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2.4 Instruction Details
1
2
3-145
Chapter 2 Instructions
Note 3: When an STA instruction is executed while the setting value of a counter or
a timer is smaller than the current value, the current value is changed to be the
setting value.
■ First-in first-out (FIFO)
The data once fetched is written into DM0004,
DM0003, …, to DM0000 in this order. At the
unloading timing, data is fetched from
DM0004 and the contents of DM are shifted
to the next DM.
The OK/NG judgment and unloading timings can be used in asynchronous pro-
grams.
Coding
DM0000
DM0001
DM0002
DM0003
DM0004
Unloading
timing
OK/NG
judgment
Data
shift
0000 1000 0001
DM0004
LDA
$1111
LDA
DM0000
STA
$0000
CMP
DM0003
LDA
DM0004
STA
$0000
LDA
DM0003
STA
1000
0001
$5555
LDA
DM0000
STA
DIFU
2002 2010
DM0003
LDA
$0000
CMP
DM0002
LDA
DM0003
STA
$0000
LDA
DM0002
STA
2002 2010
DM0002
LDA
$0000
CMP
DM0001
LDA
DM0002
STA
$0000
LDA
DM0001
STA
2002 2010
DM0001
LDA
$0000
CMP
DM0000
LDA
DM0001
STA
$0000
LDA
DM0000
STA
2002
$0000 DM0004
STA
0002
2010
LDA
Contents of DM is compared with "$0000".
When two values match, contents of one
previous DM is transferred, then "$0000" is
transferred to DM.
"$0000" is transferred to DM
at unloading timing.
OK/NG judgment
timing
OK/NG judgment
"$1111" is transferred to
DM0000.
"$5555" is transferred to DM0000.
Unloading
timing
Line No. Instruction Operand
0000 LD 0000
0001 DIFU 1000
0002 CON
0003 AND 1000
0004 MPS
0005 AND 0001
0006 LDA $1111
0007 CON
0008 STA DM0000
0009 MPP
0010 ANB 0001
0011 LDA $5555
0012 CON
0013 STA DM0000
0014 LD 2002
0015 LDA DM0004
0016 CON
0017 CMP $0000
0018 CON
0019 AND 2010
0020 LDA DM0003
0021 CON
0022 STA DM0004
0023 CON
0024 LDA $0000
0025 CON
0026 STA DM0003
0027 LD 0002
0028 LDA DM0003
0029 CON
0030 CMP $0000
0031 CON
0032 AND 2010
0033 LDA DM0002
0034 CON
Line No. Instruction Operand
0035 STA DM0003
0036 CON
0037 LDA $0000
0038 CON
0039 STA DM0002
0040 LD 2002
0041 LDA DM0002
0042 CON
0043 CMP $0000
0044 CON
0045 AND 2010
0046 LDA DM0001
0047 CON
0048 STA DM0002
0049 CON
0050 LDA $0000
0051 CON
0052 STA DM0001
0053 LD 2002
0054 LDA DM0001
0055 CON
0056 CMP $0000
0057 CON
0058 AND 2010
0059 LDA DM0000
0060 CON
0061 STA DM0001
0062 CON
0063 LDA $0000
0064 CON
0065 STA DM0000
0066 LD 0002
0067 @LDA $0000
0068 CON
0069 @STA DM0004
LDA / @LDA / STA @STA
KVNKA Chap 02_4cP.p65 08.3.11, 0:02 PM145
- Programming 1
- Safety Precautions 2
- WARRANTIES AND DISCLAIMERS: 2
- Note to User 3
- How this manual is organized 8
- Contents 10
- Chapter 2 Instructions 11
- Installation 13
- Chapter 6 Handheld Programmer 17
- 2 Support software 20
- Chapter 2 Editor KV-300 21
- Chapter 3 Simulator 22
- Chapter 4 Monitor 22
- Appendices 23
- WARRANTIES AND DISCLAIMERS 24
- Chapter 1 25
- 1.1 Before Creating Programs 26
- 1.1.2 Scan Time 27
- 1.2 User Memory 28
- 1.3 Device Configuration 29
- Chapter 1 Programming 30
- 1.3.2 Relay No 31
- 1.3.3 Assigning Relay Nos 32
