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REVEX

1PH 280A

User’s manual

11.3 Analog Input 2: Set Point, Feedback or Current Limit Set Point

What this input does is user-configurable. Connect an analog signal that indicates:

•  An alternate set point signal
•  Measured power, voltage or current from an external device used as feedback
•  Maximum current to the load (current limit).
This input accepts current, voltage and potentiometer signals. The signal is interpreted by comparing its
measured value to the input’s full scale. For example, the signal is 50% when the analog input detects 12mADC

and the input is configured to receive 4 to 20mADC.
Configure the power controller to recognize the signal and how the power controller uses it on the hardware

menu;

see “Analog In 2” on Paragraph

9.4.4 Hardware menu

.

For instructions for wiring see paragraph 8.7

Schematic

.

11.4 Alarms and Alarm Relay Output

When an alarm occurs and while the condition persists, the alarm relay is de-energized. The alarm relay is
energized when power is supplied to the controller’s electronics via the auxiliary power input and there are no
alarms.
Choose which conditions determine the alarm relay output with the Alarm Function setting on Paragraph

9.4.4

Hardware menu

.

NOTE! The alarm relay output indicates an alarm whenever the temperature of the heat sink
is too high even when Alarm Function on the hardware menu is set to None.

NOTE! The power controller monitors for heater break or short circuit conditions only when
included in the option selected for Alarm Function.

Alarm Function Options

Alarm Output Energizes for...

Heater

Break

Shorted

SCR

Current

Limit

Communication

Watchdog Error

Heat Sink Over

Temperature

None

X

Heater Break (HB)

X

X

SCR Short (SC)

X

X

I Limit (IL)

X

HB / SC

X

X

X

HB / IL

X

X

SC / IL

X

X

HB / SC / IL

X

X

X

Watchdog (WD)

X

X

WD / HB

X

X

X

WD / SC

X

X

X

WD / SC / HB

X

X

X

X

WD / IL

X

WD / IL / HB

X

X

X

X

WD / IL or SC

X

X

WD / IL or SC / HB

X

X

X

X

X

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Содержание REVEX 1Ph 280A

Страница 1: ...USER S MANUAL Rev 10 2021 008 M RX1 280 1PH 280A CD Automation S r l Via Picasso 34 36 20025 Legnano MI Italy Tel 39 0331 577479 Fax 39 0331 579479 E mail info cdautomation com Web www cdautomation com ...

Страница 2: ......

Страница 3: ...Standard EN60947 1 2007 A1 2011 A2 2014 EN60947 4 3 2014 Generic Emission standard EN60947 4 3 2014 Group 1 Class A emissions Generic Immunity standard EN60947 4 3 2014 Industrial Immunity SODDISFA I REQUISITI DELLA NORMA Specifica di sicurezza EN60947 1 2007 A1 2011 A2 2014 EN60947 4 3 2014 Specifica sulle emissioni EN60947 4 3 2014 gruppo 1 emissioni classe A Specifica sulle Immunità EN60947 4 3...

Страница 4: ...ol Switches and equivalent to CSA C22 2 14 For more detail search for File E231578 on www ul com ESD Sensitive product use proper grounding and handling techniques when installing or servicing product Do not throw in trash use proper recycling techniques or consult manufacturer for proper disposal A NOTE marks a short message to alert you to an important detail A CAUTION safety alert appears with ...

Страница 5: ...t and application AVERTISSEMENT L indice de protection du régulateur de puissance est de IP20 lorsque les couvercles sont installés et fermés L appareil doit être installé dans une enceinte qui assure toute la protection supplémentaire nécessaire pour l environnement et l application WARNING Ground the power controller via the provided protective earth grounding terminal Verify ground is within im...

Страница 6: ...The thyristor units here described have been designed for use with sinusoidal networks with nominal frequency 50 60 Hz Any application with NON SINUSOIDAL distorted or disturbed networks could compromise the correct operation of the unit ATTENTION Les unités de thyristors décrites ici ont été conçues pour être utilisées avec des réseaux sinusoïdaux d une fréquence nominale de 50 à 60 Hz Toute appl...

Страница 7: ...ion RMA Customers wishing to return any items whether they are incorrectly supplied faulty or damaged in transit must first complete a Return Material Authorisation RMA form to obtain an RMA number from the Service Department A full repair service is available for customers Prior to submitting the RMA form and returning products customers are recommended to contact the technical support team to de...

