Eurotherm 7000 Series User Manual
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Eurotherm 7000 Series User Manual

Eurotherm 7000 Series User Manual

Smart controller, three-phase solid state contactor
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Three phase
solid state
contactor
ENG
User Manual
• DATA MANAGEMENT • CONTROLS • PROCESS AUTOMATION•

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Summary of Contents for Eurotherm 7000 Series

  • Page 1 Three phase solid state contactor User Manual • DATA MANAGEMENT • CONTROLS • PROCESS AUTOMATION•...
  • Page 2 THREE-PHASE SOLID STATE CONTACTOR User Manual © Copyright Eurotherm Limited 2003 All rights reserved. All reproduction or transmission in any form whatsoever and using any procedure (electronic or mechanical, including photocopying and recording) without written permission from Eurotherm is strictly prohibited.
  • Page 3 COMMISSIONING FLOWCHART Characteristics correspond to product code Check characteristics Chapter 1 and specifications Supply protection, Wiring Chapter 2 protective earth (PE) Power: Supply side: terminals 1/L1, 3/L2, 5/L3 Chapter 2 Load side: terminals 2/T1, 4/T2, 6/T3 For fan-cooled Fan power supply Chapter 2 solid state contactors DC logic signal:...
  • Page 4 Maintenance .......4-1 Eurotherm Limited ........5-1...
  • Page 5 European directives and applicable standards EUROPEAN DIRECTIVES AND APPLICABLE STANDARDS COMPLIANCE WITH PRODUCT STANDARD 7300S products comply with the terms of product standard EN 60947-4-3 ‘Contactors and motor-starters - AC semiconductor controllers and contactors for non-motor loads’. CE LABELLING 7300S products, installed and operated in accordance with their user manual, bear CE labelling on the basis of compliance with the essential requirements of : •...
  • Page 6 Table 2 EMC emissions standards compliance EMC GUIDE To help you deal with installation-dependent electromagnetic interference effects, Eurotherm provides an ‘Electromagnetic compatibility’ installation guide (ref. HA 025464) which sets out best current practice regarding EMC. DECLARATION OF CONFORMITY A CE declaration of conformity is available on request.
  • Page 7 7300S User Manual...

  • Page 8: Table Of Contents

    Identification Chapter 1 1. IDENTIFICATION OF SOLID STATE CONTACTOR UNITS Contents Page 1.1. General presentation ........1-2 1.2.

  • Page 9: General Presentation

    Identification 1. Chapter 1 IDENTIFICATION 1.1 GENERAL PRESENTATION 7300S series solid state contactors control the electrical power to three-phase industrial loads such as low temperature coefficient and short wave infrared elements. Standard ratings in the series range from 16 A to 160 A, at voltages from 200 V to 500 V. 7300S series solid state contactors comprise three channels, controlled by thyristors.
  • Page 10 Identification Protective earth Power terminals terminal (supply) Internal power wiring diagram Serious Alarm (if DLF option) Diagnostic Alarm (if DLF option) Electronics supply Zero crossing firing mode: Firing request LED Control terminal pinouts Control connector Power terminals (load) Figure 1-2 General view of 7300S with analogue control - ratings from 63 A to 100 A 7300S User Manual...
  • Page 11 Identification Controlled phase terminal (supply side) Protective earth Internal fuse compartment terminal 2 attachment screws for internal fuse compartment Internal wiring diagram (internal fuses for DLF option : 125 to 160 A ratings) push button : CHK/SET DLF alarm setting / diagnosis Over-temperature Alarm (units ≥...

  • Page 12: Technical Specifications

    16 A to 160 A (defined at 45°C) depending on product code The unit can be used up to 60°C ambient temperature, following derating curves. Please consult Eurotherm. Nominal line to line voltage 200 V to 500 V depending on product code (+10% and -15%).

  • Page 13: Firing Modes

    If the unit has the DLF option, ant that you want to drive it using a REMIO output or i7000, please contact the Eurotherm’s application services Conducting from 85 to 253 Vac max. Impedance ≈ 7 kΩ at 50 Hz.

  • Page 14: Alarms

    Identification 1.2.8. ALARMS (Options) DLF option Serious alarms Total load failure (TLF) and thyristor short circuit (THSC) detection. Signalling When a serious alarm is detected: • the red ‘GRF’ LED is lit • the alarm relay contact is activated. Diagnostic alarm Partial load failure detection and diagnosis.

  • Page 15: Environment

    Identification 1.2.10. ENVIRONMENT 0 to 45°C at nominal current, at maximum altitude of 1000 m. Storage -10°C to 70°C. Isolation voltage Assigned isolation voltage V = 500 V Pollution Degree 2 acceptable (defined by IEC 60664). Humidity RH 5% to 95%, non-condensing, non-streaming. Over-voltage Over-voltage category II (as defined by IEC 60664) = 4 kV .
  • Page 16 • 1 or 255 cycles (‘Burst mode’). The default base time is factory configured to 16 cycles. Eurotherm’s policy of continuous product improvement and development means that the specifications in this document may be modified without prior notice. 7300S user Manual...

