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RS 485 Repeater
10-4
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
10.3 RS 485 Repeater in Ungrounded and Grounded
Operation
Grounded or Ungrounded
The RS 485 repeater is ...
• grounded, if all other nodes in the segment are also operated with a grounded
potential
• ungrounded, if all other nodes in the segment are operated with an ungrounded
potential
Note
The bus segment 1 is grounded if you connect a programming device to the
PG/OP socket of the RS 485 repeater. Ground connection is effected since the
MPI in the programming device is grounded and the PG/OP socket is connected
internally with bus segment 1 in the RS 485 repeater.
Grounded Operation of the RS 485 Repeater
For grounded operation of the RS 485 repeater, you must jump terminals “M” and
“PE” on the top of the RS 485 repeater.
Ungrounded Operation of the RS 485 Repeater
For ungrounded operation of the RS 485 repeater, “M” and “PE” on the top of the
RS 485 repeater must not be interconnected. In addition, the supply voltage of the
RS 485 repeater must be ungrounded.
- A5E00069467-07 1
- Qualified Personnel 2
- Correct Usage 2
- Trademarks 2
- Safety Guidelines 2
- Purpose of the Manual 3
- Required Basic Knowledge 3
- Target Group 3
- Where is this Manual valid? 3
- • S7-400 Instruction List 5
- Finding Your Way 5
- Recycling and Disposal 7
- Further Support 7
- Training Centers 7
- A&D Technical Support 8
- Contents 11
- 1.1 Standards and Approvals 30
- UL Approval 32
- CSA Approval 32
- HAZ. LOC 33
- Cc = Cable capacity 34
- Lc = Cable inductance 34
- FM Approval 36
- Definition of “EMC” 37
- Sinusoidal Interference 38
- System Perturbation 39
- Backup Batteries 40
- Storing Backup Batteries 41
- • never charge them 41
- • never heat them 41
- Operating the S7-400/M7-400 42
- Reducing Vibrations 43
- Degree of Protection 46
- Chapter overview 47
- Weitere Informationen 48
- Fertigungsort 48
- Zulassung 48
- Instandhaltung 49
- Besondere Bedingungen 49
- Further Information 50
- Production Location 50
- Certification 50
- Maintenance 51
- Special Conditions 51
- List of Approved Modules 51
- Informations complémentaires 52
- Lieu de production 52
- Homologation 52
- Entretien 53
- Conditions particulières 53
- Liste des modules homologués 53
- Otras informaciones 54
- Lugar de fabricación 54
- Homologación 54
- Mantenimiento 55
- Condiciones especiales 55
- Ulteriori informazioni 56
- Luogo di produzione 56
- Autorizzazione 56
- Manutenzione 57
- Condizioni particolari 57
- Elenco delle unità omologate 57
- Verdere informatie 58
- Productieplaats 58
- Vergunning 58
- Instandhouding 59
- Speciale voorwaarden 59
- Yderligere informationer 60
- Produktionssted 60
- Godkendelse 60
- Vedligeholdelse 61
- Særlige betingelser 61
- Vyöhyke 2 62
- Lisätietoja 62
- Valmistuspaikka 62
- Hyväksyntä 62
- Kunnossapito 63
- Erityiset vaatimukset 63
- Ytterligare information 64
- Tillverkningsort 64
- Godkännande 64
- Underhåll 65
- Särskilda villkor 65
- Mais informações 66
- Local de produção 66
- Licença 66
- Condições especiais 67