Страница 8: ...e 16 6 4 Fan Specification 16 6 5 Environmental installation conditions 16 6 6 Derating Curve 17 6 7 Calculating flow capacity of the fan 17 Installation 18 7 1 Dimensions and weight 19 7 2 Fixing holes 19 Wiring instructions 20 8 1 Removing the cover 20 8 2 Power cable torque suggested 20 8 3 Power cable dimensions suggested 20 8 4 Cable dimensions suggested of Earth and of the Command Terminals ...

Страница 9: ...ption 53 12 1 Heater Break Alarm 53 12 2 AUX High 54 12 3 AUX Low 54 12 4 ComError 54 12 5 AUX Line Loss 54 12 6 Line Loss 54 12 7 I Limit 54 12 8 SHRT 54 12 9 SCR Temp 54 Firing type 55 13 1 Zero Crossing 55 13 2 Single Cycle 55 13 3 Burst Firing 55 13 4 Soft Start with Burst Firing 56 13 5 Phase Angle 56 13 6 Soft Start with Phase Angle 56 13 7 Delay Triggering with Burst Firing 57 13 8 Half Cyc...

Страница 10: ...range Provides wide range of options from simple single phase to complex three phase loads to 600V 100kA short circuit current rating SCCR Not reviewed by UL Enables greater protection in the event of a short circuit c UL 508 Listed PRELIMINARY to be tested Shortens project schedules agency testing and expenses Control modes contactor voltage current or power Satisfies a wide range of demanding th...

Страница 11: ...follow the instructions on the screen Run the software configurator and set the correct serial port number by menu setting serial com port number 2 To connect the unit at the PC it s necessary to use the micro USB 2 0 Modbus RTU cable USB connection need a driver to work properly you can find it from our site However the configuration software installer will install as default the correct driver w...

Страница 12: ...ent of the load by a REVEX Display version Option code 0 5 6 7 9 A C F on Digit 12 using the frontal keypad Operator menu or Thyristor configurator software b REVEX NO Display version Option code 1 2 3 4 8 B D E on Digit 12 using Thyristor configurator software The Unit is ready to work The auxiliary voltage supply of the REVEX unit must be synchronized with load voltage power supply If the Auxili...

Страница 13: ...nal current of the load P Nominal power of the load Single phase wiring with inductive load V Nominal voltage phase to phase I Nominal current to the load P Nominal power to the load Open Delta wiring with resistive load V Nominal voltage of the load I Nominal current of the load P Nominal power of the load 4 I P V I P 3V I P Vcosφ V V V ...

Страница 14: ...a fault please contact the dealer from which you purchased the product The identification label give all the information regarding the factory settings of the Thyristor unit this label is on the unit like represented in figure Verify that the product is the same thing as ordered 5 with display Option code 0 5 6 7 9 A C F on digit 12 without display Option code 1 2 3 4 8 B D E on digit 12 ...

Страница 15: ...S Half Cycle No Soft Start H Linear Soft Starter L Soft Start for short Infr Lamp I Burst Firing No Soft Start B Linear Soft Starter J Phase Angle No Soft Start P Linear Soft Starter E Delayed Triggering No Soft Start D Linear Soft Starter T Zero Crossing No Soft Start Z Linear Soft Starter R CONTROL MODE 11 description code Open Loop 0 Voltage U Voltage Square Q Current I Current Square A Power V...

Страница 16: ...tage Uimp Latching current Max peak one cycle Leakage current FUSE I2T value Suggested A2s at500V Frequency range Power loss Thyristor Fuse Isolation Voltage Ui A V 480V 600V mAeff 10 msec A mAeff tp 10msec Hz I Inom W Vac 280 24 600 1200 1600 300 5000 15 125000 47 70 350 2500 6 4 Fan Specification Supply 24Vdc Power 7W 1 Fan 6 5 Environmental installation conditions Ambient temperature 0 40 C 32 ...

Страница 17: ... Altitude thyristor fuse power loss 0 100 meters f 3 1 m3k Wh ta ambient temperature C 100 250 meters f 3 2 m3k Wh tc cabinet temperature C 250 500 meters f 3 3 m3k Wh V fan air mass flow m3 h 500 750 meters f 3 4 m3k Wh f altitude coefficient see table on right The formulas used are for information only and is not a substitute for a proper thermal rating done by a qualified person 6 6 Derating Cu...

