Mitsubishi Electric MELSEC iQ-R Series - Page 28

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1 SYSTEM CONFIGURATION
1.1 Overall Configuration
MELSEC-Q series modules and base units can be used by connecting the RQ extension base unit in the
MELSEC iQ-R series system. ( Page 113 Connection Method for the Extension Base Unit)
MELSEC-Q series power supply modules, I/O modules, and intelligent function modules can be mounted on
the RQ extension base unit. ( Page 82 RQ extension base unit (for MELSEC-Q series modules))
Using the RQ extension base unit enables the use of the existing MELSEC-Q series system as shown below.
I/O0
CPU
POWER
I/O2I/O1 I/O3 I/O4
5V
SG
FG
OUT
MELSEC-Q series system MELSEC iQ-R series system
MELSEC-Q series main base unit
MELSEC-Q series extension base unit
MELSEC iQ-R series main base unit
MELSEC-Q series extension base unit
RQ extension base unit