Basic Documentation

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Siemens M-bus level converter and M-bus web server A6V11157985_en--_f
Smart Infrastructure 2021-06-21
6.1.2 Level converter WTX631..
The level converter has six LEDs on the front side for indicating
the operating state.
The (green) LED indicates the operational state of the device.
 Flashes at 1 Hz (slowly)  The device functions are set up. No
communication.
 Flashes at 10 Hz (fast)  Device update pending.
 On The device is operational.
The (green) LED indicates the state of data transmission on the M-bus network
(terminals 9 and 10).
 On Data is transmitting.
 Off  No data is transmitting.
The (orange) LED indicates the state of the data reception on the M-bus network
(terminals 6 and 7).
 On Data is being received.
 Off  No data is being received.
The (red) LED indicates a short circuit on the bus, very high traffic or collision rate
The (orange) LED indicates bus load that may prevent correct operation.
 On Bus overload that may prevent correct operation.
 Off  No bus overload recognized.
The (green) LED indicates the state of power supply on the level converter.
 On The device power supply is available.
 Off  The device power supply is not correct or unavailable.
Run
TX M-bus
RX M-bus
Short circuit
Overload
Power