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Indicators
USB activity
The LED indicates the USB interface connection state.
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Flashes 2 x -> The device is ready to connect to a PC using a mini USB-B cable.
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Flashes 5 x -> The device is connected to a PC and correctly recognized by it.
TXD
The LED indicates the transmission state on the M-bus master (terminals 6 and 7).
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On -> Data transmitting.
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Off -> No data transmission.
RXD
The LED indicates the receive state on the M-bus master (terminals 6 and 7).
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On -> Data is being received.
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Off -> No data is being received.
M-bus error
The LED indicates the state of the M-bus power supply.
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On -> Bus overload. (short circuit or too many devices on the bus).
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Off -> No faults recognized.
M-bus ready
The LED indicates that bus power is correct and there are no anomalies.
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On -> Bus power is properly polled and sufficient for trouble-free operation.
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Off -> Bus power is insufficient for trouble-free operation.
Power
The LED indicates the state of the level converter power supply.
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On -> The device power supply is correct.
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Off -> Device power is not correct or unavailable.
Smart Infrastructure
The level converter has six LEDs on the front side for indicating the
operating state.
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A6V10844290_en--_b
2019-10-21
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