CD Automation MULTIDRIVE-3PH Thyristor Unit User Manual
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CD Automation MULTIDRIVE-3PH Thyristor Unit User Manual

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USER'S MANUAL
Rev. 06/2014
00006
CD Automation
Tel: +44 (0)1323 811-100
Email: info@cdautomation.co.uk
Web: www.cdautomation.co.uk/multidrive-3ph
MULTIDRIVE-3PH
Thyristor Unit
from 35A to 850A

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Summary of Contents for CD Automation MULTIDRIVE-3PH Thyristor Unit

  • Page 1 MULTIDRIVE-3PH USER’S MANUAL Rev. 06/2014 Thyristor Unit from 35A to 850A 00006 CD Automation Tel: +44 (0)1323 811-100 Email: info@cdautomation.co.uk Web: www.cdautomation.co.uk/multidrive-3ph...

  • Page 3: Table Of Contents

    SUMMARY 1 Important warnings for safety ..................5 2 Introduction ........................ 7 2.1 Advantages compared with analog thyristor unit 2.2 CD-KP 2.3 CD-EASY 2.4 Software Configurator 3 Quick Start ........................ 10 4 MULTIDRIVE Sizing....................11 5 Identification and Order Code ..................12 5.1 Identification of the unit 5.2 Order Code 6 Installation ........................
  • Page 4 10.3 Hardware Menu 10.4 Setup Menu 11 Firing type ....................... 37 11.1 Single Cycle (SC) 11.2 Burst Firing (BF) 11.3 Phase Angle (PA) 11.4 Delay Triggering (DT) 11.5 Action of the Limit Current 11.6 Feed-back type 12 Connection description .................... 47 12.1 Access to the Electronic boards 12.2 Supply the Electronic Board PWI30 12.3 External Feed-Back...

  • Page 5: Important Warnings For Safety

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 1 Important warnings for safety This chapter contains important information for the safety. The not observance of these instructions may result in serious personal injury or death and can cause serious damages to the Thyristor unit and to the components system included.
  • Page 6 Caution: This icon is present in all the operational procedures where the Improper operation can cause damage for the Thyristor unit. CD Automation reserves the right to modify the own products and this manual without any advise. ®...

  • Page 7: Introduction

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 2 Introduction A thyristor unit is semiconductor device which acts as a switch formed by two thyristors in ant parallel. To switch on the alternating current the input signal will be on and the thyristor will switch off at first Zero Crossing voltage with no input signal.

  • Page 8: Cd-Kp

    User’s Manual 2.2 CD-KP The CD-KP is designed to be connected with all CD Automation's Thyristor units via RS485 communication. On front unit is possible to read the principal operational parameters of the unit like: power, tension, current, reference, alarms, etc.

  • Page 9: Software Configurator

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 2.4 Software Configurator The software configuration is free and is possible download it from our site: www.cdautomation.com If the Order Code is in line with requirement, then MULTIDRIVE has been already configured in Factory and it's ready to use.

  • Page 10: Quick Start

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 3 Quick Start Caution: this procedure must be performed only by qualified persons. If the Order Code of the Thyristor unit is in line with what you really need, then MULTIDRIVE has been already configured in Factory and you just need to do the following steps: 1.

  • Page 11: Multidrive Sizing

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 4 MULTIDRIVE Sizing 4.1.1 Star wiring with resistive load  V = Nominal voltage phase to phase I = Nominal current of the load P = Nominal power of the load 4.1.2 Star wiring with inductive load...

  • Page 12: Identification And Order Code

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 5 Identification and Order Code 5.1 Identification of the unit Caution: Before to install, make sure that the Thyristor unit have not damages. If the product has a fault, please contact the dealer from which you purchased the product.

  • Page 13: Order Code

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 5.2 Order Code...

  • Page 14: Installation

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 6 Installation Caution: Don't install near the hot elements or near the units that could give electromagnetic interferences. The MULTIDRIVE Thyristor unit must be always mounted in vertical position to improve air cooling on heat-sink.

  • Page 15: Dimensions And Weight

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 6.2 Dimensions and Weight MULTIDRIVE 3PH MULTIDRIVE 3PH MULTIDRIVE 3PH 35A÷225A (S13) 300A÷600A (S14) 850A (S15) Size W(mm) H(mm) D(mm) Weight (kg) 35A (S13) 45A (S13) 75A (S13) 100A (S13)

  • Page 16: Fixing Holes

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 6.3 Fixing holes Size A(mm) B(mm) C(mm) 35A (S13) 45A (S13) 75A (S13) 100A (S13) 125A (S13) 150A (S13) 225A (S13) 300A (S14) 350A (S14) 400A (S14) 450A (S14) 500A (S14)

  • Page 17: Wiring Instructions

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 7 Wiring instructions Caution: this procedure must be performed only by qualified persons. The Thyristor unit could be susceptible to interferences lost by near equipments or by the power supply, for this reason in accord to the fundamental practices rules is opportune take some precautions: ...
  • Page 18 CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 7.2.2 Power cable dimensions (suggested) Supply Load Current Cable Screw Cable Screw mm² mm² 35A (S13) 45A (S13) 75A (S13) 100A (S13) 125A (S13) 150A (S13) 225A (S13) 300A (S14)

  • Page 19: Power Terminals

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 7.3 Power Terminals Warning: Before connecting or disconnecting the unit check that power and control cables are isolated from voltage sources. Terminal Description Line Input Phase 1 Line Input Phase 2...

