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CD Automation srl 

MULTIDRIVE-1PH 850A 

User’s Manual 

53 

 

12.7

 

Digital Output 

The MULTIDRIVE thyristor unit has 4 digital output with relay contact (Max 500mA, 125Vac), an output 
control the main contactor and is a normally open (NO) fixed contact, and the others output gives 
indications of the alarms state, the contacts can be (NO or NC). 

 

12.7.1

 

Run Relay (Terminals 9 and 10 see par. 7.4) 

This digital output is used to control the main contactor, when the thyristor unit is in run the output is 
active and the contact is closed. 

 

12.7.2

 

Critical Alarm (Terminals 11 and 14 see par. 7.4) 

This digital output is active when a critical alarm occurs (see par. 9.2). 
The standard contact used for this output is normally open (NO), but is possible change the contact 
type: 

 

Caution:

 this procedure must be performed only by qualified persons

 

 

Type 

JP8 C/D 

NO (standard) 

A-B 

NC 

B-C 

 

 

JP8 C/D

C
B
A

 

 

 
 

Summary of Contents for MULTIDRIVE-1PH

Page 1: ...MULTIDRIVE 1PH Thyristor Unit USER S MANUAL Rev 09 2014 00003 850A CD Automation Tel 44 0 1323 811 100 Email info cdautomation co uk Web www cdautomation co uk multidrive 1ph ...

Page 2: ......

Page 3: ... 6 1 Environmental installation conditions 14 6 2 Dimensions 15 6 3 Fixing holes 15 7 Wiring instructions 16 7 1 Removing the cover 16 7 2 Wiring details 16 7 3 Power Terminals 17 7 4 Command Terminals 18 7 5 Diagram of control connection 19 8 Power output features 20 8 1 Derating curve 20 8 2 Cooling fans 20 9 Led status and Alarms 21 9 1 LED Status Table 21 9 2 Critical Alarms 22 9 3 Not Critica...

Page 4: ...12 Connection description 46 12 1 Access to the Electronic boards 46 12 2 Supply the Electronic Board PWI30 47 12 3 External Feed Back 47 12 4 Analog Inputs 48 12 5 Analog Outputs 50 12 6 Digital Input 52 12 7 Digital Output 53 12 8 PG Connector 56 12 9 RS485 Serial Port 57 13 Internal Fuse 58 13 1 Fuse Code 58 14 Maintenance 59 14 1 Fans 59 14 2 Maintenance 59 14 3 Repairing procedure 59 14 4 War...

Page 5: ...the qualified people to work in safety Protection Protection Protezione The unit have IP20 protection rating as defined by the specific international Is necessary consider the place of installation Earth Terre Messa a terra For safety the Thyristor unit with isolated heat sink must be connected to earth Earth impedance should be correspondent to local earth regulation Periodically the earth effici...

Page 6: ...f all suggestions contained in this manual are respected In respect to a good Engineering practice all inductive loads like solenoids contactor coils should have a filter in parallel Emissions Emission Emissioni All solid state power controllers emit a certain amount of radio frequency energy because of the fast switching of the power devices The CD Automation s Thyristor unit are in accord with t...

Page 7: ... digital and is based on a powerful microprocessor with high performance that allow the use in different ways Single cycle Burst Firing with soft start and current limit Delayed triggering Phase Angle with soft start and current limit On same unit can be used different feed back that define the control mode Voltage Current Power VxI External 0 10Vdc On same unit can be used different input 4 20mA ...

Page 8: ...thout stop the production process Technical Specification Use in Local Remote Set Point Ramp UP Down Scroll selection of Set point Power output Current Voltage Display indication for Heater Break alarm SCR short circuit Password for configuration parameters Plug in connector on front to use software configurator Retransmission 4 20mA or 0 10Vdc of one of these parameters Power PV Current Voltage D...

Page 9: ... the machine with the Test unit section For install the software launch the program and follow the instructions on the screen To connect the unit at the PC it s necessary use the programming cable connected between the PG connector see par 12 8 and the serial port RS232 of the PC The programming cable is not included With the CD RS serial converter is possible configure the Thyristor unit also thr...

Page 10: ...less than the MAX voltage of MULTIDRIVE see par 4 2 Verify the Order Code see par 5 2 3 Verify the Installation see par 6 4 Verify the Diagram of control connection All auxiliary connections must be done in line with wirings on this manual Verify that there isn t a short circuit on the load see par 7 5 5 Supply the Electronic boards see Order Code 6 If not specified in the Order Code Set the Load ...

