Eurotherm 7000 Series User Manual
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Eurotherm 7000 Series User Manual

Eurotherm 7000 Series User Manual

Solid state contactor, smart controller, thyristor unit controlling two phases of a three-phase load
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Solid state
contactor
ENG
Two phase
User Manual
Load Control
• DATA MANAGEMENT • CONTROLS • PROCESS AUTOMATION•

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Summary of Contents for Eurotherm 7000 Series

  • Page 1 Solid state contactor Two phase User Manual Load Control • DATA MANAGEMENT • CONTROLS • PROCESS AUTOMATION•...
  • Page 2 CONTROLLING TWO PHASES OF A THREE-PHASE LOAD USER MANUAL © Copyright Eurotherm Automation 2004 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 DIN rail mounting or Mounting Chapter 2 Bulkhead mounting Supply protection, Wiring Chapter 2 protective earth (PE) Power: Supply side : terminals 1/L1, 3/L2 Chapter 2 Load side : terminals 2/T1, 4/T2 For fan cooled Fan power supply...
  • 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 7200S 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 7200S 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 7200S 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 7200S 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 200 A, at voltages from 200 V to 500 V. 7200S series solid state contactors comprise two channels, controlled by thyristors.
  • Page 10 Identification Protective earth Power terminals terminal (supply) Internal power wiring diagram Serious alarms (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 7200S with analogue control - ratings from 80 A to 100 A 7200S User Manual...
  • Page 11 Identification Controlled phase terminal Protective earth (supply side) terminal Internal fuse compartment 2 attachment screws for internal fuse compartment Internal wiring diagram (internal fuses for units ≥ 125 A) DLF option : Over-temperature Alarm CHK/SET (for units ≥ 125 A) push button : DLF alarm setting / diagnosis...

  • Page 12: Technical Specifications

    16 A to 200 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

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

  • Page 14: Alarms

    Identification 1.2.8. ALARMS (Options) 1.2.8.1. 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. 7200S User Manual...

  • Page 17: Coding

    Identification Identification 1.3. CODING 7200S Current / Voltage / Fan / Configuration / Fuses / Input / Language / Options / 1. Nominal current Code 6. Input Code per phase ‘On/off’ firing 16 amps DC logic signal 25 amps 4.5 Vdc to 32 Vdc 40 amps AC logic signal 63 amps...
  • Page 18 Identification Alarm option: Communication option: Certificate Alarm / Load / Contact / Protocol / Transmission / option / Warranty Type Type 9. Alarm option Code 12. Communication option Code (Options selected: YES) Digital communication Serious Alarms: Communication protocol: Thyristor short-circuit, Modbus®...
  • Page 19 Identification 1-12 7200S User Manual...
  • Page 20 Installation Chapter 2 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! • 7200S 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 and bulkhead mounting - 16 A to 63 A only • Bulkhead mounting with screws ≥ 80 A DIN rail mounting (≤ 63 A only) Bulkhead mounting Attachment plate DIN rail Attachment plate Screws...

  • Page 23: Bulkhead Mounting

    Installation 2.2.4. BULKHEAD MOUNTING For 2 M4 screws For 2 M6 screws For 2 M4 screws Figure 2-2 Bulkhead mounting - 16 A to 63 A units For 2 M6 screws For 2 M6 screws Figure 2-4 Bulkhead mounting - ≥ 125 A units For 2 M6 screws Figure 2-3 Bulkhead mounting - 80 A to 100 A units...

  • Page 24: Wiring

    Supply protecti and cut-out Thyristor fuses Installed by us (external ≤ 100 A) Controlled Protective termi Earth (supply ε EUROTHERM 7200 internal fuse compart 40 A / 500 V (thyristor protectio 1/L1 3/L2 5/L3 Internal powe wiring diagram 2/T1 4/T2...
  • Page 25 Installation To supply network Protection and cut out installed by user Supply protection and cut-out. Installed by user Controlled channel Protective terminal Earth (supply side) Protective earth terminal internal fuse compartment 500 V (thyristor protection) Internal power wiring diagram 947-4-3 Internal fuse blown contact...

  • Page 26: Power Connections

    Installation 2.3.2. POWER CONNECTIONS 2.3.2.1. General 7200S solid state contactors comprise three channels controlled by thyristors. • Units from 16 A to 100A : 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. •...

  • Page 27: Control Terminal Blocks

    (external ≤ 100 A) 3 power 3 power terminals Protective Protective earth terminals (supply side) earth terminal (supply side) terminal ε ε EUROTHERM 7200 EUROTHERM 7200 40 A /500 V 40 A /500 V Internal Internal 1/L1 3/L2 5/L3 power wiring 1/L1...

  • Page 28: Alarm Relay Contact (Option)

    Installation Important! • The DC inputs (LDC and ATP) are polarised. The ‘+’ of the control signal must be connected to terminal 12 (labelled LD for the LDC input and RI for the ATP input). • If an RC snubber contact protection circuit is used (HAC input), the maximum capacitor value is 22 nF for 240 Vac.

  • Page 29: Connecting The Digital Communication

    Installation 2.4.4. 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 30 Alarms Chapter 3 3. ALARMS (Options) Contents Page Alarm diagnostic summary ........3-2 3.1.

  • Page 31: Alarm Diagnostic Summary

    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 32: Safety Mechanisms

    . Given the value of the requirement controlled by the 7200S, 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) 'Gross Fault' T °...
  • Page 33 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 34: Setting The 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 35: 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 3-2 shows the three types of flashing if a load failure is detected on one of the channels of the 7200S solid state contactor.

  • Page 36: Function Of Dlf Alarm Push-Button

    Alarms 3.6. 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 37 Alarms 7200S User Manual...
  • Page 38 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 39 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 40 Commissioning 4.2.2. CHECKING THE WIRING 4.2.2.1. Cut-off and separation 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 41 Commissioning 4.3. MAINTENANCE • Every six months, check that the power and protective earth cables are correctly tightened (see ‘Wiring’ section, chapter 2). • If the load parameters change, the operation of the PLF detection must be diagnosed (see ‘DLF option’ section chapter 3). •...
  • Page 42 Commissioning Rating External Fuse and fuse-holder assembly fuse part Part Number Dimensions (mm) number 16 A CH260034 FU1038/16A 86.5 64.5 25 A CH260034 FU1038/25A 86.5 64.5 40 A CH330054 FU1451/40A 76.5 63 A CS173087U080 FU2258/63A 126.5 x 76.5 80 A CS173087U100 FU2258/80A 126.5 x...
  • Page 43 Notes USER’S NOTES 7200S user Manual...
  • Page 44 Notes 7200S user Manual...
  • 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 AUSTRALIA JAPAN Eurotherm Pty. Ltd. Densei-Lambda KK Eurotherm. Tel Sydney (+61 2) 9634 8444 Tel Tokyo (+81 3) 5714 0620 Fax (+61 2) 9634 8555 Fax (+81 3) 5714 0621 Web: www.eurotherm.com.au Web: www.nemic.co.jp AUSTRIA...

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