Base Unit; Main Base Unit - Mitsubishi Electric MELSEC iQ-R Series Configuration Manual

3.2

Base Unit

Main base unit

This section describes the part names of the main base unit. (The R312B is used as an example.)
(1) (2) (5) (9)
(8)
(6)
No. Name
(1) Extension cable connector (OUT)
(2) Extension connector cover
(3) Module connector
(4) Module fixing hole
(5) Base unit installation hole
(6) DIN rail adapter mounting hole
(7) Guide
(8) Production information marking
(9) 10m mark
For the redundant power supply main base unit, the power supply module mounted on the left power supply slot is POWER 1,
and the power supply module mounted on the right power supply slot is POWER 2. This number is used to recognize the
redundant power supply module when the special relay or special register is used.
3 PART NAMES
80
3.2 Base Unit
(4)
Description
A connector for connecting to an extension base unit. A MELSEC iQ-R series extension cable is connected
here.
When no cable is connected, attach the supplied extension connector cover to prevent entry of foreign matter
such as dust.
A protective cover for the extension cable connector
A connector for mounting MELSEC iQ-R series modules.
Attach a blank cover module (RG60) to a connector where no module is mounted to prevent entry of foreign
matter such as dust.
A screw hole to fix a module to the base unit (M312 screw)
A hole to install a base unit to a control panel (M4 screw)
A hole to mount a DIN rail adapter
A guide to mount a module to the base unit
Shows the production information (16 digits) of the module.
Indicates that the base unit supports the ten-meter extension cable (RC100B).
(3) (7)