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Alarms

7300A User Manual

5-2

ALARM DIAGNOSTIC SUMMARY

The table below summarises all status LED information needed to diagnose the fault.  

GRF

HEAT

T

°

DLF

ON

Supply

fault

Firing

stopped

Over-

heating

Firing

stopped

Thyristor

short circuit

or

Total
Load

Failure

Partial

Load

Failure

Red

Red

Orange

Green

Green

OPTIONS 

ICO

GRF

DLF

GRF

DLF

Total
Load

Failure

Thyristor

short circuit

DIAGNOSIS:

A

...

ICO

≥

 125 A

ICO

Over-

current

Firing

stopped

HEAT

Green

or

Neutral

lost

Firing

stopped

No alarm

Firing:

Zero crossing

or

Phase

angle

LEDs

(Front panel)

 

Basic version

and

all options

Table 5-1  Diagnosing operation and alarms according to front panel LED status 

Содержание 7000 Series

Страница 1: ...Single Phase Power Thyristor Units User Manual ε 7300 A ENG ...

Страница 2: ...yright Eurotherm Limited 2002 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 Ref HA 176659 ENG Issue 2 1 12 2005 ...

Страница 3: ... SET push button Characteristics correspond to product code Chapter 1 Supply protection protective earth power control Chapter 2 If external supply electronics or fan Page 2 11 Pages 4 4 Page 2 10 Chapter 2 Chapter 3 Pages 4 3 to 4 5 5 7 Chapter 4 Page 3 3 Alarms signalled Chapter 5 Page 5 5 to 5 7 I lim potentiometer I lim VI lim potentiometers Control signal HRC terminal GRF DLF ICO LEDs I lim p...

Страница 4: ...apter 2 Installation 2 1 Chapter 3 Firing modes 3 1 Chapter 4 Control and Limits 4 1 Chapter 5 Alarms 5 1 Chapter 6 Digital Communication 6 1 Chapter 7 Maintenance 7 1 Eurotherm worldwide sales and service 8 1 PURPOSE OF MANUAL This manual Issue 2 1 describes the Basic Version and all options for 7300A series three phase power thyristor units with current ratings up to 160 A ...

Страница 5: ...d in the home EMC TEST STANDARDS IMMUNITY The EMC immunity test standards required by the standard EN 60947 4 3 Contactors and motor starters AC semiconductor motor controllers and contactors for non motor loads are presented below EMC GUIDE To help you deal with installation dependent electromagnetic interference effects Eurotherm provides an Electromagnetic compatibility installation guide ref H...

Страница 6: ...tation 1 2 1 2 Technical specifications 1 5 1 2 1 Use 1 5 1 2 2 Power 1 5 1 2 3 Load 1 5 1 2 4 Signalling 1 5 1 2 5 Dimensions 1 5 1 2 6 Command 1 6 1 2 7 Firing Modes 1 6 1 2 8 Control 1 6 1 2 9 Alarms 1 7 1 2 10 Protection 1 8 1 2 11 Mounting 1 8 1 2 12 Environment 1 8 1 2 13 Digital Communication 1 9 1 3 Coding 1 10 ...

Страница 7: ...hyristor unit from 16 to 40 A GRF DLF CHK A ON HEAT SET ILIM A LR 7 1 1 a 7 2 1 b A U X 1 1 6 2 3 0 1 7 1 8 0 V 7300A EUROTHERM PE 3 L2 4 T2 2 T1 1 L1 ε 5 L3 6 T3 Protective Earth Terminal Power Terminals supply side Power Terminals load size Internal power wiring diagram Control Terminal Pinouts Electonics Power Supply Firing request LED DLF Option Diagnostic Alarm 40 A 500 V EN 60947 4 3 VI LIM ...

Страница 8: ...nal Power Terminals Supply side Power Terminals Load side Internal power wiring diagram Control Terminal Pinouts GRF Option Serious Alarm Firing Request DLF Option Diagnostic alarm Control Connector GRF DLF CHK A ON HEAT SET ILIM A LR 7 1 1 a 7 2 1 b A U X 1 1 6 2 3 0 1 7 1 8 0 V VI LIM 70 DLY A D J C A L 6 6 0 V C 6 7 H R C ILIM ON Dxch Rx Tx ON C O M B A 91 92 A u x 2 GND 24V 0VS 15 19 20 ...

