Industrial
Electronic Devices
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User Manual
BACnet Slave / PROFINET Master
Document code: MN67B81_ENG Revision 1.000 Page 12 of 32
LEDS (for HD67B81-MSTP-A1/B2):
The device has got four LEDs (five the –B2 version) that are used to give information about the functioning status.
The various meanings of the LEDs are described in the table below.
LED
Normal Mode
Boot Mode
1: Device State
Blinks slowly (~1Hz)
ON:
Device powered
OFF:
Device not powered
2: Ethernet Link
ON:
Ethernet cable connected
OFF:
Ethernet cable disconnected
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
3: BACnet comm.
Blinks quickly when receive BACnet requests
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
4: PROFINET comm.
Blinks quickly when PROFINET communication is
running
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
5: Not Used
OFF
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress