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The D1000 and D2000 Series digital transmitters are a complete family of easy to use interface modules based on personal computers and other processor based equipment with standard serial I/O ports. The modules convert analog input signals to engineering units and transmit, in ASCII format, to any host computer with a standard RS-232C or RS-485 port. This modular design enables anyone familiar with a personal computer to construct a flexible and cost effective data acquisition system. These modules can measure temperature, pressure, flow, voltages, currents and various types of digital signals. The 1000 Series provide direct interface to a wide variety of sensors and perform all signal conditioning, scaling, linearization and conversion to engineering units. Each module also provides digital I/O lines for controlling devices through solid state relays or TTL signals. These digital I/O lines along with integral limit setting capability provide alarm and control outputs. With the exception of the D1400 RTD and D1500 bridge modules, every D1000 module contains an on-board event counter. The event counter will count up to ten million transitions on the digital input line. All user selectable options (address, baud rate, alarms, etc.) are done through the communications port and stored in nonvolatile memory thereby eliminating switches or external adjustments of any kind.
The flexibility of this system allows users to mix and match the modules to fit their exact requirements. As many as 124 modules can be connected on one 4 wire cable. They can be placed remote from the host computer and from each other.
The D2000 Series of user-programmable data acquisition and control modules allow direct interface of non-standard analog sensors to computers with serial I/O ports. Use of these modules enables downloading up to 23 breakpoints through the communications port. With these breakpoints the user can program a module to virtually any transfer function.
The ability to provide an arbitrary user programmable nonlinear transfer function is the most powerful feature of the D2000 series. Use this feature to linearize non-standard sensors or to provide outputs in engineering units, which are nonlinear to functions of the input. The 2000 Series can be programmed to approximate square law, root, log, high-order polynominal or any other non-linear function. The 2000 may also be empirically field-programmed when the exact transfer function is unknown.
All modules are supplied with screw terminal plug connectors and captive mounting hardware. Their encapsulated design allows for mounting in virtually any location including explosion proof housing and DIN rails. Also, free DOS setup, display and logging software is available.
Copy (to your hard drive) D1000 DOS Software Now! (some features require modules to be installed)
View an Adobe Acrobat pdf file for more
product info (requires Acrobat Reader).
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