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CHAPTER 8 BASE UNIT
8
8.1 Part Names
CHAPTER 8 BASE UNIT
This chapter describes base units that can be used in a programmable controller system.
Base units are to mount CPU modules, power supply modules, I/O modules, and intelligent function modules.
8.1 Part Names
The part names of the base units are described below.
(1) Main base unit (Q33B, Q35B, Q38B, Q312B)
No. Name Application
1) Extension cable connector
Connector for connecting an extension cable (for signal communications with the extension
base unit)
2) Base cover
Protective cover of extension cable connector. Before an extension cable is connected, the
area of the base cover surrounded by the groove under the word "OUT" on the base cover
must be removed with a tool such as nippers.
3) Module connector
Connector for installing the Q series power supply module, CPU module, I/O modules, and
intelligent function module.
To the connectors located in the spare space where these modules are not installed, attach the
supplied connector cover or the blank cover module (QG60) to prevent entry of dirt.
4) Module fixing screw hole Screw hole for fixing the module to the base unit. Screw size: M3 × 12
5) Base unit installation hole Hole for installing this base unit on a panel such as a control panel (for M4 screw)
6) DIN rail adapter mounting hole Hole for mounting DIN rail adapter
1)
2)
5)
4)
3) 6)
I/O9 I/O10 I/O11I/O8I/O7I/O6IO5I/O4I/O3I/O2I/O1I/O0
CPU
POWER
5V
SG
FG
OUT
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