Can I use a low cut on the PV (measured value input)?

This is supported on the UT75A, UT55A, UT52A, UP55A, and UM33A by using the 10-segment linearizer function.

Advanced Application UT75A

Temperature Controller with increased monitoring and operating capabilities
Mid-level UT55A/UT52A

Increase monitoring and operating capabilities
UM33A

Digital Indicator with 9 alarms outputs and input correction function
UP55A

Program controller with 30 patterns, simultaneous monitoring, and ladder sequence function