• TIA 485 : A1998(R2012)

    Current The latest, up-to-date edition.

    ELECTRICAL CHARACTERISTICS OF GENERATORS AND RECEIVERS FOR USE IN BALANCED DIGITAL MULTIPOINT SYSTEMS

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    Published date:  12-01-2013

    Publisher:  Telecommunications Industry Association

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    Table of Contents - (Show below) - (Hide below)

    1 Scope
    2 Definitions, Symbols and Abbreviations
    3 Applicability
    4 Electrical Characteristics
    4.1 Unit Load characteristics
    4.1.1 dc Unit Load Specification
    4.1.2 ac Load characteristics
    4.2 Generator characteristics
    4.2.1 Open Circuit output voltages
    4.2.2 Differential and offset output voltages
    4.2.3 Differential output voltages with common-mode loading
    4.2.4 Off-State output current
    4.2.5 Short-circuit output characteristics
    4.2.6 Transient over voltage tolerance
    4.2.7 Output signal waveform
    4.3 Receiver characteristics
    4.3.1 Input voltage ranges
    4.3.2 Input thresholds
    4.3.3 Input balance measurements
    4.3.4 Receiver unit load test
    4.3.5 Transient over voltage tolerance
    4.4 Transceiver characteristics
    4.5 System requirements
    4.5.1 Balanced interconnecting media characteristics
    4.5.2 Cable termination
    4.5.3 Total load limit
    4.5.4 Fail-safe operation
    Annexe A (informative)
    A.1 Multipoint system configuration
    A.2 Data signaling rate vs. cable length
    A.3 Stub lengths
    A.4 Optional grounding arrangements
    A.4.1 Signal common (Ground)
    A.4.2 Configuration 'A'
    A.4.3 Configuration 'B'
    A.4.4 Shield ground
    A.5 References

    Abstract - (Show below) - (Hide below)

    Defines the electrical characteristics of generators and receivers when specified for the interchange of binary signals in multipoint interconnection of digital equipment.

    General Product Information - (Show below) - (Hide below)

