• Maximum number of M-Bus devices: 250
• RS485 transmission direction: automatic
• M-Bus short connection protection: yes
• Power supply: 90-250V ~, 50-60Hz
• Mounting type: on DIN rail

• Water/Heat metering
• Electricity metering
• Gas metering
• Residential monitoring
• Commercial monitoring
• Industrial monitoring

The M-Bus Master / M-Bus Converter is designed to convert M-Bus signals to RS232/RS485 and vice versa. It supports up to 250 M-Bus devices.

• Description: M-Bus Master/Converter (M-Bus - RS232/RS485)
• RS232: Up to 15 m, speed up to 9600 baud
• RS485: Automatic direction choice, max 32 transceivers, speed up to 9600 baud
• M-Bus: Supports up to 250 devices
• Power Supply: 90-250V~, 50-60Hz
• Over-voltage Protection: >1000V
• Power Consumption: 300mA MAX
• M-Bus Line Power: Mark 36-40V, Space 24-27V
• Adjustment to M-Bus Loads: Automatic
• M-Bus Short Circuit Event Current: ≥500mA
• M-Bus Short Circuit Reaction Time: Configurable, 1-4s
• Recovery After Short Connection: Configurable, 10-60s

• Dimensions: 105x75x45 mm
• Weight: 170 g
• Mounting Type: On DIN rail
• Protection Type: IP20

• Operating Temperature: -20 to +50°C
• Storage Temperature: -50 to +70°C
• Humidity Range: 5 – 95%, non-condensing

• Off Line: M-Bus not loaded (ON)
• Overload: M-Bus short connection
• Operating: M-Bus power (ON/Off)
• RXD: M-Bus data transfer
• TXD: M-Bus data receive

• Electromagnetic Compatibility: EN 55022:2010, EN 55024:2010, EN 61000-4-2:2009, EN 61000-4-3:2006, EN 61000-4-3:2006/A1:2008, EN 61000-4-3:2006/A2:2010, EN 61000-4-4:2004, EN 61000-4-4:2004/A1:2010, EN 61000-4-6:2009
• Safety: EN 60950-1:2006+A1:2010+A11:2009+A12:2011

• Warranty Period: 2 years