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IP 240 Positioning
Technical Specifications
Block number : 168
Block name : STEU.
POS
AG Library number
Call length/
Block length
CPU
Processing time
1
Function 1 20 21 22 3 41/42 5 6
S5-115U P71200-S 5168-D-2 5 words/
830 words
941-7UA...
942-7UA...
943-7UA...
944-7UA...
approx. 21 22 22 22.5 21 28.5 25.5 25 ms
approx. 9.6 8.4 9.0 10.5 8.8 10.5 9.6 10 ms
approx. 6.6 6.0 6.2 7.6 6.2 6.8 6.6 7.4 ms
approx. 2.3 2.0 2.9 2.8 1.9 2.3 2.0 2.7 ms
approx. 2.3 2.0 2.9 2.8 1.9 2.3 2.0 2.7 ms
941-7UB...
942-7UB...
943-7UB...
944-7UB...
approx.6.4 6.0 6.2 7.4 6.0 6.6 6.4 7.4 ms
S5-135U/
S5-155U
P71200-S 9168-D-2 5 words/
833 words
922 ab A9
928-3UA...
approx. 4.3 4.8 4.8 5.3 5.0 6.2 5.3 5.8 ms
approx. 2.5 2.6 2.8 3.4 2.9 4.0 3.1 3.7 ms
928-3UB... approx. 2.4 2.1 2.1 3.0 2.2 3.0 2.2 3.0 ms
S5-150U P71200-S 4168-D-1 5 words/
805 words
approx. 1.0 0.8 1.0 1.7 1.0 1.7 1.0 1.8 ms
S5-155U P71200-S 6168-B-1 5 words/
947 words
946-3UA.../
947-3UA...
approx. 1.0 0.9 1.8 2.5 1.0 1.6 1.4 1.7 ms
Nesting depth : 0
Subordinate blocks : S5-115U OB160 (only CPUs to -7UB...)
S5-135U OB122
S5-155U OB91, OB122
Reservations in data area : Data block specified in the DBNR parameter. The number of data words depends
on the number of positions stored.
Flags : MB 240 to 255
System area : S5-135U BS 60 to 63
: S5-150U BS 150 to 153
: S5-155U BS 60 to 63
System operations : yes
1
The execution times shown above apply for an FB call following an IP 240 firmware cycle without data interchange.
Note that
• when data are read out from the IP, no further data interchange is possible in that firmware cycle.
• when new data are written to the IP, no further data interchange is possible in that firmware cycle, nor in the
next cycle.
EWA 4NEB 811 6120-02a
10-93
- SIMATIC S5 1
- Counter/Positioning/ 1
- Position Decoder Module 1
- Copyright © Siemens AG 1990 2
- First Printing, March 1991 2
- EWA 4NEB 811 6120-02c 3
- IP 240 Preface 5
- Introduction 6
- Introduction IP 240 7
- Conventions 10
- EWA 4NEB 811 6120-02a 11
- 1 System Overview 13
- System Overview 14
- 2.2 Technical Specifications 18
- 2.2.2 Counting 19
- 2.2.3 Inputs/Outputs 20
- 2.3 LEDs 23
- 2.4 Order Numbers 24
- 3 Addressing 27
- Addressing IP 240 28
- IP 240 Addressing 29
- 4 Hardware Installation 32
- 4.2 Wiring 35
- 4.2.1 Wiring Method 35
- 4.3 Installation Examples 38
- 4.3.1 Inputs 38
- 4.3.2 Outputs 43
- ((1887/3)) 43
- 6.1.2 Digital Outputs 56
- 6.1.3 Interrupt generation 56
- 6.1.4 LEDs 56
- 6.2 Programming 57
- 6.2.2 Control Function Blocks 58
- 6.2.3 Data Blocks 58
- 6.3 Restart Characteristics 59
- 6.3.1 Power On 59
- 6.3.2 CPU STOP 59
- 6.4 Fault and Error Flagging 59
- 6.5 Multiprocessor Operation 62
- 7 Position Decoding 65
- 7.2.2 Resolution 67
- 7.2.3 Reference Tracks 68
- 7.2.4 Hysteresis 73
- 7.2.5 Forcing the IP Outputs 77
- 7.3.2 Control Function Block 87
