7000 RANGE 7300S SMART CONTROLLER THREE - E
Contents
1. Internal fuse compartment Protective earth 2 attachment screws for internal fuse compartment e EUROTHERM T Internal wiring diagram yu 3 2 internal fuses for 125 to 160 A ratings DLF option CHK SET push button zn em I H DLF alarm x Over temperature Alarm 1 setting diagnosis units gt 125 A y oe Shr Signalling LEDs alarms and operation AAA code MSFU Control terminal labelling Fan power supply Fan Controlled phase terminal loas side Figure 1 3 General view of 7300S with analogue control ratings gt 125 A 14 7300S user Manual Identification 1 2 TECHNICAL SPECIFICATIONS 1 2 1 USE 1 2 2 POWER Nominal current per phase Nominal line to line voltage Frequency Dissipated power Cooling 1 2 3 LOAD Categories of use Connections Load configuration 1 2 4 SIGNALLING Basic version Supply present Thyristor firing request With options Alarms In accordance with product standard EN 60947 4 3 Units for uninterrupted service 1 Semiconductor contactor DOL variant 5 logic input signal DC LDC input or AC HAC input 2 Thyristor unit variant 4 4 20 mA analogue input signal ATP input or digital communication option Configuration on order 16A to 160A defined at 45 C de2. OPTIONS gt Basic Version or options LEDs Front panel Y ier Red gt 125 A Y Q cnr Red V DIAGNOSIS Ready Firing Over Thyristors Thyristors Total Load Partial for firing No alarms temperature short circuit short circuit Failure Load Firing or on phase Failure stopped Total Load indicated on phase Failure indicated Table 3 1 Diagnosing operation and alarms according to front panel LEDs status 32 73005 User Manual Alarms 3 Chapter 3 ALARMS Options 3 1 SAFETY MECHANISMS The alarms on the 7200S solid state contactor protect the thyristors and the load against certain types of abnormal operation and provide the user with the infor mation about the type of fault Danger Alarms are not under any circumstances a replacement for personnel protection The user is responsible for installing independent safety mechanisms which must be inspected regularly Given the value of the requirement controlled by the 7300S this is strongly recommended Eurotherm can supply various types of suitable alarm detector 3 2 ALARMS SIGNALLING Red LED Red LED Over temperature gt 125 A Gross Fault Orange LED DLF alarm adjustment Partial Load Failure and diagnostic push button Figure 3 1 Layout of front panel LEDs with GRF and or DLF option 3 3 ALA
3. cs Y mobile hooks Toremovethe unit RELET downwards move the mobile hooks downwards by pulling the catch on the bottom attachment plate eunclip the unit from the rail Lower attachment plate Figure 2 1 Attaching the 7300S to DIN rails 7300S User Manual 23 Installation 2 2 4 Bulkhead mounting For 2 TIT 1000 M6 screws 144 For 2 l M6 screws B A gs N i 498 426 7 399 7 E For 2 L 124 zl M6 screws 305 275 Ej Figure 2 4 Units gt 125 Ho v r LN For2 L 124 M6 screws Figure 2 3 Units from 63 A to 100 24 7300S User Manual Installation 2 3 WIRING 2 3 1 GENERAL CONNECTION DIAGRAM The general connection diagram shows the power terminals independent of the three phase load configurati on and control connectors To supply network Protection and cut out installed by user External fuses Thyristor protection units lt 100 A Protective T Earth EURO THERM 7300s 40A 500 L1 L2 4 L3 He 2 T1
4. 312 513 PE power g wiring diagram 2m am em V Oo pore EN 60947 4 3 DLF options Input Neutral connector connector 3 power terminals lt load side Three phase star with neutral load Figure 2 9 Connecting a three phase load using Star with Neutral configuration Note for units gt 125 fuses are internal Protection and cut out installed 2 B by user Three phase supply Thyristor fuses external lt 100 A VY 3 power terminals supply side Protective earth terminal 7300s 40A 500V 3 00 75 13 an am 56 3 4 Oon n E EURO THERM Internal power wiring diagram 60947 4 3 Input connector 3 power a terminals load side 1 Three phase load open delta Figure 2 10 Connecting a three phase load using Open Delta configuration 2 8 7300S User Manual Installation 2 3 3 CONTROL TERMINAL BLOCKS The control terminal blocks are plug in screw connectors located on the underside of the solid state contactor 2 3 3 1 Control signal 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 ter minal blocks are marked on the front panel Input code and Terminal Terminal Terminal Terminal Torque Stripping type bl
5. An external high speed fuse protects the thyristors in 7300S units with a current rating of 16A to 100A An internal high speed fuse protects the thyristors in 7300S units with a current rating of 125A to 160A The product code indicates whether a fuse is included in the unit ordered and the type of fuse With the FUSE or MSFU Micro Switch FUse codes a fuse and fuse holder assembly corresponding to the current rating is supplied with the product FUSE code the fuse does not have a fuse blown striker bar MSFU code the fuse has a striker bar and the fuse holder is fitted with a blown fuse microswitch to be connected by the customer 7300S User M anual Commissioning External fuse part number CH 260024 CH 260034 CH 330054 51730870 080 51730870 100 CS173246U 125 External Fuse part number with strike bar CS176513U 020 CS176513U 032 CS176513U 050 Fuse and fuse holder assembly Part Number FU3038 16A FU3038 25A FU3451 40A FU3258 63A FU3258 80A FU3760 100A Dimensions mm Hx L 81 x 81 x 111 x 128 x 128 x 240 with 52 5 52 5 79 5 105 105 mask 59 59 76 5 76 5 76 5 150 without x 100 x 107 Fuse and fuse holder assembly with microswitch Part Number M SF U3451 16 M SF 0 3451 25A M SF 0 3451 40 11 11 11 HxL 795 795 795 Dimensions mm 76 5 76 5 76 5 Thyristor Pt 800 A s 1800 A s 11000 A s 2
