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Basic Example
(to display a temperature)
71
Application Programming Examples
This chapter provides two application examples to help you use the
module.
• Basic example
• Supplementary example
The basic example lets you display a temperature.
The supplementary example lets you manually select the display of
temperature in °C or °F.
This example lets you display the temperature of a bath °F on an LED
indicator display device. The display device requires BCD data, so the
program must convert the temperature reading to BCD.
1746-OB16
SLC 5/02 Processor
LED Indicator Display
(dc sinking inputs, BCD format)
Channel Configuration
Configure the thermocouple channel with the following setup:
• Type J thermocouple (bits 3...0)
• °F displayed in whole degrees with EU = x10 (bits 8, 5, 4)
• Set the data word to zero in the event of an open-circuit
(bits 7, 6)
1746-INT4
Publication 1746-UM614B-EN-P - September 2007
9
Chapter
Thermocouple Type J
Bath
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