Industrial
Electronic Devices
ADFweb.com S.r.l.
User Manual
Modbus Slave / Modbus TCP Master
Document code: MN67510_ENG Revision 2.100 Page 11 of 33
LEDS:
The devices has got four (five for HD67510-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: Device state
Blinks slowly (~1Hz)
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
2: Ethernet Link
ON:
Ethernet cable connected
OFF:
Ethernet cable disconnected
ON:
Ethernet cable connected
OFF:
Ethernet cable disconnected
3: Serial communication
Blinks when are received Modbus response
frames (RS232/RS485)
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
4: Modbus TCP
communication
Blinks when are received Modbus TCP request
frames
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
5: Not used (present only on
HD67510-B2)
OFF
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