Page 11: ...izing 4 1 1 Wiring with resistive load V P I V Nominal voltage phase to phase I Nominal current to the load P Nominal power to the load 4 1 2 Wiring with inductive load φ cos V P I V Nominal voltage phase to phase I Nominal current to the load P Nominal power to the load ...

Page 12: ... 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 s 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 see par 5 2 ...

Page 13: ...CD Automation srl MULTIDRIVE 1PH 850A User s Manual 13 5 2 Order Code ...

Page 14: ...t maintain the air circulation like represented in figure Sometimes is necessary installing a fan to have better air circulation 6 1 Environmental installation conditions Ambient temperature 0 45 C at nominal current Over 45 C use the derating curve see par 8 1 Storage temperature 25 C to 70 C Installation place Don t install at direct sun light where there are conductive dust corrosive gas vibrat...

Page 15: ...CD Automation srl MULTIDRIVE 1PH 850A User s Manual 15 6 2 Dimensions MULTIDRIVE 1PH 850A S14 6 3 Fixing holes Size A mm B mm 850A S14 222 490 262 270 520 Weight 22 5 kg ...

Page 16: ...he input and output signals The signal cables must not be near and parallel to the power cables Local regulations regarding electrical installation should be rigidly observed For safety connect the heat sink to the earth with his terminal 7 1 Removing the cover Instructions for open the thyristor unit 7 2 Wiring details Use copper cables and wires rated for use at 75 C only 7 2 1 Power cable torqu...

Page 17: ...s Manual 17 7 3 Power Terminals Warning Before connecting or disconnecting the unit check that power and control cables are isolated from voltage sources Terminal Description L1 Line Input Phase T1 Load Output Phase MULTIDRIVE 2PH 850A S14 L1 T1 ...

Page 18: ...y Run 10 Common of the contact relay Run 11 Output relay 1 Critical Alarm 12 Output relay 2 Configurable 13 Output relay 3 Configurable 14 Common of the contact relay 2 3 e 4 15 Common for Analogue Output 4 20mA 16 Common for Analogue Output 0 10Vdc 17 Analogue Input 1 Primary 18 GND Analogue Input 1 19 Analogue Input 2 Secondary 20 GND Analogue Input 2 21 Analogue Input 3 Ext Current Profiler 22 ...

Page 19: ... fuse isolator Use an appropriate external transformer based on the voltage supply of the electronic board see the identification label The coil contactor the relays and other inductive loads must be equipped with opportune RC filter Before give the Start command supply the auxiliary voltage Load Type L2 T1 L2 T1 L2 T1 Resistances and Infrared Lamps Variable Resistances Super kanthal or Silicon ca...

Page 20: ...tage A V 480V 600V mAeff 10msec A mAeff tp 10msec Hz I Inom W Vac 850A 330 690 1600 1600 1000 17800 15 1027000 47 70 840 2500 8 1 Derating curve 1 0 8 0 6 0 4 0 2 0 45 55 65 75 85 K C I I x K NOM MAX 8 2 Cooling fans The MULTIDRIVE thyristor unit is equipped with a cooling fans The supply votage is the same of the electronic board see par 12 2 The fan s power consumption is below listed Size Numbe...

Page 21: ... board there are two LED that indicates the state of the Electronic cards LED For All size STATUS DESCRIPTION LD1 The power supply is not connected or fault on the electronic board Fault on the electronic board Electronic board is OK LD2 The power supply is not connected The power supply is connected OFF ON Flashing LD1 LD2 ...

Page 22: ...fore to restart is necessary use the digital input Reset Alarm see par 12 6 9 2 2 External Alarm This critical alarm is active when the Digital input External Alarm is activated For restart the thyristor unit you must disarm the external alarm When the problem is solved before to restart is necessary use the digital input Reset Alarm see par 12 6 9 2 3 Heat sink Over temperature This critical alar...

Page 23: ...larm is active when the load current decrease under the threshold set on the parameter P066 The Heater Break alarm could be active also if there are a wrong wiring of the load When the problem is solved is necessary use the digital input Reset Alarm see par 12 6 The Heater Break alarm to work properly must have an input signal more then 25 of the nominal current value Caution In the first start an...

Page 24: ... and DOWN key is used to scroll the parameters in the menu and to change data The ENTER key is used to edit the parameters and to save the modified values The Control Panel have three menu and to enter in one of them you must set correctly the parameter P000 Operator Menu P000 0 This menù contains a reading parameters that give information on the state of the unit it include also the base paramete...

Page 25: ...CD Automation srl MULTIDRIVE 1PH 850A User s Manual 25 10 1 Scroll the parameters ...

