Siemens SENTRON 3WA1 - Page 155

Description
2.8 Communication and system connection
3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
153
Description of the status displays (normal operating states)
LED
Indication
Description
ACT
Green
Normal operation
Off
Module not active
Flashing green
LED display is in combination mode (see section Special
operating states)
CUB
Green
CubicleBUS
2
nodes active
Red
CubicleBUS
2
communication disturbed
Flashing red
Address conflict on the CubicleBUS
2
:
Two COM modules have been configured for the same role or
there is only one COM B and no COM A.
Off
No CubicleBUS
2
nodes active
RTU
Green
Modbus telegram received with correct checksum and
address of the device
Off
No communication with Modbus client
Description of the status displays (special operating states)
Indication
LED
Description
ACT
CUB
RTU
ACT and CUB are
flashing green
alternately.
RTU is off.
Visual identification of the COM150 communications module
is active.
Visual identification can be activated in the SENTRON
powerconfig configuration software (blink mode).
The identification ends automatically after 10 seconds. You
can terminate identification before this time by pressing the
function button.
ACT and CUB are
flashing red
alternately.
RTU flashes red.
Serious device fault.
The COM150 communications module is not operational and
may need to be replaced.
ACT flashes green.
CUB and RTU are off.
Restricted operation.
The COM150 communications module is starting up.
All LEDs light up
orange.
The device is restarting after a reset or after the auxiliary
voltage has been switched on.
The display is on for 1 second.