Страница 9: ... T2 1 L1 Internal wiring diagram internal fuse for 125 to 200 A ratings Power Terminals Supply side Internal fuse Compartment Protective earth terminal DLF Option CHK SET Push Button DLF alarm setting diagnosis Fuse blown contact MSFU code Power terminals load side Fan Over temperature Alarm 125 A only 2 attachement screws for internal fuse compartment 2 T1 Fixing plate M SF 3a 3b 75 76 3 L2 4 L3 ...

Страница 10: ...s furnace resistances Resistive load with low temperature coefficient AC 55b Switching of incandescent lamps for units 100 A Short wave infrared elements SWIR AC 56a Switching of transformers Transformer primaries and high temperature coefficient resistive loads Options must be fitted to 7300A units in order to comply with certain categories of use Connections Independent of phase rotation order L...

Страница 11: ...andard on balanced three phase supply Load voltage squared V2 Option Apparent power V I with mean of 3 phase currents Mean of square of 3 load currents I2 in Phase angle mode Open loop in Phase angle mode Linearity and Stability Better than 2 of full scale Current limit Option depending on firing mode Phase angle Automatic control transfer V2 I2 or V I I2 Current recalibration set by potentiometer...

Страница 12: ...n Partial load failure detection Signalling Orange DLF LED and alarm relay contact Settings Monitoring diagnosis alarm adjustment and resetting using push button on front panel Sensitivity Detects the failure of at least one heating element for three or four identical elements connected in parallel depending on the configuration Extension The DLF option includes Serious alarm monitoring GRF Over L...

Страница 13: ...mode and Single cycle firing or Phase angle without Current limit Fuse characteristics See section 7 1 2 11 Mounting Mounting Attachment plate fixed to unit on symmetrical EN50022 DIN rail or bulkhead mounting for ratings 63 A bulkhead mounting only 1 2 12 Environment Use 0 to 45 C at nominal current max altitude 1000 m Storage 10 C to 70 C Isolation voltage Assigned isolation voltage Vi 500 V Pol...

Страница 14: ...andard RS485 2 wires Speed 9600 to 19200 bauds Selection by the front panel microswitch SW8 Terminaison The communication bus must have termination resistors fitted at each end One line impedance matching resistor two RS485 bus polarisation resistors Address Selection by switches on front panel only between 1 to 127 Physical address 32 is configured by default Diagnostics Green LED an front panel ...

Страница 15: ...V External 230 V supply 230V 9 Manual language Code French FRA English ENG German GER 4 Fan power supply Code 100 A No fan XXXX 125 A 115 V fan and 115 V 115V 230 V fan and 230 V 230V 10 Selected options Code Base version No options Standard V2 control End of code NONE Version with options Selection of options YES Basic selection 7 Firing mode Code Phase angle PA Burst mode base time 16 cycles C16...

Страница 16: ...h alarm option Contact closed on alarm NC Contact open on alarm NO Without alarm option XX 12 Delay on first firing Code Burst firing C16 or C64 Transformer primary XFMR Other configurations XXXX 13 Load Monitoring Code Serious Alarms Thyristor short circuit Total Load failure over temperature for ratings 125 A GRF Partial load failure and Serious alarms DLF No alarms NONE 17 Communication Code Di...

Страница 17: ...Identification 7300A User Manual 1 12 ...

Страница 18: ...ction details 2 7 2 4 3 Three phase load configuration diagram 2 7 2 5 Control connections 2 9 2 5 1 Control terminal blocks 2 9 2 5 2 Control signal 2 10 2 5 3 Connecting the reference neutral voltage 2 10 2 5 4 External power supply terminal block 2 11 2 5 5 Alarm relay contact 2 12 2 5 6 Acknowledgement signal 2 13 2 6 Communication bus connection 2 14 2 6 1 Polarity 2 14 2 6 2 Wires screening ...

