User Manual
7
Smart Infrastructure A6V11742346_en--_b
2020-08-24
Indicators
The level converter has six LEDs on the front side for indicating the operating state.
Run
TX M-Bus
RX M-Bus
Short Circuit
Overload
Power
Run…
The (green) LED indicates the operational state of the device.
● Blinking at 1 Hz (slow) -> Device functions are being set up. No communication.
● Blinking at 0 Hz (fast) -> Device update pending.
● On -> The device is operational.
TX M-bus
The (green) LED indicates the transmission state on the M-bus network (terminals 9 and 10).
● On -> Data is transmitting.
● Off -> No data is transmitting.
RX M-bus
The (orange) LED indicates the receive state of data on the M-bus network (terminals 6 and
7).
● On -> Data is being received.
● Off -> No data is being received.
Short circuit
The (red) LED indicates a short circuit on the bus, very high traffic, or a collision.
Overload
The (orange) LED indicates a bus overload that may prevent correct operation.
● On -> Bus overload that may prevent correct operation.
● Off -> No bus overload recognized.
Power
The (green) LED indicates the state of the level converter power supply.
● On -> The device power supply is correct.
● Off -> Device power is not correct or unavailable.