Port-powered Isolated RS-232 to RS-485 converter

In stock (4 items available)
  • Weight
    0.05 kg
  • SKU
    TOD-008

Port-powered, opto-isolated RS-232 to RS-485 converter. DE-9 female connector on the RS-232 side, DE-9 male or screw terminals on the RS-485 side. Optical isolation protects devices from transient surges and ground loops.

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The SW485WA is an industrial grade bidirectional, isolated port-powered RS-232 to RS-485 converter. It can convert any standard full duplex RS232C port to any two-wire balanced half duplex RS-485 port or four-wire balanced full duplex RS-422 port.

The unit is powered from the RS-232 data lines. It also supports data direction auto-turnaround so no external power or flow control is required.

The data direction auto-turnaround automatically enables the RS-485/RS-422 driver when data is present on the RS-232 side making the device plug-and-play, requiring no software drivers.

The SW485C has a DB9 female connector on the RS-232 side and either a DE-9 male connector or 3-way terminal block on the RS-485 side.

  • Optical isolation effectively protects RS-232/RS-485 devices from transient surges, ground loop, and lightning
  • Plug-and-Play, small volume, easy installation
  • Port-powered, high efficiency obtain electricity, can also worked on 3 lines
  • RS-232 to RS-485 or RS-232 to RS-422
  • Low power consumption
  • Automatic send data control, auto distinguish and sense direction adopt data transfer
  • Auto sense serial signal rate, zero delay automatic transmit
  • Power: No power supply needed, powered from TXD, RTS, DTR signal in RS-232 port
  • Power Consumption: Static consumption less than 10 mA, dynamic consumption less than 40 mA
  • Standards: EIA RS-232C, RS-485 standards, RS-232 signal: TX, RX, GND, RS-485 signal: D+, D-, GND
  • Working mode: Asynchronous, point to point or multi point, 2 wire half-duplex
  • Baud rate: 300 to 115200 bps, auto test serial signal rate detect signal speed automatically, zero delay time
  • Flow control: Data direction auto-turnaround, no flow control is required
  • Transfer distance: RS-485 side:1.2 km, 9600 bps. RS-232 side: no less than 5m
  • Max number of drops: 128 nodes
  • Optical isolation: 2500 V
  • Port protect: 1500 W surge protection, 15 kV ESD protection
  • Connector: RS-232 side DE-9 female RS-485 side DE-9M (package includes DE-9F to 3 way terminal block)
  • Working temperature: -10 to 60 °C
  • Storage temperature: -40 to 85 °C
  • Humidity: Relative humidity 5% to 95%
  • Dimensions: L × W × H: 90 × 33 × 16.5 mm
  • Shell: Plastic
  • Colour: White

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

Full Terms and Conditions

By placing an order with Ocean Controls, you agree to be bound by our Terms and Conditions of Trade.

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