Page 26: ...UM Min Value DEC Max Value DEC Min Value UM Max Value UM Par Type AL 2 Code of Not Critical alarm ALM 0 1 0 1 R Setpoint selection Analog Digital This parameter determines the use of the analog setpoint terminal 17 18 or of the digital setpoint setted in the parameter P004 Parameter Display Parameter Name Contents UM Default Value UM Min Value DEC Max Value DEC Min Value UM Max Value UM Par Type L...

Page 27: ...Min Value DEC Max Value DEC Min Value UM Max Value UM Par Type V_Ln Voltage Supply V 0 4095 0 1000 R Maximum Output This parameter set in the maximum output voltage Parameter Display Parameter Name Contents UM Default Value UM Min Value DEC Max Value DEC Min Value UM Max Value UM Par Type OutN Maximum Output 100 0 2048 4095 50 0 100 0 R W Setpoint Ramp Up This parameter set the Setpoint Ramp Up Pa...

Page 28: ...resent on the power terminal Parameter Display Parameter Name Contents UM Default Value UM Min Value DEC Max Value DEC Min Value UM Max Value UM Par Type Aout RMS Current Output A 0 1000 0 1000 R Set Operative Voltage This parameter is used to set in volt the operative voltage of the load Parameter Display Parameter Name Contents UM Default Value UM Min Value DEC Max Value DEC Min Value UM Max Val...

Page 29: ... UM Default Value UM Min Value DEC Max Value DEC Min Value UM Max Value UM Par Type HiA1 Save value Maximum input 1 Sw 0 0 1 0 1 R W The input Calibration procedure is necessary only if you change the input type ex from 0 10V to 4 20mA and must be performed only by qualified persons Calibration MIN value of analog input 2 This parameter saves in memory the min value of the secondary analog input P...

Page 30: ...ault Value UM Min Value DEC Max Value DEC Min Value UM Max Value UM Par Type LiA3 Save value Minimum input 3 Sw 0 0 1 0 1 R W The input Calibration procedure is necessary only if you change the input type ex from 0 10V to 4 20mA and must be performed only by qualified persons Calibration MAX value of analog input 3 This parameter saves in memory the max value of the External Current Profiler analo...

Page 31: ...input configuration ALM Sw 1 0 4 0 R W Full scale of Analog Output 1 Power This parameter is used to adjust the full scale value of the analog output Parameter Display Parameter Name Contents UM Default Value UM Min Value DEC Max Value DEC Min Value UM Max Value UM Par Type G_A1 Analog Output 1 Scaling Kw 1000 0 3000 0 3000 R W Full scale of Analog Output 2 RMS Voltage Output This parameter is use...

Page 32: ... Analog Output 4 Scaling Hz 100 0 0 3000 0 300 0 R W Digital output configuration 2 terminal 12 This parameter selects the function of the digital output Parameter Display Parameter Name Contents UM Default Value UM Min Value DEC Max Value DEC Min Value UM Max Value UM Par Type do_2 Digital output 2 configuration ALM Sw 1 0 3 0 R W Digital output configuration 3 terminal 13 This parameter selects ...

Page 33: ...EC Max Value DEC Min Value UM Max Value UM Par Type bAud Baud Rate on serial port Sw 2 0 2 0 2 R W Address number This parameter selects the Address on the serial port for the thyristor unit Parameter Display Parameter Name Contents UM Default Value UM Min Value DEC Max Value DEC Min Value UM Max Value UM Par Type Addr Address number Hd 1 1 127 1 127 R W Sample Values and Note 4800 9600 19200 ...

Page 34: ...s UM Default Value UM Min Value DEC Max Value DEC Min Value UM Max Value UM Par Type Hb_S HB sensitivity 100 0 0 4095 0 160 0 R W Nominal Current 100A P066 20 This means that the Heather Break Alarm became active when the current goes below 80A Feed back selection This parameter selects the Feed back type Parameter Display Parameter Name Contents UM Default Value UM Min Value DEC Max Value DEC Min...

Page 35: ... Type bF_r Ramp setting in Burst Firing Cycle 0 0 100 0 100 R W 4 With S BF Burst Firing Setting This parameter set firing delay in Parameter Display Parameter Name Contents UM Default Value UM Min Value DEC Max Value DEC Min Value UM Max Value UM Par Type dt Delay Triggering 80 0 100 0 100 R W Analog Digital current limit selection This parameter determines the use of the analog or digital Curren...

Page 36: ...ossing switching method in relationship of the power demand from a temperature regulator or from an external signal 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 cy...

