Manual
2-399
2 Instructions
CP1E CPU Unit Instructions Reference Manual(W483)
 Other Instructions
2
 WDT
WDT
Applicable Program Areas
Operands
T: Timer setting
Specifies the watchdog timer setting between 0000 and 0064 hexadecimal or between &0000 and
&0100 decimal.
 Operand Specifications
Flags
Related PLC Setup Settings
 CX-Programmer settings
Instruction Mnemonic Variations
Function 
code
Function
EXTEND MAXIMUM 
CYCLE TIME
WDT @WDT 094
Extends the maximum cycle time, but only for the cycle 
in which the instruction is executed. WDT(094) can be 
used to prevent errors for long cycle times when a 
longer cycle time is temporarily required for special 
processing.
Symbol
WDT
Area Step program areas Subroutines Interrupt tasks
Usage OK OK OK
Operand Description  Data type Size 
T Timer setting Constants only 1
Area 
Word addresses Indirect DM addresses
Constants CF Pulse bits TR bits
CIO WR HR AR T C DM @DM *DM
T --- --- --- --- --- --- --- --- --- OK --- --- ---
Operand Description Data type
Error Flag P_ER • ON if the watchdog timer setting exceeds 1 second.
• OFF in all other cases.
T: Timer setting
WDT(094)
T