Страница 19: ...etween adjacent units Important Nominal currents correspond to use at ambient temperatures of no more than 45 C Overheating may cause incorrect operation and may even lead to components being damaged Danger It 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 t...

Страница 20: ...ted attachment plates on the rear of the 7300A thyristor units are used to 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 clipping to a DIN rail the mobile hooks are moved using a catch and spring 2 2 3 MOUNTING ON DIN RAILS For DIN rail mounting fix two symmetric DIN rails...

Страница 21: ...ad mounting 16 A to 40 A units 96 220 210 80 For 2 M4 screws For 2 M4 screws 305 275 124 144 For 2 M6 screws For 2 M6 screws 173 15 144 498 426 7 399 7 124 For 2 M6 screws For 2 M6 screws Figure 2 3 Bulkhead mounting 63 A to 100 A units Figure 2 4 Bulkhead mounting 125 A units ...

Страница 22: ...tors GRF DLF CHK ON HEAT SET A L R 7 1 1 a 7 2 1 b E X T 2 1 N 2 2 A N A 3 1 0 V A 3 2 R I 3 3 5 V A A F 1 6 2 3 0 1 7 1 8 0 V 7300A 40 A 500 V EN 60947 4 3 EUROTHERM PE 3 L2 4 T2 2 T1 1 L1 ε 5 L3 6 T3 To three phase Load Thyristor Fuses external 100 A Protective Earth To supply network Protection and cut out installed by user Auxiliary Power Supply Figure 2 5 General connection diagram units 100 ...

Страница 23: ...2 Internal fuse blown contact if selected Protection and cut out installed by user Internal power wiring diagram Controlles Channel Terminal supply side Protective Earth terminal Bornes des voies contrôlées côté charge 3 L2 2 T1 Internal fuse compartment Thyristor protection 1 L1 4 T2 5 T3 3 L2 4 T2 5 L3 6 T4 5 L3 L3 M S F 3a 3b 75 76 Figure 2 6 General Diagram for units 125 A ...

Страница 24: ...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 Table 2 2 Power connection details for ratings from 16 A to 160 A Conductor cross sections should comply with IEC 60943 Use at 75 C min copper wire only 2 4 3 Three phase load wiring schemes Power connections to the thyristor unit depend...

Страница 25: ...ective Earth Three Phase supply Thyristor Fuses Protection andcut out installedbyuser 3 Power Terminals supply side 3 Power Terminals load side Three phase load star with neutral Figure 2 10 Connecting a three phase load using open delta configuration 6D ON HEAT 31 0V A 32 RI 33 5V A 7300A 40 A 500 V EN 60947 4 3 EUROTHERM PE 3 L2 4 T2 2 T1 1 L1 ε 5 L3 6 T3 L1 L3 L2 AN A Thyristor Fuses Protective...

Страница 26: ...d VICL Option ADJ CAL 66 0VC 0 V calibration 1 5 16 0 5 VICL 67 HRC Calibration control Digital Comms AUX2 19 24V Auxiliary power supply 2 5 14 0 7 Option 20 0VS 29 GND COM 91 B Comme connector 2 5 14 0 5 92 A 2 5 CONTROL CONNECTIONS Terminal blocks on the underside of the 7300A power thyristor unit are used to connect the control signals analogue and logic the auxiliary or electronics supply and ...

Страница 27: ... RI A typical external signal connection is shown on figure 2 11a Manual Control Figure 2 11b shows how to use the internal 5 V voltage terminal 33 labelled 5VA for manual control with an external 10 kΩ potentiometer input code 0V5 only 2 5 3 Connecting the reference neutral voltage In 4S load configuration to enable the Diagnostic DLF and the power control VICL the neutral voltage of the three ph...

Страница 28: ...external power supply115 V or 230 V depending on the product code The same code A F is used terminal 16 for 230 V or 17 for 115 V depending on the product code It also possible to combine the power supply for electronics and the power supply for the fan 115 V or 230 V both the same Figure 2 13 Wiring example for the external auxiliary power supply for electronics and the fan code 230V ON HEAT 7300...

