User`s manual
Part names Input and output modules
MELSEC System Q, Hardware 6 – 7
Part names of modules with connector
QH00047C, QH00088C
Fig. 6-5: Part names of modules with connector
No. Name Description
I/O indicator LED Indicates the ON/OFF status of I/O and lit when I/O is ON.
37-pin D-sub connector
40-pin connector
Designed for 32- or 64-point module and used to connect
power and I/O signal wires.
Indication selector switch
(64-point modules only)
Used to switch the LED indications between the first-half 32
points and latter-half 32 points of a 64-point module.
Module fixing screw hole Used to fix the module to the base unit (M3x12 screw)
Module loading lever Used to load the module into the base unit.
Tab. 6-5: Part names description
I/O module with 37-pin D-sub connector
I/O module with 40-pin connector