  • Page 20: Command Terminals

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 7.4 Command Terminals Warning: Before connecting or disconnecting the unit check that power and control cables are isolated from voltage sources. Terminal Description (+) Input External Feed-Back (0÷10Vdc) (-) Input External Feed-Back (0÷10Vdc) (see par.

  • Page 21: Diagram Of Control Connection

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 7.5 Diagram of control connection Caution: this procedure must be performed only by qualified persons. Pot.10K CD-KP 0-10Vdc (option) 4-20mA RS485 Input 1 Input 2 Input 3 10Vdc 24Vdc External...

  • Page 22: Power Output Features

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 8 Power output features Voltage Repetitive peak Latching Max peak Leakage T value Frequency Isolation Current Power loss range reverse voltage current one cycle current range Voltage (10msec.) (480V) (600V)

  • Page 23: Led Status And Alarms

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 9 Led status and Alarms 9.1 LED Status Table On the DDC30 Electronic board there are two LED that indicates the state of the Electronic cards: STATUS DESCRIPTION For All size...

  • Page 24: Critical Alarms

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 9.2 Critical Alarms When a critical alarm is active, it stops the MULTIDRIVE thyristor unit and activates the relative digital output (terminal 11). The parameter P001  allows to visualize the state of these alarms 9.2.1 Phase loss...

  • Page 25: Calibration Procedure

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 9.4 Calibration Procedure The Calibration procedure is an automatic procedure that save in memory the three different values of load current (for each phase) This procedure is necessary if you use the Burst Firing (BF) or if you use the Heater Break Alarm.

  • Page 26: Scroll The Parameters

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 10.1 Scroll the parameters       Operator Menu Hardware Menu Setup Menu              ...

  • Page 27: Operator Menu

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 10.2 Operator Menu Code of Critical alarm: This parameter read only gives information on the following alarms  that they stop the MULTIDRIVE. Default Parameter Parameter Par. Contents Value Value...
  • Page 28 CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual Remote Set-point value: This parameter read only contains the analog setpoint value  present at the terminals 17-18 of the command terminals. Default Parameter Parameter Par. Contents Value Value Value...
  • Page 29 CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual Power Output: This parameter read only show the power output .  Default Parameter Parameter Par. Contents Value Value Value Value Value Display Name Type  − Power Output 1000...

  • Page 30: Hardware Menu

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 10.3 Hardware Menu Calibration MIN value of analog input 1: This parameter saves in memory the min value  of the primary analog input. Default Parameter Parameter Par. Contents Value...
  • Page 31 CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual Calibration MAX value of analog input 2: This parameter saves in memory the Max  value of the secondary analog input. Default Parameter Parameter Par. Contents Value Value Value Value...
  • Page 32 CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual Offset of the Analog Outputs: This parameter is used to set the offset for the Analog  Outputs. Default Parameter Parameter Par. Contents Value Value Value Value Value Display Name...
  • Page 33 CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual Full scale of Analog Output 3 (RMS Current): This parameter is used to adjust the full  scale value of the analog output. Default Parameter Parameter Par. Contents Value Value...
  • Page 34 CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual Baud Rate: This parameter selects the Baud rate on the serial port.  Default Parameter Parameter Par. Contents Value Value Value Value Value Display Name Type Baud Rate on ...

  • Page 35: Setup Menu

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 10.4 Setup Menu Firing mode Selection: This parameter selects the Firing Type.  Default Parameter Parameter Par. Contents Value Value Value Value Value Display Name Type Firing mode  Selection...
  • Page 36 CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual Ramp setting in Burst Firing: In Burst Firing is possible to have a soft start ramp.  With this parameter you can define how much cycles are necessary to reach the complete wave form.

  • Page 37: Firing Type

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 11 Firing type Choose an correct firing type allows to optimize the thyristor unit for the installed load. The firing type has already configured in line with customer requirements that are defined in the Order Code.
  • Page 38 CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 11.1.1 Suggested recipe for Single Cycle The firing type has already configured in line with customer requirements that are defined in the Order Code. The Order Code is written on the identification label.

