I/o c – IDEC MicroSmart User Manual

Page 403

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24: A

NALOG

I/O C

ONTROL

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Example: Analog I/O

The following example demonstrates a program of analog I/O control using an NTC thermistor. Two analog I/O modules
are mounted in the slots shown below.

System Setup

Operation

In this example, the input value from the NTC thermistor is calibrated. When the temperature reaches the preset value, the
output is turned off. The thermistor temperature is monitored on an analog meter.

Slot No.:

1

2

3

Slim Type
CPU Module
FC4A-D40S3

Analog Input Module
(Thermistor)
FC4A-J8AT1

Output Module
(Tr. Source)
FC4A-T08S1

Thermistor

External

Device

Analog Meter

Calibrated voltage

Analog Output Module
FC4A-K1A1

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