6. ore UE eR Rt 15 1 2 5 Eiring Modes sod ERROR VELIE VR 16 1 2 6 Inp ts o ere het ento ere des 16 1 2 7 Control ede BO RA Sake hn Ac ose beck 16 1 2 8 Alarms ere pitt eat C RUE eem ei 17 1 2 9 Protecti On ie Ld sue eee are d Kerne d acne 17 1 2 10 Environment esses ees 18 1 2 11 Dimension 1 8 1 2 12 E 1 8 1 2 13 Digital Communication 18 1 3 Coding ret etus de sede thse acl ted Bah embed ac eh 1 10 7300S User Manual 11 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 Depending on the type of control signal and the type of input specified 2 operating modes are available logic on off or modulation Burst mode Power terminals Protective earth supply side terminal a ca cur A E EUROTHERM 73008 111 40 A 500V 3 12 5 13 Digital communication Internal Transmission LEDs and wiring diagram c
7. 7000 73005 SMART CONTROLLER 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 per mission from Eurotherm is strictly prohibited Ref 176661 ENG Issue 2 1 11 2004 COMMISSIONING FLOWCHART Y EM MEE Xr ii 7300S User Manual Contents CONTENTS Page Commissioning flowchart ii European directives and applicable standards iv Chapter 1 Identification of solid state contactor 1 1 Chapter2 1 lt 2 1 Chapter3 3 1 Chapter 4 Maintenance 4 1 Eurotherm Limited 5 1 PURPOSE OF MANUAL This manual Issue 2 1 describes the Basic Version and all Options for 7300S series solid state contactors with current ratings up to 160 A 7300S User Manual 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
8. 4172 6 T3 Y Q cnr e gr Oon HEAT EN 60947 4 3 Alarm Relay Connector connection 4S coupling To three phase load DLF option Figure 2 5 General connection diagram for lt 100 A units 7300S User Manual 25 Installation To supply network Protection and cut out installed by user L1 L2 L3 Supply protection and cut out Installed by user Controlled channel terminal supply side internal fuse compartment thyristor protection Protective earth terminal Internal power wiring diagram EURO THERM 7300s 160A 500v 5 12 ie 3 12 21 1 41 2 6 T2 n EN 60947 4 3 Internal I gt fuse blown contact MSFU Controlled channel terminal load side 4 N 2 230 N N LJ 16 1718 21 22 ja Input signal Fan neutral terminal block power supply for reference terminal block ex 230 V Figure 2 6 General connection diagram for gt 125 A units 7300S User Manual 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 must be wired to the three phase load The pr
9. same cabinet arrange them such that air from one unit is not drawn in by the unit above The ambient temperature beneath the unit must not exceed 45 C Leave a gap of at least 10 mm between adjacent units Important Nominal currents correspond to use at ambient temperatures of no morethan 45 C Overheating may cause incorrect operation and may even lead to components bei ng damaged Danger is the user s responsibility to wire and protect the facility according to best practice and applicable standards A suitable device ensuring that the unit can be electrically isolated from the supply must be installed upline to enable work to be perfor med safely Conductor cross sections should comply with IEC 60943 Only use copper cables and wires rated for use at 75 C Before connecting or disconnecting the unit check that power and control cables and leads isolated from voltage sources The protective earth must be connected before any other connections are made and should be the last cable to be disconnected The protective earth connection terminal is marked with the symbol 6 Important e ensure that 7300S solid state contactors comply with Electromagnetic Compatibility requirements ensure that the panel or DIN rail to which they are attached is correctly grounded The ground connection designed to ensure ground continuity is not in any way a substitute for the protective earth connection Run low volt
10. the 05s third controlled channel Figure 3 2 Signalling of channel for load failure on the DLF LED Important Thenumber of times the DLF LED flashes indicates thethyristor channel number connected to the failed load phase eIn 3S thre phased load configuration the load phase connected to the channel indicated by the DLF LED has failed eIn 3D three phased load configuration on one or two branch es of the delta connected to the channel indicated by the DLF LED has failed 3 5 LOAD TYPE MATCHING PLF detection is adaptated to the load type Thetype of load controlled is selected when ordering with the product code LTCL Low Temperature Coefficient Load or SWIR Short Wave InfraRed 3 6 DISABLING ALARMS AND DIAGNOSTICS FOR LOAD FAILURE SIGNALLING PLF fault signalling DLF indicator and relay can betemporarily excluded from alarms in order to diagnose the presence of the fault and the monitoring status by pressing the CHK SET Check Setting push button If thefault persists DLF signalling returns to the alarm position 36 7300S User Manual 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 3 7 1 Setting request V Push and hold until DL
