KonNad C2000-A2-SDD4040-AD1, Руководство пользователя

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1.3. Indicators
Classification Indicator Description Meaning
Digital Input DIx Digital input
indicators (dry
contact)
Steady on：Short to GND
Off：Open
Digital
Output
DOx Digital input
indicators
Steady on：On
Off：Off
Downstream
Serial Port
RXD RS485 data receive
indicator
Steady on：RS485 line fault, please check if the positive
and negative poles of 485 line are reversed
Flashing：RS485 receiving data
Off：RS485 no receiving data
TXD RS485 data
transmit indicator
Flashing：RS485 transmitting data
Off：RS485 no transmitting data
Power PWR Power indicator Steady on：Normal power supply
Off：No power or abnormal power supply, please
check if the voltage range is 9~27VDC
RUN RUN Running indicator Steady on：Device exception
Flashing：Flashes every 1 second when the device is
ready
Off：Device exception
C2000-A2-SDD4040-AD1 User Manual
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