- 1.3.4 Input Relays 33
- 1.3.5 Output Relays 34
- 1.3.6 Internal Utility Relays 35
- 1000 turns ON at every hour 36
- Other special utility relays 39
- 1.3.9 Timers and Counters 42
- 1.3.10 Data Memories 43
- 1.3.11 Temporary Data Memory 45
- 1.4 Special Functions 47
- Modification within the CPU 48
- 1.4.3 Constant Scan Time Mode 49
- 0000 2300 50
- 1.5 Extended Ladder Diagrams 51
- 0000 2301 52
- Chapter 2 57
- 2.1 Instruction List 58
- 2.1.3 Arithmetic Instructions 62
- 2.1.4 Interrupt Instructions 65
- 2.2 Instruction List 66
- 2.2.3 Arithmetic Instructions 72
- < DI > 78
- < EI > 78
- 2.3 Convention Details 79
- LD: Load 81
- LDB: Load Bar 81
- 0000 0001 82
- Incorrect 84
- ANL: And Load 85
- ORL: Or Load 87
- OUT: Out 89
- OUB: Out Bar 89
- SET: Set 90
- RES: Reset 90
- (TMR No.) 91
- TMH: 0.01-s Timer 92
- TMS: 1-ms Timer 93
- C: Counter 96
- 0002 C002 97
- Special utility relay 98
- (1-second clock) 98
- (Preset value) 100
- Low-order 101
- 4 digits 101
- High-order 101
- DIFU: Differentiate Up 102
- DIFD: Differentiate Down: 102
- Chapter 2 Instructions 103
- 2.4 Instruction Details 103
- KEEP: Keep 104
- SFT: Shift 106
- (Relay No.) 107
- Enable input 110
- 1) 2) 3) 111
- Turns ON 112
- 1-s timer 112
- MC: Master Control 113
- MCR: Master Control 113
- SW1SW2SW3SW4 116
- Details of MEMSW 117
- Description 117
- NOP: No Operation 118
- END: End 118
- ENDH: End Hi 118
- W-ON: Wait ON 120
- W-OFF: Wait OFF 120
- Operands 121
- Key operation 121
- W-UE: Wait Up Edge 122
- W-DE: Wait Down Edge 122
- 0503050205010500 126
- MPS: Push 127
- MRD: Read 127
- MPP: Pop 127
- Start of branch 128
- Connection of branch 128
- End of branch 128
- MPS MPS MPS MPS 129
- STG: Stage 130
- JMP: Jump 130
- ENDS: End Stage 130
- Details of STG instruction 132
- Initial setting 134
- Reset input 134
- STG start relay 134
- STG end relay 134
- Double coil 135
- Interlock 135
- 3 seconds 136
- STP: Step 138
- STE: Step End 138
- ITVL: Interval Timer 141
- Setting procedure 142
- CALL: Subroutine Call 146
- SBN: Subroutine Entry 146
- RET: Subroutine Return 146
- Subroutine program 148
- FOR: Repeat Start 149
- NEXT: Repeat End 149
- Indirect addressing 151
- This operation is repeated 153
- DM0000 is 153
- HKEY: 16-Key Input 155
- BCD Digital switch 157
- 2.4.3 Arithmetic Instructions 158
- Internal register 159
- @xxxx: Differentiation 161
- TMIN: Trimmer In 162
- Trimmer Setting 162
- LDA: Load A 164
- @LDA: Load A 164
- STA: Store A 164
- @STA: Store A 164
- Arithmetic flag 165
- CMP: Compare 170
- @CMP: Compare 170
- Hexadecimal 174
- ResultArithmetic operation 174
- ADD (Addition) 175
- DM0003) into DM100 176
- (Stores positive value) 177
- (Stores negative value) 177
- Positive value DM0002 177
- Negative value DM0003 177
- Hexadecimal number 179
- Remainder 180
- Quotient 181
- (DM0001+DM0002+DM0003) 182
- (DM0000) ^ ($00FF) = (DM0001) 183
- (Logical sum) 185
- Exclusive Or A 188
- (Exclusive 188