    Committee TR-30.2
    Document Type Standard
    Publisher Telecommunications Industry Association
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    09/30198404 DC : DRAFT JAN 2009 BS EN 61784-1 - INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - PART 1: FIELD BUS PROFILES
    ANSI E1.27-2 : 2009(R2014) ENTERTAINMENT TECHNOLOGY - RECOMMENDED PRACTICE FOR PERMANENTLY INSTALLED CONTROL CABLES FOR USE WITH ANSI E1.11 (DMX512-A) AND USITT DMX512/1990 PRODUCTS
    CEI EN 61784-5-19 : 2014 INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - PART 5-19: INSTALLATION OF FIELDBUSES - INSTALLATION PROFILES FOR CPF 19
    MIL DTL 62736 : A PRINTED WIRING ASSEMBLY, I/O
    CEI EN 60044-8 : 2004 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRASFORMERS
    IEC 60728-7-3:2009 Cable networks for television signals, sound signals and interactive services - Part 7-3: Hybrid fibre coax outside plant status monitoring - Power supply to transponder interface bus (PSTIB)
    IEC PAS 62030:2004 Digital data communications for measurement and control - Fieldbus for use in industrial control systems - Section 1: MODBUS® Application Protocol Specification V1.1a - Section 2: Real-Time Publish-Subscribe (RTPS) Wire Protocol Specification Version 1.0
    CEI EN 62026-7 : 2013 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - CONTROLLER-DEVICE INTERFACES (CDIS) - PART 7: COMPONET
    BS EN 61784-5-19:2013 (published 2014-01) Industrial communication networks. Profiles Installation of fieldbuses. Installation profiles for CPF 19
    08/30177601 DC : DRAFT FEB 2008 BS EN 60728-7-3 - CABLE NETWORKS FOR TELEVISION SIGNALS, SOUND SIGNALS AND INTERACTIVE SERVICES - PART 7-3: HYBRID FIBRE COAX OUTSIDE PLANT STATUS MONITORING - POWER SUPPLY TO TRANSPONDER INTERFACE BUS (PSTIB) SPECIFICATION (TA 5)
    12/30264885 DC : 0 BS EN 61784-1 - INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - PART 1: FIELDBUS PROFILES
    16/30340717 DC : 0 BS EN 16603-50-15 - SPACE ENGINEERING - CANBUS EXTENTION PROTOCOL
    BS EN 62026-7 : 2013 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - CONTROLLER-DEVICE INTERFACES (CDIS) - PART 7: COMPONET
    CEI EN 61784-5-8 : 2014 INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - PART 5-8: INSTALLATION OF FIELDBUSES - INSTALLATION PROFILES FOR CPF 8
    ARINC 763A : 2008 MARK 2 NETWORK SERVER SYSTEM (NSS) - FORM AND FIT DEFINITION
    I.S. EN 14908-6:2014 OPEN DATA COMMUNICATION IN BUILDING AUTOMATION, CONTROLS AND BUILDING MANAGEMENT - CONTROL NETWORK PROTOCOL - PART 6: APPLICATION ELEMENTS
    BS EN 62056-31 : 2000 ELECTRICITY METERING - DATA EXCHANGE FOR METER READING, TARIFF AND LOAD CONTROL - PART 31: USE OF LOCAL AREA NETWORKS ON TWISTED PAIR WITH CARRIER SIGNALLING
    VDI 4201-3 : 2012 PERFORMANCE CRITERIA ON AUTOMATED MEASURING AND ELECTRONIC DATA EVALUATION SYSTEMS FOR MONITORING EMISSIONS - DIGITAL INTERFACE - SPECIFIC REQUIREMENTS FOR MODBUS
    02/709191 DC : DRAFT JULY 2002 ISO/DIS 16484-5 - BUILDING AUTOMATION AND CONTROL SYSTEMS - PART 5: DATA COMMUNICATION PROTOCOL
    MIL HDBK 1760 : A AIRCRAFT/STORE ELECTRICAL INTERCONNECTION SYSTEM
    NEMA 300 : 1988 DIGITAL IMAGING AND COMMUNICATIONS
    14/30294063 DC : 0 BS EN 14908-6 - OPEN DATA COMMUNICATION IN BUILDING AUTOMATION, CONTROLS AND BUILDING MANAGEMENT - CONTROL NETWORK PROTOCOL - PART 6: APPLICATION ELEMENTS
    BS EN 61209 : 1999
    MIL A 53129 : 0 ALARM-MONITOR GROUP OA-9431/FSS-9(V)
    I.S. ETS 300 150:1993 TRANSMISSION AND MULTIPLEXING (TM) - PROTOCOL SUITES FOR Q INTERFACES FOR MANAGEMENT OF TRANSMISSION SYSTEMS
