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4.2.2 Device clear
Device memory values and file register values can be cleared with the display unit.
The device clear includes the following functions.
• Device memory clear
• File register clear
Device clear can be executed while the CPU module is in the STOP or PAUSE status.
(1) Screen transition
The following shows screen transition of device clear.
(2) Devices whose value can be cleared
(a) Device memory clear
The following table shows devices whose value can be cleared by device memory clear. Whether to clear the
values of devices within latch range can be selected.
*1 A value stored within latch range cannot be cleared.
(b) File register clear
Only fire register (R, ZR) values can be cleared by file register clear.(including extended data register (D) and
extended link register (W))
Type Device
Bit device X (DX), Y (DY), M, L, B, F, SB, V, S, T (contact, coil), ST (contact, coil), C (contact, coil), FX, FY, FD
Word device
D, D (extended data register), W, W (extended link register), SW, Z, R
*1
, ZR
*1
, T (current value), ST (current value),
C (current value)
"Function selection" screen
"CPU monitor/test" screen
"Device clear" screen
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