11. 5000 A s 25000 A s 25000 A s Table 4 1 Tripolar Fuses without microswitch recommended for rating 16 A to 100 A code FUSE Thyristor Pt 800 A s 1800 A 5 11000 A s CS176461U 080 CS176461U 100 CS176246U 125 128 105 x 128 x 105 x 240 with mask 150 without x 100 x 107 25000 25000 A s M SF U 3258 63A M SF U3258 80 M SF U3760 100A 76 5 76 5 25000 Table 4 2 Tripolar Fuses with microswitch recommended for rating 16 A to 100 A code MSFU Internal fuse part number Thyristor Pt CS176762U160 x3 CS176762U250 x3 145000 A s 145000 A s Table 4 3 Unipolar fuses recommended for rating gt 125 A Note Thyristor protection is achieved with one external tripolar fuse and fuse holder for 7300S units x 100A Important For all loads other than short wave infrared elements using a thyristor protection fuse other than the recommended fuse voids the product guarantee AN 7300S User Manual 45 EUROTHERM LIMITED For over thirty years Eurotherm Limited have been providing an unparalleled level of service and expertise to customers in the control of 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 nput conditioning Process and Temperature Indicators Single Loop Process and Temperature Controllers with Programmin
12. A and above for ratings of 125 A or more check that the reference voltage is connected to ter minal L2 on the EXT terminal block figure 2 11 For fan cooled units 125 A and above check the fan power supply voltage connections and fuse Check the polarity of DC input signals code LDC or ATP Table 2 4 4 2 3 POWER UP 4 2 3 1 Power and auxiliary voltages and input signal Check that thereis no input signal then power up theunit Check that thereis no current in the load Check theauxiliary voltage for COM options 2 terminal block see page 2 11 Apply the logic signal LDC HAC inputs for a short period or the analogue signal with a low value ATP input and check that the load current appears and the HEAT LED is lit duringfiring Apply the necessary input signal 4 2 3 2 Adjust the partial load failure detection setting DLF option Check that the DLF alarm operating conditions are correct and that the load failure detecti on conditions are met page 3 5 The partial load failure detection settings are adjusted with the push button on the front panel of units fitted with the DLF option The procedure and conditions for this setting are described the DLF option section in page 3 7 7300S User Manual 43 Commissioning 4 3 MAINTENANCE Every six months check that the power and protective earth cables are correctly tightened e If the load parameters change the oper
13. 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 ethe European Low Voltage Directive 73 23 EEC dated 19 February 1973 modified by 93 68 EEC dated 22 uly 1993 ethe Electromagnetic Compatibility Directive 89 336 dated May 1989 modified by 92 EEC dated 28 April 1992 and 93 68 EEC dated 22 uly 1993 SAFETY The units have IP20 protection rating as defi ned by standard IEC 60529 External wiring must comply with standards IEC 60364 4 43 and IEC 60943 Copper cables and conductors must be used rated to a temperature of 75 C 167 F ELECTROMAGNETIC COMPATIBILITY EMC TEST STANDARDS 7300S products installed and used in accordance with the user manual are designed for an industrial environment and not a commercial or light industrial premises and must not be used in the home IMMUNITY The EMC immunity test standards required by product standard EN 60947 4 3 are given in the table following Test type Electrostatic discharge Minimum level 4 on contact 8kV in air EMC test standard EN 61000 4 2 Radiated radio frequency electromagnetic field 10V m 80MHz lt lt 1GHz 80 modulation 1 kHz sinusoid EN 61000 4 3 Electrical fast transient burst 2kV 5kHz EN 61000 4 4 Electrical Surge 4 line to earth 2kV linetoline EN 61000 4 5 Con
14. F LED flashes zi CHK Push Button SET Setting LED performed Setting LED DLF not performed Figure 3 3a PLF detection setting request 3 7 2 Diagnosis Push and hold until DLF LED is lit Push Butt CHK lt ush Button SET lt 35 t 0 Monitoring LED enabled Monitoring UD Disabled LED PLF fault Alarm Relay Alarm ON Alarm OFF d Alarm ON Figure 3 3b PLF monitoring diagnosis 3 7 3 Disabling V Push and hold until DLF LED stops flashing a CHK Push button gt 85 t 0 Monitoring LED disabled Figure 3 3c Disabling PLF monitoring 7300S User Manual 37 Alarms 38 73005 User Manual Commissioning Chapter 4 4 COMMISSIONING AND MAINTENANCE Contents Page 4 1 Safety during commissioning and maintenance 42 4 2 COMMISSIONING cere ed REDE OR ue RI PRU ee ee ROC 4 2 4 2 1 Checking the 5 lt 42 4 2 1 1 Load current 42 4 2 1 2 Supply voltage 4 2 4 2 1 3 Input signal 4 2 4 2 2 Checking wiring 43 4 2 2 1 Cut off and isolation systems 43 4 2 2 2 Protective earth power and control connections 43 4 2 3 Power 43 4 2 3 1 Power and auxiliary voltag