    SMPTE ST 2020-1 : 2014 FORMAT OF AUDIO METADATA AND DESCRIPTION OF THE ASYNCHRONOUS SERIAL BITSTREAM TRANSPORT
    BS EN 61162-2 : 1999 MARITIME NAVIGATION AND RADIOCOMMUNICATION EQUIPMENT AND SYSTEMS - DIGITAL INTERFACES - PART 2: SINGLE TALKER AND MULTIPLE LISTENERS, HIGH-SPEED TRANSMISSION
    01/615003 DC : DRAFT JAN 2001 ISO/DIS 15745-3 - INDUSTRIAL AUTOMATION SYSTEMS AND INTEGRATION - OPEN SYSTEMS APPLICATION INTEGRATION FRAMEWORKS - PART 3: REFERENCE DESCRIPTION FOR EN 50170 AND EN 50254 BASED CONTROL SYSTEMS
    I.S. EN 62056-31:2000 ELECTRICITY METERING - DATA EXCHANGE FOR METER READING, TARIFF AND LOAD CONTROL - PART 31: USE OF LOCAL AREA NETWORKS ON TWISTED PAIR WITH CARRIER SIGNALLING
    BS ISO 18186 : 2011 FREIGHT CONTAINERS - RFID CARGO SHIPMENT TAG SYSTEM
    ATIS T1.204 : 97(R2003) OAM&P - LOWER LAYER PROTOCOLS FOR TELECOMMUNICATION MANAGEMENT NETWORK (TMN) INTERFACES, Q3 AND X INTERFACES
    AIIM MS58 : 0 RECOMMENDED PRACTICE FOR IMPLEMENTATION OF SMALL COMPUTER SYSTEMS INTERFACE (SCSI-2), (X3,131-1994) FOR SCANNERS
    11/30232676 DC : 0 BS EN 61784-5 - INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - PART 5: INSTALLATION OF FIELDBUSES
    SAE AS 5716 : 2012 STANDARD ELECTRICAL AND LOGICAL INTERFACE FOR AIRBORNE FUZING SYSTEMS
    ANSI INCITS 277 : 1996 INFORMATION TECHNOLOGY - SCSI-3 FAST-20
    CEI EN 61784-5-3 : 2014 INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - PART 5-3: INSTALLATION OF FIELDBUSES - INSTALLATION PROFILES FOR CPF 3
    UFC 3-430-11 : 2001 UNIFIED FACILITIES CRITERIA - BOILER CONTROL SYSTEMS
    MIL STD 1397 : C INPUT/OUTPUT INTERFACES, STANDARD DIGITAL DATA, NAVY SYSTEMS
    NFP 99 305 : 2003 ROAD TRAFFIC DATA - ELABORATION, STORAGE, SPREADING - VARIABLE INDUCTANCE ELECTROMAGNETIC LOOP VEHICLE DETECTION UNITS AND DETECTORS - DEFINITIONS, CHARACTERISTICS AND PERFORMANCES
    I.S. EN 61158-2:2014 INDUSTRIAL COMMUNICATION NETWORKS - FIELDBUS SPECIFICATIONS - PART 2: PHYSICAL LAYER SPECIFICATION AND SERVICE DEFINITION
    ANSI INCITS 131 : 1994 INFORMATION SYSTEMS - SMALL COMPUTER SYSTEM INTERFACE-2
    API 554-2 : 2008 PROCESS CONTROL SYSTEMS - PROCESS CONTROL SYSTEM DESIGN
    DD ENV 1805-1 : 1998 DATA COMMUNICATION FOR HVAC APPLICATION MANAGEMENT NET - BUILDING AUTOMATION AND CONTROL NETWORKING (BACNET)
    I.S. EN 60044-8:2002 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
    CSA C60044-8 :2007 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
    CSA C60044-8 : 2007 : R2011 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
    SAE AS 5395:2006 HEALTH AND USAGE MONITORING SYSTEM DATA INTERCHANGE SPECIFICATION
    PREN 14908-6 : DRAFT 2014 OPEN DATA COMMUNICATION IN BUILDING AUTOMATION, CONTROLS AND BUILDING MANAGEMENT - CONTROL NETWORK PROTOCOL - PART 6: APPLICATION ELEMENTS
    BS EN 60044-8:2002 Instrument transformers Electronic current transformers
    CSA C60044-8 : 2007 : R2016 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
    SAE AS 5652 : 2018 10 MEGABIT/SEC NETWORK CONFIGURATION DIGITAL TIME DIVISION COMMAND/RESPONSE MULTIPLEX DATA BUS
    API 554-2 : 2008 : R2016 PROCESS CONTROL SYSTEMS - PROCESS CONTROL SYSTEM DESIGN
    IEC PAS 62453-3:2006 Field Device Tool (FDT) Interface specification - Part 3: PROFIBUS communication
    EIA 404 : A1986 START-STOP SIGNAL QUALITY FOR NON-SYNCHRONOUS DATA TERMINAL EQUIPMENT
    IEEE DRAFT C37.107 : D10 NOV 94 DIGITAL PROTECTIVE RELAY INTERFACES
    EIA 492 : 1985
    ANSI INCITS 129 : 1986 INTELLIGENT PERIPHERAL INTERFACE, PHYSICAL LEVEL
    IEEE 1815 : 2012 ELECTRIC POWER SYSTEMS COMMUNICATIONS - DISTRIBUTED NETWORK PROTOCOL (DNP3)
