Practical PLC Alarm Program: Three-Stage Standardized Development Process and Fault Handling Techniques
Standard Structure of PLC Alarm Programs Standardized Programming: Use abbreviated variable names, and describe functions accurately in comments, such as the input interface variable name Active (bool type, comment as Alarm Message), CBFW (bool type, comment as Control Bit Warning/Fault (0=Warning /1=Fault)). Block Title and Detailed Description: The block title is limited to a one-line … Read more