ControlLogix PLC Minor Fault Codes and PLC Error Causes and Solutions
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…
ControlLogix PLC Major Fault Codes Causes and Solutions
ControlLogix PLC Fault Codes You can find ControlLogix PLC Major Fault Codes Type – Code – Cause And Recovery Method Type Code Cause Recovery Method 7 40 Store to nonvolatile memory failed. · Try again to store the project to nonvolatile memory. · If the project fails to store to nonvolatile memory, replace the memory…
PLC Analog Alarm State Diagrams
PLC Analog Alarm State These illustrations show the manner in which an analog alarm responds to changing alarm conditions and operator commands.