    I.S. EN 61784-5-3:2013 INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - PART 5-3: INSTALLATION OF FIELDBUSES - INSTALLATION PROFILES FOR CPF 3
    BS EN 61784-5-8:2013 (published 2014-01) Industrial communication networks. Profiles Installation of fieldbuses. Installation profiles for CPF 8
    CEI EN 61784-1 : 2016 INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - PART 1: FIELDBUS PROFILES
    ANSI N42.38:2015 PERFORMANCE CRITERIA FOR SPECTROSCOPY-BASED PORTAL MONITORS USED IN HOMELAND SECURITY
    ISO 15745-3:2003 Industrial automation systems and integration Open systems application integration framework Part 3: Reference description for IEC 61158-based control systems
    I.S. EN 61162-2:1999 MARITIME NAVIGATION AND RADIOCOMMUNICATION EQUIPMENT AND SYSTEMS - DIGITAL INTERFACES - PART 2: SINGLE TALKER AND MULTIPLE LISTENERS, HIGH-SPEED TRANSMISSION
    IEEE 525 : 2007 DESIGN AND INSTALLATION OF CABLE SYSTEMS IN SUBSTATIONS
    TR 102 021-9 : 1.2.1 TERRESTRIAL TRUNKED RADIO (TETRA); USER REQUIREMENT SPECIFICATION TETRA RELEASE 2.1; PART 9: PERIPHERAL EQUIPMENT INTERFACE
    SAE AIR 6234 : 2016 HANDBOOK: STANDARD ELECTRICAL AND LOGICAL INTERFACE FOR AIRBORNE FUZING SYSTEMS
    ANSI E1.27-1 : 2006(R2016) ENTERTAINMENT TECHNOLOGY-STANDARD FOR PORTABLE CONTROL CABLES FOR USE WITH USITT DMX512/1990 AND E1.11 (DMX512-A) PRODUCTS
    ARINC 485-1 : 2014 CABIN EQUIPMENT INTERFACES - PART 1: HEAD END EQUIPMENT PROTOCOL
    CEI EN 62056-3-1 : 2014 ELECTRICITY METERING DATA EXCHANGE - THE DLMS/COSEM SUITE - PART 3-1: USE OF LOCAL AREA NETWORKS ON TWISTED PAIR WITH CARRIER SIGNALLING
    I.S. EN 61784-5-19:2013 INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - PART 5-19: INSTALLATION OF FIELDBUSES - INSTALLATION PROFILES FOR CPF 19
    BS EN 61784-1:2014 Industrial communication networks. Profiles Fieldbus profiles
    BS EN 14908-6:2014 Open Data Communication in Building Automation, Controls and Building Management. Control Network Protocol Application elements
    I.S. EN 62026-7:2013 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - CONTROLLER-DEVICE INTERFACES (CDIS) - PART 7: COMPONET (IEC 62026-7:2010 (MOD))
    SCTE 25-3 : 2017 HYBRID FIBER COAX OUTSIDE PLANT STATUS MONITORING - POWER SUPPLY TO TRANSPONDER INTERFACE BUS (PSTIB) SPECIFICATION V1.1
    I.S. EN 61784-1:2014 INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - PART 1: FIELDBUS PROFILES
    ANSI E1.20 : 2010 ENTERTAINMENT TECHNOLOGY RDM REMOTE DEVICE MANAGEMENT OVER DMX512 NETWORKS
    IEC 62026-7:2010 Low-voltage switchgear and controlgear - Controller-device interfaces (CDIs) - Part 7: CompoNet
    ISO 18186:2011 Freight containers RFID cargo shipment tag system
    I.S. EN 61784-5-8:2013 INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - PART 5-8: INSTALLATION OF FIELDBUSES - INSTALLATION PROFILES FOR CPF 8
    ARINC 485-2 : 2014 CABIN EQUIPMENT INTERFACES - PART 2:PHYSICAL LAYER - IN-SEAT PROTOCOL
    ISO 16484-5:2017 Building automation and control systems (BACS) — Part 5: Data communication protocol
    I.S. EN ISO 16484-5:2017 BUILDING AUTOMATION AND CONTROL SYSTEMS (BACS) - PART 5: DATA COMMUNICATION PROTOCOL (ISO 16484-5:2017)
    ANSI N42.35 : 2006 EVALUATION AND PERFORMANCE OF RADIATION DETECTION PORTAL MONITORS FOR USE IN HOMELAND SECURITY
    ANSI N42.43 : 2006 PERFORMANCE CRITERIA FOR MOBILE AND TRANSPORTABLE RADIATION MONITORS USED FOR HOMELAND SECURITY
    IEC 61784-1:2014 Industrial communication networks - Profiles - Part 1: Fieldbus profiles
    IEC 62056-31:1999 Electricity metering - Data exchange for meter reading, tariff and load control - Part 31: Use of local area networks on twisted pair with carrier signalling