- Επιπλέον πληροφορίες 68
- Τόπος κατασκευής 68
- Συντήρηση 69
- Ιδιαίτερες προϋποθέσεις 69
- 1-42 A5E00069467-07 70
- Structure of the Racks 72
- UL/CSA Note 72
- UR2; (6ES7400-1JA01-0AA0) 73
- Structure of the UR2-H 75
- Suitable Modules for the CR2 77
- Structure of the CR2 77
- Suitable Modules for CR 3 78
- Structure of the CR3 78
- Structure of ER1 and ER2 80
- Order Numbers and Function 84
- Redundant Operation 84
- 3.3 Backup Battery (Option) 86
- 3.4 Controls and Indicators 88
- Meaning of the LEDs 89
- INTF, 5 VDC, 24 VDC 89
- BAF, BATTF 89
- BAF, BATT1F, BATT2F 89
- Overload at 24 V 95
- Overload at 5 V 95
- • Fault after plugging in a 97
- • Fault after switching on: 97
- (6ES7407-0DA00-0AA0) 99
- Power Supply Modules 100
- (6ES7407-0DA01-0AA0) 101
- 3.8 Power Supply Modules 103
- Power Connection 104
- (6ES7407-0RA00-0AA0) 106
- (6ES7407-0RA01-0AA0) 108
- (6ES7405-0DA00-0AA0) 110
- • Rated value 111
- • Permitted range 111
- • Rated values 5 VDC: 4 A 111
- (6ES7405-0DA01-0AA0) 112
- (6ES7405-0KA00-0AA0) 114
- • Rated values 5 VDC: 10 A 115
- 3.14 Power Supply Modules 116
- • Rated values 5.1 VDC/24 VDC 117
- (6ES7405-0RA00-0AA0) 118
- • Rated values 5 VDC: 20 A 119
- (6ES7405-0RA01-0AA0) 120
- Digital Modules 123
- Chapter Overview 124
- 4.1 Module Overview 125
- Introduction 127
- Sequence of Steps 127
- Static and dynamic parameters 128
- Enabling Interrupts 135
- Diagnostic Interrupt 135
- Hardware Interrupt 136
- Hardware Interrupt Lost 136
- Interrupt-Triggering Channels 136
- IEC 61131, Type 1 and Type 2 137
- EN 60947-5-2, Two-Wire BEROs 137
- I v 1.5 mA 138
- (6ES7421-1BL00-0AA0) 139
- DI 32 x 24 VDC 140
- SM 421; DI 32 x 24 VDC 141
- (6ES7421-1BL01-0AA0) 142
- (6ES7421-7BH00-0AB0) 145
- (6ES7421-7BH01-0AB0) 154
- (6ES7421-5EH00-0AA0) 163
- (6ES7 421-7DH00-0AB0) 166
- Channel x of the 171
- DI 421 16 x 24/60 VUC 171
- (6ES7 421-1FH00-0AA0) 172
- (6ES7421-1FH20-0AA0) 175
- (6ES7421-1EL00-0AA0) 178
- DO 16 24 VDC/2 A; 181
- (6ES7422-1BH10-0AA0) 181
- (6ES7422-1BH11-0AA0) 184
- 4.18 Digital Output Module 187
- (6ES7422-5EH10-0AB0) 187
- Changing Fuses 190
- (6ES7422-1BL00-0AA0) 192
- (6ES7422-7BL00-0AB0) 195
- • independent of enable 198
- • without enable diagnostics/ 198
- • with enable diagnostics/ 198
- Characteristics 201
- DO 8 120/230 VAC/5 A 202
- (6ES7422-1FH00-0AA0) 205
- DO 16 120/230 VAC/2 A 206
- DO 16 30/230 VUC/Rel. 5 A 214
- Analog Modules 217
- 5.1 Module Overview 219
- • Voltage 220
- • Current 220
- • The load voltage 220
- Converting Analog Values 223
- Resolution Less than 16 Bits 223
- Measured-Value Resolution 224
- Two Procedures 244
- • after power-up has been 247
- • after parameter 247
- Operational Limit 249
- Basic Error Limit 249
- Operational limit 250
- Using Smoothing 252
- Smoothing Principle 252
- Settling Time 254
- Response Time 254
- Static and Dynamic Parameters 255
- • Type of output Disabled 258
- Cables for Analog Signals 259
- Isolated Analog Input Modules 259
- Non-Isolated Sensors 261
- Connection of Voltage Sensors 262
- Supply Voltage of the Sensors 263
