A MSG Instruction That Actually Works: Path, Type and the Error Codes

16#0204 appears twice in the same Rockwell reference manual with two different meanings, and which of the MSG instruction error codes tables you are reading decides where you spend the next hour. In the extended error codes for error 0001 it is Unconnected message timeout. In the module fault codes it is Connection Request Error: … Read more

ControlLogix PLC Minor Fault Codes and PLC Error Causes and Solutions

plc programming plc errors plc

PLC Fault Codes The PLC minor fault codes, Type Code Cause Recovery Method 1 15 ·   A 1769 power supply is connected directly to the controller’s 1768 CompactBus, with an invalid configuration. ·   The 1768 power supply powering the controller has failed. ·   Remove the power supply from the 1768 CompactBus and cycle power to … Read more

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