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SCADALink SCADASwitch: Modbus Multiplexer / RS-232 Switch
The SCADASwitch is a datacom interface device for SCADA & industrial control applications where Modbus Multiplexing, RS232 Switching, RS485 Conversion and/or Radio Keying is required.
The SCADASwitch has two RS232 input ports and a RS232/RS485 output. With low power draw, small size, DIN rail mounting, and Class I Div 2 rating it is ideal for use in remote EFM/RTU applications.
Modbus Multiplexing Mode
Allows 2 SCADA Hosts to share single port of a RTU/EFM device. Works for other requests / response protocols (ie. Modbus, Fisher ROC).
RS232 Switch Mode
Allows a configuration computer to connect to an RTU/EFM device without the need to disconnect the SCADA Host.
Modbus Address Translation
Translates Modbus address on Input Port to a different address on Output Port. This feature is useful when the same RTU exists on 2 different SCADA networks and is addressed with different Modbus address on each network.
Modbus Register Write Blocking
Prevent Modbus Writes to PLC/RTU/EFM on a specific Input Port. This feature can be used to grant Read-Only access to a third party SCADA host.
RS232 Radio Keying
Allows an RTU with nohandshaking signals to key a radio.
Converts RS-232 to RS-485.
Custom Protocol Conversion
Upon special request, Bentek Systems can develop custom protocol conversion firmware for SCADASwitch (ie. to enable Modbus protocol for specialized devices).
Features & Specs
Features & Specs
- Two RS232 Input (1 DB9)
- Simultaneous RS232 & RS485 (2/4 Wire) Output
- 1200BPS – 115KBPS Baud
- 10-30VDC Operation
- Low Current Draw – 6ma @ 12VDC
- Class I Div 2
- -40 to 70 C Operation
- DIN Rail Mount
- Configuration via RS232 Terminal
- PLC, RTU, EFM, Power Meter, Data Logger
- Pipeline SCADA
- Oil & Gas RTU/EFM SCADA