# M-Bus 10 Converters Data Sheet ## M-Bus Converters (C01 - C04)
**C01 C02 C03 C04** **[](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 |
**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, EMC, LVD | ||||
Norms | 61000-6-2 - Immunity standard for industrial environments 61000-6-4 - Emission standard for industrial environments |
**C01** **[](https://doc.redisage.com/uploads/images/gallery/2024-03/image-1.webp)** | **C02** **[](https://doc.redisage.com/uploads/images/gallery/2024-03/image-2.webp)** |
**C03** **[](https://doc.redisage.com/uploads/images/gallery/2024-03/image-3.webp)** | **C04** **[](https://doc.redisage.com/uploads/images/gallery/2024-03/image-4.webp)** |