Страница 18: ...ances inverticaland in horizontal as represented this area must be free from obstacle wire copper bar plastic channel When more unit has mounted inside the cabinet maintain the air circulation like represented in figure without obstacle for the air flow Is necessary to install a fan to have better air circulation as calculated previously 7 30 cm 20 cm 2 cm AIR FLOW IN V AIR FLOW OUT V FAN in aspir...

Страница 19: ...REVEX 1PH 280A User s manual 19 Size S10 W mm 120 D mm 230 H mm 350 Weight kg 6 50 REVEX 1PH S10 7 2 Fixing holes 7 1 Dimensions and weight W D H 6 5mm 13mm 97 mm 97 mm 335 mm 6 5mm ...

Страница 20: ... regulations regarding electrical installation should be rigidly observed Use 75 C copper CU conductor only wire ranges AWG wire terminal type ZMVV terminal tightening torque in the table below 8 1 Removing the cover 8 8 2 Power cable torque suggested Current Connector type Torque Lb in N m Wire Range AWG kcmil Wire Terminal 280A S10 Terminal Block M8 265 30 0 1 3 0 Copper wire Compact Solid Stran...

Страница 21: ...cription 1 Voltage supply for synchronization L2 N 2 Not used 3 Not used 4 Not used 5 24Vdc Auxiliary supply and Fan supply 6 24Vdc Auxiliary supply and Fan supply 7 Not used 8 COM I Common Digital Input 9 Input command signal 0 10V 4 20mA POT 10 Input command signal 0 10V 4 20mA POT Terminal Description 11 0V GND 12 Output 10Vdc stabilized 1 mA MAX 13 RS485 B 14 RS485 A 15 DI1 Configurable Input ...

Страница 22: ...able contact to start with the regulation 3 4 M1 M1 L1 1 6 5 SYNC L2 N L1 T1 12 11 8 16 15 13 14 9 10 10 18 17 20 19 HB relay alarm NC NO C 11 12 11 12 B A AUX MICRO USB 2 0 Analog Inp 2 Reference Ext FeedBack Ext Current Limit Analog Inp 1 Analog SetPoint 24Vdc Fan Supply AUX Supply Branch Circuit Protection Fuse 1A Max Analog Input 1 Analog Input 2 Indicative connection diagrams Refer to local r...

Страница 23: ...R Input 4 30Vdc 5mA Max ON 4Vdc OFF 1Vdc 3HZ Max on time min 100 ms 8 7 1 SSR Control Input schematic For SSR input use follow the schematic below and configure Digital Input 1 as Fast Enable 12 11 8 15 16 9 10 Analog Input 1 SSR INPUT ...

Страница 24: ...ms Output Power Average On the home page the keys are used as follows Press to Function Scroll through the parameters on the home page Local Remote Switch between local and remote set point for power demand Up Increment power demand set point when set to local Down Decrement power demand set point when set to local Press and hold for about two seconds to access the menus To view the status paramet...

Страница 25: ...d values and basic settings including current voltage and set point Setup 2 Configure the power controller for the load Adv Setup 10 Configure the operation and performance of the power controller in the application Hardware 5 Configure the functions of the analog and digital inputs and outputs and the re transmission parameters Comm 3 Configure field bus communicating parameters Monitoring 0 View...

Страница 26: ... feature only single phase if available SHRT Short Circuit on SCR SCR Temp Thermal Switch over temperature If you have the version without display all the functions shown on the display can be viewed via the configurator 1 Local Remote Flashing Power output set locally or via communications Off Power output set remotely via analog input 2 Enable On Output enabled Off Output disabled 3 Communicatio...

Страница 27: ...rameter Operator Setup Advanced Setup Hardware Communication Monitoring Set Point Out Scale Firing Type Analog in 1 Port 1 Baud Dig in 1 Volts Out I Limit SP Min Cycle Analog in 2 Port 1 Addr Dig in 2 Current Nom Line V Soft Start An2 Funct Watchdog Enable Power Nominal I Start Ramp DI1 Functn WD Reset SP Source Volts In Soft Start Delay DI2 Functn Analog In1 Frequency SP Select Cycle Time Alm Out...

Страница 28: ...e average RMS voltage input 0 to 65535 V 47 Read Only Frequency Indicates frequency of the power input 0 to 655 35 Hz 9 Read Only Pwr Factor Indicates power factor of the output power 0 to 1000 102 Read Only Load Ω Indicates the resistance of the load 0 to 655 35 Ω 46 Read Only I Limit SP Indicates the maximum percent of the nominal current that the power control allows This parameter indicates RM...