Страница 29: ...capacity 0 25 A maximum 250 Vac or 30 Vdc Important The type of contact closed or open on alarm determines the terminal numbers in accordance with standard EN 60947 4 3 as shown on figure 2 11 Alarm contact connector A L R 7 1 1 a 7 2 1 b A N A 3 1 0 V A 3 2 R I 3 3 5 V A HEAT alarm relay contact ON Contact Type Code Terminal number Closed on alarm NC 71 and 72 Open on alarm NO 73 and 74 Terminal ...

Страница 30: ...ting a contact between terminal 63 labelled 5VD 5 V user output and the ACK input see figure 2 15a by applying an external 5 V source between terminals 0VD and ACK see figure 2 15b Note The DLF alarm can also be reset with the CHK SET push button Alarm Acknowledgement connector A L R 7 1 1 a 7 2 1 b D IG IN 6 1 0 V D 6 2 A C K 6 3 5 V D A N A 3 1 0 V A 3 2 R I 3 3 5 V A HEAT a Acknoledgement by co...

Страница 31: ...85 bus polarisation resistors The intertface as standard with the following internal resistors 100 kΩ polarisation resistors a 100 kΩ resistor betweeen the A and B terminals Important To ensure correct operation we recommend installing a matchig resistor typical value 220 Ω on the last unit on the communication bus If the last unit on the bus is one of the 7000S series with digital communication t...

Страница 32: ...ch Rx Tx ON 1 2 3 4 5 6 7 8 A L R 1a 1b 73 74 Communication bus RS485 Shield Bus line A Ground Auxiliary supply Bus line B To the next interface Fuse 2A Supervisor Master On the last unit of the bus Digital communication block terminal Auxiliary supply Protective earth 2 6 5 Digital communication wiring Figure 2 17 Digital communication wiring example ...

Страница 33: ...Installation 7300A user Manual 2 16 ...

Страница 34: ...l and firing mode signalling 3 2 3 2 Burst mode codes C16 and C64 3 2 Firing delay XFMR option 3 3 3 3 Single cycle code FC1 3 4 3 4 Advanced single cycle code ASC 3 4 3 5 Phase angle code PA 3 5 3 6 Safety ramp 3 6 3 6 1 Ramp on start up 3 6 3 6 2 Magnetisation ramp XFMR option 3 6 ...

Страница 35: ...istor firing mode as shown in the table below Table 3 1 Firing modes and base LEDs on front panel ON HEAT HEAT During normal operation with zero crossing switching the HEAT LED flashes to match the thyristor firing periods In normal operation in Phase angle mode the HEAT LED varies in brightness depending on the firing angle with maximum brightness during full firing 3 2 BURST MODE codes C16 and C...

Страница 36: ...ion In Burst mode firing with pure resistive loads the thyristors are fired at zero voltage crossing to avoid sharp current rises For an inductive load e g transformer primary switching the thyristors at zero crossing generates transient over currents see figure 3 3a This transient could cause the high speed thyristor protection fuse to blow in certain cases To avoid the over current the first thy...

Страница 37: ...whole number of half cycles for non firing and Important Advanced single cycle firing mode is only available for 4S or 6D three phase load configuration For duty ratios η 50 the thyristor firing time is set to one cycle non firing occurs for half cycles For duty ratios η 50 the non firing time is set to half a cycle firing occurs for whole cycles By using half cycles for non firing time the modula...

Страница 38: ... load is controlled by firing the transistors over a part of each supply half cycle Control involves varying the thyristor opening angle α The thyristor firing angle θ varies with the setpoint signal The load voltage vl and current il depend on the three phase load configuration Figure 3 5 Voltage and current in one phase of a three phase load code 4S or 6D in Phase angle mode a resistive load b i...

Страница 39: ...or unit is powered up and after the firing is cut for more than 5 seconds The initial firing angle is approx 6 After the ramp the firing angle corresponds to the setpoint in Phase angle mode in Burst mode the thyristors fire fully once the ramp is complete t Current voltage Supply voltage Initial firing angle Figure 3 6 Start up ramp resistive loads t Load Voltage Supply Voltage Magnetisation grad...

