Also known as PLCs, these controllers combine the functionality of a relay, timer relay, and switch in one unit, so you can program complex automation jobs. All have two types of delayed start (delay-on-make) and two types of delayed switch-off (delay-on-break) timing functions. Program these controllers by connecting them to a computer and installing the required software (sold separately). After the initial programming, these controllers can be updated remotely by a human-machine interface (HMI) or computer. Mount to 35-mm DIN rail. They’re smaller than other PLCs, so they’ll save space in your control cabinet.

All have passed strict U.S. and Canadian safety standards, and they’re IP20, which prevents fingers and other objects greater than 12.5 mm from making contact with live circuits.

Controllers with an LCD display make it easy to monitor or modify your system directly on the unit. Controllers without a display eliminate the risk of accidental adjustments while toggling through information or tampering by unauthorized users.

Configure 12V DC/24V AC/24V DC and 24V DC controllers to receive analog or digital signals from temperature and pressure sensors on four of the eight inputs.

Add expansion modules to increase the number of inputs and outputs. You can connect up to 11 modules to a controller—for a maximum of 188 inputs and outputs. Choose any modules that support the input voltage of your controller.