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SIMATIC S7 Ex Digital Modules 2.3 Digital Output Module SM 322; DO 4 x 15V/20mA Order number Characteristics Wiring diagram Notes on intrinsically-safe installation Power supply for a intrinsically-safe structure 2-24 6ES7 322-5RD00-0AB0 Refer to the description of the digital output module SM 322; DO 4 x 24V/10mA (see Section 2.2) for the module characteristics. Fig. 2-5 shows the terminal diagram of SM 322; DO 4 x 15V/20mA. SM 322 DO 4 x 15VDC/20mA Output 0 Output 1 Output 2 Output 3 X 2 3 4 322-5RD00-0AB0 SF F0 0 F1 1 x x [EEx ib] <strong>II</strong>C F2 2 F3 3 1 L+ 2 3 4 CH 0 5 6 7 8 CH 1 9 10 11 12 13 CH 2 14 15 16 17 CH 3 18 19 20 M Channel number Terminal diagram SF group fault [red] F (0...3) channel-specific fault indication [red] 0...3 status indication [green] Fig. 2-5 Wiring diagram of SM 322; DO 4 x 15V/20mA You must connect the DM 370 dummy module between the CPU or IM 153-2 (distributed configuration) and the Ex I/O modules whose signal cables lead into the hazardous area. In a distributed configuration with an active backplane bus, you should use the explosion-proof partition instead of the dummy module. Additional information on system design can be found in Sections 1.3 - 1.5. In order to maintain the dearances and creepage distances, L+ / M must be routed via the line chamber LK393 when operating modules with signal cables that lead to the hazardous location, see Section 1.2. I/O Modules with Intrinsically-Safe Signals C79000-G7076-C152-04
Block diagram S7-300 Backplane bus Logic stage Logic stage I/O Modules with Intrinsically-Safe Signals C79000-G7076-C152-04 Fig. 2-6 shows the block diagram of SM 322; DO 4 x 15V/20mA. Monitoring L+ module Monitoring internal supply voltage Group fault indication (SF) red Wire break Short to M Status indication (0...3) green Evaluation stage Fig. 2-6 Block diagram of digital output module SM 322; DO 4 x 15V/20mA & 5 V SIMATIC S7 Ex Digital Modules 15 V Channel 0 15 V Channel 1 15 V Channel 2 15 V Channel 3 L+ Load voltage 24 V M Channel fault indication (F0...F3) red 2-25
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SIMATIC S7-300, M7-300, ET 200M Aut
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Preface Purpose of the manual Conte
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Usage and configuration Usage and c
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Contents Preface . . . . . . . . .
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4.6 HART Analog Input Module SM 331
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3-13 Connection of loads to a curre
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3-11 Representation of the digitize
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Mechanical Configuration of an Auto
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Minimum thread measure Mechanical C
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Replacing Ex I/O modules Mechanical
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Wire end ferrule Fig. 1-2 Installin
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1.3 Configuration of an S7-300 with
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1.4 Configuration of an M7-300 with
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1.6 Equipotential Bonding in System
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Main equipotential bonding Addition
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Mechanical Configuration of an Auto
Page 33 and 34: Mechanical Configuration of an Auto
Page 35 and 36: 1.7.4 Selecting Cables and Lines in
Page 37 and 38: Type designations for lines in acco
Page 39 and 40: Table 1-4 Siemens cables for measur
Page 43 and 44: Shielding of intrinsically safe sig
Page 45 and 46: 1.8.3 Measures to Counteract Interf
Page 55 and 56: Table 1-7 Safety measures Mechanica
Page 57 and 58: Housing Cables Terminals Protective
Page 59 and 60: Table 1-8 Working on systems to typ
Page 61 and 62: SIMATIC S7 Ex Digital Modules In th
Page 63 and 64: Wiring diagram SM 321 DI 4 x NAMUR
Page 65 and 66: Digital input SM 321; DI 4 x NAMUR
Page 67 and 68: Parameterization Default settings C
Page 69 and 70: Input delay Diagnostics Parameteriz
Page 71 and 72: Errors and corrective measures I/O
Page 73 and 74: Influence of supply voltage and ope
Page 75 and 76: Wiring diagram Notes on intrinsical
Page 77 and 78: Digital output SM 322; DO 4 x 24V/1
Page 79 and 80: Parameterization Default settings C
Page 81 and 82: Diagnostic evaluation Diagnostics o
Page 83: Interrupts Parameterizing interrupt
Page 87 and 88: Safety data (refer to Certificate o
Page 89 and 90: SIMATIC S7 Ex Analog Modules In thi
Page 91 and 92: 3.1.2 Analog Representation for Mea
Page 93 and 94: Current measuring ranges I/O Module
Page 95 and 96: Temperature range, standard, Pt 100
Page 97 and 98: Temperature range, standard, Ni 100
Page 99 and 100: DIN IEC 584 Temperature range type
Page 101 and 102: Temperature range type E I/O Module
Page 103 and 104: Temperature range type L I/O Module
Page 105 and 106: Temperature range type N I/O Module
Page 107 and 108: Temperature range type S I/O Module
Page 109 and 110: 3.1.3 Analog Value Representation f
Page 111 and 112: Abbreviations Insulated measured va
Page 113 and 114: 3.3 Connection of Thermocouples, Vo
Page 115 and 116: Internal compensation Thermocouple
Page 117 and 118: Thermocouples with direct looping-i
