AH500 Module Manual The output is not retained: Analog signal Output signal Time The module stops running. The output is retained: Analog signal The module stops running. Time 3.3 Installation 3.3.1 Installing a Module Insert a module into a slot, make sure that the module is installed on the backplane properly, and tighen the the screw, as illustrated below. 1. Insert the projection under the module into the hole in the backplane. 2. Push the module in the direction indicated by the arrow until it clicks. 3-10 ignal