MR-DIO4/2 Modbus RTU sensor/actuator module with 4 digital inputs (for example for light switches and window contacts in a room) and 2 relay outputs for switching two light strips or controlling louvers. It can also be used to control 2 motorized fire dampers. Modbus RTU, RS485 (two-wire bus), Supply voltage 20 V to 28 V AC/DC. Connection with screw type terminal blocks.
| Category | I/O components, Mixed |
| Manufacturer | METZ Connect |
| Bus | Modbus RTU |
| Input/Output | 4x digital input, 2x digital out (16A) |
| Input voltage | 30 V AC/DC |
| Input high signal | more than 8 V AC/DC |
| Digital output | 2 changeover contacts (DPST) |
| Switching voltage | 250 V AC |
| Continuous current | 16 A / output |
| Output / switch-on current | 80 A (less than 20 ms) |
| Transmission rate | 1200 to 115200 baud |
| Mounting | Snap mounting on DIN rail according to DIN EN 50022 |
| EAN-No | 4250184135623 |
