MB-CR-64 is microcontroller-based bidirectional M-BUS Master converting M-Bus signal to Modbus RS-485 RTU and or Modbus TCP.
It can supply power to maximum of 64 m-bus slave devices. MB-CR-64 is used as a bridge in building and industrial networks where it is needed to read m-bus devices (tax meters and/or sensors) in Modbus based SCADA systems. It has output short circuit protection on m-bus side.
It is mounted on standard M36 DIN rail.
| Maximum number of M-BUS slave devices | 64 |
| Nominal output voltage (mark) | 35.5 VDC ± 1 V |
| Power supply voltage | 165 – 235 VAC (210 – 270 VDC) |
| Ambient temperature, operating | -20 – +50°C |
| Dimensions (H x W x D) | 105 x 107 x 74 mm |
| IP protection class | IP20 |
| RS-485 RTU Modbus interface baud rate | 300, 1.2K, 2.4K, 4.8K, 9.6K, 19.2K, 38.4K bps |
| TCP Modbus DHCP | Yes, can be turned on or off |
| M-BUS cable length, max. | 600 m |
| Distance between MMCR and farthest M-BUS slave | 300 m |
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