Industrial
Electronic Devices
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User Manual
NMEA2000 / Modbus TCP Slave
Document code: MN67225_ENG Revision 1.100 Page 10 of 30
LEDS:
The devices has got four (five for HD67225-B2) 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: NMEA Communication
(green)
Blinks when configured NMEA frames are
received
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
2: Ethernet Link (green)
ON:
Ethernet cable connected
OFF:
Ethernet cable disconnected
ON:
Ethernet cable connected
OFF:
Ethernet cable disconnected
3: Modbus Communication
(green)
Blinks when Modbus TCP requests are received
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
4: Device State (yellow)
Blinks slowly (~1Hz)
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
5: Not used (yellow) (Present
only on HD67225-B2)
OFF
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress