M-Bus Mini-Master

Article number: USB-MBUS-4

The M-Bus Mini-Master communication interface USB-MBUS-4 allows data transfer between devices with USB interface (e.g. PC, notebook, handheld terminal) and meters or other devices with M-Bus slave interface according EN 13757-2.

Electrical specifications
  • M-Bus Mini-Master (level converter) according EN 13757-2 with USB connection
  • Two LEDs indicating the operatring condition and data traffic in transmit and receive direction
  • Data rate up to 19200 baud
  • Echo suppression
  • Powered from USB interface
  • No external power supply required
  • Bus voltage 30 V
  • Up to 32 M-Bus slaves (32 UL) can be connected
  • Suitable for high capacitive load (cable length of several 100 m)
  • Continuous short circuit protection
  • Reverse polarity protection
Mechanical specifications
  • Dimensions: 52x40x14 mm
  • 2.0 m USB cable
  • 0.7 m M-Bus cable 2 pole with brass pins 0.9 mm
LEDs - Indication of operating conditions

a - green LED lights slightly
     USB voltage is present
     > not ready <

b - orange LED lights slightly
     USB driver installed
     > ready <

c - green LED flashes bright
     M-Bus Mini-Master receives data
     > receiving data <

d - orange LED flashes bright
     M-Bus Mini-Master sends data
     > sending data <

M-Bus Mini-Master with standard connecting cable
[USB-MBUS-4]
M-Bus mini master with Phoenix Contact connecting cable
[USB-MBUS-4/02]
USB Interfaces - Options

Optionally we deliver the ZETA USB Interfaces  with customized connector and/or individual cable length.

 

 

 

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