    BS EN 61158-2:2014 (published 2014-10) Industrial communication networks. Fieldbus specifications Physical layer specification and service definition
    IEC 60044-8:2002 Instrument transformers - Part 8: Electronic current transformers
    IEC 61158-2:2014 Industrial communication networks - Fieldbus specifications - Part 2: Physical layer specification and service definition
    12/30264905 DC : 0 BS EN 61158-2 - INDUSTRIAL COMMUNICATION NETWORKS - FIELDBUS SPECIFICATIONS - PART 2: PHYSICAL LAYER SPECIFICATION AND SERVICE DEFINITION
    BS EN ISO 16484-5:2014 BUILDING AUTOMATION AND CONTROL SYSTEMS (BACS) - PART 5: DATA COMMUNICATION PROTOCOL
    09/30205023 DC : 0 BS EN 61158-2 - INDUSTRIAL COMMUNICATION NETWORKS - FIELDBUS SPECIFICATIONS - PART 2: PHYSICAL LAYER SPECIFICATION AND SERVICE DEFINITION
    BS EN 61784-5-3:2013 (published 2014-01) Industrial communication networks. Profiles Installation of fieldbuses. Installation profiles for CPF 3
    EN ISO 16484-5:2017 (edition 2) Building automation and control systems (BACS) - Part 5: Data communication protocol (ISO 16484-5:2017)
    IEC 61784-5-19:2013 Industrial communication networks - Profiles - Part 5-19: Installation of fieldbuses - Installation profiles for CPF 19
    IEC 61162-2:1998 Maritime navigation and radiocommunication equipment and systems - Digital interfaces - Part 2: Single talker and multiple listeners, high-speed transmission
    ASHRAE 135 : 2016 BACNET - A DATA COMMUNICATION PROTOCOL FOR BUILDING AUTOMATION AND CONTROL NETWORKS
    EN 61158-2:2014 INDUSTRIAL COMMUNICATION NETWORKS - FIELDBUS SPECIFICATIONS - PART 2: PHYSICAL LAYER SPECIFICATION AND SERVICE DEFINITION (IEC 61158-2:2014)
    EN 61784-5-3:2013 INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - PART 5-3: INSTALLATION OF FIELDBUSES - INSTALLATION PROFILES FOR CPF 3 (IEC 61784-5-3:2013)
    EN 61784-5-19 : 2013 INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - PART 5-19: INSTALLATION OF FIELDBUSES - INSTALLATION PROFILES FOR CPF 19 (IEC 61784-5-19:2013)
    EN 61784-1:2014 Industrial communication networks - Profiles - Part 1: Fieldbus profiles
    EN 61784-5-8 : 2013 INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - PART 5-8: INSTALLATION OF FIELDBUSES - INSTALLATION PROFILES FOR CPF 8 (IEC 61784-5-8:2013)
    EN 62056-31 : 2000 ELECTRICITY METERING - DATA EXCHANGE FOR METER READING, TARIFF AND LOAD CONTROL - PART 31: USE OF LOCAL AREA NETWORKS ON TWISTED PAIR WITH CARRIER SIGNALLING
    EN 60044-8:2002 Instrument transformers - Part 8: Electronic current transformers
    EN 61162-2 : 1998 MARITIME NAVIGATION AND RADIOCOMMUNICATION EQUIPMENT AND SYSTEMS - DIGITAL INTERFACES - PART 2: SINGLE TALKER AND MULTIPLE LISTENERS, HIGH-SPEED TRANSMISSION
    EN 62026-7 : 2013 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - CONTROLLER-DEVICE INTERFACES (CDIS) - PART 7: COMPONET (IEC 62026-7:2010, MODIFIED)
    EN 14908-6:2014 OPEN DATA COMMUNICATION IN BUILDING AUTOMATION, CONTROLS AND BUILDING MANAGEMENT - CONTROL NETWORK PROTOCOL - PART 6: APPLICATION ELEMENTS
    ENV 1805-1 : 1998 DATA COMMUNICATION FOR HVAC APPLICATION MANAGEMENT NET - BUILDING AUTOMATION AND CONTROL NETWORKING (BACNET)
    IES TM 23 : 2011 LIGHTING CONTROL PROTOCOLS

    Standards Referencing This Book - (Show below) - (Hide below)

    TIA/EIA 422 : B1994(R2014) ELECTRICAL CHARACTERISTICS OF BALANCED VOLTAGE DIGITAL INTERFACE CIRCUITS
    ISO/IEC 8482:1993 Information technology Telecommunications and information exchange between systems Twisted pair multipoint interconnections
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