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Product Description 1.1
1.1.1 GENERAL
This instrument is a microprocessor based single loop controller capable of measuring,
displaying and controlling temperature, pressure, flow, and level from a variety of inputs. Most
heating outputs are easily tuned using the instrument's Auto Tune function with several
choices for control algorithms and control responses.
Control functions, alarm settings and other parameters are easily entered through the front
keypad. All user's data can be protected from unauthorized changes with it's Enable mode
security system. Battery back-up protects against data loss during AC power outages.
The input is user configurable to directly connect to either thermocouple, RTD, mVDC, VDC or
mADC inputs. Thermocouple and RTD linearization, as well as thermocouple cold junction
compensation is performed automatically. The sensor input is isolated . The instrument can
be specified to operate on either 115VAC or 230VAC power at 50/60Hz. It is housed in an
extruded aluminum enclosure suitable for panel mounting and may be surface mounted using
an optional adaptor. For installation in washdown areas, a watertight cover is available (see
the instrument price list order matrix).
FIGURE 1-1
1.1.2 DISPLAYS
Each instrument is provided with dual digital displays and status indicators as shown in Figure
1-1. The upper digital display is programmable to show the process variable or the deviation
from setpoint value. The lower digital display will be the active setpoint value or the percent-
age of the proportional output indicated by the indicator light. Status indication is as shown
(Figure 1-1). Display resolution is programmable for 0 to 3 decimal places depending upon
the input type selected.
OUT2
MAN
OUT1
PV
SP1
SP2
AUTO
SP1
MAN
SP2
AUTO
TUNE
ALRM
°C
°F
U
RSP
PO1
PO2
P
5
AGE
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