
ON :
Module is normal.
RUN
OFF:
Watchdog timer error.
ON
ERR.
Flashing:
MST
ON:
Set as a master station.
S MST
ON:
Set as a standby master station.
LOCAL
ON:
Set as a local station.
ON:
Communicating with programmable
CPU R/W
controller CPU. (FROM/TO)
SW
ON:
Switch setting error.
ON:
Master station already exists on the same
line.
Flashing:
M/S
E
Occupied station count overlapping
R
(With the exception of the first station number
R
overlapping)
O
PRM
ON:
Parameter setting error.
R
ON:
Cable disconnection, or no response from all
TIME
stations due to noise in a communication
path.
ON:
Cable disconnection, or transmission path is
LINE
affected by noise, etc.
L RUN
ON:
In data link. (host) *1
ON:
Communication error (host).
Flashing at regular intervals:
The setting(s) of switches (2) to (5) was
changed while the power was on. *2
L ERR.
Flashing at irregular intervals:
Terminating resistor is not connected, or
module and/or CC-Link dedicated cable is
affected by noise.
156K
ON:
Transmission speed is set to "156kbps".
B
625K
ON:
Transmission speed is set to "625kbps".
R
A
2.5M
ON:
Transmission speed is set to "2.5Mbps".
T
5M
ON:
Transmission speed is set to "5Mbps".
E
10M
ON:
Transmission speed is set to "10Mbps".
TEST
ON:
Offline test in progress.
T
S0
E
S
S1
(Not used)
T
S2
SD
ON:
Sending data.
RD
ON:
Receiving data.
6
Description
Description
:
Communication error at all stations.
Communication faulty station exists.
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