Страница 40: ...l 4 2 4 1 1 Control parameters 4 2 4 1 2 Input Output ratio 4 2 4 2 Limitation adjustment options 4 3 4 2 1 Current recalibration options without power control 4 4 Settings 4 4 Settings with ICO option 4 4 4 2 3 Current and power limitation 4 5 4 3 Current and power specifications options 4 5 ...

Страница 41: ...load P Open Loop OL The parameters are defined and explained in the table below Control Definition Code V2 Compensation of supply voltage variations V2CL Compensation of supply voltage variations with current limit VICL Power control with current and power limits I2 Current squarred control Only available with Phase Angle Mode code PA OL Open loop no control The output is the image of the setpoint...

Страница 42: ...e I lim potentiometer to set the desired value of Imax new thyristor unit rating Current setting with ICO option In Burst mode with the ICO option the I lim potentiometer is used to set the over load alarm see page 5 8 Over load detection is signalled by flashing the red ICO LED To adjust the setting 1 Turn the I lim potentiometer fully round in the direction of the arrow Imax 100 of IN 2 Set the ...

Страница 43: ...tween terminals HRC 67 and 0VC 66 represents The image of the maximum current VI lim potentiometer fully turned in the direction of the arrow The image of the maximum recalibrated power 1 V corresponds to 100 PN The control signal is equal to 1 V if calibrations are nominal Imax IN and Pmax PN The minimum value of the signal is 0 1 V Imax 20 and VI lim set to 50 of VN Imax Setting 1 Turn the VI li...

Страница 44: ...t Setpoint Relinearisation Current limit using If I2 IMin 2 25 IN 2 automatic transfer to I2 Mean value of the 3 currents squared Firing Control Potentiometer Operation mode type Name Action of limit C16 V2CL VICL PA V2CL VICL I2 I lim Thyristor unit current recalibration set threshold Imax I lim Thyristor unit current recalibration set threshold Imax VI lim Power limitation set ratio between P an...

Страница 45: ...ared is less than 25 of the calibrated nominal current IN 2 then the control is achived at the mean value of the three currents squared Ii 2 25 IN 2 then I2 I12 I22 I32 3 i 1 2 3 2 In the case of an unbalanced load If the gap is more than 25 then the control is achieved at the squared value of the highest current value Ii 2 25 IN 2 then I2 Imax2 i 1 2 3 ...

Страница 46: ...tection sensitivity 5 5 5 4 Signalling of channel for load fault 5 5 5 5 Load type matching 5 5 5 6 Disabling alarms for load failure signalling 5 5 5 7 Functions of DLF alarm push button 5 6 5 7 1 Setting Request 5 6 5 7 2 Diagnostic 5 6 5 7 3 Disabling 5 6 5 8 Over Load Alarm 5 7 5 8 1 Availability 5 7 5 8 2 Alarm conditions 5 7 5 8 3 Alarm Actions Memorisation Acknowledgement 5 7 5 9 Standard a...

Страница 47: ... short circuit or Total Load Failure Partial Load Failure Red Red Orange Green Green OPTIONS ICO GRF DLF GRF DLF Total Load Failure Thyristor short circuit DIAGNOSIS A ICO 125 A ICO Over current Firing stopped HEAT Green or Neutral lost Firing stopped No alarm Firing Zero crossing or Phase angle LEDs Front panel Basic version and all options Table 5 1 Diagnosing operation and alarms according to f...

Страница 48: ... current threshold Standard Alarm supply fault neutral cut off and over heating for units 125 A 5 2 1 Conduction inhibited Th detection of the following default Over Load Overheating for current ratings 125 A only Supply voltage or Loss of neutral Frequency out of range Stops the thyristor conduction even if the control signal is present 5 2 2 Alarm priority Only one alarm is signalled if several ...

