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adr2100 rs232/rs485 data acquisition interface


ADR2100 Serial Data Acquisition Interface ( Dimensions, 5.4" X 2.8" )

The ADR2100 serial data acquisition interface allows control of 32 digital I/O lines and 4, 10-bit analog inputs ( 0 - 5VDC  ) , two PWM outputs and two event counters   via an RS232  or RS485 link. The ADR2100 also includes a complete dual stepper motor indexer. This low-cost serial data acquistion interface is easy to use with Visual Basic, Basic, C, Labview, Testpoint, or other high level languages that allow access to a serial port. The ADR2000 series of data acquisition interfaces are daisy chainable up to ten units. All ADR2000 series boards contain RS232 to RS485 convertors.

Click here to download USER MANUAL for ADR2100 ( PDF 538K )

Key Benefits, ADR2100 Serial Data Acquisition Interface

  • Low-Cost
  • 4, 10-bit, Single-Ended Analog Inputs ( 0 -5VDC )
  • 2, 10-bit PWM  outputs
  • Space on PCB for filter components to convert PWM to DC voltage
  • 32  Digital I/O Lines ( Sink/Source 20mA )
  • 4 digital I/O lines with software programmable pull-ups and interupt capability for keypad input
  • Dual Stepper Motor Indexer on-board.
  • 1 high current/voltage aux output
  • Two, Versatile 16-bit Event Counters
  • Space on PCB for debounce capacitors for contact input to event counter
  • RS232,RS485 Communication
  • Transparent RS232 Port at each Node in Daisy-Chained Application
  • Daisy-Chain Capabilities ( Up to 10 boards)
  • Operates on standard 9VDC wall adaptor or 7 -15 VDC
  • Digital I/O terminal block adaptor available ( ADRTERM)

Specifications, ADR2100 Serial Data Acquisition Interface

Supply Voltage 5VDC  or 9 - 15VDC
Supply Current ( Outputs unloaded ) 40mA Typical  60mA Max
Operating Temperature 0-50C
Analog Inputs ( 4)
Resolution 10-bits
Accuracy 0.1%
Input Range 0-5VDC 
Input Impedance 1Mohm
PWM Outputs (2)
Resolution 10 bits
Frequency 9.76Khz
Digital I/O (32 TTL)
Sink Current 20mA
Source Current 20mA
Event Counter ( 2 )
Resolution 16-bit
Input Type Contact or TTL
Max Frequency 250Khz
Serial Port
Type RS232 and RS485 9600 Baud
Daisy-Chain Up to ten boards

Stepper Motor Indexer Functions ( click here )


ADRTERM Terminal Expansion Block ( Dimensions, 7.8" X 1.5" )


Pricing,  ADR2100 Serial Data Acquisition Interface ( Includes RS232 cable )

Description $US




ADRPWR $12.95

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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    
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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