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FnIO MODBUS Adapter NA-9171, NA-9173
FnIO S-Series
Copyright(C) CREVIS Co.,Ltd Support +82-31-899-4599 URL : www.crevis.co.kr
2.3.
LED Indicator
2.3.1.
Module Status LED (MOD)
State
LED is :
To indicate :
No Power
Off
No power is supplied to the unit.
Device Operational
Green
The unit is operating in normal condition.
Device in Standby
Flashing Green
The device needs commissioning due to configuration missing,
incomplete or incorrect.
MODBUS Error
Green/Red Toggle
MODBUS error such as watchdog error, CRC/LRC error, Setup
dip switch, error, etc.
Minor Fault
Flashing Red
Recoverable Fault
- EEPROM sum check error.
Unrecoverable Fault
Red
The device has an unrecoverable fault.
- Memory error or CPU watchdog error.
2.3.2.
Received Data LED (RXD)
State
LED is :
To indicate :
Not Powered
Off
Device is not on-line or may not be powered
Adapter received
correct message frame
Flashing Green
Adapter (Slave) received correct frame which address to the slave
or broadcast.
About 20msec flashing.
2.3.3.
Transmit Data LED(TXD)
State
LED is :
To indicate :
Not Powered
Off
Device is not on-line or may not be powered
Adapter transmit frame
Flashing Green
Adapter (Slave) transmit frame.
About 20msec flashing.
