Name Boolean Symbol Description
Steps *5 *6
FP0/FP-e
FP0R
FP
FP-X
FP-X0
FP2
FP2SH/FP10SH
Push stack PSHS
Stores the operated result up to this
instruction. *2
1
Read stack RDS
Reads the operated result stored by
Reads and clears the operated result
stored by the PSHS instruction
1
differential
DF
Turns on the contact for only one
scan when the leading edge of the
differential
DF/
Turns on the contact for only one
scan when the trailing edge of the
Turns on the contact for only one
scan when the leading edge of the
trigger is detected. The leading edge
detection is possible on the first scan.
Output is set to and held at on.
3
Reset RST
Output is set to and held at off.
3
Keep KP
Outputs at set trigger and holds until
reset trigger turns on.
1(2)
*5
Basic function instructions
After set value “n” x 0.001 seconds,
timer contact “a” is set to on.
3(4)
*6
*3
*3
*3
*3
*3
TMR
After set value “n” x 0.01 seconds,
timer contact “a” is set to on.
3(4)
*6
*3
After set value “n” x 0.1 seconds,
timer contact “a” is set to on.
3(4)
*6
*3
*3
*3
*3
*3
TMY
After set value “n” x 1 second, timer
contact “a” is set to on.
4(5)
After set value “S” x 0.01 seconds,
the specified output and R900D are
After set value “S” x 0.01 seconds,
the specified output and R900D are
set to on.
7
Executes the filter processing for the
specified input.
9
*4
*4
Decrements from the preset value “n”
3(4)
*6
*3
*3
*3
*3
: Available, : Not available, : Not available partially
*1) The type of the devices that can be specified depends on the models.
*2) The allowable number of using the PSHS and RDS instruction depends on the models.
*3) Any device can be set for the setting value of the counter or timer instruction. (As for FP-X, Ver.2.0 or later only)
*4) This instruction is available for FP-X Ver. 2.0 or later.
*5) In the FP2/FP2SH/FP10SH, when Y1280, R1120 (including special internal relay) or L1280 is specified by KP instruction,
the number of steps is shown in parentheses. Also, in the FP2/FP2SH/FP10SH, when a relay number has an index
modifier, the number of steps is shown in parentheses.
*6) In the FP2/FP2SH/FP10SH, when timer 256 or higher, or counter 255 or lower, is used, the number of steps is the
number in parentheses. Also, in the FP2/FP2SH/FP10SH, when a timer number or counter number has an index modifier,
the number of steps is the number in parentheses. For the FPΣ, FP-X and FP-X0, the number of steps varies according
to the specified timer number or counter number.
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