Mitsubishi — 2.3.2 Mounting a Backplane

AH500 Hardware Manual 2.3 Installation 2.3.1 Installation of Modules in a Control Box A PLC has to be installed in a closed control box. In order to ensure that the PLC radiates heat normally, the space between the PLC and the control box has to be larger than 50 millimeters. 50mm > 50mm > 50mm > 50mm >  Please keep the PLC away from high-voltage equipment, high-voltage wires, and high-voltage motors.  In order to prevent the temperature of a PLC from rising, please do not install the PLC vertically on the bottom/top in the control box.  Please install a PLC horizontally in the control box, as shown above.

 If users intend to increase the number of modules, they have to leave some space for installing the modules in the control box. 2.3.2 Mounting a Backplane  Fixing a backplane by screws Please mount a backplane on a plane by means of M5 screws, as illustrated below. To fix the backplane, users need to judge the length of a screw, the size of a thread, and whether to use a nut according to the actual condition of the plane unless there are specific specifications for a screw which are indicated in the pictures below. 1. Tighten the M5 screws in the holes indicated by a . a a 2-10