14. Adding and Replacing Modules
14-9
14.3 RI/O-IF module (LQE950)
This section explains how to replace the RI/O-IF module.
The replacement process involves removing the existing module and installing the new one. For details on these
procedures, see
14.3.1
and
14.3.2
respectively.
Figure 14-4 Parts involved in RI/O-IF module replacement process
14.3.1 Removing the RI/O-IF module
(1) Slide the LADDER RUN/STOP switch on the CPU module from RUN to STOP, and confirm that
LDRSTP
appears on the indicator.
(2) Slide the CPU RUN/STOP switch on the CPU module from RUN to STOP, and confirm that
CPUSTP
appears on the indicator.
(3) Turn off the power switch of the power supply module.
(4) Make a note of the cable connections to the terminal block of the RI/O-IF module. This is so you can
reconnect the cables correctly later.
(5) Disconnect the remote I/O cables from the terminal block of the RI/O-IF module.
(6) Loosen the module fixing screws(M4) at the top and bottom of the RI/O-IF module, and remove the
RI/O-IF module from the mount base.
14.3.2 Installing a RI/O-IF module
(1) Confirm that the power switch on the power supply module is off.
(2) Mount the RI/O-IF module to the mount base, and tighten the module fixing screws(M4) at the top and
bottom of the RI/O-IF module(tightening torque: 1.0 N
·
m).
(3) Connect the remote I/O cables to the same terminals on the terminal block of the RI/O-IF module as on
the module you replaced.
(4) Turn on the power switch of the power supply module.
(5) Set the CPU RUN/STOP switch of the CPU module to RUN. Also set the LADDER RUN/STOP switch
to RUN.
(6) Confirm that the RUN LED(green) is on, and that
LDRRUN
appears on the indicator.
RI/O-IF terminal block
LQE950
RI/O-IF
L
L
SHD
A
100VAC
100VDC
PCsOK
RI/O
STOP
STOP
/RUN
TERM
150
Ω
TERM
100
Ω
B
SHD
FG
SHD
RI/O2
A
B
RI/O1
TERM
150
Ω
TERM
100
Ω
SHD
100VAC
100VDC
Summary of Contents for S10VE
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