Industrial
Electronic Devices
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User Manual
OPC UA Server / MQTT
Document code: MN67B42_ENG Revision 1.000 Page 9 of 29
LEDS:
The device has got six LEDs that are used to give information of the functioning status.
The various meanings of the LEDs are described in the table below.
LED
Normal Mode
Boot Mode
1: Device State (green)
Blinks slowly (~1Hz)
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
2: OPC UA comm. (yellow)
Flashing:
OPC UA request
OFF:
No OPC UA request
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
3: MQTT comm. (yellow)
Flashing:
MQTT communication
OFF:
No MQTT communication
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
4: Error state (yellow)
ON:
An error has occurred
OFF:
The device is correctly running
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
5: Link Ethernet (green)
ON:
Ethernet cable connected
OFF:
Ethernet cable disconnected
ON:
Ethernet cable connected
OFF:
Ethernet cable disconnected
