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adr7700 rs232 / rs485 serial data acquisition interface ( 16-bit )


ADR7700 RS232/RS485 Serial Data Acquisition Interface ( Dimensions, 4.0" X 2.8" )

The ADR7700 is an high resolution/accuracy, build-to-order data acquisition interface designed primarily for OEMs. Each unit is scaled and calibrated to customer specified input ranges. This low-cost build-to-order serial data acquisition interface is easy to use with Visual Basic, Basic, C, Visual C++, Labview, Testpoint, or other high level languages that allow access to a serial port.

Click here to download USER MANUAL for ADR7700 ( PDF 403K )

Key Benefits ,  ADR7700 Serial Data Acquisition Interface

  • 16-bit analog input with OEM specified input ranges
  • High accuracy, sigma-delta core with calibration via internal 33-bit A/D
  • Low offset or  gain error via internal calibration.
  • Two broadcast modes ( 1Hz and 10Hz )
  • Maximum sample rate of 50hz in polling configuration
  • 4  Digital I/O Lines ( Sink/Source 20mA )
  • Programmable Interrupts on Digital Inputs
  • RS232,RS485 Communication
  • Daisy-Chain Capabilities via RS485 ( Up to 10 boards)
  • Operates on standard 5VDC or 9-24VDC

Specifications  ,  ADR7700 Serial Data Acquisition Interface

Supply Voltage 5VDC  or 9 - 24VDC
Supply Current ( Outputs unloaded ) 40mA Typical  50mA Max
Operating Temperature 0-50C
Analog Input ( Single -Ended or Differential )
Resolution 16-bits
Integral Non-Linearity 0.0015%
Input Ranges Available SE ( Resolution Per Step )

Note: Range set at factory. Custom ranges available.

0-1.25V(19uV), 0-2.5V(38uV), 0-5V(76uV),

0-10V(152uV), 0-15V(228uV), 0-20V(305uV)

Input Ranges Available DIFF ( Resolution Per Step )

Note: Range set at factory. Custom ranges available.

0-1.25V(38uV), 0-2.5V(76uV), 0-5V (152uV),

0-10V(305uV), 0-15V(458uV), 0-20V(610uV)

Maximum Noise 10uV RMS
Reference Stability 7ppm/C
Maximum Sample Rate 60Hz
Frequency Response 15.72Hz
Broadcast Rates 1Hz or 10Hz
Digital I/O (4 TTL)
Sink Current 20mA
Source Current 20mA
Serial Port
Type RS232 and RS485 9600 Baud ( other rates by special order )
Daisy-Chain Up to ten boards via RS485

Pricing, ADR7700 Serial Data Acquisition Interface ( Includes RS232 cable )

Description $US
ADR7700 ( Qty 1-4 ) $225.00
ADR7700 ( 5-9 ) $195.00
ADR7700 ( 10-99) $154.00

Ordering Information


Available Ranges  1.25SE, 1.25DI, 2.5SE, 2.5DI , 5SE, 5DI, 10SE, 10DI,  15SE, 15DI, 20SE, 20DI

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Contact Information
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Ontrak Control Systems Inc.
764 Notre Dame Ave., Unit #1
Tel: (705) 671-2652 General Information Sales or Support
Sudbury,Ontario Fax:(705) 671-6127
CANADA P3A 2T2    
Next-Day shipping anywhere in Continental U.S. via Fed-Ex
Copyright 2012 ONTRAK CONTROL SYSTEMS 764 Notre Dame Ave, Unit #1 , Sudbury, Ontario, CANADA P3A 2T2  
"Quality serial Data Acquisition Interfaces"           PH. (705) 671-2652 FAX (705) 671-6127