3floating-point math instructions, Table data processing instructions, Data control instructions – Omron SYSMAC CP CP1E-N@@D@-@ User Manual

Page 445: 3 instruction execution times and number of steps

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3-9

3 Instruction Execution Times and Number of Steps

CP1E CPU Unit Instructions Reference Manual(W483)

3-

1 CP1E CPU Un

it In

struc

tion

Ex
e

c

utio

n

T

imes and Num

ber

of

3

Floating-point Math Instructions

Instruction

Mnemonic

FUN

No.

Length
(steps)

ON execution

time (

µs)

Conditions

FLOATING TO 16-BIT

FIX

450

3

15.9

---

FLOATING TO 32-BIT

FIXL

451

3

16.2

---

16-BIT TO FLOATING

FLT

452

3

16.2

---

32-BIT TO FLOATING

FLTL

453

3

17.1

---

FLOATING-POINT ADD

+F

454

4

24.1

---

FLOATING-POINT SUBTRACT

-F

455

4

25.2 ---

FLOATING-POINT DIVIDE

/F

457

4

25.0

---

FLOATING-POINT MULTIPLY

∗F

456

4

24.4 ---

Floating Symbol Comparison

LD,AND,OR+=F

329

3

11.6

---

LD,AND,OR+

<>F

330

---

LD,AND,OR+

<F

331

---

LD,AND,OR+

<=F

332

---

LD,AND,OR+

>F

333

---

LD,AND,OR+

>=F

334

---

FLOATING- POINT TO ASCII

FSTR

448

4

56.8

---

ASCII TO FLOATING-POINT

FVAL

449

3

42.9

---

Table Data Processing Instructions

Instruction

Mnemonic

FUN

No.

Length
(steps)

ON execution

time (

µs)

Conditions

SWAP BYTES

SWAP

637

3

16.8

Swapping 1 word

6250.0

Swapping 1,000 words

FRAME CHECKSUM

FCS

180

4

24.1

For 1-word table length

2710.0

For 1,000-word table length

Data Control Instructions

Instruction

Mnemonic

FUN

No.

Length
(steps)

ON execution

time (

µs)

Conditions

PID CONTROL WITH AUTOTUN-
ING

PIDAT

191

4

316.0

Initial execution of PID processing

270.0

PID processing When sampling

228.0

PID processing When not sampling

275.5

Initial execution of autotuning

276.0

Autotuning when sampling

TIME-PROPORTIONAL OUTPUT

TPO

685

4

5.8

OFF execution time

40.8

ON execution time with duty designation
or displayed output limit

43.4

ON execution time with manipulated vari-
able designation and output limit enabled

SCALING

SCL

194

4

24.8 ---

SCALING 2

SCL2

486

4

20.2

---

SCALING 3

SCL3

487

4

26.4

---

AVERAGE

AVG

195

4

24.2

Average of an operation

225.5

Average of 64 operations

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