CD Automation Revo C 3PH User Manual Download Page 18

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REVO C

3PH from 30A to 40A

User’s manual

Technical Specifications

6.1 General features

Cover and Socket material:

PolymericV2

Mounting:

DIN bar (thickness type 1mm Max)

Utilization Category

AC-51 AC-55b

IP Code

Method of Connecting

Load in Delta, Load in Star

Auxiliary voltage, power supply Control Circuit:

TR1 range 1 = 90:135V (8 VA Max)

TR1 range 2 = 180:265V (8 VA Max)

TR2 range 1 = 180:265V (8 VA Max)

TR2 range 2 = 342:528V (8 VA Max)

TR3 range 1 = 238:330V (8 VA Max)

TR3 range 2 = 540:759V (8 VA Max)

Relay output for Heater Break Alarm

0.5A a 125VAC

(only with HB option):

6.2 Input features

Digital Input:

4 ÷ 30Vdc 5mA Max (ON ≥ 4Vdc OFF < 1Vdc) 5Hz max

Volt Analogic input:

0 ÷ 10Vdc impedance 15 K ohm

Current Analogic input:

0 ÷ 20mA impedance 100 ohm

4 ÷ 20mA impedance 100 ohm

POT:

10 K ohm min.

Logic input SSR (Fast Enable):

4 ÷ 30Vdc 5mA Max (ON >

4Vdc OFF <1Vdc)

3HZ Max duty cycle min. 100 ms

6.3 Output features (power device)

Nominal current in continuous service:

See order code

Max peak current (10ms)

360A for unit type 030

540A for unit type 035

700A for unit type 040

Nominal Voltage range

: 24÷600V

Repetitive peak reverse voltage

Uimp

1200V (480V) 1600V (600V)

Latching current:

250mA

Leakage current:

15mA eff

FUSE I²T value suggested at 500Vac tp=10msec: 525 A²s for unit type 030

1260 A²s for unit type 035

1260 A²s for unit type 040

Frequency range:

47÷70Hz

Power loss (I=Inom):

114W for unit type 030

135W for unit type 035

150W for unit type 040

Isolation Voltage

: 2500Vac

Summary of Contents for Revo C 3PH

Page 1: ... MANUAL Rev 04 2019 3PH from 30A to 40A 006 M RC3 30 40 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 ...

Page 2: ......

Page 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 ...

Page 4: ... Control 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...

Page 5: ...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 impedance specifications This should be verified periodically AVERTISSEMENT Mise a la terre du régulateur de puissance par le biais de la borne de prise de terre de protectio...

Page 6: ...nal 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 application utilisant des réseaux NON SINUSOÏDAUX déformés ou perturbés peut compromettre le bon fon...

Page 7: ...orization 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...

Page 8: ... 5 2 Order Code 16 Technical Specifications 18 6 1 General features 18 6 2 Input features 18 6 3 Output features power device 18 6 4 Environmental installation conditions 18 6 5 Derating Curve 19 6 6 Calculating flow capacity of the fan 19 6 7 Wi Fi Transmitter Module 20 Installation 21 7 1 Dimensions and weight 22 7 2 Fixing holes 22 Wiring instructions 23 8 1 Access to L1 L2 L3 and T1 T2 T3 term...

Page 9: ...tor 46 10 6 Software General information 49 Configurable Inputs and Outputs 56 11 1 Digital Inputs 56 11 2 Analog Input 1 Set Point 56 11 3 Analog Input 2 Set Point or Feedback 57 11 4 Alarms and Alarm Relay Output 57 Firing type 58 12 1 Zero Crossing 58 12 2 Burst Firing 58 Control Mode feed back 59 Electronic boards 60 14 1 How to access 60 14 2 Supply the Electronic Board 61 RS485 Serial port 6...

Page 10: ...t signal will be on and the thyristor will switch off at first Zero Crossing voltage with no input signal The benefits of thyristor units compared with electromechanical contactors are numerouses no moving parts no maintenance and capacity to switch very fast Thyristors are the only solution to control transformers and special loads that change resistance with temperature and with age L1 L2 Thyris...

Page 11: ...ostics Comprehensive power controller range Provides wide range of options from simple single phase to complex three phase loads to 690V 100KA short circuit current rating SCCR Not reviewed by UL Enables greater protection in the event of a short circuit c UL 508 Listed Shortens project schedules agency testing and expenses Control modes contactor voltage current or power Satisfies a wide range of...

Page 12: ...yway we suggest to check the unit on the machine with the Test unit section For install the software launch the program and 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 Micro USB 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...

Page 13: ...oad 4 Supply the Unit 5 Go in the Operator menu Set the parameters Operative Load Voltage and Nominal Current of the load using the frontal keypad or Thyristor configurator software The Unit is ready to work The auxiliary voltage supply of the REVO C unit must be synchronized with load voltage power supply If the Auxiliary Voltage written on the identification label is different from Supply Voltag...

