Fully Isolated RS-232 to RS-422/RS-485 Converter

In stock (4 items available)
  • Weight
    0.5 kg
  • SKU
    TOD-001

Converts RS-232 to RS-422 and RS-485 through a 2.5 kV optical isolation barrier. Female DB-9 (RS-232) to male DB-9 and RJ45 (RS-422/RS-485). Screw terminal adapter included.

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The MODEL485P is a high performance RS-232 to RS-485/422 interface converter. The product features optical-electrical isolation rated to more than 2.5 KV and internal power isolation. It has surge protection on its data lines. The powerful line drivers allow for long distances of RS-422/485 serial transmission. The converter offers high data transfer rates and reliable performance. It automatically adjusts to the data rate and features automatic flow control for RS-485.

The converter has broad application in industry control systems. Power can provided from the RS-232 handshake lines or the included 9 VDC plug pack.

The converter has a male DB-9 port on the RS-232 side. The RS-485/RS-422 side has a female DB-9 connector and an RJ45 jack. The RS-485 and RS-422 signals are brought out to pins on both connectors. The box includes a DB-9 to screw terminal adapter which breaks out the RS-485 and RS-422 signals.

  • Isolated power supply, 2500 V signal isolation, 1500 W surge protection
  • Transmission distance can reach up to 1800 m at the rate of 115.2 kbps on RS-422/RS-485
  • Interface auto-adaptive technology: no DIP switches or jumpers to set
  • Automatic data flow control for conversion of the full duplex RS-232 to the half duplex RS-485
  • Automatic signal rate sensing, zero delay automatic transmit
  • Includes 1 meter DB-9 Male To DB-9 female cable
  • Includes 9 VDC Plug Pack
  • Includes female DB-9 to screw terminal adapter
  • Power Supply: Port powered or external 9 VDC
  • Current Draw:70 mA static, 200 mA dynamic
  • Standards: EIA RS-232, RS-485, RS-422
  • RS-232 signals:TX, RX, GND
  • RS-485 signals:D+, D-, GND
  • RS-422 signals:R+, R-, T+, T-, GND
  • Baud rate: 300 to 115200 bps
  • Loading:Up to 128 nodes
  • Transmission Distance: (RS-422/RS-485):up to 1800 m at 115.2 kbps
  • Port Protection:1500 W surge, 15 kV static discharge
  • Isolation:2.5 kV
  • Connector (RS-232)Female DB-9
  • Connector (RS-422/RS-485):Male DB-9 and RJ45
  • Working Temperature:-20 to 60 ºC
  • Storage Temperature:-25 to 80 ºC.3
  • Working Humidity:<95 %
  • Dimensions:120 × 33 × 16.5 mmMaterial:Steel

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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