Mitsubishi Q2ACPU User Manual page 282

17. BASE UNIT AND EXTENSION CABLE
(3)
Stage number setting switch
Switch for setting the stage number
of the extension base unit. (located
under the base cover) For the
stage number setting procedure,
see
Section 17.6.
Guide hole for base installation
A bell-shaped hole used to install
the base unit to a control panel.
(For M5 screw)
Extension cable connector
Connector for sending and receiving
signals to and from the extension
base unit. Connect the extension
cable (AC B).
Base cover
A protective cover for the connector
for the extension cable. To connect
with another extension base unit, the
part enclosed by a groove at the
portion marked "OUT" on the base
cover must be removed with a tool
such as nippers.
REMARK
Extension base units (A52B, A55B, A58B)
Module fixing cutout
The projection and hook on a rear
of a module are inserted for fixing
the module.
FG terminal
Ground terminal connected to the
shielding pattern on the printed
wiring board. (located under the
base cover.)
The item indicated by shading
starting operation.
Module connector
must be set before installing the base unit and
17 - 10
Connectors for loading I/O
modules.
To prevent dust from entering
the connector with no module
installed, attach the supplied
blind cap, blank cover (AG60),
or dummy module (AG62).
Module fixing screw
Modules can be fixed with a
screw in addition to the module
fixing hook. Screw size:
M4 0.7 screw