Page 14: ...on the three phases with REVO C 3PH V Nominal voltage of the load I Nominal current of the load P Nominal power of the load Delta wiring with resistive load control on the three phases with REVO C 3PH V Nominal voltage of the load I Nominal current of the load P Nominal power of the load I P 1 73V I P 1 73V 4 V V ...

Page 15: ... that the Thyristor unit have not damages If the product has 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 ...

Page 16: ...Option code see code page table FAN VOLTAGE 13 description code No Fan 90A 0 Fan 110V 90A 1 Fan 220V 90A Std Version 2 Fan 24Vdc 90A Std Version 3 APPROVALS 14 description code CE EMC For European Market 0 CUL us CE EMC For American European Market L LOAD TYPE 15 description code Normal Resistive with 3 Phase Star Connection with neutral 0 Normal Resistive Load with 3 Phase Delta Connection 1 IRSW...

Page 17: ... to read current voltage power and energy totalization as well as the ability to change parameters to improve process and product quality without opening the cabinet door APP Free of charge download it from Google Play or Apple Store DATA LOGGER This feature is important to see the historical data of parameter like Current Voltage and Power and can be useful to diagnose a fault ENERGY TOTALIZER Th...

Page 18: ...dc 5Hz max Volt Analogic input 0 10Vdc impedance 15 K ohm Current Analogic input 0 20mA impedance 100 ohm 4 20mA impedance 100 ohm POT 10 K ohm min Logic input SSR Fast Enable 4 30Vdc 5mA Max ON 4Vdc OFF 1Vdc 3HZ Max duty cycle min 100 ms 6 3 Output features power device Nominal current in continuous service See order code Max peak current 10ms 360A for unit type 030 540A for unit type 035 700A fo...

Page 19: ...n conduction produces power loss that is dissipated inside cubicle in terms of heating Due to this fact the internal temperature of cubicle is higher than ambient temperature To be cooled the thyristor need of fresh air cooling and to do it is normally used a fan mounted on the front door or on the roof of the cabinet Procedure to size Fan air mass flow V see power loss for each thyristor and fuse...

Page 20: ...not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Caution no changes or modifications allowed on the equipment not expressly approved by the party responsible for compliance It could void the user s authority to operate the equipment The FCC number is located on the right side of the unit see sample belo...

Page 21: ...istances 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 as...

Page 22: ...VO C 3PH from 30A to 40A User s manual W D H Size SR11 3PH W mm 144 H mm 121 D mm 185 Weight Kg 2 4 REVO C 3PH Size SR11 7 2 Fixing holes 58 7 62 5 5 24 5 5 25 11 5 11 5 11 5 109 7 7 1 Dimensions and weight ...

Page 23: ...C copper CU conductor only wire ranges AWG wire terminal type ZMVV terminal tightening torque in the table below Power cable torque suggested Type Connector Type Torque Lb in N m Wire Range mm AWG MAX Current Terminals Wire Terminals UL Listed ZMVV 030 035 040 Screw M5 26 6 3 0 1 5 10 16 8 40A Rigid Flexible Spade Terminal Cable dimensions of the Command Terminals 0 5 mm AWG 18 Temperature rating ...

Page 24: ...m 30A to 40A User s manual 8 1 Access to L1 L2 L3 and T1 T2 T3 terminal Screw 1 Open fuse holder by pulling the frontal cover 2 Fix the wire on Ln 4 Close the cover by pressing Repeat for each Phase 3 Fix the wire on Tn ...

Page 25: ...tory connection 14 C Common contact alarm relay output 15 NO Normally Open contact alarm relay output Thermal or SC HB CL 16 NC Normally Close contact alarm relay output Thermal or SC HB CL 8 2 3 Terminal block M3 Terminal Description A RS485 A B RS485 B 8 2 4 Terminal block M4 Terminal Description L1 Aux Voltage Supply for electronic boards and synchronization See order code for the Value Not Con...

Page 26: ...oltage power supply If the Auxiliary Voltage written on the identification label is different from Supply Voltage to the load use an external transformer as designated 3 For SSR input connection follow next page schematic 4 IMPORTANT Starting Strategy Enable 1 Feed the unit with L1 L2 L3 power voltage supply 2 Feed the auxiliary supply 3 Close the Enable contact to start with the regulation MICRO ...

Page 27: ...2W 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 A B Top View Down View 8 3 1 SSR Control Input schematic For SSR input use follow the schematic below and configure Digital Input 1 as Fast Enable Analog Input 1 SSR INPUT SSR Input 4 30Vdc 5mA Max ON 4Vdc OFF 1Vdc 3HZ Max on time min 100 ms ...