Page 37: ... P004 H04 Digital Setpoint value R W P019 H13 100 Maximum Output R W P024 H18 0 Setpoint Ramp Up Sec R W P025 H19 0 Setpoint Ramp Down Sec R W P116 H74 V Load Operative load voltage V R W P119 H77 I Load Load nominal current A R W SETUP MENU Parameter Name Value Description UM Mode P023 H17 0 Firing Type R W P066 H42 20 HB sensitivity R W P070 H46 1 Feed back selection R W P083 H53 1 Burst Firing ...

Page 38: ...0 ON OFF LOAD VOLTAGE V 75 50 25 11 2 1 Soft Start with Burst Firing S BF This is an additional function to the Burst Firing The unit start in phase angle mode with a ramp starting from zero up to the full tension in the cycles number set in the parameter P084 When the ramp is over the thyristor unit will stay in conduction at full voltage up to the end of cycles of burst The S BF firing is used t...

Page 39: ...ue R W P019 H13 100 Maximum Output R W P024 H18 0 Setpoint Ramp Up Sec R W P025 H19 0 Setpoint Ramp Down Sec R W P116 H74 V Load Operative load voltage V R W P119 H77 I Load Load nominal current A R W SETUP MENU Parameter Name Value Description UM Mode P023 H17 0 Firing Type R W P066 H42 20 HB sensitivity R W P070 H46 1 Feed back selection R W P083 H53 8 Burst Firing Cycles Not used in Phase Angle...

Page 40: ...Lamp The only disadvantage with phase angle is the possible generation of interferences that however can be reduced with opportune filters VOLTAGE SUPPLY V 100 ON OFF LOAD VOLTAGE V 75 50 25 11 3 1 Soft Start with Phase Angle S PA This is an additional function to the Phase Angle The firing angle of the thyristor increase or decrease up to the final setpoint value The Soft start ramp is an importa...

Page 41: ... R W P019 H13 100 Maximum Output R W P024 H18 0 1000 Setpoint Ramp Up Sec R W P025 H19 0 1000 Setpoint Ramp Down Sec R W P116 H74 V Load Operative load voltage V R W P119 H77 I Load Load nominal current A R W SETUP MENU Parameter Name Value Description UM Mode P023 H17 1 Firing Type R W P066 H42 20 HB sensitivity R W P070 H46 1 Feed back selection R W P083 H53 Burst Firing Cycles Not used in Phase...

Page 42: ...t Zero Crossing Voltage Voltage Voltage Current Delay angle 0 to 100 0 Zero Crossing Voltage For understand the Delay Triggering firing we have represented the waves generate by vectors that rotates in counterclockwise Without Delay Triggering With Delay Triggering y V1 I1 V3 I3 I2 V2 x i2 i1 i3 y V1 I1 V3 I3 I2 V2 x i2 i3 Delay Angle α Without delay at zero crossing when V1 is to zero projected o...

Page 43: ...m Output R W P024 H18 0 1000 Setpoint Ramp Up Sec R W P025 H19 0 1000 Setpoint Ramp Down Sec R W P116 H74 V Load Operative load voltage V R W P119 H77 I Load Load nominal current A R W SETUP MENU Parameter Name Value Description UM Mode P023 H17 2 Firing Type R W P066 H42 20 HB sensitivity R W P070 H46 1 Feed back selection R W P083 H53 8 Burst Firing Cycles Not used in Phase Angle Cycles R W P084...

Page 44: ...3 External Current Profiler or in digital mode through the parameter P091 To select Analog Digital mode use the parameter P090 To make Current Limit Procedure follow these steps Caution this procedure must be performed only by qualified persons Give the power supply and set the current limit to zero In analog mode set the analog input 3 at the min value ex 0V for 0 10Vdc or 4 for 4 20mA In digital...

Page 45: ...input signal becomes a voltage 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 W Power feed back The input signal is proportional to the power output This m...

Page 46: ...ction description 12 1 Access to the Electronic boards To have access to the electronic boards the user must removing the unit s cover see par 7 1 Warning Before operate be sure that power and control cables are isolated from voltage sources PWI30 board DDC30 board ...

Page 47: ...with customer requirements that are defined in the Order Code The Order Code is written on the identification label Warning Before connecting or disconnecting the unit check that power and control cables are isolated from voltage sources Terminal Description 1 Earth 2 Voltage Supply for Electronic Boards 3 Voltage Supply for Electronic Boards see terminal block X1 12 3 External Feed Back Terminal ...

