PHOENIX CONTACT PSM-ME-RS232/RS485-P 2744416
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PHOENIX CONTACT PSM-ME-RS232/RS485-P (2744416) Technical Specifications
PHOENIX CONTACT PSM-ME-RS232/RS485-P is an industrial-grade isolated interface converter designed to convert RS-232 communication to RS-422/RS-485 networks.
General Specifications
| Specification | Value |
|---|---|
| Product Model | PSM-ME-RS232/RS485-P |
| Order Number | 2744416 |
| Product Type | Interface Converter |
| Conversion Type | RS-232 ↔ RS-422 / RS-485 |
| Number of Channels | 2 |
| Mounting Type | DIN rail mounting |
| Galvanic Isolation | Yes |
| Isolation Voltage | 1.5 kV AC |
| Protection Rating | IP20 |
| Power Consumption | 2.04 W |
| Weight | Approx. 196 g |
| Housing Material | PA 6.6-FR |
| Housing Color | Green (RAL 6021) |
Power Supply Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 19.2 … 28.8 V AC/DC |
| Nominal Supply Voltage | 24 V AC/DC ±20% |
| Typical Current Consumption | 25 mA @ 24 VDC |
Communication Specifications
| Specification | Value |
|---|---|
| RS-232 Standard | ITU-T V.28 / EIA-TIA-232 |
| RS-422 Standard | ITU-T V.11 / EIA-TIA-422 |
| RS-485 Standard | EIA/TIA-485 |
| Maximum Transmission Speed | 115.2 kbps |
| Supported Baud Rates | 1.2 … 115.2 kbps |
| Maximum RS-232 Distance | 15 m |
| Maximum RS-485 Distance | 1200 m |
| Operating Modes | RS-485 2-wire half duplex / 4-wire full duplex |
| Data Direction Control | Automatic or RTS/CTS |
| Protocol Support | Transparent protocol / Modbus |
| Bit Delay | ≤ 2.5 µs |
| Bit Distortion | ≤ 5% |
Connections
| Interface | Connection Type |
|---|---|
| RS-232 | D-SUB 9 |
| RS-422/485 | Pluggable screw terminal |
| Power Supply | COMBICON screw terminal |
Environmental Specifications
| Parameter | Value |
|---|---|
| Operating Temperature | -40°C … +70°C |
| Storage Temperature | -40°C … +85°C |
| Humidity | 10% … 95% |
| Maximum Altitude | 5000 m |
EMC and Protection Features
| Feature | Value |
|---|---|
| ESD Protection | ±6 kV contact / ±8 kV air |
| Surge Protection | ±1 kV data line |
| Burst Protection | ±2.2 kV |
| EMC Standards | EN 61000-6-2 / EN 61000-6-4 |
Key Features
- RS-232 to RS-485 / RS-422 conversion
- 3-way galvanic isolation
- Supports 2-wire and 4-wire RS-485 operation
- Automatic transmit/receive switching
- Integrated surge protection
- Suitable for Modbus applications
- Industrial DIN rail design
- Communication distance up to 1200 meters
