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The following gives an overview of how to implement a simple 4 Circuit system. For greater detail and PLI module configuration,
please go to Section 3 – Full Configuration on page 25.
A Configuration Spreadsheet has been developed to assist in the collection of specific circuit (Circuit) details. This
spreadsheet is located in Appendix E.
The following is a typical heat-tracing system for a four (4) Circuit Setup:
• Four (4) pipes (Pipe #1, Pipe #2, Pipe #3, Pipe #4)
• Four (4) heaters (one per pipe: Heater #1, Heater #2, Heater #3, Heater #4)
• Four (4) output relays (Relay #1, Relay #2, Relay #3, Relay #4) which control the heater’s contactors
• Four (4) RTD temperature sensors (RTD #1, RTD #2, RTD #3, RTD #4)
• Four (4) On/Off control modes
This is the first window that appears when the program loads.
Fig. 2.1 Main window
Go to the System | Misc window and enter the appropriate Units and Language.
Fig. 2.2 System | Misc window
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