The MR-DI4 Modbus RTU is suitable for detecting potential-free switch states, for example electrical limit switches on vent valves or auxiliary contacts of power contactors. The inputs can be operated by means of potential-free switches or contacts or used as voltage inputs. 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, Input |
| Manufacturer | METZ Connect |
| Bus | Modbus RTU |
| Inputs | 4 x contact or voltage |
| Input / high signal | more than 7 V AC/DC |
| Relative duty cycle | 100 % |
| Transmission rate | 1200 to 115200 baud |
| Mounting | Snap mounting on DIN rail according to DIN EN 50022 |
| EAN-No | 4250184135647 |
