Table of Contents
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Before Operation
2-1
Before Operation
2-1-1 Nomenclature and Functions
Front
Indicators
Indicator
Color
RUN
Green
BROKEN WIRE
Red
Functions
Function
Conversion prohibit setting
Input range setting
Conversion data type setting
Square root
Scaling
Mean value
Peak value
Limit warning
Disconnection detection
8
Model number label
Indicators
Unit number switch
Input connector
Lit when the Analog Input Unit is operating correctly. If operation is not normal, this
indicator turns OFF and Unit operation is stopped.
Lit when an input signal wire is disconnected. This indicator operates only when the
input range is set to 1 to 5 V/4 to 20 mA.
The following table briefly outlines the basic functions of the C200H-AD002.
These functions are covered in more detail in 2-3 Functions and Programming .
Unnecessary conversion processing time can be reduced by disabling analog-to-digital
conversion for unused inputs. Disabling conversion can also reduce the sampling
period for each input.
The input range can be set for each input number according to the input signal level
that is to be used.
Sets whether the converted digital output is BCD or binary.
Converts quadratic data, such as thermocouple input, to linear data.
Converts an analog input signal to a preset range of BCD data for output.
Sums the sampling data for the specified number of samples, eliminates the minimum
and maximum values, calculates the mean value from the remaining values, and
outputs that value.
Holds the maximum values for A/D conversion data, scaling data, mean data, and
square root data, and outputs them as output data.
The Warning Flag is turned ON if the A/D conversion data, scaling data, mean data, or
square root data exceeds the specified upper- or lower-limit values.
The Disconnection Detection Flag is turned ON and the BROKEN WIRE indicator is lit if
the input signal wire becomes disconnected when 1 to 5 V/4 to 20 mA are set.
Back
Connector to Backplane
Function
Explanation
Section 2-1
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