Mitsubishi Electric Q172CPU Programming Manual page 541

10 ROM OPERATION FUNCTION
No. Name
7) RUN/STOP switch
RESET/L.CLR switch
8)
(Momentary switch)
Dip switches
ON SW
1
2
9)
3
4
5
10) Memory card EJECT button Used to eject the memory card from the Motion CPU.
(Note-1) : It is not possible to reset the Multiple CPU system by each of the PLC CPU/Motion CPU No.2 to 4.
If it is reset, other CPU occurred to stop of the overall Multiple CPU system where "MULTI CPU DOWN" (Error code : 7000).
The overall Multiple CPU system reset is resetting the CPU No.1 of PLC CPU.
(2) Applications of switches
• Move to RUN/STOP.
RUN : Motion program is started.
STOP : Motion program is stopped.
RESET : Set the switch to the "RESET" position once to reset the hardware.
Applies a reset after an operation error and initialized the operation.
L.CLR : Clear the latch area all data which set with the parameters.
(LATCH CLEAR also clears data outside the latch area at this time.)
(Note-1) • Latch clear operating method
1) Set the "RUN/STOP" switch to "STOP".
2) Move the "RESET/L.CLR" switch to "L.CLR" several times until the "M.RUN
LED" flickers.
("M.RUN LED" flickers : Latch clear completed. )
3) Move the "RESET/L.CLR" switch to "L.CLR" once more. ("M.RUN LED" turn off.)
Dip switch 1 Must not be used. (Shipped from the factory in OFF position)
ROM operating setting (Shipped from the factory in OFF position)
Dip switch 2
Dip switch 3
Dip switch 4 Must not be used. (Shipped from the factory in OFF position)
Dip switch 5
(Installation •
ROM writing Turn ON dip switch 5 when installed the operating system software into the Motion
switch) CPU module from the peripheral device. After completing the installation, move
to switch and re-start.
Application
SW2 SW3
OFF OFF Mode operated by RAM
ON OFF Must not be set
OFF ON Must not be set
ON ON Mode operated by ROM
ON : Installation mode • mode written in ROM
OFF : Normal mode (Mode operated by RAM / Mode operated by ROM)
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