I want to perform cascade control of 2 temperature inputs on a single unit. Is there a model that can do that?

Yes, the UT75A + LL50A setting software (sold separately) can handle that.

Advanced Application UT75A

Temperature Controller with increased monitoring and operating capabilities
LL50A

Build and set parameters and ladder programs with advanced software
Mid-level UT55A/UT52A

Increase monitoring and operating capabilities
UP55A

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