  • Page 39: Burst Firing (Bf)

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 11.2 Burst Firing (BF) The Burst Firing is similar to the Single Cycle, but consecutive cycles ON are selectable between 2 and 255, with input signal equal at 50%. Burst Firing is a method zero crossing that it reduces the electromagnetic interferences because the thyristor switches at zero voltage crossing.
  • Page 40 CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 11.2.2 Suggested recipe for Burst Firing The firing type has already configured in line with customer requirements that are defined in the Order Code. The Order Code is written on the identification label.

  • Page 41: Phase Angle (Pa)

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 11.3 Phase Angle (PA) The Phase Angle firing allow the control of the power on the load, for this firing the thyristor can be in conduction only for a part of the voltage cycle.
  • Page 42 CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 11.3.2 Suggested recipe for Phase Angle The firing type has already configured in line with customer requirements that are defined in the Order Code. The Order Code is written on the identification label.

  • Page 43: Delay Triggering (Dt)

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 11.4 Delay Triggering (DT) The Delay Triggering firing is used the control a primary of transformer coupled with the normal resistances on the secondary (N.B. don't connect cold resistances on the secondary like: Superkanthal, Molybdenum, Platinum, Tungsten, Quartz Lamp).
  • Page 44 CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 11.4.1 Suggested recipe for Delay Triggering The firing type has already configured in line with customer requirements that are defined in the Order Code. The Order Code is written on the identification label.

  • Page 45: Action Of The Limit Current

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 11.5 Action of the Limit Current The Current Limit is available for each firing type. It control the firing angle of the thyristor to maintain the three RMS current under the set value.

  • Page 46: Feed-Back Type

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 11.6 Feed-back type The Feed-back type has already configured in line with customer requirements that are defined in the Order Code. The Order Code is written on the identification label.

  • Page 47: Connection Description

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 12 Connection 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...

  • Page 48: Supply The Electronic Board Pwi30

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 12.2 Supply the Electronic Board PWI30 The MULTIDRIVE thyristor unit, to work, requires a voltage supply for the electronic boards. This voltage is used also to supply the internal fans.

  • Page 49: Analog Inputs

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 12.4 Analog Inputs The MULTIDRIVE thyristor unit has 3 configurable analog inputs (0÷10V, 4÷20mA, ecc): The primary input for the analog setpoint, the secondary input for the setpoint correction and the External Current Profiler for the current limit.
  • Page 50 CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 12.4.2 Secondary Input (Terminals 19 and 20 - see par. 7.4) The secondary input for the setpoint correction is already configured in line with customer requirements that are defined in the Order Code. The Order Code is written on the identification label.

  • Page 51: Analog Outputs

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 12.5 Analog Outputs The MULTIDRIVE thyristor unit has 4 configurable analog outputs (0÷10V, 4÷20mA, ecc). The output 1 is for retransmitting the average power on the three phases, and the others 3 is for the retransmitting the RMS current on the phases L1, L2 and L3 12.5.1 Output 1: Average Power (Terminals 15 and 23 or 16 and 23 - see par.
  • Page 52 CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 12.5.2 Output 2: L1 RMS current (Terminals 15 and 24 or 16 and 24 - see par. 7.4) The RMS current output is already configured in line with customer requirements that are defined in the Order Code.

  • Page 53: Digital Input

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 12.6 Digital Input The MULTIDRIVE thyristor unit has 6 digital inputs opto-isolated to 24Vdc. You can activate the inputs with the internal supply (see par. 7.5) or with an external source for example the PLC.

  • Page 54: Digital Output

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 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).
  • Page 55 CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 12.7.3 Configurable Digital Output 2 (Terminals 12 and 14 see par. 7.4) This digital output can be configured in order to activate itself after that one of these alarms occors: ...
  • Page 56 CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 12.7.4 Configurable Digital Output 3 (Terminals 13 and 14 see par. 7.4) This digital output can be configured in order to activate itself after that one of these alarms occors: ...

  • Page 57: Pg Connector

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 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 58: Rs485 Serial Port

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual 12.9 RS485 Serial Port The serial communication port RS485 is available on the Command Terminals and on the 9pin DIN male connector. On this port may be done a network up to 127 MULTIDRIVE.

  • Page 59: Internal Fuse

    CD Automation srl MULTIDRIVE-3PH from 35A to 850A User’s Manual Internal Fuse The MULTIDRIVE thyristor unit have internal fuse extrarapid at low I²t for the thyristor protection of against the short-circuits. The fuse must have I²t lower than the thyristor one (I²t max) Caution: USE ONLY EXTRARAPID FUSE WITH APPROPRIATE I²...

  • Page 60: Maintenance

    Use a rugged packaging to ship the unit. 13.4 Warranty condition CD Automation gives a 12 months warranty to its products. The warranty is limited to repairing and parts substitution in our factory and does exclude products not properly used and fuses.

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