Modbus RTU Slave to M-Bus Master Gateway

GW-7828

Modbus RTU Slave to M-Bus Master Gateway

  Price:  $459.00  

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Features

CE FCC RoHS WEEE

  • Supports M-Bus standard: EN-13757, CJ/T -188
  • Supports Modbus RTU function code 0x03 and 0x04 to read Meter data
  • Baud rate: Adjustable by rotary switch from 300 to 115200 bps
  • Supports up to 100 M-Bus slaves
  • M-Bus over current protection
  • Short-circuit protection on the M-Bus
  • Update firmware from serial port
  • Provides PWR, MTX and MRX 3 LED indicators

The M-Bus ("Meter-Bus") is a standard for remote reading of meters. It is usable for most types of consumption meters as well as for various sensors and actuators. The GW-7828 is specially designed for M-Bus slave device. It offers Modbus RTU communication by three kinds of interface, RS-232, RS-422 and RS-485. On hardware the GW-7828 has two rotary switches for serial port and M-Bus port baud rate. GW-7828 supports Modbus RTU function code 0x03 and 0x04 to read data of M-Bus meters. Through this design, it is easy to communicate with any standard M-Bus slave.

application

Applications

application

Specifications

COM Ports
Ports 1 x RS-232
1 x RS-422 (can't be used simultaneously)
1 x RS-485
Baud Rate 300 bps ~ 115200 bps
Parity None, Even, Odd, Space, Mark
Data Bit 5, 6, 7, 8
Stop Bit 1, 2
M-Bus
Baud Rate 300 bps ~ 2400 bps
Data Bit 5, 6, 7, 8
Stop Bit 1, 2
Parity None, Even, Odd, Space, Mark
Isolation 3750 Vrms for photo-couple
Current Protection short-circuit protection
Power
Consumption 1.8 W @ 24 VDC (with 1 slave device)
11.8 W @ 24 VDC (with 100 slave devices)
Mechanical
Dimensions (mm) 72 x 122 x 33 (W x L x D)
Installation DIN-Rail
Environmental
Operating Temperature -25°C ~ +60°C
Storage Temperature -40°C ~ +80°C
Humidity 10 ~ 90% RH, Non-condensing

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