Page 48: ...ry input ex from 0 10V to 4 20mA proceed as follows Caution this procedure must be performed only by qualified persons Type Input features JP1 0 10V Impedance 47KΩ Open POT Impedance 10KΩ min Open 4 20mA Impedance 470Ω Close JP1 JP3 JP5 Primary Input calibration procedure When you change the hardware setting is necessary make the Input calibration procedure To make the Input calibration procedure ...

Page 49: ...10V for 0 10V or 20mA for 4 20mA Set the parameter P060 1 Press ENTER key The Input calibration procedure is done 12 4 3 External Current Profiler Terminals 21 and 22 see par 7 4 The External Current Profiler input is already configured in line with customer requirements that are defined in the Order Code The Order Code is written on the identification label However if you wish to change the Exter...

Page 50: ...onfigured in line with customer requirements that are defined in the Order Code The Order Code is written on the identification label However if you wish to change the average power output ex from 0 10V to 4 20mA proceed as follows Caution this procedure must be performed only by qualified persons Type Output features P097 JP14 0 10V 20mA Max 0 A B 0 20mA 500Ω Max 0 B C 4 20mA 500Ω Max 1 B C JP14 ...

Page 51: ...tification label However if you wish to change the RMS current output ex from 0 10V to 4 20mA proceed as follows Caution this procedure must be performed only by qualified persons Type Output features P097 JP16 0 10V 20mA Max 0 A B 0 20mA 500Ω Max 0 B C 4 20mA 500Ω Max 1 B C Setting the Output 3 Value The parameter P108 allows to set the full scale value to have the maximum output for example if y...

Page 52: ...d the unit will be stopped and the output goes at zero without follow the ramp The contact at the terminals 9 and 10 will be immediately reopened and the main contactor goes down 12 6 4 External Alarm Terminal 6 see par 7 4 The MULTIDRIVE thyristor unit to work must not have this digital input active When the unit is in Run and you active the External Alarm the unit will be stopped and the output ...

Page 53: ...12 7 1 Run Relay Terminals 9 and 10 see par 7 4 This digital output is used to control the main contactor when the thyristor unit is in run the output is active and the contact is closed 12 7 2 Critical Alarm Terminals 11 and 14 see par 7 4 This digital output is active when a critical alarm occurs see par 9 2 The standard contact used for this output is normally open NO but is possible change the...

Page 54: ... after that one of these alarms occors SCR in short circuit Unbalanced Load Heater Break Alarm HB Current Limit active The parameter for configurate the output is the P112 The standard contact used for this output is normally open NO but is possible change the contact type Caution this procedure must be performed only by qualified persons Type JP8 E F NO standard A B NC B C JP8 E F C B A ...

Page 55: ...tself after that one of these alarms occors SCR in short circuit Unbalanced Load Heater Break Alarm HB Low Voltage The parameter for configurate the output is the P113 The standard contact used for this output is normally open NO but is possible change the contact type Caution this procedure must be performed only by qualified persons Type JP8 G H NO standard A B NC B C JP8 G H C B A ...

Page 56: ...TIDRIVE 1PH 850A User s Manual 56 12 8 PG Connector The PG Connector is used to configure the thyristor unit with the configuration software and with the programming cable The programming cable is not included PG Connector ...

Page 57: ... on the 9pin DIN male connector On this port may be done a network up to 127 MULTIDRIVE On the 9pin DIN male connector is also possible connect the CD EASY see par 2 3 Pin Description 1 PMS5 5V 2 GND 0V 3 GND 0V 4 Reserved Rxd0 5 GND 0V 6 RS485 A 7 RS485 B 8 nc 9 Reserved Txd0 Terminal Description 1 RS485 A 2 RS485 B 3 For internal use 4 For internal use ...

Page 58: ...TH APPROPRIATE I T 13 1 Fuse Code 200 kARMS Symmetrical A I C Size Fuse CODE Current A RMS I T A sec Vac Qty 850A FU2x550FMM 900 420000 660 2 Caution The Fuses must have I t 20 less than thyristor s I t Caution High speed fuses are used only for the thyristor protection and can not be used to protect the installation Caution The warranty of thyristor is null if no proper fuses are used See tab War...

Page 59: ...The frequency of these operations depends on the atmospheric local pollution Check also that the screw of the power terminals and earth terminals are shut correctly see Diagram of control connection 14 3 Repairing procedure Phone to CD Automation Explain to Service Engineer the problem because sometimes it can be solved with a phone call If this is not possible ship the unit to CD Automation or to...

Page 60: ...CD Automation srl MULTIDRIVE 1PH 850A User s Manual 60 ENG MULTIDRIVE 1PH_850A ...

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