- Extended the number of available control relays from 32,768 to 56,320 for CTI 2500 C400 PLCs.
- Updated the program file format to support a larger number of control relays. Program files saved in Version 4.80 will not be accessible to earlier versions of WorkShop. See the Knowledge Base article titled “Can a program file created in the new version of WorkShop be opened with an older version of the software?” for more information.
- Improved the validation of Watchdog Timer Settings.
- Improved the operation of PID loops containing more than one step.
- Improved the operation of ramp soak steps that use certain R/S Flag addresses.