Data Acquisition Does Control

INSTATREND Real-time data acquisition software can now perform PID control
tasks, as well as logging data to disk.

INSTATREND runs on any PC platform, from an XT to a 486. It was originally
developed for the Dianachart ACQUISITOR series of Data Acquisition
systems, and is now available with drivers for many other types of
hardware, from plug-in boards to Serial Transmitters.

All PID loop parameters are set up in a simple easy to use menu. Many PID
loops run simultaneously, with either 4-20 mA analog output or time
proportioning control on binary outputs. Special features are included for
ensuring minimum OFF times for compressor cooling systems.

Manual operation is supported, and user-specified output asserted in case
of measurement error such as a broken thermocouple.

Multiple Ramp/Soak sequences can be programmed, with assured soak
features.

Dianachart, 101 Round Hill Dr, Rockaway, NJ 07866
201-625-2299;  fax: 201-625-2449

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