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5 Advanced Operations
E5@C Digital Temperature Controllers User’s Manual (H174)
5-22 Logic Operations
5
5-22-1 The Logic Operation Function (CX-Thermo)
5-22 Logic Operations
• The logic operation function logically calculates as 1 or 0 the Digital Controller status (alarms, SP
ramp, RUN/STOP, auto/manual, etc.) and the external event input status, and outputs the results to
work bits. The work bit status can be output to auxiliary or control outputs, and operating status can
be switched according to the work bit status.
• Work bit logic operation can be set from 1 to 8. Set them to No operation (Always OFF) (the default)
when the work bits are not to be used.
• When logic operations are being used, a dot will be displayed between the first two digits on the No. 2
display of the Adjustment Level display
Note: The four numeric digits to identify the product code are displayed in the No. 2 display.
Logic operations are set using the CX-Thermo.
Starting Logic Operations
There are two ways to start logic operations.
• Select Logic Operation Editor from the CX-Thermo tree, and click the Start Button.
• Select Logic Operation Editor from the CX-Thermo Options Menu.
5-22-1 The Logic Operation Function (CX-Thermo)
5-22-2 Using Logic Operations
123.4
l.adj
Dot displayed.
Adjustment level display
Adjustment Level
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