Easy to read displays
Bright display with prompts in English make the operator interface
easy to read, understand, and operate. Simple keystrokes let you set
operating parameters that meet your process control needs.
Analog Inputs
UDC2800 has two analog inputs with a typical accuracy of ±0.15% of
full-scale input and a typical resolution of 16 bits. Both analog inputs
are sampled ten times per second (every 100 ms).
The first, or Process Variable input, can be one of the various
thermocouple, RTD or linear actuations. Linear actuations have
thermocouple and RTD transmitter characterization capability as a
standard feature. Linear actuations also have square root capability.
The optional second input is isolated and accepts the same
actuations as input one, or it provides the Slidewire input for Position
Proportional control.
All actuations and characterizations are keyboard configurable. Cold
junction compensation is provided for thermocouple type inputs.
Upscale, downscale or failsafe sensor break protection is keyboard
configurable. A configurable digital filter of 0 to 120 seconds
provides input signal damping.
Thermocouple Health - In addition to the standard configurable
upscale, downscale or failsafe output burnout selections, the
condition of the thermocouple can be monitored to determine if it is
good, failing or in danger of imminent failure.
14
Chapter 2 - Introduction
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