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When the RediGate restarts, the values in Scratchpad areas are all set to zero/empty and the type is set to INTEGER. Scratchpad elements are global to a Channel (shared in common among all PODs and devices on a Channel), but each Channel has its own set of numeric Scratchpad elements (-1 to -40). An element in the Scratchpad can have its value and type changed each time a POD program writes to it. Once written to, the element retains its value and type (INTEGER, REAL or STRING) until the next write, even between successive executions of different PODs.
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This section gives some examples of POD programs to illustrate the POD programming methods. The sample ACE configurations for the programs illustrated here can be downloaded from http https://ftp.elecsyscorp.com/ACE/PODDemoConfigurations.zip
See the RediGate Configuration Manual for a more complete explanation of the configuration properties of the individual ACE objects. This section will primarily focus on explaining how the POD logic works, with only minimal discussion on the other parts of the configuration.
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