ADAM ADAM-4520 RS-232 to RS-422/RS-485 Isolated Converter
Upgrade your industrial network with the ADAM-4520, a reliable isolated converter for RS-232 to RS-422/RS-485 communication. Features 3000 VDC isolation, selectable baud rates up to 115.2 kbps, and extends communication distance for robust data acquisition and control systems.
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ADAM ADAM-4520 RS-232 to RS-422/RS-485 Isolated Converter
The ADAM-4520 is a robust, industrial-grade isolated converter designed to seamlessly bridge RS-232 communication with RS-422 and RS-485 networks. It effectively extends serial communication distances up to 1.2 km (4000 ft) and increases the maximum number of connected nodes. Featuring 3000 VDC isolation, the ADAM-4520 protects host computers and equipment from damaging ground loops and voltage spikes common in industrial environments. Configuration is straightforward via external DIP switches, allowing for easy setup of baud rates and data formats without opening the case. Its automatic RS-485 data flow control simplifies programming, making it an ideal solution for data acquisition, process control, and factory automation applications.
Technical Specifications:
- Converter Type: RS-232 to RS-422/RS-485
- Isolation Voltage: 3000 VDC
- Baud Rate: 1200 to 115200 bps (DIP switch selectable)
- Connectors: 1 x DB9-F (RS-232), 1 x Plug-in screw terminal (RS-422/485)
- Power Input: 10 ~ 30 VDC (unregulated)
- Control: Automatic RS-485 data flow control

| Brand | ADAM |
|---|---|
| Model | ADAM-4520 |
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If you are buying multiple items, please contact us before checking out so we can get you the best combined rate for shipping.
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ENERAL DELIVERY INFORMATION
Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
The cut-off point for orders to be shipped the same day is 14:00 – please contact us to confirm stock levels before placing your order
Any orders placed after the cut-off will ship the next working day assuming all parts are in stock and ready for dispatch.
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- must be paid for in full before any goods are dispatched
- require a signature upon delivery. Please ensure delivery can be made to an address where someone will be available to sign for the delivery
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