Industrial
Electronic Devices
ADFweb.com S.r.l.
User Manual
IO-Link Slave / Modbus TCP Master
Document code: MN67963_ENG Revision 1.000 Page 12 of 30
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
Blinks slowly (~1Hz)
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
2: IO-Link communication
OFF:
IO-Link power supply not present
ON:
IO-Link power supply OK, but no communication
Blinking:
IO-Link powered and communicating
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
3: Modbus TCP
communication
It blinks when a Modbus response is received
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
4: Error state
OFF:
no errors
ON:
at least one Modbus TCP request has not correct
response from slaves
Blinks quickly:
Boot state
Blinks very slowly (~0.5Hz):
update in progress
5: UA supply active (only for
Class B version)
OFF:
UA power supply not present
ON:
UA power supply present
OFF:
UA power supply not present
ON:
UA power supply present