Страница 49: ...re DLF alarm adjustment and diagnostic push button Figure 5 1 Layout of front panel LEDs with GRF and or DLF option LED State Firing Temps de Fault T GRF DLF HEAT stopped réaction red red orange green typique Partial Load Failure OFF OFF Flashing PLF ON No 5 s to 13 s Total Load Failure OFF ON Flashing or TLF Flashing Thyristor Short Circuit OFF ON OFF THSC Over temperature T ON OFF OFF OFF Yes Ta...

Страница 50: ...voltage across load is greater than 40 of the nominal voltage 5 3 3 Partial Load Failure Detection Sensitivity Partial Load Failure Detection Sensitivity can be expressed in 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 1 ele...

Страница 51: ...d diagnoses the status of the PLF detection circuit CHK SET Push and hold until DLF LED flashes 4 5 s 0 t DLF DLF Setting performed Setting not performed Push button LED LED Figure 5 2a PLF detection setting request CHK SET DLF 3 s DLF 0 t Monitoring disabled DLF Monitoring enabled PLF fault Alarm on Alarm on Push button LED LED LED Alarm relay Alarm off Press and hold until DLF LED is lit Figure ...

Страница 52: ...se from 20 to 100 of the nominal current for the thyristor unit 5 8 3 Alarm Actions Memorisation Acknowledgement If an over current alarm is triggered thyristor firing stops at the end of the half cycle when the instantaneous current threshold is exceeded after approx 5 s of continuously exceeding the rms current threshold Over current alarm cut off is signalled as follows the position of the Alar...

Страница 53: ...al load configuration code 4S is used and the DLF or and power control code VICL options are selected 5 9 1 2 Alarm actions If an alarm is detected thyristor firing is cut off at the end of the half cycle for a supply fault after approx 5 s of integration for loss of reference neutral Alarms are signalled by the position of the Alarm relay contact changes the relay is only fitted if one of the ala...

Страница 54: ...6 1 5 Power Failure 6 2 6 2 Configuring the Physical address and speed 6 3 6 2 1 Physical address 6 3 6 2 2 Transmission speed 6 3 6 2 3 Addressing by message broadcasting 6 4 6 3 Diagnostic LEDs 6 4 6 4 Error Code 6 4 6 5 Digital Communication Parameters 6 5 6 5 1 General parameters 6 5 6 5 2 Description of parameters 6 5 6 5 3 Parameters Table for 7300A units 6 7 6 5 4 Parameters Description 6 8...

Страница 55: ...in GOULD MODICON Protocol Reference Guide PI MBUS 300 rev J 6 1 3 Transmission Transmission standard RS485 2 wires The transmission frame uses binary characters Format of each character 1 start bit 8 data bits 1 stop bit Transmission is asynchronous Two transmission speeds are available 9 6 or 19 2 kbaud The speed can only be selected by the microswitch SW8 on the interface 6 1 4 Parameters status...

Страница 56: ...mine the parameter required Important The physical address is configured by microswitches on the front panel of the unit and cannot be chosen or changed using digital communication Configuring the digital communication involves selecting the physical Interface address communication the communication bus The transmission speed 6 2 1 PHYSICAL INTERFACE ADDRESS The interface address on the communicat...

Страница 57: ...ceived and flashes as requests are sent by the master Important If the Rx LED is lit steadily the polarity of the communication signals may be inverted Orange Tx LED linked to data sent and flashes as responses are sent by the Slave Initialisation phase Waiting for Communication on power up frame Master established Flashes 5 times Flashes at Lit standily 400 ms on 0 5 Hz 400 ms off 1 s on 1 s off ...

Страница 58: ...t Power 34 R 0 255 0 100 PV Process Value 35 R 0 255 0 125 SP Working Setpoint 36 R 0 255 0 100 PW Power 37 R 0 255 0 125 VV Voltage Value 38 R 0 255 0 125 C1 Current value channel 1 39 R 0 255 0 125 C2 Current value channel 2 40 R 0 255 0 125 C3 Current value channel 3 41 R 0 255 0 125 CV Current Value 42 R 0 255 0 100 RI Remote Input 43 R 0 255 0 100 LL Local Limit 44 R 51 255 0 100 LS Limit Set...

