The Modbus module with 4 digital inputs was developed for decentralized switching tasks. It 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. The inputs can be scanned by means of standard registers via a Modbus master. Module address, bit rate and parity are set with 2 rotary switches on the front or by software. Suitable for decentralized mounting on DIN TH35 rail according to IEC 60715 in electrical distribution cabinets.
- Connection with screw type terminal blocks
Resources
Specifications
General Data | Protocol | Modbus RTU |
| Address range | 00 to 99 |
| Bus interface | RS485 (two-wire bus) |
| Transmission rate | 1200 to 115200 bit/s |
| Operating voltage | 24 V AC/DC +/- 10 % (SELV) |
| Current consumption | 50 mA (AC) / 20 mA (DC) |
| Relative duty cycle | 100 % |
| Inputs | 4 x digital |
| Input / voltage | 30 V AC/DC |
| Input / high signal | more than 7 V AC/DC |
| Display | Green, red and yellow LED |
| Dimensions (W x H x D) | 35 x 69.3 x 60 mm |
| Weight | 95 g |
| Operating temperature range | -5 °C to 55 °C |
| Storage temperature range | -20 °C to 70 °C |
| Ingress protection for housing / terminal blocks | IP40 / IP20 |
