Leds - ADF Web HD67021-B2-20 User Manual

Industrial Electronic Devices

LEDS:

The HD67021-B2-xxx / HD67022-B2-xxx 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
1: Device State (green)
2: Serial communication
(yellow)
3: M-Bus communication
(yellow)
4: M-Bus error (yellow)
5: Ethernet Link (green)
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Normal Mode
Blinks slowly (~1Hz)
Blinks when a M-Bus request on serial is received
Blinks when a M-Bus response on M-Bus is received
ON: error on M-Bus response
OFF: error not present
ON: Ethernet cable connected
OFF: Ethernet cable disconnected
User Manual M-Bus / RS232 / RS485
Document code: MN67021_ENG Revision 2.100
Boot Mode
Blinks quickly: Boot state
Blinks very slowly (~0.5Hz): update in progress
Blinks quickly: Boot state
Blinks very slowly (~0.5Hz): update in progress
Blinks quickly: Boot state
Blinks very slowly (~0.5Hz): update in progress
Blinks quickly: Boot state
Blinks very slowly (~0.5Hz): update in progress
ON: Ethernet cable connected
OFF: Ethernet cable disconnected
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