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Data Acquisition  Advantech ADAM-4520
ADAM-4520
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RS-232 to RS-422/485 Converter
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New Model ADAM-4520 - $90
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Introduction
Applications
Specifications
Ordering Information
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Introduction 
Simple configuration, easy programming and supported by major DA & C packages - these are just a few reasons to use Advantech's ADAM 4000 modules.
You can use the ADAM-4520 RS-232/RS-485 converter to change standard RS-232 port signals into fully isolated RS-485 signals. This ADAM converter module along with an ADAM-4510 (repeater) can automatically control the RS-485 bus direction without external handshaking signals from the host. Host software written for half-duplex RS-232 may be used without modification. RS-485 bus control is completely transparent to the user. The ADAM-4520 also provide protection for the host computer from potentially destructive voltages which may appear on the RS-485 data lines.
- Operating temperature: 14 to 158ºF (-1000 to 70ºC)
- EMI: Meets FCC Class A
- Storage temperature: -13 to 185ºf (-25 to 85ºC)
- Humidity: 5 to 95%, non-condensing
Easy-to-use menu-driven utility software make configuration and calibration a snap. Its terminal emulation program lets you easily read from and write to ADAM modules. Writing application programs with this software (GENIE 2.0) is simple, you can learn the basics in just a few minutes.
Intelligent RS-485 Control The RS-485 standard supports half-duplex communication. This means that just two wires are needed to both transmit and receive data. Handshaking signals (such as RTS, Request To Send) are normally used to control the direction of the data flow. A special I/O circuit in the ADAM-4510 and ADAM-4520 automatically senses the direction of the data flow and switches the transmission direction. No handshaking signals are necessary-you can build an RS-485 network with just two wires. This RS-485 control is completely transparent to the user. Software written for half-duplex RS-232 works without modification.
Isolation
The ADAM-4520's Opto-isolators provide 500 VDC of isolation to protect the host computer from ground loops and destructive voltage spikes on the RS-485 data lines.
Communication
- RS-485 (2-wire) to host
- Speeds: 1200, 2400, 4800, 9600, 19200 bps
- Max. communication distance: 4000feet (1.2Km)
- Power and communication LED indicator
- ASCII command/response protocol
- Communication error checking with checksum
- Asynchronous data format: 1 start bit, 8 data bits, 1 stop bit, no parity
- Up to 256 multi drop modules per serial port
- On-line module insertion and removal
- Transient suppression on RS-485 communication lines
Power Requirements
- Unregulated 10 30 VDC
- Protected against power reversal
Mechanical
- Case: ABC with captive mounting hardware
- Plug-in screw terminal block:
Accepts 0.5 mm² to 2.5 mm²
1-#12 or 2-#14 to #22 AWG
Environment
- Operating temperature: 14 to 158ºF (-1000 to 70ºC)
- EMI: Meets FCC Class A
- Storage temperature: -13 to 185ºf (-25 to 85ºC)
- Humidity: 5 to 95%, non-condensing
General<
- Input: RS-232 (4-Wire)
- RS-232 interface connector: Female DB-9
- RS-422/RS-485 interface connector: pug-in screw terminal
- Baudrate (bps): 1200, 2400, 4800, 9600, 19.2 K, 38.4 K, RTS control (switchable)
- Isolation voltage: 500 VDC
- Power consumption: 1.2 W
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Order Online at our secure site -
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- ADAM-4520 - Isolated RS-232/485 Converter Module
The meanings of the LED colors on ADAM-4520 are as follows:
No data: Green
Data transmitted from host: LED Off
Data transmitted to host: Red
Continuous communication: Orange and Blinking (Green Red Off) - Q. How do you use the ADAM-4520?
- A. The ADAM-4520 converter module doesn't need to control data in RS-485 mode, the module will control the data flow direction automatically. You don't need any special software, simply treat it as a transparent RS-232 port.
Ordering Information
Features
Applications
Adam 4000 - 500 Utility download here. Specifications
Download Adam DLL.Exe here.
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