Страница 29: ...nit Modbus Address Par Type I Limit SP Set the maximum percent of the nominal current that the power control allows This parameter indicates RMS current by default When parameter 52 is set to 1 this parameter indicates peak current 100 0 to 100 0 17 Read Write Nom Line V Set the nominal value for the line voltage input 220V 0 to 1023 V 37 Read Write Nominal I Set the nominal load current Maximum c...

Страница 30: ...bus Address Par Type Min Cycles Set the minimum number of On cycles and off cycles for burst firing 8 0 to 999 9 n 20 Read Write Soft Start Set the duration of the soft start in increment of 100mSec The power controller ramps set to point changes over the time set here For more information see Firing type page Soft Start with Burst Firing and Soft Start with Phase Angle 100 10 sec 0 to 255 0 to 25...

Страница 31: ...given deviation 10 0 to 255 26 Read Write Ti Power Set how aggressively the integral part of the control algorithm acts A larger settings yields a larger adjustment for a given deviation over a given time 50 0 to 255 27 Read Write Pb Current Set the gain for the current loop A largervalue yields a larger adjustment for a given deviation 10 0 to 255 63 Read Write Ti Current Set how aggressively the...

Страница 32: ...lay between when the resistance drops below the value set for a heater break sensitivity and when the heater break alarm is indicated This set increments of 50mSec 50 2 5 sec 0 to 255 0 to 12 75 sec 28 Read Write Htr Bake Enable or disable the heater bakeout feature 0 140 Read Write Option Value Off 0 On 1 DEFAULT Off 0 ...

Страница 33: ...00Ω 1 4 20mA 4 to 20 mAdc 2 0 20mA 0 to 20 mAdc 3 DEFAULT 0 10V 1 Parameter Name Description Default Modbus Address Par Type Analog In 2 Choose the type of signal to be measured by analog input 2 1 105 Read Write Option Description Value 0 10V 0 to 10 Vdc or 10 000Ω 1 4 20mA 4 to 20 mAdc 2 0 20mA 0 to 20 mAdc 3 DEFAULT 0 10V 1 Parameter Name Description Default Modbus Address Par Type An2 Funct Ch...

Страница 34: ...t 7 FastEn Fast Enable 8 DEFAULT Voltage Feed back 2 SSR Input 4 30Vdc 5mA Max ON 4Vdc OFF 1Vdc 3HZ Max on time min 100 ms Parameter Name Description Default Modbus Address Par Type DI2 Functn Choose how the signal detected by digital input 2 is used 0 33 Read Write Option Description Value Enable Enable power output 0 V Feedback Use voltage feed back when on 2 Local Rmt Local when on Remote when ...

Страница 35: ...operating condition and de energized when the power controller is off or when there is an alarm Note The power controller monitors for heater break or short circuit condition only when included in the option selected for Alarm Output Function 1 34 Read Write Option Description Bit Heater Break Heater Break 0 Short Circuit Short circuit 1 Current Limit Current Limit 2 Therm SCR is over temperature ...

Страница 36: ...Option Description Value Local Comms Set point set via keypad or communication 16 Analog In 2 Set point set via analog input 0 DEFAULT Local Comms 16 Parameter Name Description Default Modbus Address Par Type Start Disp Choose which parameter is displayed on the home page at power up 1 60 Read Write Option Value Current 0 Volts Out 1 Power 2 DEFAULT Voltage 1 ...

Страница 37: ...600 0 19 2K 1 38 4K 2 115 2K 3 DEFAULT 38 4K 2 Parameter Name Description Default Range Modbus Address Par Type Port 1 Addr Set the address for the primary serial port 1 0 to 255 31 Read Write Watchdog Enable or disable the watchdog on the primary serial port 0 142 Read Write Option Value Off 0 On 1 DEFAULT Off 0 Parameter Name Description Default Range Unit Modbus Address Par Type WD Reset Set th...

Страница 38: ...ff 0 On 1 Parameter Name Description Modbus Address Par Type Dig In 2 Indicate the state of the signal to digital input 2 13 bit9 Read Only Option Value Off 0 On 1 Parameter Name Description Modbus Address Par Type Enable Indicate whether or not the power controller is enabled The enable signal must be on for the unit to output power to the load 14 bit2 Read Only Option Value Off 0 On 1 Parameter ...

