13.1 Connection of Inputs
The ValuPoint contains no configuration jumpers. There is no need to open the
enclosure for configuration of I/O. Analog input types are switched between voltage
and thermistor inputs under software control.
Input points should be connected as indicated in the various diagrams below. In
addition to selecting a wiring diagram, the corresponding selections should be made
on the I/O List page of the configuration tool.
I/O Point Type
Wiring Guide
Additional Information
A/UI Analog Input:
0-10VDC
Voltage Input
A/UI inputs 1-14 will
accept voltage inputs of
up to 10VDC. Voltages to
12VDC will be measured.
Voltages to 24VDC will be
tolerated, but
measurement is internally
limited to a reading of
12VDC.
A/UI Analog Input:
0-20mA
Current Input
A/UI inputs 1-14 will
accept current inputs of
0-20mA with the addition
of a 500 ohm 1/2 watt
external resistor. A 500
ohm resistor will produce
a 0-10VDC signal. A 250
ohm resistor may also be
used to produce a
0-5VDC signal.
A/UI Analog Input:
Thermistor Input
A/UI inputs 1-14 will
accept thermistors of 3k,
10k, or 20k ohms.
Linearization via
13. Physical I/O Connections
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