15. Piel Risk Lex eR eee 2 7 2 3 2 2 Power connection details 2 7 2 3 2 3 Three phase load wiring schemes 2 7 2 3 3 Control terminal 2 9 2 3 3 1 Control 2 9 2 3 3 2 Alarm relay contact option 2 9 2 3 3 3 Connecting the reference neutral voltage 2 10 2 3 3 4 Fan power supply 2 10 2 3 3 5 Connecting the digital communication 2 11 7300S User M anual 21 Installation 2 Chapter 2 INSTALLATION 2 1 SAFETY DURING INSTALLATION MOUNTING AND WIRING pe um 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 We recommend fitting fan cooled cabinets with a fan failure detection device or a safety cut out triggered by the internal temperature of the cabinet Cabinets must be closed and connected to the protective earth according to 60364 or applicable national standards Important Units must be mounted with the heatsink positioned vertically and with no obstructi ons above or below the unit which could reduce or hamper air flow If several units are fitted in the
16. RM STRATEGY Description Signaling GRF Serious Alarm Total Load Failure TLF Alarm Relay Thyristor Shirt Circuit THSC Over temperature Contact amp Corresponding Partial Load Failure PLF monitoring setting diagnosing LED lit on front panel Conduction over temperature fault detected Only if one Alarm stopped fan cooled products gt 125 A option has been selected Alarm Relay Every alarm change the Alarm Relay Contact position This contact is Open on alarm or Closed on alarm according to the code Cut off alarm contact capacity is 0 25 A 230 Vac or 30 Vdc Memorisation No Alarm are memorised Partial Load Failure signalling and Reset can temporarly be out of alarm using the push button Table 3 2 Summary of available alarms 7300S User Manual 33 Alarms LED State Firing Temps de DLF stopped r action orange typique Partial Load Failure Flashing PLF ON 5sto13s Total Load Failure Flashing or TLF Flashing Thyristor Short Circuit OFF THSC Over temperature T OFF Table 3 3 LEDs for serious alarms or faults with GRF and or DLF options Even if the control signal is present Theindicators for serious alarms detected return to normal LEDs and relaysin non alarm position after the fault condition ceases Important TheGRF option Gross Fault is automatically included with the DLF option TheDLF LED is used to distinguish betw
17. age and power cables in separate cable ducts or trays 22 7300S User Manual Installation 2 2 MOUNTING 2 2 1 TYPES OF MOUNTING DIN rail mounting 16A to 40A only Bulkhead mounting with screws 63A DIN rail mounting lt 40 A only Bulkhead mounting Attachment plate DIN rail Attachment plate Two horizontal Two symmetrical Two horizontal plates rails EN 50022 plates Table 2 1 Attachment details for both mounting types 2 2 2 Attachment plates figures 2 1 to 2 4 Two factory fitted attachment plates on the rear of the 7300S solid state contactor are used eto clip the unit to a DIN rail or to screw the unit to a bulkhead Each attachment plate has attachment holes for bulkhead mounting and two fixed hooks and two mobile hooks for clippingto a DIN rail the mobile hooks are moved using a catch and spring 2 2 3 Mounting on DIN rails fix two symmetric DIN rails for units rated 16A to 40A in accordance with theunit dimensi ons and safety recommendati ons bringtheunitup against thetop rail engaging the two fi xed hooks on thetop attachment plate e push the unit against the eclip the unit onto the bottom rail using the mobile hooks on the bottom attachment plate ensuring that they are properly engaged attachment hooks Catch to move Upper attachment plate He Attachment hooks EN50022 DIN rails 220 125
18. arm Signalling Settings Sensitivity Extension Over temperature alarm Total load failure TLF and thyristor short circuit THSC detection When aserious alarm is detected GRF LED is lit ethe alarm relay contact is activated Partial load failure detection and diagnosis If a partial load failure PLF fault is detected ethe orange DLF LED is lit ethe alarm relay contact is activated The front panel push button is used for emonitoring and diagnosis e adjusting and resetting the alarm Detects the failure of at least 1 element out of 4in 3S 4S 6D configuration 1 element out of 3D configuration The DLF option includes serious alarm monitoring GRF option included PLF fault detection for SWIR is only available with IHC or 1 conduction modes with M OP option or controlling using REMIO onlt in 45 6D configurations For all fan cooled units gt 125 the unit cuts out if the temperature threshold is exceeded whether or not options are fitted Signalling Alarm relay 1 2 9 PROTECTION Short circuits co ordination type Electrical protection Thyristors Replacement fuses If an over temperature alarm is detected ethe T LED islit ethe alarm relay contact is activated provided one of the alarm options is selected Available with one of the Alarm options The relay contact 0 25 A 230 Vac or 30 is either open on alarm or closed on alarm
