Manufacturer Mitsubishi Electric Product No Q68B Product type Extension Base Units Slots for power supply modules 1 Slots for I/O modules 8 Installations All base units provide installation holes for M4 screws. Dimensions (WxHxD) approx 32.8 cm x 9.8cm x 4.41 cm Weight 0.38 Kg This section describes the precautions to handle the CPU, I/O, special function, power supply, and base module. Do not drop or apply a strong impact to the module housing, memory card, terminal block connectors, and pin connectors.
Do not remove the PC board of the modules from housing. Otherwise, malfunctions may result. When using the expansion base module Q68B, be sure to install the power supply module. Although the module may work without the power supply module under light load, stable operation is not guaranteed. Limit the tightening torque for the module installation screws and terminal block. The system configuration and precautions for using the Q68B extension base unit are described in this section.
Extension base unit connection order Setting order of the expansion stage numbers for expansion base units Expansion base units require the setting of the expansion stage numbers (1 to 7) using the stage setting connector. Assign the expansion stage numbers starting from 1 to 7 to the expansion base units counting from the one which is connected to the main base unit.
