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XXMIT Status Error 150 When Using an M1 or M1E Processor With an IEC Exec

Goals and Symptoms

This Resolution describes the problem and solution if users experience XXMIT Status Error 150.

Facts and Changes

The XXMIT function block intermittently faults with a status error 150 if the M1 PLC is power cycled when the XXMIT block is still active. This problem may occur with either M1 or M1E processors and will only occur with IEC Execs installed. It will not occur if 984LL Execs are installed.

Causes and Fixes

To resolve this problem, update the IEC Exec to version 2.11 or higher for M1 processors. For M1E processors, update the M1E IEC Exec to 1.30e or higher.
M1 Processor part numbers capable of supporting IEC Execs: 171CCS76000, 171CCC76010, and 171CCC78010.
M1E Processor part numbers capable of supporting IEC Execs: 171CCC96030 and 171CCC98030.

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