19. ation of the PLF detection must be diagnosed see DLF option section chapter 3 f a DLF alarm occurs check the load wiring and condition of contacts Usethe push button to confirm the DLF alarm diagnosis e To ensure that the unit is cooled correctly the heatsink should be cleaned regularly depending on how dirty the environment is as should the fan protection grille for fan cooled units rated at 125 A or more Danger AN Power down the unit before cleaning and allow 15 minutes for it to cool down 4 4 THYRISTOR PROTECTION FUSES A high speed fuse protects the thryistors in the 7300S unit against excessive current For current ratings up to 100 A the fuses are external For current ratings of 125 A and above the fuses are internal located in a special com partment under a cover held by two captive screws Danger AN High speed fuses not provide protection for the installation Upline protection must be fitted non high speed fuses circuit breakers If the Fuse field of the product code is NONE i e the user did not order a thyristor pro tection fuse or the load comprises short wave infrared elements the fuse is not supplied ratings 16 A to 100 A or is not installed inside the unit ratings 125A and over Important For all loads other than short waveinfrared elements using a thyristor protection fuse other than the recommended fuses listed in the tables below voids the product guarantee
20. cation complies with the specifications given in GOULD MODICON Protocol Reference Guide PI M BUS 300rev J 24 20 47 to 63 Hz or 24V dc 20 non polarised Typical consumption 1 5 VA Protection external 2A fuse External wiring should comply with standard IEC 60364 Standard RS485 2 wires Speed 9600 or 19200 baud Selected by switch on front panel The speed is factory set to correspond to the selected product code 7300S user Manual Identification Termination Address Diagnostic Control Parameters and operating mode Firing base time The communication bus must have termination resistors fitted at each end line impedance matching resistor two RS485 bus polarisation resistors Adjustable between 1 127 using front panel switches only The physical address is factory configured to 32 by default Green LED on front panel indicates power presence waiting for frames communication established Two orange LEDs show the status of the communication bus transmission or reception Supply voltage compensation operates for variations up to 20 of nominal voltage using V2control Read and write by digital communication see Digital communication manual part No HA 176664EN Configurable over communication link 9 5090 of power lor 255 cycles Burst mode The default base time is factory configured to 16 cycles Eurotherm s policy of con
21. depending on the product code Type 1 high speed fuses IP20 without adding additional protection Varistors and RC snubbers Hi gh speed fuses ratings lt 100A external selected in product code ratings gt 125A internal No fuse for short wave infrared elements See chapter 4 7300S User Manual 17 Identification 1 2 10 ENVIRONMENT Use Storage Isolation voltage Pollution Humidity Over voltage 1 2 11 DIMENSIONS Oto 45 C at nominal current at maximum altitude of 1000 m 10 C to 70 C Assigned isolation voltage V 500V Degree 2 acceptable defi ned by IEC 60664 RH 596 to 9590 non condensi ng non streaming Over voltage category 11 as defined by IEC 60664 V imp 4kV Ratings _ Height Width Depth mm GRF only or GRF Comm DLF Comm Comm only or DLF only 16 Ato 40 220 mm 189 214 239 63 Ato 100 A 305 mm 295 372 372 125 Ato 160A 498 mm 295 372 372 Table 1 1 Units dimensions according to the ratings and the options chosen 1 2 12 MOUNTING Attachment Attachment plate fi xed to unit symmetrical EN 50022 DIN rail or bulkhead mounting for ratings 63A bulkhead mounting only 1 2 13 DIGITAL COMMUNICATION Availability Protocol Compliance Power supply Transmission The digital communication option is exclusive with control using thelogic or analogue input signal M odbus RTU Communi
22. der the following conditions no over temperature or thyristor short circuit faults erms voltage across the load greater than 40 of the nominal voltage and rms load current greater than 596 of the rated current Total Load Failure TLF monitoringis only possible under the following conditions no over temperature or thyristor short circuit faults therms voltage across load is greater than 40 96 of the nominal voltage 3 3 3 Partial Load Failure Detection Sensitivity Partial Load Failure Detection Sensitivity can be expressed terms of a maximum number of load elements connected in parallel for which the unit can detect the failure of one element The DLF sensitivity guaranted for identical three phase loads connected in parallel is 3D coupling 1element out of 3 35 4S and 6D coupling 1 element out of 4 7300S User Manual 35 Alarms 3 4 SIGNALLING OF CHANNEL FOR LOAD FAULT With the DLF option the DLF LED flashes particular ways to indicate the number of controlled channel of the two thyristor channels on which load failure TLF PLF has occured Figure 4 3 shows the three types of flashing if load failure 15 detected on one of the channels of the 7300S solid state contactor LED ODE status Load failure on the first controlled channel LED status DLF Orange Load failure on the second controlled channel LED status O DLF Orange 2 Load failure on
23. ducted disturbances 140 dBuV 150kHz lt f lt 80MHz EN 61000 4 6 Voltage di ps and short interruptions Table 1 5sinterruptions EMC immunity standards compliance EN 61000 4 11 7300S User Manual European directives and applicable standards EMISSIONS The EMC emissions test standards required by product standard EN 60947 4 3 are given in the table following Emission type Firing mode EMC test standard Radiated at radio All firing modes CISPR 11 Class A frequencies Conducted at radio All firing modes CISPR 11ClassA frequencies Group 2 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 7300S User Manual v vi 7300S User M anual Identification Chapter 1 1 IDENTIFICATION OF SOLID STATE CONTACTOR UNITS Contents Page 1 1 General presentation 12 1 2 Technical specifications 15 1 2 1 US6 Leere eee ete E Gate net RR Ne AER C Ce WE Ra MR nas 15 1 2 2 ws fii LE eere RR RR EIC EORR 15 1 2 3 Erneut e aee e OPI EP 15 1 2 4 SI QM ALIN