  • Page 17: Coding

    Identification CODING 7300S Current / Voltage / Fan / Configuration / Fuses / Input / Language / Options 1. Nominal current Code 5. High-speed fuses Code per phase 16 amps Thyristor protection fuses 25 amps only 40 amps • without microswitch FUSE 63 amps •...
  • Page 18 Identification Alarm option: Communication option: Certificate / Alarm / Load / Contact / Protocol / Transmission / option / Warranty selected Type Type 9. Alarm option Code 12. Communication option Code (Options selected: YES) Digital communication Partial load failure Communication protocol: and Serious alarms Modbus®...
  • Page 19 Identification 1-12 7300S User Manual...
  • Page 20 Installation Chapter 2 INSTALLATION Contents Page 2.1. Safety during installation ........2-2 2.2.

  • Page 21: Safety During Installation

    Installation 2. Chapter 2 INSTALLATION 2.1. SAFETY DURING INSTALLATION (MOUNTING AND WIRING) Danger! • 7300S solid state contactors must be installed and wired by qualified staff authorised to work on low voltage industrial electrical facilities. • Units must be installed in a fan-cooled cabinet, to ensure that condensation and pollution are excluded, with a class of at least 2 (according to IEC 60664).

  • Page 22: Mounting

    Installation 2.2. MOUNTING 2.2.1. TYPES OF MOUNTING • DIN rail mounting - 16 A to 40 A only • Bulkhead mounting with screws ≥ 63 A. DIN rail mounting (≤ 40 A only) Bulkhead mounting Attachment plate DIN rail Attachment plate Screws 4 ×...

  • Page 23: Bulkhead Mounting

    Installation 2.2.4. Bulkhead mounting For 2 M4 screws 173.15 For 2 M6 screws For 2 M4 screws Figure 2-2 Units from 16 A to 40 A For 2 M6 screws For 2 M6 screws Figure 2-4 Units ≥ 125 A For 2 M6 screws Figure 2-3 Units from 63 A to 100 A...

  • Page 24: Wiring

    Installed by External fuses Thyristor protection (units ≤ 100 A) Controlled cha terminal Protective (supply side Earth internal fuse comp (thyristor prote ε EUROTHERM 7300 40 A / 500 V Internal pow wiring diagr 1/L1 3/L2 5/L3 2/T1 4/T2 6/T3 HEAT...
  • Page 25 Installation To supply network Protection and cut out installed by user Supply protection and cut-out. Installed by user Controlled channel terminal Protective (supply side) Earth internal fuse compartment (thyristor protection) Protective earth terminal Internal power wiring diagram Internal fuse blown contact Alarm (MSFU)

  • Page 26: Power Connections

    Installation 2.3.2. POWER CONNECTIONS 2.3.2.1. General 7300S solid state contactors comprise three channels controlled by thyristors. Terminals 1/L1, 3/L2 and 5/L3 must be wired to the three-phase supply network. Terminals 2/T1, 4/T2 and 6/T3 must be wired to the three-phase load. The protective earth terminal PE (marked with the earth symbol) must be wired to the protective earth (see section ‘Safety during installation’...
  • Page 27 3 power 3 power Protective Protective terminals terminals earth earth (supply side) (supply side) terminal terminal ε ε EUROTHERM 7300 EUROTHERM 7300 40 A / 500 V 40 A / 500 V Internal Internal 1/L1 3/L2 5/L3 power wiring 1/L1 3/L2...

  • Page 28: Control Terminal Blocks

    Installation 2.3.3. CONTROL TERMINAL BLOCKS The control terminal blocks are plug-in screw connectors, located on the underside of the 2.3.3.1. Control signal solid state contactor The control signal input terminal block corresponds to the input type and solid state contactor version selected in the product code. The terminal names and numbers for the corresponding terminal blocks are marked on the front panel.

  • Page 29: Connecting The Reference Neutral Voltage

    Installation 2.3.3.3. Connecting the reference neutral voltage To enable the DLF options to operate with 4S load configuration, the neutral voltage of the three-phase supply (reference neutral) must be applied to terminal 21, marked N (EXT connector, external voltage). Terminal capacity: 2.5 mm ;...

