Product Overview
2744429 is a PSM-ME-RS485/RS485-P repeater for RS-485 2-wire bus systems. The repeater was developed for the high requirements of field bus systems. The device is snapped onto standard DIN rails in the control cabinet and supplied with 24V DC or AC. Users can use the repeater in all common 2-wire bus systems: Modbus, RACKBUS (Endress &Hauser), SUCONET-K (Moeller), UNI-TELWAY (Telemecanique), DANBUS (Danfoss), RS-BUS (Landis & Staefa), NET 2000 (B&R), INSUM (ABB), J-BUS (Merlin Gerin), ET-WAY (Jetter), S-BUS (SAIA) and around 60 more company-specific bus systems. Possible applications include electrical isolation and bus segmentation, increasing system availability, increasing the range, increasing the transmission speed, extending the number of devices, creation of mixed and network structures.
- Supports all popular 10/11-bit UART data formats
- Automatic transmit/receive changeover
- Integrated, connectable termination resistors
- High-quality 3-way isolation between all interfaces
- Integrated surge protection with transient discharge to the DIN rail
- Plug-in screw connection terminal blocks
- 3-way isolation, rail mountable
- IP20 degree of protection
- Dimension (W/H/D) is 22.5mm x 99mm x 114.5mm
- Ambient operation temperature range from -40°C to 70°C
Product details
| Signal Conditioner Input |
- |
| No. of Output Channels |
- |
| Supply Voltage |
24V |
| Isolation Input |
Isolated |
| SVHC |
Lead (04-Feb-2026) |
| Signal Conditioner Output |
- |
| Accuracy % |
- |
| Signal Conditioner Mounting |
DIN Rail |
| Product Range |
- |
Other details
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