Page 119 and 120: Thermocouples with internal compens
Page 121 and 122: 3.3.3 Connection of Resistance Ther
Page 123 and 124: I/O Modules with Intrinsically-Safe
Page 125 and 126: Connecting loads to a current outpu
Page 127 and 128: I/O Modules with Intrinsically-Safe
Page 129 and 130: 3.6.3 Parameters of Analog Modules
Page 131 and 132: Table 3-22 Parameters of the analog
Page 133 and 134: 3.6.4 Diagnostics of Analog Modules
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Table 3-25 Diagnostic messages of a
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Faults and corrective measures I/O
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3.6.6 Characteristics of Analog Mod
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Influence of faults I/O Modules wit
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Wiring diagram SM 33 1 AI 8 xTC / 4
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Special feature of resistant measur
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Analog Input SM 331; AI 8 x TC/4 x
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Error limits of analog inputs for t
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3.8 Analog Input Module SM 331; AI
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Parameterization Default settings C
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Analog value formation Measuring pr
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Wiring diagram SM 3 32 AO 4 x 0/4..
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Analog output Output ranges I/O Mod
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Interference rejection, error limit
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SIMATIC S7 HART Analog Modules In t
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4.2 Introduction to HART Introducti
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Examples of HART parameters Example
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4.3 Guidelines for Installation, St
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Modifying the parameters of the fie
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4.4 Parameters of HART Analog Modul
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4.5 Diagnostics and Interrupts of H
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4.6 HART Analog Input Module SM 331
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Wiring diagram SM 3 31 AI 2 x 0/4..
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Analog value formation Measuring pr
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Default settings Wire break monitor
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SM 332; AO 2 x 0/4...20mA HART Dime
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4.8 Data Record Interface and User
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Structure of the parameter data rec
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Diagnostic data: data record 1 Note
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Structure of command data record No
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Table 4-13 HART group error display
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Structure of the diagnostic data re
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4.8.6 User Data Interface Input Are
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Certificates of Conformity In this
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I/O Modules with Intrinsically-Safe
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A.1.1 ASEV Certificate/Switzerland
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A.2 Certificate of Conformity for D
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A.3 Certificate of Conformity for D
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A.7 KEMA Certificate of Conformity
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A.7.2 EC Declaration of Conformity
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A.8.1 EC Declaration of Conformity
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Safety Standards, FM Approval In th
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FM approval I/O Modules with Intrin
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Bibliography In this appendix I/O M
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Glossary A AS ATEX 100a B Backplane
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D Diagnostic interrupt Diagnostic b
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FM Frequency shift keying FSK G Gro
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HART transfer area HCF I Interrupt
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O OB Organization blocks P Paramete
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R Reference potential Response time
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Index Numbers 2-wire transducer, 3-
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DP master class 2, default paramete
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Interference frequency suppression,
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Range of measurement parameter bloc
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SM 332; AO 4 x 0/4...20 mA, 3-1 bas
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Siemens AG A&D AS E81 Oestliche Rhe
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