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2 Instructions
CP1E CPU Unit Instructions Reference Manual(W483)
Floating-point Math
Instructions
2
+F, –F, *F, /F
*F
/F
• If the absolute value of the result is greater than the maximum value that can be expressed as float-
ing-point data, the Overflow Flag will turn ON and the result will be output as ±∞.
• If the absolute value of the result is less than the minimum value that can be expressed as floating-
point data, the Underflow Flag will turn ON and the result will be output as 0.
Operation rules
The result of an operation is output as shown below depending on the combination of floating-point
data.
FLOATING-POINT ADD (+F)
Note 1 The results could be zero (including underflows), a numeral, +∞, or –∞.
ER The Error Flag will be turned ON and the instruction will not be executed.
FLOATING-POINT SUBTRACT (–F)
Note 1 The results could be zero (including underflows), a numeral, +∞, or –∞.
ER The Error Flag will be turned ON and the instruction will not be executed.
Augend
Addend 0 Numeral +∞ –∞ NaN
0 0 Numeral +∞ –∞
Numeral Numeral See note 1. +∞ –∞
+∞ +∞ +∞ +∞ ER
–∞ –∞ –∞ ER –∞
NaN ER
Minuend
Subtrahend 0 Numeral +∞ –∞ NaN
0 0 Numeral +∞ –∞
Numeral Numeral See note 1. +∞ –∞
+∞ –∞ –∞ ER
–∞
–∞ +∞ +∞ +∞ ER
NaN ER
R+1
R
Md Multiplicand (floating-point data, 32 bits)
Md+1
Mr Multiplier (floating-point data, 32 bits)
Mr+1
Result (floating-point data, 32 bits)
×
R+1
R
÷
Dd
Dividend (floating-point data, 32 bits)
Dd+1
Dr
Divisor (floating-point data, 32 bits)
Dr+1
Result (floating-point data, 32 bits)
- INSTRUCTIONS 1
- REFERENCE MANUAL 1
- OMRON, 2009 2
- CP1E-N@@D@-@ 3
- CP1E-NA@@D@-@ 3
- CP1E CPU Unit 3
- SYSMAC CP Series 3
- CP1E-E@@D@-@ 3
- Introduction 4
- CP1E CPU Unit Manuals 5
- Manual Configuration 6
- (This Manual) 6
- Manual Structure 8
- Terminology and Notation 9
- Sections in this Manual 10
- WARRANTY 15
- LIMITATIONS OF LIABILITY 15
- Application Considerations 16
- Disclaimers 17
- Safety Precautions 18
- CautionCaution 19
- Precautions for Safe Use 21
- Trademarks 22
- Summary of Instructions 25
- 1 Summary of Instructions 26
- Constants 39
- Examples 39
- Condition Flags 40
- Symbol Instructions 40
- Sequence Input Instructions 41
- LD/LD NOT 43
- AND/AND NOT 45
- OR/OR NOT 47
- AND LD/OR LD 49
- SET/RSET 65
- SETA/RSTA 67
- SETB/RSTB 69
- Precautions 72
- Usage OK OK OK 75
- MILH/MILR/MILC 80
- JMP/CJP/JME 89
- FOR/NEXT 92
- Overview 96
- Applicable Instructions 96
- Basic Timer Specifications 96
- Operating Mode 97
- 2 Instructions 100
- Timer reset method 101
- TIM/TIMX 102
- Function 103
- Precautions 103
- Sample program 104
- TIMH/TIMHX 105
- TMHH/TMHHX 108
- TTIM/TTIMX 110
- TIML/TIMLX 113
- CNT/CNTX 116
- CNTR/CNTRX 119
- CNR/CNRX 122
- Comparison Instructions 124
- Functioni 125
- 2: D200S1: D100 126
- 2: D210S1: D110 126
- Applicable Program Areas 127
- Operands 127
- Operand Specifications 128
- Day of month 130
- CMP/CMPL 131
- CPS/CPSL 134
- ZCP/ZCPL 141
- Data Movement Instructions 144
- Name Label Operation 150
- • OFF in all other cases 150
