User`s manual

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4 INSTALLATION AND WIRING
4.4.2 Connecting to the power supply module
The following diagram shows the wiring example of power lines, grounding lines, etc.
to the main and extension base units.
AC
100/110VAC
Fuse
24VDC
AC
DC
Q61P
Q61P
100VAC
FG
LG
INPUT
100-240VAC
FG
LG
INPUT
100-240VAC
ERR
(Note-1)
ERR
(Note-1)
Connect to 24VDC terminals
of I/O module that requires
24VDC internally.
Extension cable
Grounding
Ground
wire
Grounding
Main base unit
(Q38DB)
CPU module
Extension base unit
(Q68B)
I/O module
Ground
wire
(Note) : The operation of the ERR terminal is as follows.
<When the power supply module is installed on the main base unit>
The terminal turns OFF (opens) when the AC power is not input, a CPU module stop error
(including a reset) occurs, or the fuse of the power supply module is blown.
<When the power supply module is installed on the extension base unit>
The terminal is always OFF(open).