Omron CP1H CPU Operation Manual page 414

Cp1h cpu unit

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Program Protection

X, Y, and Z in the lot number are converted to 10, 11, and 12, respectively, in

A310 and A311. Some examples are given below.

Application Examples

The following instructions can be added to the program to create a fatal error

and thus prevent program execution if an attempt is made to execute the pro-

gram on a CPU Unit with the incorrect lot number. A password can also be set

to read-protect the program so that it cannot be copied, e.g., using a Memory

• The following instructions will create a fatal error to prevent the program

from being executed when the lot number is not 23905.

First Cycle Flag

• The following instructions will create a fatal error to prevent the program

from being executed when the lot number does not end in 05.

First Cycle Flag

• The following instructions will create a fatal error to prevent the program

from being executed when the lot number does not begin with 23Y.

First Cycle Flag

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