Westermo MDW-45 HV Industrial RS-232 to RS-422/485 Converter
- 1 x RS-232 Port (9-pin D-sub, 1200 bit/s to 115.2 kbit/s)
- 1 x RS-422/485 Port (4-position detachable screw terminal, 300 bit/s to 115.2 kbit/s)
- Purpose-built DIN rail casing with integral clip
- IP21-rated PC / ABS body material design
- 85.5 to 264 VAC or 88 to 300 VDC power input with Total galvanic isolation
- -40 to +70°C operating temperature range
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Description
The MDW-45 is a simple serial converter allowing RS-232 and RS-422/RS-485 systems to be connected. DIP switches are used for all configuration options, which makes the unit simple to install. The MDW-45 is designed for use in heavy-duty industrial applications. The wide power range, galvanic isolation, transient protection, and the design of the termination and fail-safe guarantees communication in the worst environments. Only industrial-grade components are used, which gives the MDW-45 an MTBF of 1,000,000 hours and ensures a long service life. A wide operating temperature range of –40 to +70°C (–40 to +158°F) is achieved using no moving parts.
The MDW-45 has been tested both by Westermo and external test houses to meet many EMC, isolation, vibration, and shock standards, all to the highest levels suitable for heavy industrial environments and rail trackside applications. The configurable design of the converter makes the MDW-45 suitable for a variety of applications with various speeds and data bit options. Normally RS-485 data direction is controlled by the RS-232 handshaking lines however the MDW-45 also features an automatic turning time function allowing the unit to operate in any application.
You can also find the MDW-45 LV, EDW-100, and EDW-120 models in the Serial Converters and Repeaters.
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Specification
| Interface | |
|---|---|
| 10/100Mb RJ45 (Megabit) Ports | |
| 100BaseFX Ports | |
| Digital Input Channels | |
| Alarm Contact Channels | |
| Magnetic Isolation Protection | |
| Protocols | |
| Serial Interface | |
| Number of Ports | 2 Ports |
| Serial Standards | RS-232, RS-422/485 |
| Connector | 9-pin D-sub male (DTE), 4-position detachable screw terminal |
| Console Port | |
| Serial Communication Parameters | |
| Baudrate | 1 200 bit/s – 115.2 kbit/s |
| Data Bits | 7 or 8 |
| Stop Bits | 1 or 2 |
| Parity | Odd, Even or None |
| Flow Control | - |
| Isolation | - |
| Serial Signals | |
| RS-232 | - |
| RS-422 | - |
| RS-485-4w | - |
| RS-485-2w | - |
| Communication details | |
| Wireless Standards | - |
| Maximum data transfer speed | - |
| Maximum direct range | - |
| General | |
| Management | - |
| Compatible operating systems | - |
| Fixed TTY Drivers | - |
| Linux Real TTY Drivers | - |
| MTBF | MIL-HDBK-217K: 1,000,000 hours |
| Automatic Reboot Trigger | - |
| Power Requirements | |
| Connection | Detachable screw terminal |
| Input Voltage | 95 to 240 VAC, 110 to 250 VDC |
| Input Current | 21 mA @ 95 VAC, 10 mA @ 110 VDC |
| Security | |
| Security | |
| Encryption | |
| Authentication | |
| Features and capabilities | |
| Display | |
| Physical Characteristics | |
| Dimensions | 34 x 123 x 122 mm (1.34 x 4.84 x 4.80) |
| Installation | DIN-rail mounting |
| Standards and Certifications | EMC: EN 61000-6-2, Electromagnetic compatibility – Immunity for industrial environments, EN 61000-6-4, Electromagnetic compatibility – Emission standard for industrial environments; Shock: IEC 60068-2-27; MIL-HDBK-217K; IP21 |
| Housing | PC / ABS |
| Operating Temperature | -40 to +70°C (-40 to 158°F) |
| Storage Temperature | -40 to +70°C (-40 to 158°F) |
| Operation Humidity | 5 to 95% relative humidity |
| Weight | 0.19Kg |
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