- 5.12 Connecting Thermocouples 269
- Temperature Value 272
- Recommended Compensating Box 273
- 5.17 Analog Module Interrupts 283
- (6ES7431-1KF00-0AB0) 286
- SM 431; AI 8 13 Bit 291
- Default Settings 292
- Measuring Ranges 292
- (6ES7 431-1KF10-0AB0) 293
- • Interference 300
- • Smoothing None 300
- • Ref. junction None 300
- Meas. Method 301
- Chan. n+1 301
- Channel n 301
- Unused Channels 302
- (6ES7431-1KF20-0AB0) 306
- Interference Suppression 311
- AI 8 14 Bit 312
- Meas. Type 313
- Channel n+1 313
- Meas. Type Chan 313
- (6ES7431-0HH00-0AB0) 315
- Measuring range module 316
- • Voltage " 1 V/10 M 319
- • Current " 20 mA/50 319
- • For measuring current 319
- • Load of the two-wire 319
- Measurement Range Modules 320
- Parameters 320
- • Measuring type Disabled 320
- • Measuring 320
- AI 16 13 Bit 321
- (6ES7431-7QH00-0AB0) 323
- AI 16 16 Bit 333
- (6ES7 431-7KF10-0AB0) 338
- AI 8 RTD 16 Bit 345
- (6ES7431-7KF00-0AB0) 346
- • Reference junction 352
- Step Response 352
- AI 8 16 Bit 355
- (6ES7432-1HF00-0AB0) 357
- AO 8 13 Bit 361
- Interface Modules 363
- Function 364
- Configuration 364
- Rules for Connection 366
- Terminator 366
- Connecting Cable 367
- Plus pole Minus pole 368
- Jack 2.5 mm ∅ 368
- 6.2 The Interface Modules 369
- 6.3 The Interface Modules 372
- Setting/Changing the Number 373
- 6.4 The Interface Modules 376
- IM 460-3; 376
- (6ES7460-3AA00-0AB0 376
- Parameterization 377
- 6.5 The Interface Modules 380
- IM 460-4; 380
- (6ES7460-4AA01-0AB0) and 380
- IM 463-2 385
- Area of Application 386
- Basic Requirement 386
- Interface Selector Switch 389
- Selecting the Interface 391
- Selecting the Cable Length 391
- Setting the S5 Expansion Unit 392
- Setting the Address Area 393
- EU 187U (central) 394
- Central mounting rack 394
- PROFIBUS DP Master Interface 399
- IM 467/IM 467 FO 399
- Order Numbers 400
- Application 400
- Communication Services 401
- IM Operating Mode 402
- Mode Selector 403
- Loadable Firmware 403
- 8.2 Configuration 404
- Prerequisites 405
- 8.3 Connection to PROFIBUS DP 406
- Connector Pin Assignment 407
- Accessories Required 408
- Installing Connectors 408
- Reusing Fiber-Optic Cables 409
- 8.4 Technical Specifications 410
- 6ES7 467-5FJ00-0AB0 411
- Fan Monitoring 414
- Signaling Concept Example 415
- Status: All fans operating 415
- Front View of the Cable Duct 416
- Shielding Clamps 416
- Technical Specifications 416
- (6ES7408-1TB00-0XA0) 417
- Installation 419
- Input voltage 420
- RS 485 Repeater 421
- (6ES7972-0AA01-0XA0) 422
- Operation 424
- Terminal Connection Diagram 425
- 10.4 Technical Specifications 426
- CPUs for M7-400 429
- • Expansion capability 430
- • Supply voltage 430
- 11.2 Technical Specifications 431
- 11.3 Function Elements 432
- CPU Elements 433
- 11.3.1 Status and Fault LEDs 434
- 11.3.2 Memory Cards 436
- 11.3.3 Mode Selector Switch 437
- Activating MRES 438
- Submodule 439
- CPU 488-3 439
- Submodule Covers 440
- Main Memory Expansion 441
- 11.3.6 Expansion Socket 442
- X1 Interface 443
- Suitable Devices 443
- Connectors 443
- 11.4 The BIOS Setup 444
- 11.4.1 BIOS Power Up 445
