Industrial
Electronic Devices
ADFweb.com S.r.l.
User Manual
Modbus Master / MQTT
Document code: MN67933_ENG Revision 1.101 Page 14 of 45
LEDS:
The device has got five 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: MQTT communication
(yellow)
Blinks when MQTT communication is running
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
3: Modbus communication
(yellow)
Blinks when Modbus communication is running
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
4:Modbus error (yellow)
Turns ON when an error occurs
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
5: Ethernet Link (green)
ON:
Ethernet cable connected
OFF:
Ethernet cable disconnected
ON:
Ethernet cable connected
OFF:
Ethernet cable disconnected