Страница 39: ...ase 7 RC 2 Two Leg three phase 8 RC 3 Three Leg three phase 9 RC 3P Three Leg three phase with phase angle capability 9999 Parameter Name Description Range Unit Modbus Address Par Type Max Voltage Indicates the maximum voltage rating of the power controller 0 to 1023 V 41 Read Only Max Current Indicates the maximum current capacity of the power controller 0 to 9999 A 62 Read Only Aux Voltage Indic...

Страница 40: ...pplying power NOTE the power of the USB port is limited and not designed to power industrial cards so it manages to feed only the essential parts of the electronics For complete control you need to power up the auxiliaries of the power controller 10 3 Recipes A recipe is a file that store the settings of power controller s internal parameter It is used to save a power controller configuration or t...

Страница 41: ... 3 phase power controller 4 Choose Serial Port From Setting Serial Port menu 5 In value Port select the COM port connected to the power controller see the note below 6 To verify communications click Test 7 Click OK NOTE to determine which port is connected to the power controller you can in the Windows Device Manager under Ports COM LPT looking for the COM port named LPC USB VCOM Port COMx where x...

Страница 42: ...k Save button NOTE In the simple view the change are not live so to take effect the change in simple section is necessary to download it following download procedure 10 5 2 To edit a setting in a recipe 1 Click Simple if not already on the simple view 2 Click Open existing recipe 3 Locate and select the recipe file and click Open 4 Click OK 5 Click the menu with the setting you want to change SETU...

Страница 43: ... 1 Click Test if not already on the test view 2 Click Online 10 5 5 To log in on the test view to change the digital input and analog input functions 1 Click the Access Level value zero when logged out 2 Type the password 1111 3 Click OK 10 5 6 To log out the test view 1 Click the Access Level value 2 Click Log out 3 Click OK 10 5 7 To view data on the scope 1 Click Test if not already on the test...

Страница 44: ...hree phase power controller MSG opens a serial communication message view Status Bar Indicates information such as time and date communications port and baud rate 10 6 2 Simple Section This section is used to create save upload and download recipes of parameters settings Can be used also to see the settings in a controller Simple page is the default page when select the model using the Model Butto...

Страница 45: ... to the power controller using the Download to unit option 10 6 3 Test Section This section is used to monitor and adjust the operation of the power controller in real time using RS485 or USB communication port After select the model is possible access to this section clicking the TEST tab below the main menu Operating on TEST Section Online button is the button to start or stop communication upda...

Страница 46: ...ter break alarm active TH indicator light on when the heat sink over temperature alarm is active I Lim indicator light on when the load current exceeds the current limit setting Unit Size indicate the maximum rated current of the power controller Max Volt indicate the maximum rated voltage for the power controller V Aux indicate the voltage the auxiliary input is set to use for powering the electr...

Страница 47: ...wer Request show the set point signal from analog input 1 The value is a percent of full scale or can be set with the reference slider Soft Start Time show the time over which set point changes are ramped Output Scaling show the scaling applied to the set point signal before it is used by the control loop Voltage indicator show the RMS load voltage Power indicator show the RMS load power Current i...

Страница 48: ... Stop Play click toggle the live view or Hystorical view of graphic signal Scroll right click move the chart right to view older data The Actions to Clear to clear the data from the graph Save to save a JPEG image of the Load Analyzer window with the current trends Export to open a window that includes the trend graph and table with the currently displayed data that can be saved as a JPEG or expor...

Страница 49: ...on the right of the graph that shows the data points for the current sample Auto Scale select this option so that the Configurator automatically adjusts the X and Y axis settings Y Axis Max show or set the high end of the vertical axis Min show or set the low end of the vertical axis Marks set this option to display data markers along the trend in the graph area X Axis future use Max show actually...

Страница 50: ...er settable options for the Configurator software Language Available Languages choose the language used in the software NOTE to activate the language change you need to close and open again the Configurator software Serial Port Set the serial port parameter Test click to test for communication with a power controller via the selected port Port select the computer s COM port to use to communicate w...

Страница 51: ...is used as the source of the set point when the remote set point is in effect When this signal is off analog input 1 is the source of the remote set point When the signal is on analog input 2 is the source of the remote set point Logging this signal turns data logging on or off When the signal is on data is logged When the signal is off data is not logged When this signal is on it supersedes the s...

