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SIMATIC S7 Ex Digital Modules Digital output SM 322; DO 4 x 15V/20mA Dimensions and Weight Dimensions W x H x D (mm) 40 x 125 x 120 Weight approx. 230 g Module-specific data Number of outputs 4 Line length, shielded max. 200 m Type of protection PTB (see Appendix A) 2-26 [EEx ib] <strong>II</strong>C to EN 50020 Test number Ex-96.D.2102 X Type of protection FM (see Appendix B) Voltages, currents, potentials Bus power supply Rated load voltage L+ Reverse voltage protection Total current of outputs Horizontal arrangement up to 60 C Vertical arrangement up to 40 C CL I, DIV 2, GP A, B, C, D T4 5 V DC 24 V DC yes No restrictions No restrictions Galvanic isolation Between channels and backplane bus yes Between channels and load voltage L+ yes Between channels yes Between backplane bus and load voltage L+ yes Permissible difference in potential (UISO) of signals from hazardous area Between channels and backplane bus Between channels and load voltage L+ 60 V DC 30 V AC 60 V DC 30 V AC Between channels 60 V DC 30 V AC Between backplane bus and load voltage L+ 60 V DC 30 V AC Voltages, currents, potentials continued Permissible difference in potential (UISO) for signals from non-hazardous area Between channels and backplane bus Between channels and load voltage L+ 400 V DC 250 V AC 400 V DC 250 V AC Between channels 400 V DC 250 V AC Between backplane bus and load voltage L+ Insulation tested Channels with respect to backplane bus and load voltage L+ Channels among each other Between load voltage L+ and backplane bus Current input From backplane bus From load voltage L+ (at rated data) 75 V DC 60 V AC with 1500 V AC with 1500 V AC with 500 V DC max. 70 mA max. 160 mA Module power loss typical 3 W Status, interrupts, diagnostics Status indication Outputs green LED per channel Interrupts Diagnostic interrupt configurable Diagnostic functions Group fault indication red LED (SF) Channel fault indication red LED (F) per channel Diagnostic functions readout possible Monitoring for Short-circuit I 20.5 mA (10%) Wire break I 0.15 mA I/O Modules with Intrinsically-Safe Signals C79000-G7076-C152-04
Safety data (refer to Certificate of Conformity in Appendix A) Maximum values of output circuits (per channel) U0 (no-load output voltage) I/O Modules with Intrinsically-Safe Signals C79000-G7076-C152-04 max. 15.75 V I0 (short-circuit current) max. 85 mA P0 (load power) max. 335 mW L0 (permissible external inductance) max. 5 m C0 (permissible external capacitance) max. 500 nF Um (error voltage) max. 60 V DC 30 V AC Ta (permissible ambient temperature) max. 60C Data for actuator selection Outputs No-load voltage UA0 Internal resistance RI Curve vertices E Voltage UE Current IE Parallel connection of 2 outputs 15 V DC 5% 200 5% 10 V DC 10% 20.5 mA 10% For redundant activation of a load Not possible For increasing power Possible, see Manual “S7-300, M7-300, ET 200M Automation Systems Principles of Intrinsically-Safe Design” Section ”Intrinsically-Safe Circuit with Two or More Items of Associated Electrical Apparatus (Requirements for Installation in Zones 0 and 1)” Switching frequency At resistive load 100 Hz At inductive load (L
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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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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 41 and 42: Mechanical Configuration of an Auto
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 and 84: Interrupts Parameterizing interrupt
Page 85: Block diagram S7-300 Backplane bus
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
Page 135 and 136: 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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