3.2 Before Turning On the Power
3-3
3.2 Before Turning On the Power
System configuration example
Items to check before turning on the power
①
Checking connections to
the various devices
Check to make sure the various devices have been connected as
indicated by the design.
②
Checking the installation of
the external safety circuit
Check to make sure the safety circuit (wiring and installation of over
limit switch) based on an external circuit has been installed securely.
③
Checking the installation of
the safety circuit based on
the unit
Check the connection between the unit and over limit switches.
Check the installation condition of the over limit switches.
④
Checking the procedure
settings for turning ON the
Make sure settings have been entered so that power supplies will be
turned on according to the procedure outlined in section “Procedure
for Turning On the Power”.
⑤
Checking the CPU mode
selection switch
Set the CPU unit to PROG. mode. Setting it in the RUN mode can
cause inadvertent operation.
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