2. Installation2.1 Installing the controllerThe controller is made up of the controller casing which contains the electronics componentsand the rear casing section with the terminal blocks. To connect the controller, remove the screwson the front panel and separate the controller housing from the rear casing.For wall mounting, use four screws to mount the rear casing to a wall. The distances between theholes are shown in Fig. 2.For top hat rail mounting, mount the controller onto the top hat rail using the spring-mountedhook on the rear casing.For panel mounting, push the controller casing through the panel cut-out (92 x 138 mm) and in-sert the fastening clips (delivered with the controller) into the notches at the top and bottom ofthe casing. Then turn the threaded bolts in the direction of the control panel so that the casing ispressed with its front frame against the control panel.144 5930 1013857 41Ø 4.598621593Fixing screw on controller sectionFastening section on controller rear casingPanel cut-out92 x 138 mmFig. 2 ⋅ Dimensional diagram7