Four-channel pulse meter F&F MAX-MB-LI-4HI, inputs 160-265V AC/DC, Modbus RTU RC-485 output for the DINO bus.

The 4-channel pulse meter is used for measuring AC/DC signals generated by external devices, in order to determine the number of cycles performed and the exchange of data via the RS-485 port according to the MODBUS RTU protocol.

• 4 independent meter inputs customized to work with AC/DC signals.
• Signal coefficient adjustment (moving decimal value).
• Scaling value (number of pulses × coefficient).
• Status trigger selection 1: high or low voltage level.
• Input pulse edge selection (rising or falling).
• Frequency filter that allows limiting the maximum frequency of counted pulses.
• Digital input mode.

The MB-LI-4 unit is a unidirectional 4-channel meter. Each channel is independent and counts pulses according to individual settings. The results are presented in the form of the number of pulses and the scaled value in the range from 0 to ~4.29 billion.

The unit has configurable options for pulse measurement with low (0V) or high (V+) signal and rising or falling edge.

The reading of counted pulse values, scaled values, and the adjustment of all measurement, communication, and data exchange parameters is done via the RS-485 port using the MODBUS RTU communication protocol.

The activation of the power supply voltage is indicated by the green U LED. The correct data exchange between the unit and the second device is indicated by the yellow LED Tx.