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
| Category | I/O components, Mixed |
| Manufacturer | METZ Connect |
| Bus | Modbus RTU |
| Input/Output | 4x digital input, 2x digital out (10A) |
| 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 | 10 A / output |
| Output / switch-on current | 80 A (less than 20 ms) |
| Transmission rate | 1200 to 115200 baud |
| Ingress protection for housing / terminal block | IP65 / IP20 |
| EAN-No | 4250184135630 |