  • Page 30: Connecting The Digital Communication

    Installation 2.3.3.5. Connecting the digital communication Digital communication option basic diagram. Please refer to the 7000 Digital Communication user manual ref : HA176664ENG. Supervisor (Master) 220 Ω Bus line A Masse On the last unit of the bus Shield Communication bus RS485 Bus line B Fuse 220 Ω...
  • Page 31 Installation 2-12 7300S User Manual...
  • Page 32 Alarms Chapter 3 3. ALARMS (Options) Contents Page Alaram Diagnostic Strategy ....... . .3-2 3.1.
  • Page 33 Alarms ALARM DIAGNOSTIC SUMMARY The table below summarises all status LED information needed to diagnose the fault Basic Version OPTIONS or options LEDs (Front panel) T° (≥ 125 A) Orange Green HEAT Green Firing. Over- Thyristors Total Load Partial Ready DIAGNOSIS: short-circuit Failure...

  • Page 34: Safety Mechanisms

    . Given the value of the requirement controlled by the 7300S, this is strongly recommended 3.2. ALARMS SIGNALLING Eurotherm can supply various types of suitable alarm detector. Red LED : Red LED : Over-temperature (≥ 125 A) T °...
  • Page 35 Alarms LED State Firing Temps de Fault ‘T°’ ‘GRF’ ‘DLF’ ‘HEAT’ stopped réaction orange green typique Partial Load Failure Flashing (PLF) 5 s to 13 s Total Load Failure Flashing (TLF) Flashing Thyristor Short-Circuit OFF (THSC) Over-temperature (T°) ON OFF* Table 3-3 LEDs for serious alarms or faults with ‘DLF’...

  • Page 36: Setting Dlf Alarm

    Alarms 3.3.1. Setting the DLF alarm Adjusting PLF detection involves calculating and storing the value of the reference impedance from the measured rms current and voltage values. This can be set using the push button on the front panel. The PLF detection setting can only be adjusted (reference impedance recalculated) in the following conditions : •...

  • Page 37: Signalling Of Channel For Load Fault

    Alarms 3.4. SIGNALLING OF CHANNEL FOR LOAD FAULT With the DLF option, the DLF LED flashes in particular ways to indicate the number of controlled channel (of the two thyristor channels) on which load failure (TLF or PLF) has occured. Figure 4-3 shows the three types of flashing if a load failure is detected on one of the channels of the 7300S solid state contactor.

  • Page 38: Functions Od Dlf Alarm Push Button

    Alarms 3.7. FUNCTIONS OF DLF ALARM PUSH BUTTON The push button on the front panel of the unit with the DLF option is labelled : «CHK / SET» («Checking / Setting» . Pushing this push button as shown on the timing diagrams below, sets and diagnoses the status of the PLF detection circuit..
  • Page 39 Alarms 7300S User Manual...
  • Page 40 Commissioning Chapter 4 4. COMMISSIONING AND MAINTENANCE Contents Page 4.1. Safety during commissioning and maintenance ....4-2 4.2. Commissioning ......... . .4-2 4.2.1.
  • Page 41 Important! • Eurotherm shall not be held responsible for any damage, injury, losses or expenses incurred by inappropriate use of the product or failure to comply with this manual. • Accordingly the user is responsible for checking, before commissioning the unit, that all the nominal characteristics correspond to the conditions under which it is to be installed and used.
  • Page 42 Commissioning 4.2.2. CHECKING THE WIRING 4.2.2.1. Cut-off and isolation systems It is the user’s responsibility to wire and protect the facility according to best practice and applicable standards. Danger! A suitable device ensuring that the unit can be electrically isolated from the sup- ply must be installed upline to enable work to be performed safely .
  • Page 43 Commissioning 4.3. MAINTENANCE • Every six months, check that the power and protective earth cables are correctly tightened. • If the load parameters change, the operation of the PLF detection must be diagnosed (see ‘DLF option’ section - chapter 3). •...
  • Page 44 Commissioning Rating A fuse Fuses and fuse-holder assembly part number Part number Dimensions (mm) CH260034 FU3038/16A 77 x CH260034 FU3038/25A 77 x CH330054 FU3451/40A 106 x CS173087U080 FU3258/63A 124 x CS173087U100 FU3258/80A 124 x 100A CS173246U160 FU3760/100A 146 x Table 4-1 Tripolar Fuses without microswitch, recommended for rating 16 A to 100 A (code FUSE) Rating A fuse Fuses and fuse-holder assembly...
  • Page 45 Processes and Power. From requirement assessment, through to equipment specification and plant commissioning. Eurotherm Limited is able to offer expertise and equipment in the following areas: • Input conditioning • Process and Temperature Indicators •...
  • Page 46 EUROTHERM WORLDWIDE SALES AND SERVICE AUSTRIA ITALY Eurotherm GmbH Eurotherm SRL Tel +43 (1) 798 7601 Tel +39 (031) 975111 Fax +43 (1) 798 7605 Fax +39 (031) 977512 Web: www.eurotherm.at Web: www.eurotherm.it AUSTRALIA JAPAN Eurotherm Pty. Ltd. Densei-Lambda KK Eurotherm Tel +61 (2) 9838 0099 Tél : (+03) 5714 0620...

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