- Sample Program 154
- Of: Offset 159
- Data Shift Instructions 163
- Wd: Word 171
- ROL(027) 171
- NASL/NSLL 177
- NASR/NSRL 180
- ++B/++BL 189
- --B/--BL 192
- Symbol Math Instructions 194
- +BC/+BCL 200
- Mi: CIO 200 205
- Su+1: CIO 121 Su: CIO 120 205
- –BC/–BCL 211
- Conversion Instructions 221
- 00 000 0520030D270 222
- BCD/BCDL 223
- 00 D32 A02 02 619 039 224
- 8-to-256 bit decoding 229
- R=1 (Convert 2 bytes.) 229
- Precaution 234
- 256-to-8 bit Conversion 236
- Parity 240
- Examples of Di 240
- Output example 244
- Logic Instructions 246
- ORW/ORWL 248
- XORW/XORL 250
- COM/COML 252
- Special Math Instructions 254
- 16-bit Unsigned BCD Data 258
- 16-bit Unsigned Binary Data 258
- 16-bit Signed Binary Data 258
- 32-bit Signed Binary Data 258
- Ω 0F00 0086 000F )×(–= 260
- Data Format 265
- Number of Digits 265
- Floating-point Data 265
- Special Numbers 265
- Writing Floating-point Data 266
- FIX/FIXL 269
- FLT/FLTL 271
- +F, –F, *F, /F 273
- Floating-point Math 275
- Instructions 275
- +F, –F, *F, /F 275
- FLOATING-POINT DIVIDE (/F) 276
- Decimal point 282
- 15 87 0 286
- Storage of ASCII Text 287
- Byte position is swapped 290
- Data Control Instructions 293
- PID Control 295
- Performance Specifications 296
- Calculation Method 296
- PID Parameter Settings 297
- PID control 300
- PID Action 301
- Direction of Action 302
- Adjusting PID Parameters 302
- Parameter Settings 307
- Execution 307
- PID parameters 310
- Manipulated 310
- Using TPO(685) Alone 311
- Reverse Scaling 315
- Subroutines Instructions 326
- Nested Subroutines 330
- Combined-use instructions 331
- Related Memory Area Words 335
- High-speed Counter/Pulse 349
- Output Instructions 349
- Step Instructions 377
- SNXT/STEP 378
- Step Instructions 379
- SNXT/STEP 379
- Name Address Details 380
- Step (A) ladder program 383
- Step (B) ladder program 383
- Step (C) ladder program 383
- (3) Parallel Control 384
- Application Examples 385
- (3) Parallel Execution 387
- Basic I/O Unit Instructions 388
- Units Refreshed by IORF(097) 389
- 7-segment Data 392
- External Connections 395
- Timing Chart 395
- CIO WR HR AR T C DM @DM *DM 398
- Error Flag P_ER OFF 399
- System word 402
- (Cannot be accessed b 402
- Related PLC Setup Settings 406
- Programming Example 409
- Controlling Signals 409
- Controlling Signals 415
- Clock Instructions 416
- R through R+2: Result Data 417
- FAL number 1 to 511 decimal 425
- FAL error codes 4101 to 42FF 425
- Other Instructions 434
- Number of Steps 437
- Times and Number of Steps 438
- Sequence Output Instructions 439
- Sequence Control Instructions 440
- Subroutine Instructions 446
- I/O Unit Instructions 447
- 4-1 Monitoring the Cycle Time 450
- 4-2 Computing the Cycle Time 451
- 4-2-2 Cycle Time Overview 452
- (5) Peripheral Servicing 453
- Additional Information 453
- Conditions 454
- Calculation Example 454
- Appendices 455
- Four leftmost bits 464
- Four rightmost bits 464
- Revision History 465
- Revision-2 466
- OMRON Corporation 467
- Regional Headquarters 467
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