# M-Bus 10 Converters Data Sheet ## M-Bus Converters (C01 - C04)
**C01 C02 C03 C04** **[![image.png](https://doc.redisage.com/uploads/images/gallery/2024-03/scaled-1680-/MKjimage.png)](https://doc.redisage.com/uploads/images/gallery/2024-03/MKjimage.png)** **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 portsSerial1 x passive RS2321 x active RS2321 x RS4851 x active RS232/RS485
M-Bus1 x M-Bus master with up to 10 x slaves
Power Voltage 12-30 VDC / 24 VAC
Power< 1 W
Frame ground connectionyes
Serial interface RS232TxD, RxD, GND
RS485A, B
M-BusMBus+, MBus -
3000 VDC isolation side N/A RS232 RS485 RS232/RS485
1000 VDC isolation sideRS232N/A
Baud rate up to 9600 bps
LED indicatorscommunication Tx, Rx, power
RS232 OKN/A
RS485 termination120 ohm manually enabled
ConnectorRS2323-pin terminal block max. 2.5 mm2 wire
RS4853-pin terminal block max. 2.5 mm2 wire
Power3-pin terminal block max. 2.5 mm2 wire
M-Bus3-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)
RS232max. 15 m at 115.2 kbps
M-Bussee: M-Bus max. transmission distance
Mounting and enclosureDIN rail, plastic PA - UL 94 V0, black/green
Temperatures-40°C to +75°C operating and storage
Humidity10 - 90% RH, non-condensing
ESD protection ±4 kV contact discharge / ±8 kV air discharge
Certification CE, RoHS, EMC, LVD
Norms61000-6-2 - Immunity standard for industrial environments 61000-6-4 - Emission standard for industrial environments
#### M-Bus max. transmission distance [![image.webp](https://doc.redisage.com/uploads/images/gallery/2024-03/scaled-1680-/image.webp)](https://doc.redisage.com/uploads/images/gallery/2024-03/image.webp) ### 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
{{@169}} ### Pin assignments
**C01** **[![image (1).webp](https://doc.redisage.com/uploads/images/gallery/2024-03/scaled-1680-/image-1.webp)](https://doc.redisage.com/uploads/images/gallery/2024-03/image-1.webp)** **C02** **[![image (2).webp](https://doc.redisage.com/uploads/images/gallery/2024-03/scaled-1680-/image-2.webp)](https://doc.redisage.com/uploads/images/gallery/2024-03/image-2.webp)**
**C03** **[![image (3).webp](https://doc.redisage.com/uploads/images/gallery/2024-03/scaled-1680-/image-3.webp)](https://doc.redisage.com/uploads/images/gallery/2024-03/image-3.webp)** **C04** **[![image (4).webp](https://doc.redisage.com/uploads/images/gallery/2024-03/scaled-1680-/image-4.webp)](https://doc.redisage.com/uploads/images/gallery/2024-03/image-4.webp)**
### {{@221#bkmrk-enclosure-dimensions}} {{@221#bkmrk-1u-module-enclosure.}} {{@221#bkmrk-}} {{@168}} SC-D