Страница 52: ...elay Output When an alarm occurs and while the condition persists the alarm relay is de energized The alarm relay is energized when power is supplied to the controller s electronics via the auxiliary power input and there are no alarms Choose which conditions determine the alarm relay output with the Alarm Function setting on Paragraph 9 4 4 Hardware menu NOTE The alarm relay output indicates an a...

Страница 53: ...meters on pages 32 Alarm description 12 1 Heater Break Alarm This option allows you to diagnose any load breakage The diagnostics is based on the comparison of the value of the nominal resistance of the load with respect to the resistance measured in real time The nominal resistance is calculated using the Operative Load Voltage Nom Line V and Nominal Current of the load Nominal I parameters Nomin...

Страница 54: ...ivated when there is no data passage within the time established by the WD reset parameter 12 5 AUX Line Loss This alarm is activated when there is no auxiliary voltage 12 6 Line Loss This alarm is activated when L1 and L2 are not detected 12 7 I Limit This alarm is activatedwhen the operating current exceeds the current limitvalue set in the I Limit SPparameter 12 8 SHRT This alarm is activated i...

Страница 55: ...al With input signal at 25 the output is one cycle ON and three cycles OFF With input signal at 50 the output is one cycle ON and one cycle OFF With input signal at 75 the output is three cycles ON and one cycle OFF With input signal at 76 the output is the same of 75 but for each ON cycle the microprocessor divides 76 75 and when the sum of rests is one the unit does one more cycle ON For this fi...

Страница 56: ...nction of the input signal from 0 at 100 The PA firing is normally used for control the inductive loads and is also possible control a primary of transformer coupled with the cold resistances like Superkanthal Molybdenum Platinum Tungsten or Quartz Lamp The only disadvantage with phase angle is the possible generation of interferences that however can be reduced with opportune filters 13 6 Soft St...

Страница 57: ...the zero For understand the Delay Triggering firing we have represented the waves generate by vectors that rotates in counterclockwise Without delay at zero crossing when V1 is to zero projected on the X axis the unit switch On In this case the instantaneous value of the currents are i1 i2 and i3 and this condition for the curve of magnetization could generate transient over currents that can blow...

Страница 58: ...t and ramp time parameters for the heater bakeout function The heater bakeout function does not ramp the output above the normal process set point Once the function has run for the user set time the bakeout function terminates and the power controller attempts to perform control to set point normally Use Heater Bakeout Ramp Time to set the duration of the bakeout in minutes Use Heater Bakeout Curr...

Страница 59: ...mand This control mode compensates the voltage fluctuation of the incoming line supply I Current feed back The input signal is proportional to the current output This means that input signal becomes a current demand This control mode maintain the current also if the load impedance changes P VxI Power feed back The input signal is proportional to the power output This means that input signal become...

Страница 60: ...ization signal between terminals 1 and 3 The voltage used on Terminal 1 and 3 must be the same of load voltage L1 L2 N Warning Before connecting or disconnecting the unit check that power and control cables are isolated from voltage sources Terminal M1 Description 1 Voltage for synchronization signal 2 Not used 3 Not used 4 Not used 5 24Vdc Auxiliary supply and Fan supply 6 24Vdc Auxiliary supply ...

Страница 61: ... 00 is used for different configurations 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ORDER CODE T U R S 4 8 5 _ _ _ _ _ _ _ _ _ Addendum Manual available here https www cdautomation com download cd automation revex comm manuals ENG REVEX_14RX_profinet pdf Field Bus or Communication 8 9 10 description code note N 1 Modbus TCP N 1 Modbus RTU slave T C P N 1 ProfiNet IO N 1 Modbus RTU slave P N T N 1 Prof...

Страница 62: ...al Fuse The thyristor unit have internal fuse extrarapid at low I T for the thyristor protection of against the short circuits The Fuses must have I T 20 less than thyristor s I T The warranty of thyristor is null if no proper fuses are used Size 200 kARMS Symmetrical A I C Quantity for each phase Fuse CODE Total Current ARMS Vac FUSE I2 T value Suggested A2s at660V 280A S10 FU2055920 200 400 690 ...

Страница 63: ...CD Automation S r l Via Picasso 34 36 20025 Legnano MI Italy Tel 39 0331 577479 Fax 39 0331 579479 E mail info cdautomation com Web www cdautomation com ...

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