- 67: KH = 7450; 99
- Position Decoding IP 240 100
- IP 240 Position Decoding 101
- 8 Counting 126
- Counting IP 240 127
- 8.2.2 Final Value 128
- 8.2.3 Forcing the IP Output 128
- IP 240 Counting 130
- 8.3.2 Control Function Block 136
- 9 IP 252 Expansion 156
- IP 252 Expansion IP 240 157
- IP 240 IP 252 Expansion 158
- YOU must 159
- 9.4.2 Data Block Contents 162
- 10 Positioning 167
- 10.1.2 Functional Description 168
- IP 240 Positioning 169
- Positioning IP 240 170
- Switching the IP outputs 173
- 10.3 Numerical Representation 176
- - Actual value 178
- 10.4 Axis Types 180
- 10.4.1 Linear Axis 180
- 10.4.2 Rotary Axis 181
- 10.5 Switching the IP Outputs 183
- 10.7 Actual Value Generation 189
- 10.7.1 Resolution (AFL) 190
- · Specified resolution 191
- 10.7.2 Zero Offset 192
- A negative value must be spe 194
- = - 2,000 194
- a 214
- 10.14 Selecting a Position 216
- 10.14.2 Selecting Position 0 218
- DR n+3 231
- : JU FB 168 232
- 10.23.1 The Data Block 241
- DW 32 to 242
- = 0 Relative zero offset 248
- • Actual value 253
- Format Description 258
- Exceeding 255 260
- With offset 15 you address: 297
- 11.1.1 Status Register 298
- Read error codes 300
- IDLE=1? 301
- 11.4.1 Position Decoding Mode 306
- 11.4.2 Counting Mode 310
- 11.4.3 Reading Error Messages 313
- 11.5 Sample Programs 314
- 12 Response Times 321
- Response Times IP 240 322
- IP 240 Response Times 323
- 12.3 Firmware Execution Times 324
- 13 Encoder Signals 329
- 13.1.2 Timing Requirements 330
- IP 240 Encoder Signals 331
- Encoder Signals IP 240 332
- EWA 4NEB 811 6120-02 a 335
- 14 Error Messages 337
- Invalid hysteresis 338
- 14.2.2 Communications Errors 339
- 14.4.1 Parameter Errors 339
- 14.4.2 Data Errors 340
- =02 Error on selecting HASY 341
- 14.4.3 Communications Errors 342
- Adapter Casing (S5 Adapter) 343
- A.1 Prerequisites 344
- A.4 Interrupt Processing 347
- A.5 Technical Specifications 348
- Addressing S5 Modules 349
- (Adapter Casing and IM 463-2) 349
- B.1 Addressing S5 Modules 350
- I/O area (P area) 351
- Page area 351
- Positioning Module 353
- C.1 Overview 354
- Example: 355
- Standard functions: 355
- Examples: 355
- C.2 Counting Functions 356
- Function FC 171 (STRU_DOS) 356
- Function FC 172 (STEU_DOS) 357
- EWA 4NEB 811 6120-02b 358
- Function FC 164 (STRU_WEG) 359
- Function FC 170 (STEU_WEG) 360
- C.4 Positioning Functions 362
- Function FC 167 (STRU_POS) 362
- Function FC 168 (STEU_POS) 363
- Addresses 368
- Cyclic Program 370
- Interrupt Program 371
- DB 170.DBB 45 Hysteresis 377
- IP 240 Index 388
- Index IP 240 389
- 6-1, 10-12, 10-13 393
- 6-1, 7-1 ... 7-3, 7-5 397
- EWA 4NEB 811 6120-02 398
- 5 Operation 409
- 5.1.1 IRx Interrupt Circuits 410
- 5.1.2 I/O Byte 0 (PY) 411
- Master or Slave 412
- Enable for I/O byte 0 412
- IP 240 Operation 413
- 5.2 Output Inhibit (BASP) 414
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