SCM9B-32xx - Current Output 9B Module


This product fully adheres to the Restriction of Hazardous Substances Directive 2002/95/EC, RoHS for short.  The directive covers the restriction of use of certain hazardous substances in electrical and electronic equipment and was adopted in February 2003 by the European Union.


CE is a mandatory standard for products on the market in the European Economic Area. By CE marking a product, the manufacturer ensures that the item meets the essential safety requirements set out in the applicable CE directive.

SCM9B-32xx Current Output Module
Featured in:Dataforth Signal Conditioning Modules
4 SCM9B-32xx versions available
Free delivery to UK mainland addresses

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SCM9B-32xx with 0 to 20mA output, RS-232C input
SCM9B-32xx with 0 to 20mA output, RS-485 input
SCM9B-32xx with 4mA to 20mA output, RS-232C input
SCM9B-32xx with 4mA to 20mA output, RS-485 input
Peripheral information
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8 Channel 9B Backpanel
14 Channel 9B Backpanel
All prices exclude VAT at current rate.
Minimum order value - £30 (exc. VAT and delivery).
Free delivery of the SCM9B-32xx to UK Mainland on orders over £150 (exc. VAT and delivery) when purchasing online - excludes Northern Ireland, Isle of Man, Isle of Wight, Scottish Islands and the Channel Islands.

* Lead time is indicative and is subject to change at time of ordering. Next business day delivery on in-stock products only (when ordered before 3pm).
** Contact us for quantity or project pricing.
† Additional delivery charge may be incurred for certain postcodes (calculated at checkout)
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SCM9B-32xx overview

  • Analog Output Ranges: 0-1V, ±1V, 0-5V, ±5V, 0-10V, ±10V, 0-20mA, 4-20mA
  • Communicates in ASCII with RS-232 or RS-485 Serial Ports
  • Programmable High/Low Output Limits
  • 500Vrms Output Isolation
  • 12-bit Output Resolution
  • Scaling in Engineering Units
  • Baud Rates: 300 to 38,400
  • Nonvolatile Digital Calibration
  • Output Protection: 240VAC (Current Output) ±30V (Voltage Outputs)
  • Direct Connection to "Dumb" Terminals or Modems
  • Requires +10 to +30VDC Unregulated Supply
  • May be Located up to 10,000 Feet from Host (RS-485)
  • Addressable: up to 124 Units per Serial Port
  • "Bumpless" Manual Control Inputs
  • CE Compliant
The SCM9B-3000/4000 series are complete computer-to-analog output interfaces. They are designed to be mounted remotely from a host computer and communicate, in ASCII, with standard RS-232 and RS-485 serial ports. Simple ASCII commands are used to control a 12-bit DAC (Digital-to-Analog Converter) which is scaled to provide commonly used current and voltage ranges. An 8-bit CMOS microprocessor provides an intelligent interface between the host and the DAC. The 3000/4000 are compatible with the 1000/2000 input modules and may be mixed in any order.

The modules are easy to use. You do not need engineering experience in complicated data acquisition hardware. This modular approach to data acquisition is extremely flexible, easy to use and cost effective. The modules can be mixed and matched to fit the application. They can be placed remote from the host and from each other. You can string up to 124 modules on one set of wires.
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