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4 AUXILIARY AND APPLIED FUNCTIONS
4.12.2 Remote latch clear
Device data of Motion CPU that latched are cleared by MT Developer at PLC
ready flag (M2000) OFF (PCPU READY complete flag (SM500) OFF).
Operation for remote latch clear is combined with remote RUN/STOP.
(1) Operation procedure
(a) Turn OFF the PLC ready flag (M2000) (PCPU READY complete flag
(SM500) OFF) by remote STOP.
(b) Select [Latch clear (1)] or [Latch clear (1)(2)] on "CPU remote operation"
screen displayed by menu [Online] – [Remote Operation], and click
[Execute] button.
(Note): Execute remote RUN to turn ON the PLC ready flag (M2000) after
remote latch clear.
POINT
(1) Remote latch clear cannot be operated while the PLC ready flag (M2000) is ON
(PCPU READY complete flag (SM500) is ON) or test mode.
(2) The following latch area are cleared in the remote latch clear operation.
• Latch clear (1) : Clear the range set in latch area (1)
• Latch clear (1)(2) : Clear the range set in latch area (1) and (2)
(3) The user area (#0 to #7999) of motion device are also cleared by executing remote
latch clear.
(4) All of the user device not latched are cleared by the remote latch clear operation of
latch area (1) and (2).
(5) Set the range of latch area (1) and (2) in the system basic setting of system setting.
(Refer to Section 3.1.3.)