24. een TLF or THSC faults TheDLF indicator flashes a particular way to indicate the channel on which the load failure has occured see figure 4 3 Thered T LED is only fitted for fan cooled units rating gt 125 A and if one of the alarm options is selected 34 7300S User Manual 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 rms voltage across load is greater than 40 96 of the nominal voltage rms current is greater than 3096 of therated current no over temperature or thyristor short circuit faults each time PLF setting is required the three phase load must be balanced in order to guaranteethe full scale sensitivity setti ngs must be done at the load s nominal temperature Note PLF settings stay memorised even if a supply cut out occured 3 3 2 Partial or Total Load Failure Detection Partial Load Failure PLF monitoring involves comparing the load impedance with refe rence impedance stored during setting This comparison allows the detection of theload impedance increase The load impedance is calculated from the continuous measure of the rms values of current and voltage PLF detection is only possible un
25. erious alarms Digital communication Communication protocol Modbus No communication Noalarms 10 Load type 13 Transmission speed Comm option other than NONE For DLF option e Resistive load with low temperature coefficient Short wave infrared elements Transmission speed 9 6 kbaud 19 2 kbaud Without DLF option No communication 11 Alarm relay contact Code 14 Certification option Code GRF or DLF option Alarm relay contact Closed on alarm Open on alarm Without alarm option With certificate of Compliance with Order Without Certificate of Compliance with Order 15 Warranty Extension Without warranty extension With warranty extension to 5years 7300S user Manual 1 111 Identification 1 2 7300S User M anual Installation Chapter 2 INSTALLATION Contents Page 2 1 Safety during installation 2 2 2 2 MOUNTING axes d queden soe een rte oes Eg d 2 3 2 2 1 Types of mounting 2 3 2 2 2 Attachment 2 3 2 2 3 Mounting on DIN 5 2 3 2 2 4 Bulkhead mounting 24 2 3 oec pesce Aten uc e eS 25 2 3 1 General connection diagram 25 2 3 2 Power connections 2 7 2 3 2 1 General ix
26. es and input signal 4 3 4 2 3 2 Adjust the partial load failure detection setting 4 3 4 3 Maintenance 44 4 4 Thyristor protection 4 4 7300S User M anual 41 Commissioning 4 Chapter 4 COMMISSIONING AND MAINTENANCE 4 1 SAFETY DURING COMMISSIONING AND MAINTENANCE Please read carefully before commissioning the unit Important e Eurotherm shall not be held responsible for any damage injury losses or expenses incurred by inappropriate use of the product or failureto 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 beinstalled and used Danger The product must be commissi oned and maintained by qualified personnel autho rised to work in an industrial low voltage environment Users must not attempt to AN access internal parts The heatsink temperature may exceed 100 C The heatsink remains hot for approx 15 minutes after the unit is shut down Avoid touching the heatsink even briefly while the unit is operating 4 2 COMMISSIONING 4 2 1 CHECKING THE CHARACTERISTICS Before powering up the unit check that the identification code corresponds to the code specified on the order and that the characteristics are compatible with the facility 4 2 1 1 Load current The maximum load cur
27. g facilities Programmable Multi loop Process Controllers Solid State Contactors Power Controllers ePaper and Paperless Data Recorders Data Acquisition and Management Instrumentation Supervisory Systems SCADA Process Automation Systems Eurotherm manufactures at a number of locations in Europe and the USA andis a major supplier to the world s processing and manufacturing industries Eurotherm Limited is 1509001 approved and operates TickIT protocols for software man agement Please contact your local Sales Office 5 1 7300S User Manual
28. ock number reference capacity mm AWG Nm LDC logic 4 5 32 Vdc HAC logic 85 253 Vac ATP analogue 4 20 DC Table 2 4 Description of control input terminal block Important The DC inputs LDC and ATP are polarised AN The of the control signal must be connected to terminal 12 labelled LD for the LDC input and RI for the ATP input f an RC snubber contact protection circuit is used HAC input the maxi mum capacitor valueis 22 nF for 240 Vac Increasing this value may lead to continuous firing 2 3 3 2 Alarm relay contact option If one of the alarm options is fitted an alarm relay contact is available on the ALARM terminal block Contact switching capacity 0 25 maximum 250 Vac or 30 Vdc Thetype of contact closed or open on alarm is selected on ordering and deter mines the terminal numbers Option code Terminal Terminal Terminal Terminal Torque Stripping block number reference capacit Nm GRF Serious alarms DLF DLF alarm and serious alarms Table 2 5 Description of Alarm relay contact terminal block 7300S User Manual 2 9 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 Ter minal capaci
