domestic and industrial automation

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Voltage measurement transducer MB-1U-1

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Voltage measurement transducer MB-1U-1

Reference: MAX-MB-1U-1, EAN13: 5908312595328

Product description

With Modbus RTU.
The transmitter MB-1U-1 is designed to measure the voltage and exchange data using the RS-485 port in accordance to MODBUS RTU protocol.

Functioning
The module measures the value of input voltage (AC or DC voltage circuit). Reading the value of the input voltage and setting all parameters of communication are realised by the user via RS-485, using MODBUS RTU communication protocol.
Switching power supply voltage is indicated by a green LED U. The correct exchange of data between the module and the second device is indicated by a yellow LED Tx.
The transmitter measures the RMS voltage TrueRMS, which ensures high measurement accuracy even with distorted waveforms.

Reset communication settings
Under cover is available code switch.
Details of resetting available in the instructions below.

Power supply voltage	9÷30 V DC
WE-WY breakthrough voltage	3 kV
ports	RS-485
Communication protocol	MODBUS RTU
The type of work	SLAVE
Baudrate	1200÷115200 bit/s
Data bits	8
Stop bits	02-sty
Bits of parity	EVEN / ODD / NONE
Address	1÷247
Maximum measuring error	0,50%
Processing error	±0,5%
Measurement range TrueRMS - alternating AC voltage	0÷285 V
Measurement range TrueRMS - DC voltage	0÷400 V
Power consumption (max)	50 mA
Precision of reading the register	1 V
Sampling frequency	10 Hz
Relative air humidity (for 30	85%
Terminal	pluggable terminal blocks 2,5 mm²
Tightening torque	0,4 Nm
Dimensions	1 module (18 mm)
Assembly	on rail 35 mm
Ingress Protection Marking	IP20