Mitsubishi Electric MELCEC Q Series User Manual page 88

4. CPU MODULE
(4)
(5)
(6)
When using the extension base unit (QA1S6 B), be sure to install the power supply
module.
Although modules with light load may operate without the power supply module,
stable operation is not guaranteed.
Tighten the screws such as module fixing screws within the following ranges.
QCPU-A module fixing screw (M3
AnS series module mounting screw (M4)
I/O module terminal block installation screw (M3.5)
Power supply module terminal screw (M3.5)
When using the extension cable, do not install them together with the main circuit
cables (high voltage, large current), or bring them close to each other.
Screw
12)
4 - 42
Tightening Torque Range
36 to 48N cm
78 to 118N cm
59 to 88N cm