- @SLA: Shift Left A 190
- SRA: Shift Right A 190
- @SRA: Shift Right A 190
- SLA: Shift Left A 190
- RRA: Rotate Right A 193
- @RRA: Rotate Right A 193
- RLA: Rotate Left A 193
- @RLA: Rotate Left A 193
- Complement 195
- (Bit inversion) 195
- 0000 DM0000 197
- 7-segment display 203
- TBCD: Transfer BCD 204
- @TBCD: Transfer BCD 204
- TBIN: Transfer BIN 204
- @TBIN: Transfer BIN 204
- DM0000 x DM0001 = 206
- ... TM01 206
- ÷ #10000 206
- ROOT: Square Root 209
- @ROOT: Square Root 209
- 2.5 Programming Notes 213
- Programming precautions 214
- Chapter 3 215
- Interrupt 216
- Visual KV 217
- 3.2 Interrupt Processing 218
- 3.2.2 Types of Interrupts 219
- 3.2.3 Interrupt Priority 220
- 3.2.4 Interrupt Program 220
- 3.3 Direct Input/Output 221
- Two Points 225
- Chapter 4 227
- Input-enable relay 228
- Count input 228
- 1. KV-300/Visual KV only 228
- 2. Visual KV only 228
- * Read-only relay 231
- Counters 235
- 4.3.4 Count Input Method 236
- (Counter value) 237
- External 239
- (single-phase input) 248
- 4.4.4 Ring Counter Function 249
- 4.5.5 Cam Switch Function 257
- 4.6 Direct Clock Pulse Output 261
- Comparator 262
- Pulse period 263
- ON ON ON ON 264
- 00220.1 µs005 268
- 10220. 01 µs05 268
- 20220. 001 µs5 268
- Pulse Count 273
- (Ramp-up/down control) 275
- Chapter 5 277
- Upper digit 278
- Lower digit 278
- Procedures 279
- 5.2.2 Operating Procedure 281
- Control Function 282
- Function 283
- Set parameters for auto 290
- Stop pulse output at the 290
- Chapter 6 291
- 6.1 Interrupt Instructions 292
- Interrupt priority 293
- Interrupt routine 293
- Direct output 294
- Direct input 294
- 6.1.2 Interrupt Instructions 295
- INT: Interrupt 296
- RETI: Return Interrupt 296
- Pulse width 297
- 2206(OFF) 2206(ON) 297
- Example 3 298
- 6.1 Interrupt Instructions 299
- 6.2 Direct Clock Pulse 300
- For KV-10/80 users 301
- 6.2 High-speed Counters 302
- Outline of Pulse Output 303
- KV-10/80 307
- 2100 2200 1.0 µs 10 to 65535 307
- 2101 2201 10.0 µs1 to 65535 307
- 2102 2202 100.0 µs1 to 65535 307
- CTH0 value 308
- CTH1 value 310
- * Refer to page 3-276 311
- *Refer to page 3-276 314
- 0000001001101000 316
- Special utility 316
- 6.3 Positioning Control 320
- Setting parameters 321
- Preset frequency 322
- Run frequency 323
- Start frequency 323
- 6.3 Positioning Control 324
- Ramp-up/down control 325
- Chapter 7 329
- 10 ms or longer 332
- 100 ms or longer 332
- 7.2 Serial Communication 333
- Commands 335
- 7.2.5 Other Response Codes 339
- 7.2.6 Error Code List 340
- 7.2.7 Example Program 341
- 7.3 Loading Text Data 342
- 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 343
- 7.3.3 Sample Program 344
- 7.4 ASCII Code List 345
- 7.4 ASCII Code List 346
- Chapter 8 347
- 8.1 List 348
- Basic Instructions 350
- 8.2 Details 351
- Application Instructions 358
- Transfer 365
- Refer to p. 3-131 366
- Arithmetic Instructions 367
- Sets C001 381
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