Страница 59: ...LL parameter Authorised value between 0 and 255 stored in permanent memory Only writable for units with the U I option Optional Status word OS This parameter allows the modification of some of the product configuration bit at the same time and without using the Command Word CW and its codes Parameter stored in permanent memory Note If the configuration loaded using the Optional Status Word OS is n...

Страница 60: ...ved Neutral failure in 4S configuration 14 Reserved 15 Reserved eXtended Status Word XS Bit to bit alarm status Bit Number Configuration Status word for the SW parameter 0 à 3 Reserved Product configuration 4 Limitation mode 0 in Phase Angle 1 by conduction inhibition 5 000 PA 001 FC1 010 FC16 011 C64 6 100 SCA 101 reserved 7 110 HC16 111 reserved 8 000 U U 001 U U I I PA only 9 010 I I PA only 01...

Страница 61: ...ead value between 0 and 255 Voltage value VV Read value between 0 and 255 Current Value Channel 1 C1 Read value between 0 and 255 Current Value Channel 2 C2 Read value between 0 and 255 Current Value Channel 3 C3 Read value between 0 and 255 Current Value CV Mean value of the three currents CV C1 C2 C3 3 Read value between 0 and 255 Remote Input RI Read value between 0 and 255 Local Limit LL Value...

Страница 62: ...m activated fan cooled unit 7 State 1 Link failure with the communication option for S basic versions with DLF and A versions 8 State 1 Time out exceeded 9 à 15 Not used Manufacturer Identifier MI This parameter returns EUROTHERM Automation as an ASCII character string 32 consecutive bytes read starting at address 65280 Command Word CW This parameter is used to modify the operation of the digital ...

Страница 63: ...ollows The green ON Dxch front panel LED flashes at a frequency of 0 5 Hz instead of being steady on Bit 8 of the General Status Word is set to 1 and will be set to 0 when next read Setpoint after time out STO used to set the setpoint used if the time out is exceeded Authorised values are between 0 and 255 stored in permanent memory The value in the Setpoint after time out parameter is transferred...

Страница 64: ...matically switched to in C16 in order to avoid the 2 HC16 V2CL C16 or VICL C16 which is a C16 firng mode with current limitation by threshold thyristor conduction angle limitation 3 U2 I2 automatic transfer from a U2 control to a I2 control and reciprocally UxII2 automatic transfer from a UxI control to a I2 control and reciprocally 4 In order to be allowed the out of factory configuration must be...

Страница 65: ...Digital Communication 7300A User Manual 6 12 ...

Страница 66: ...7300A User Manual 7 1 Maintenance Chapter 7 7 MAINTENANCE Contents Page 7 3 Safety during maintenance 7 2 7 2 Maintenance 7 2 7 3 Thyristor protection fuses 7 3 ...

Страница 67: ...arts 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 7 2 MAINTENANCE Every six months check that the power and protective earth cables are correctly tightened see Wiring section page 2 6 If the load parameters change the operation of the PLF detection must be di...

Страница 68: ...1 Fuses without microswitch recommended for ratings 16 A to 100 A code FUSE Table 7 2 Fuses with microswitch recommended for ratings 16 A to 100 A code MSFU Important For all loads other than short wave infrared elements using a thyristor protection fuse other than the recommended fuse voids the product guarantee Rating A fuse Fuses and fuse holder assembly part number Part number Dimensions mm H ...

Страница 69: ...STRALIA Eurotherm Pty Ltd Tel 61 2 9838 0099 Fax 61 2 9838 9288 Web www eurotherm com au BELGIUM Eurotherm BeLux Tel 32 0 85 274080 Fax 32 0 85 274081 Web www eurotherm nl BRAZIL Eurotherm Ltda Tel 55 19 3237 3413 Fax 55 19 3234 7050 Web www eurothermltda com br DENMARK Eurotherm AS Tel 45 70 234670 Fax 45 70 546253 Web www eurothermltda se GERMANY Eurotherm Regler GmbH Tel 49 64 31 2980 Fax 49 64...

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