29. onfiguration microswitches 2 T1 41 2 6 T3 Y GRF CHK DLF Option _ gt 0 ODE O ser J push button N Supply present Se Firing request fee MEET 1 Control terminals 14 labelling Salo of o 0 Control terminal block TES A wet Power terminals Load side Figure 1 1 General view of 7300S with digital communication control ratings from 16 A to 40A 1 2 7300S User M anual Identification Internal power wiring diagram GRF option 24 Serious alarms DLF option Power terminals supply 4 Y E N EURO THERM L1 2111 Diagnostic alarm Electronics supply Zero crossing firing mode Firing request LED Control terminal _ pinouts Control connector 7300S 63A 500V 4 12 4 13 4 72 6 13 SII I Protective earth terminal goes N Power terminals load Figure 1 2 General view of 7300S with analogue control ratings from 63 A to 100 7300S User Manual Identification Controlled phase terminal supply side
30. otective earth terminal PE marked with the earth symbol must be wired to the protective earth see section Safety during installation page 2 2 2 3 2 2 Power connection details Rating A Terminal capacity Torque Nm Stripping length mm mm AWG 16 to 25 25 to 6 40 to 63 6 to 16 80 to 100 16 to 35 16 4 or 28 8 125 50 to 120 M 10 nut 17 mm 10 12 160 70 to 120 wrench to attach eyelet and terminal Table 2 2 Power connection details for ratings from 16 A to 160 A Conductor cross secti ons should comply with IEC 60943 Use 75 C copper wire only 2 3 2 3 Three phase load wiring schemes Power connections to the unit depend on the load confi guration Thefollowing four configuration schemes may be used for three phase loads star without neutral 3connection wires code 3S figure 2 7 closed delta 3 connection wires code 3D figure 2 8 star with neutral 4 connecti on wires code 4S figure 2 9 open delta 6 connection wires code 6D figure 2 10 Configuration type Load voltage Load current Important note Star without neutral Current in oneline of thyristors lI Star with neutral Current in oneline of thyristors lI Closed delta I Balanced load Open delta T Current in oneline Itis essential to of thyristors lI connect the loads as shown in figure 2 10 Table 2 3 Characteristics of different balanced three phase load configuration scheme
31. pending on product code The unit can be used up to 60 C ambient temperature following derating curves Please consult Eurotherm 200 V to 500 V depending on product code 10 and 15 Use from 47 to 63 Hz automatic matching Approx 1 3W typical 2W max per amp and per phase with fuses Ratings lt 100A natural convection Ratings 2 125A fan 115V or 230V external supply consumption 10 VA Three phase Industrial Load The categories of use applicable for each unit are indicated on the identification label AC 51 Non inductive or low inductance loads furnace resistances Resistive load with low temperature coefficient AC 55b Switching of incandescent lamps short wave infrared elements SWIR for x 100A units Independent of order of phase rotation Star with neutral 4 wires Star without neutral 3 wires Closed delta 3 wires Open delta 6 wires Green ON LED Green HEAT LED Red and orange LEDs alarm relay contact 7300S User Manual 15 Identification 1 2 5 FIRING MODES Thyristor switching Logic mode Burst mode 1 2 6 INPUTS Power Supply Logic firing signal LDC input signal HAC input With DLF option Burst mode firing Analogue signal ATP input Digital communication MOP option Atthyristor zero voltage crossing DC signal applied to LDC input Low Direct Current AC signal applied to HAC inpu
32. rent must be less than or equal to the nominal current value of the solid state contactor taking account of supply and load variations 4 2 1 2 Supply voltage The nominal voltage value must be greater than or equal to the lineto line or line to neutral supply voltage depending on the connection scheme Never use the unit on a supply with a voltage greater than the nominal value 10 as this could damage the protection components or even the thryistors 4 2 1 3 Input signal The signal type is factory configured depending on the option ordered Check that the signal used corresponds to the input type indicated on the front panel of the unit LDC HAC or ATP 42 7300S User M anual 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 electrically isolated from the ply must be installed upline to enable work to be perfor med safely 4 2 2 2 Protective earth power and control connections e Before checking the wiring ensure that the power and control wires isolated from power sources e Check that the protective earth cable is connected to the earth terminal on the unit Check that the wiring corresponds to the connection diagram figure 2 5 for ratings up to 100A and figure 2 6for ratings of 125
