Part Names And Settings - Mitsubishi Electric MELCEC Q Series User Manual

6. BASE UNIT AND EXTENSION CABLE
6.2

Part Names and Settings

Part names of the base unit are shown below.
(1)
5)
OUT
2)
1)
No. Name
1)
Extension cable connector
2) Base cover
3) Module connector
4) Module mounting screw hole Screw hole to fix a module to the base.
5) Base installation hole
6) Hook for DIN rail
Main base unit (QA1S33B, QA1S35B, QA1S38B)
4)
5V
CPU
SG
FG
POWER
I/O0
A connector used to connect an extension cable, by which signals can be
transmitted to/from an extension base unit.
A protective cover for the connector for the extension cable. To extend, the area
surrounded by the groove below the OUT sign on the base cover has to be
removed using a tool such as a nipper.
Connectors used to install the power supply module, CPU modules, I/O modules,
and/or special function modules.
To prevent dust from entering, attach the supplied connector cover or a blank
cover (A1SG60) to the connector with no module installed.
Screw size for CPU module: M3
Screw size for other than CPU module: M4
A bell-shaped hole used to install the base unit to a control panel. (For M5 screws)
Hook for DIN rail installation.
QA1S33B ............................................................................. 1 pc
QA1S35B, QA1S38B ........................................................... 2 pcs
I/O1 I/O2 I/O3 I/O4
3)
6)
Description
12
6 - 3
I/O5 I/O6 I/O7
QA1S38B
12