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What does the & operation of DB2406.DBX3.7 and M1352.0 accomplish?
The three photos are FB block, fail-safe F-FB block, and FC block, DB2406 is a fail-safe DB block, and the remaining DB block is a normal DB block.
The value of M1301.1 is always 1· , the content of FC115 blocks ends with SET, ensuring that the M1301.1 value is always 1
The problem is that when DB2406.DBX3.7 is 1, then M1352.0 is 1, so M1352.0 is determined by DB2406.DBX3.7 ,If this logic is written, the following & logic should pointless?
The three photos are FB block, fail-safe F-FB block, and FC block, DB2406 is a fail-safe DB block, and the remaining DB block is a normal DB block.
The value of M1301.1 is always 1· , the content of FC115 blocks ends with SET, ensuring that the M1301.1 value is always 1
The problem is that when DB2406.DBX3.7 is 1, then M1352.0 is 1, so M1352.0 is determined by DB2406.DBX3.7 ,If this logic is written, the following & logic should pointless?