33. s V Line to line voltage V y Line to neutral voltage Thyristor line current 7300S User Manual 2 7 Installation To supply network Protection and cut out installed by user Thyristor fuses external lt 100A _ power Protective erminals rth eal supply side EUROTHERM 7300s terminal 40A 500V Internal He qe power irin diagram hse Input connector 3 power terminals gt load side Three phase load To supply network Protection and cut out installed by user 2 13 ipee 1 Thyristor fuses 1 external lt 100A 3 power pep Protective supply sid 3 earth supply side EUROTHERM 7300s xem 40A 500V Internal 93 12 5 13 power wiring 6 diagram bim Tan Tem n EN 60947 4 3 Input AES connector 3 power terminals load side Three phase closed delta 1 load 1 Figure 2 7 Connecting a three phase load using Star without neutral configuration Figure 2 8 Connecting a three phase load using Closed Delta configuration Protection and cut out installed by user Three phase supply Thyristor fuses external lt 100 A terminals earth supply side EURO THERM 73005 terminal 40A 500V Internal
34. t of the bus Shield Bus line B To the next interface Auxiliary supply Y Ocnr 0 Ser n S A 2 9192 GN Protective earth Digital communication Auxiliary block terminal supply Figure 2 13 Digital communication connection 7300S User Manual 211 Installation 2 12 7300S User M anual Alarms Chapter 3 3 ALARMS Options Contents Alaram Diagnostic Strategy 3 1 Safety mechanisms 3 2 Alarm Signalling 3 3 Alarm Strategy 3 3 1 Setting DLF alarm 3 3 2 Partial Total Load failure detection 3 3 3 Partial Load Failure detection sensitivity 3 4 Signalling of channel for load fault 3 5 Load type matching 3 6 Disabling alarm and diagnostic for load failure signalling 3 7 Functions DLF alarm push button 3 7 1 Setting Request 3 7 2 DIAQNOSIS ove ERAN ee eat ee BER 3 7 3 Disabling cx eie toner t e ceeded eee 7300S User Manual 31 Alarms ALARM DIAGNOSTIC SUMMARY The table below summarises all status LED information needed to diagnose the fault
35. t High Alternating Current Supply voltage modulated by the 4 20 mA analogue signal applied to the ATP input Analogueto Time Proportional Firing basetime 0 3s approx 15 cycles at 50 Hz with Digital Communication option base modulation time from 1 cycle Single cycle mode 1Lhalf cycle in Advanced single cycle mode to 255 cycles Self powered electronics Conducting from 4 5 Vdc to 32 Vdc max current gt 9mA Off L5V or lt 0 1 Responsetime lt 10 ms If theunit has the DLF option ant that you want to driveit using a REMIO output or 17000 please contact the Eurotherm s applicati on services Conducting from 85to 253 Vac max Impedance 7 at 50 Hz Off lt 10 Vac Response time lt 60 ms If an RC snubber contact protection circuit or control optotriac is used the maximum capacitor valueis 22 nF for 240 Vac Accordingto the control signal one of the two following critera must be respected conduction min T non conduction min gt 0 3 second vT modulation 2 4 seconds 4 20 mA 10 Vdc max Modulation depending on signal Firing base ti me 0 4 s 50 and 50 Hz Digital signals Modbus protocol 1 2 7 CONTROL ATP input only Control type Linearity and Stability Open loop Better than 2 of full scale 16 7300S User M anual Identification 1 2 8 ALARMS Options GRF option Serious alarms Signalling DLF option Diagnostic al
36. tinuous product improvement and development means that the specifications in this document may be modified without prior notice 7300S user Manual 19 Identification CODING 7300S Current Voltage Fan Configuration Fuses Input Language Options 1 Nominal current 5 High speed fuses per phase Thyristor protection fuses only e without microswitch with microswitch 100A exter nal fuses gt 125 internal fuses No fuses or control of Short wave infrared elements 2 Nominal line to line voltage On off firing 200 volts to 230 volts DC logic signal 277 volts 400 volts to 500 volts to 32 AC logic signal 85 Vac to 253 Vac Burst mode firing lt 100A no fan Analogue DC signal gt 125 fan 4 mA to 20 mA 115V supply 230V supply 4 Load configuration Code 7 Manual language French English German Star without neutral Star with neutral Closed delta Open delta Selected options No options End of code Selection of options 1 10 7300S user Manual Identification Alarm option Communication option Certificate Alarm Load Contact Protocol Transmission option Warranty selected Type Type 9 Alarm option Code 12 Communication option Options se ected YES Serious Alarms Thyristor short circuit Total Load failure over temperature for ratings gt 125 A Partial load failure and S
37. ty 2 5 mm torque 0 7 Nm This connection must be protected by a 1A fuse see figure 2 11 Neutral connection in four wire configuration for DLF option To supply neutral Figure 2 11 Connecting the supply neutral voltage code 4S and DLF 2 3 3 4 Fan power supply Thefan current rating 125 A or higher may be powered at 115 V or 230 V depending on the product code power supply terminal block marked FAN has three ter minals 16 to 18 Only oneterminal 16 for 230 V or 17 for 115 V depending the code is to be used to connect to a phase of the supply Terminal 18 marked OV must be connected to the neutral of the external supply or to the second phase if the supply is taken between two phases Thefan power consumption is approx 10 VA If a supply other than 230V or 115V is used thefan must be powered via a transfor mer Terminal capacity 2 5 mm torque 0 7 Nm Supply other than 230 V or 115 V Fan power supply terminal labelling Fan power supply connector Figure 2 12 Typical fan power supply connection code 230V supply other than 230 or 115 V 2 10 7300S User Manual 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 On the last uni
Download Pdf Manuals
Related Search