- Power Up with Error Message 446
- Warm Restart 446
- 11.4.2 BIOS Hot Keys 447
- Opening the Setup Menu 451
- 11.4.5 Setup Page “User Help” 452
- OK Button 453
- Opening the Setup Page 453
- Representation of Information 453
- Accepting Edited Values 454
- Select Submodule Number 454
- I/O Base (Gray Type) 454
- Interrupt Source 455
- Shared Dest 455
- DMA Request 455
- Config. Index 455
- Value (Gray Type) 456
- SIG Source 456
- CANCEL Button 456
- Timeout Mode 457
- Delay Time 457
- 11.4.8 Setup Page “Security” 458
- Password 459
- AUTO All Drives 461
- Type .... Size 461
- 504 Mbytes 462
- 504 Mbytes which do not 462
- Boot Sequence 464
- 11.4.13 Setup Page “System” 466
- System Cache 467
- DEFAULT Button 467
- Assignments 468
- Memory Areas for AT Cards 469
- I/O Address Area 469
- Interrupt Assignment 470
- M7-400 Expansions 471
- 12.1 Overview 472
- Maximum Expansion 473
- Permissible Combinations 475
- Rules for the Combinations 475
- Shared Interrupt 483
- Signal Switching 483
- • Without forced 484
- • With forced ventilation 484
- Pin Assignments 486
- (6ES7 478-2BA00-0AC0) 492
- 12.4.1 LPT1 Parallel Port 493
- Interface Submodules 497
- Interrupt Assignments 499
- Submodule IDs 500
- Insertion Rules 500
- (6ES7962-1BA00-0AC0) 501
- 13.3.1 Pin Assignments 502
- Addressing 503
- Interrupt Request 503
- Submodule ID 503
- Operating Modes 505
- (6ES7962-3AA00-0AC0) 506
- 13.4.1 Pin Assignments 507
- Configuration Register 509
- COM Ports 510
- Data Formats 510
- Transmission Speed 510
- (6ES7962-4AA00-0AC0) 512
- 13.5.1 Pin Assignments 513
- Default Settings in the BIOS 516
- Configuration register 516
- Parallel Port 517
- (6ES7961-1AA00-0AC0) 519
- 13.6.1 Pin Assignments 520
- Digital Input Function 522
- Digital Output Function 523
- Acknowledgment Register 523
- Interrupt Register 524
- Interrupt Enable Register 524
- Mode Register 526
- Reset Status 526
- (6ES7961-2AA00-0AC0) 529
- X1 Socket 530
- Meaning of Signals 531
- Circuit Block Diagram 531
- Unswitched Channels 533
- Abbreviations Used 538
- Conversion Time 540
- Cycle Time 540
- 13.7.7 Addressing 542
- Analog Output Function 543
- Status After Switching On 543
- 13.7.9 Analog Input Function 544
- Analog Inputs 547
- Analog Outputs 548
- • Inputs to each other or 550
- • Voltage outputs to each 550
- • Current outputs to each 550
- (6ES7961-3AA00-0AC0) 552
- Comparison Values 553
- Initial Value 553
- Gate Functions 553
- Interrupts 554
- Additional Information 554
- Additional Front Cover 558
- 13.9.1 Pin Assignments 559
- • At 9.6 Kbps 561
- • At 12 Mbps 561
- In the M7-400 564
- Modifiable Parameters 564
- SFCs for Parameter Assignment 564
- Description of the Parameters 565
- Further References 565
- Structure of Data Record 1 566
- In This Appendix 576
- Further Reading 576
- Diagnostic Data Bytes 0 and 1 577
- Spare Parts and Accessories 595
- CPU 486-3 and CPU 488-3 597
- Sensitive Devices (ESD) 599
- D.1 What is ESD? 600
- Charging 601
- Discharge Damage 602
- List of Abbreviations 603
- Glossary 607
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