Page 28: ...ied persons T1 T2 T3 T1 T2 T3 T1 T2 T3 N T1 L1 L3 L2 T2 T3 Alarm Relay Dig Output TA Input Analog Input 1 M6 M1 M2 M3 AUX Voltage Supply 17 18 19 20 Analog Input 2 Retrans OUT 24V IN See order code for the value Load Type TO LOAD Delta Star Star Neutral Open Delta Branch Circuit Protection Fuse 5A Max Note Aux Voltage and Load Voltage must be synchronized ...

Page 29: ...e 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 parameters Press Function once to advance from one...

Page 30: ...enu Password Parameter used to Operator 0 View measured 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 Configur...

Page 31: ...ow Aux voltage too low Watchdog Communication Watchdog error Line Loss Line power not detected SD Card Error SD card error Short Circuit Short Circuit on SCR SCR Over Temp Thermal Switch over temperature Aux High SP 100 1 Local Remote Flashing Poweroutput set locallyorvia communications Off Power output set remotely via analog input 2 Enable On Output enabled Off Output disabled 3 Communications F...

Page 32: ...ge RMS voltage of all phases 0 to 1023 V 10 Read Only I Output Indicates the average RMS current of all phases 0 to 1023 V 11 Read Only Power Indicates the average RMS power output 0 to 100 12 Read Only V Input Indicates the 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 Power Factor Indicates power factor of the outp...

Page 33: ...ding the set point is 5V and output scaling is 80 then the effective set point is 40 0 to 100 0 16 Read Write 100 80 60 40 20 0 0 20 40 60 80 100 Input O utput Scaling 100 Output Scaling 80 Output Scaling 40 Scaled Set Point Parameter Name Description Default Range Unit Modbus Address Par Type Nominal V Set the nominal value for the line voltage input 220V 0 to 1023 V 37 Read Write Nominal I Set t...

Page 34: ...Burst firing 3 DEFAULT Burst Firing 3 Parameter Name Description Default Range Unit Modbus 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 Cycle time Set the duration of one on off cycle in increments of 50mSec Applies to zero crossing 60 3 sec 0 to 255 0 to 12 75 sec 24 Read Write Control Mode Feed back Choose the feed b...

Page 35: ...nsitivity Set the threshold of resistance that activates the Heater Break alarm This setting is in percentage of the nominal load resistance 100 0 to 100 0 29 Read Write Htr Break delay Set a delay 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...

Page 36: ...Vdc or 10 000Ω 1 4 20mA 4 to 20 mAdc 2 0 20mA 0 to 20 mAdc 3 DEFAULT 0 10V 10k Pot 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 10k Pot 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 10k Pot 1 Parameter Name Description Default M...

Page 37: ...logging 6 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 Digital In 2 Function Choose how the signal detected by digital input 2 is used 0 33 Read Write Option Description Value Enable Enable power output 0 Voltage Feed back Use voltage feed back when on 2 Local Remote...

Page 38: ... None SCR is over temperature only 0 Heater Break Heater Break or SCR is over temperature 1 Short Circuit Short circuit or SCR is over temperature 2 HB SC Heater Break or Short circuit 3 These option may be set via communication only Communication watchdog error 16 Communication watchdog error or Heater Break 17 Communication watchdog error or Short circuit 18 Communication watchdog error Heater B...

Page 39: ... Output xV where x is the Nominal Line Voltage 4mADC 0V 20mADC xV 0mADC 0V 20mADC xV 0VDC 0V 10VDC xV 999 9 I Output xA where x is the Nominal Line Current 4mADC 0A 20mADC xA 0mADC 0A 20mADC xA 0VDC 0A 10VDC xA 999 9 Power 100 4mADC 0 20mADC 100 0mADC 0 20mADC 100 0VDC 0 10VDC 100 100 Parameter Name Description Default Modbus Address Par Type Retransmit Type Choose type of signal for the retransmi...

Page 40: ... Read Write Option Value 9600 0 19200 1 38400 2 115200 3 DEFAULT 38400 2 Parameter Name Description Default Range Unit Modbus Address Par Type Port 1 Address Set the address for the primary serial port 1 0 to 255 31 Read Write Port 2 Baud Choose the baud rate for the primary serial port 2 45 Read Write Option Value 9600 0 19200 1 38400 2 115200 3 DEFAULT 38400 2 Parameter Name Description Default ...

Page 41: ... 75 76 77 78 Read Only Ethernet Gateway Indicate the gateway address of the the power controller with the Modbus TCP or Profinet option 0 to 255 79 80 81 82 Read Only Host Name Indicate the WiFi hotspot name also known as the Service Set IDentinfier SSID Two one byte character per register 16 Character total 0 to 65535 83 84 85 86 87 88 89 90 Read Only Port 2 Address Set the address for the second...

Page 42: ...lue Off 0 On 1 Parameter Name Description Modbus Address Par Type Digital 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 P...

