Directly represented variables (e.g. %IX1.1, %IW1.1, %QX1.1) are used to address the memory locations within a PLC directly. Global variables in our study example program are as shown in the code for ...

These processes can include control of machinery on factory assembly lines, amusement rides, or lighting fixtures. The PLC is equipped with a central processing unit (CPU), nonvolatile program memory, ...

Intercede (GB:IGP) has released an update. Intercede Group PLC, a leader in cybersecurity software, has repurchased 15,000 of ...