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M-Bus 10 Converters Data Sheet

M-Bus Converters (C01 - C04)

C01 C02 C03 C04

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Features

  • Serial ports RS232 and RS485
  • Up to 10 simultaneously connected slave devices
  • ESD protection for the RS232/485 data line
  • 3000 VDC isolation protection
  • Power supply: +12 to +30 VDC or 24 VAC
  • Transmission speed up to 9600 bps
  • Tx, Rx and power LED indicators
  • RS485 embedded termination 120 ohm
  • Operating temperatures: -40°C to +75°C
  • DIN-rail mounting
  • Compact size - single module format (1M)
  • Dimensions: 90x56.4x17.5 mm
  • 3 years warranty
  • Customization of OEM is welcomed

Introduction

C01 - C04 family products are reliable M-Bus electrical standard converters. They enable communication in master mode with up to 10 simultaneously connected slave devices. Dedicated EMC integrated circuits guarantee improved connection quality by limiting the impact of interferences typical for an industrial environment.

Specifications

Redisage PN

C01

C02

C03

C04

Converter ports Serial 1 x passive RS232 1 x active RS232 1 x RS485 1 x active RS232/RS485
M-Bus 1 x M-Bus master with up to 10 x slaves

Power

Voltage

12-30 VDC / 24 VAC

Power < 1 W
Frame ground connection yes

Serial
interface

RS232 TxD, RxD, GND
RS485 A, B
M-Bus MBus+, MBus -

3000 VDC isolation side

N/A

RS232

RS485

 RS232/RS485

1000 VDC isolation side RS232 N/A

Baud rate

up to 9600 bps

LED indicators communication Tx, Rx, power
RS232 OK N/A
RS485 termination 120 ohm manually enabled
Connector RS232 3 pin terminal block max. 2.5 mm2 wire
RS485 3 pin terminal block max. 2.5 mm2 wire
Power 3 pin terminal block max. 2.5 mm2 wire
M-Bus 3 pin terminal block max. 2.5 mm2 wire

Transmission
distance

RS485

max. 1,200 m at 9.6 kbps; max. 400 m at 115.2 kbps
(Belden 9841 2P twisted-pair cable, if different cables are used,
the transmission distance may change)

RS232 max. 15 m at 115.2 kbps
M-Bus see: M-Bus max. transmission distance
Mounting and enclosure DIN rail, plastic PA - UL 94 V0, black/green
Temperatures -40°C to +75°C operating and storage
Humidity 10 - 90% RH, non-condensing

ESD protection

±4 kV contact discharge / ±8 kV air discharge

Certification  CE, RoHS

M-Bus max. transmission distance

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Variants

C01 - MBus10 Converter to RS232

C02 - MBus10 Converter with active RS232 interface

C03 - MBus10 Converter to RS485

C04 - MBus10 Converter to RS232/RS485 with active RS232 interface

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Pin assignments

C01

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C02

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C03

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C04

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dimensions

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1U Module Enclosure.

98 x 56.4 x 17.5

Units: mm.

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