Page 43: ...hase 7 2 Leg Two Leg three phase 8 3 Leg Three Leg three phase 9 3 Leg PA 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...

Page 44: ... before applying 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 internal parameter Is used to save a power controller configuration ...

Page 45: ...phase power controller 4 Choose Serial Port From the Setting Serial Port menu 5 In value Port select the connected COM port 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 ...

Page 46: ...e Click Save button NOTE In the simple view the change are not live so to take effect the change in simply section is necessary download it with 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 SETUP ...

Page 47: ...t view 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 th...

Page 48: ...Log Enabled 6 Click Set Time 7 If necessary Set the date and time and close the date time window 8 Set Log Time to the number of seconds between records 9 Click Connect 10 Click Config 11 Click Load Configuration to view the current list of logged parameters 12 For up to ten parameters to log Click to add a parameter to the list In a row in the list either Type a parameter s Modbus address in the ...

Page 49: ...cribed the Configurator Software and how use it 10 6 1 Program Window Main Menu Access these menus File menu Exit close the program Setting menu Language open language Settings dialog box Serial Port open Serial Port dialog box Option open General Option dialog box Help menu Message Log open a serial communication message view About displays the About dialog with the program name and version and c...

Page 50: ...he standard default settings Open existing recipe open an existing recipe file Upload from unit create a new recipe with the value uploaded from a connected power controller Close close the current recipe Save save the recipe in a file Save as save a copy of the recipe in a file Download to unit send the current recipe parameters in the connected power controller Print print the recipe see sample ...

Page 51: ...expand the options Status and Setup Indicators Digital input status light on when the input is a a closed circuit Enable indicator light on when the power controller is enabled Enable Disable button click on to enable the power controller if a digital input is not configured for this function ON indicator light on when there is demand for the output to be on SC indicator light on when there is a s...

Page 52: ...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 RMS load voltage Power indicator show RMS load power Current indicator show the RMS loa...

Page 53: ...ent data 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 ...

Page 54: ...er to the computer Delete File erases the selected file from the power controller Close closes the Data Log window and close the log mode on power controller 10 6 6 Data Log Configuration window Data log configuration window is used to view and set the parameter log table Close closes the window Load Configuration refresh and displays the list of parameters being logged Logged parameters list the ...

Page 55: ... user settable options for the Configurator software Language Available Languages choose the language used in the program NOTE to be active the language change need close and open again the configuration 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 with...

Page 56: ...d setup menu This option is available with single phase and 60A to 500A three phase models SP Analog In 1 2 this signal chooses which of the two analog inputs 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 thi...

Page 57: ...enu For instructions for wiring see paragraph 8 3 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 ...

Page 58: ...tput from temperature controllers and the Thyristor operates like a contactor The Cycle time is performed by temperature controller ZC minimizes interferences because the Thyristor unit switches ON OFF at zero voltage 12 2 Burst Firing The Burst Firing is similar to the Single Cycle but consecutive cycles ON are selectable between 1 and 255 with input signal equal at 50 When is specified 1 the fir...

Page 59: ...age demand 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 ...

Page 60: ...60 REVO C 3PH from 30A to 40A User s manual Electronic boards 14 1 How to access 14 ...

Page 61: ...y Voltage 2 Not Used 3 Voltage Supply for Electronic Boards Auxiliary Voltage To change auxiliary supply voltage sold the correct link jumper on REVO C board The type of mounted transformer depends of the chosen Voltage in the order code Transformer Type Link Jumper JP1 JP2 Link Jumper JP3 TR605 120V TR1 90 135V 180 25V TR 605 230V TR2 180 265V 342 528V TR 605 300V TR3 238 330V 540 759V If the Aux...

Page 62: ...tion option Other serial communication port are available as option see Communication Manual for details 15 16 Profibus Configuration Connectors Ethernet Configuration Connectors Second Serial 485 Configuration Connectors M5 Terminal Description A RS485 A B RS485 B 1 2 3 4 5 6 7 8 9 A B Down 1 2 3 4 5 6 7 8 9 A B A B M5 M2 M3 Down M4 M6 M1 Pr1 17 18 19 20 L1 L2 N 10 11 12 13 14 15 16 M4 M6 M1 Eth1...

Page 63: ...451 50A 50 1260 660 9 I2T are multiplied for K value in function of Vac at 500V K is equal to 0 7 750 X 0 7 525 1800 X 0 7 1260 At 660Vac K is equal to 1 17 1 4 1 2 1 0 0 9 0 8 0 7 0 6 0 5 0 4 0 3 200 300 400 500 600 700 VAC K 17 1 Fuses Replacement Open the Fuse Holder and pull out the fuses Caution High speed fuses are used only for the thyristor protection and can not be used to protect the ins...

Page 64: ...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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