Before Turning On The Power - Panasonic FPG Series Technical Manual

Turning the Power ON and OFF, and Booting the System

5.2 Before Turning ON the Power

Items to check before turning ON the power
System configuration example
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 Positioning unit.
Check to make sure the connection of the Positioning unit with Over limit switches.
Check to make sure that Over limit switches have been properly installed.
④ Checking the procedure settings for turning ON the power supplies
Make sure settings have been entered so that power supplies will be turned ON according to the
procedure outlined in section 5.3.1, "Procedure for Turning ON the Power".
⑤ Checking the CPU mode selection switch
Set the CPU in the PROG. mode. Setting it in the RUN mode can cause inadvertent operation.
Note:
When the power to the PLC is turned ON, internal data in the shared memory will be cleared (set to
zero). Check to see whether the start flag for the various operations of the positioning unit are OFF. If
they are ON, a set value error will occur for the positioning unit, unless the data settings for the shared
memory have been entered.
5-4
FP2 positioning Unit