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CPS-2 Model 20-3400-03, -13
Voltage Feedback
Terminal Connections
The universal model has a voltage divider
network which allows for various voltage signal
ranges. Voltage output ranges are available
across terminals EE (+) and CC (-) with the proper
ranging resistor connected across terminals CC
and DD.
Units are factory-calibrated for specified
signal ranges and are provided with proper
ranging resistors installed. Other voltage ranges
are attainable by adding a ranging resistor across
terminals CC and DD.
The ranging resistor value is given in Table
11, page 46, or can be calculated using the
equation:
Where R = Resistor connected from CC to DD
V = Output voltage span
If converting to a zero-based range (a range
that includes zero as an end point), refer to
“Adjusting the Zero Potentiometer” Section, page
28.
Voltage Output
CPS-2 Model 20-3400-04, -14
Terminal Connections
The three-terminal output from these models
is provided for replacing potentiometers in three-
terminal potentiometer feedback applications
used in many controllers. It is suitable for 0–15
V dc applications of either positive or negative
polarity. CC must be connected to the negative
lead from the controller, and EE to the positive
lead from the controller, with DD connected to the
controller lead accepting the feedback from the
potentiometer wiper. These models can “source”
10 mA to the controller, or they can “sink” 2.5 mA
from the controller.
Potentiometer Equivalent
CPS-2 Model 20-3400-05, -15
Terminal Connections
Voltage signal -10 to +10 V dc is available
across terminals EE (+) and DD (-). The maximum
load is 5 mA.
INSTALLATION WIRING
CPS-2 Model 20-3400-03, -13
Current Feedback
Terminal Connections
The universal model has current sensing
terminals, which allow for various current signal
ranges. Current output is available between
terminals DD (+) and CC (-) with the proper ranging
resistor connected across terminals DD and EE.
Units are factory-calibrated for specified signal
ranges and are provided with proper resistors
installed.
The ranging resistor value is given in Table 10,
page 46, or can be calculated using the following
equation:
Where R = Resistor (Ohms) Connected from
DD to EE
I = Output Current Span (Amp)
If converting to a zero-based range (a range
that includes zero as an end point), refer to
“Adjusting the Zero Potentiometer” section, page
28.
Current Output