CD Automation CD3000 E-3PH User manual

CD Automation S.r.l.
Via Picasso 34/36 - 20025 – Legnano (MI) – ITALY
Tel [phone] – Fax [phone]
E-Mail: [e-mail] - WEB: www.cdautomation.com
CD3000 E -3PH
Thyristor Unit
USER’S MANUAL
Rev. 02/20 5
00007
from 25A to 600A

SUMMARY
1 Important warnings for safety ..................................................................................... 5
2 Introdu tion ................................................................................................................ 7
2. Advantages compared with analog thyristor unit 7
2.2 CD-KP 8
2.3 CD-EASY 8
2.4 Software Configurator 9
3 Qui k Start ................................................................................................................ 10
4 CD3000E Sizing ......................................................................................................... 11
5 Identifi ation and Order Code .................................................................................... 12
5. Identification of the unit 2
5.2 Order Code 3
6 Installation ................................................................................................................ 14
6. Environmental installation conditions 4
6.2 Dimensions and Fixing holes 5
6.3 Removing the cover 6
7 Wiring instru tions .................................................................................................... 17
7. Wiring details 7
7.2 Power Terminals 9
7.3 Command Terminals Size S09 20
7.4 Diagram of control connection Size S09 2
7.5 Command Terminals Size S /S 3/S 4 22
7.6 Diagram of control connection Size S /S 3/S 4 23
8 Power output features ............................................................................................... 24
8. Derating curve 24
8.2 Cooling fans 24
9 Led status and Alarms ............................................................................................... 25
9. LED Status Table 25
9.2 Critical Alarms 26
9.3 Not Critical Alarm 27
9.4 Calibration Procedure 27
10 Control Panel ........................................................................................................... 28
0. Scroll the parameters 29

11 Firing type ............................................................................................................... 30
. Single Cycle (SC) 30
.2 Burst Firing (BF) 32
.3 Phase Angle (PA) 34
.4 Delay Triggering (DT) 36
.5 Action of the Limit Current 38
.6 Feed-back type 39
.7 Feedback Option 39
12 Conne tion des ription ............................................................................................ 40
2. Access to the Electronic boards 40
2.2 Supply the Electronic Board 40
2.3 Analog Inputs 4
2.4 Analog Outputs 43
2.5 Digital Input 44
2.6 Digital Output 45
2.7 PG Connector 46
2.8 RS485 Serial Port 47
13 MODBUS ommuni ation ......................................................................................... 48
3. MODBUS RTU Protocol 48
3.2 Message Format 48
3.3 Read Holding Registers 50
3.4 Preset Multiple Registers 50
3.5 Error and exception responses 5
3.6 Address Configuration 5
14 Configuration Parameters ........................................................................................ 52
4. Operator Menu 52
4.2 Hardware Menu 54
4.3 Setup Menu 56
15 Internal Fuse ........................................................................................................... 58
5. Fuse Code 58
16 Maintenan e ............................................................................................................ 59
6. Fans 59
6.2 Maintenance 59
6.3 Repairing procedure 59
6.4 Warranty condition 59

CD Automation srl CD3000E-3PH from 25A to 500A User’s Manual
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1Important 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.
The installation should be performed by qualified persons.
The Thyristor unit are integral part of industrial equipments. When it is supply, the
Thyristor unit is subject to dangerous tensions.
•Don't remove the protection Cover.
•Don't use these unit in aerospace applications and/ or nuclear.
The nominal current corresponds to use at temperature not superior to 45°C.
•The Thyristor unit must be mounted in vertical position and without obstruction above
and below to allow a good flow ventilation.
•The hot air of one thyristor unit must not invest the unit positioned above.
•For side by side placed leave a space of 5mm between the unit.
A suitable device must ensure that the unit can be electrically isolated from the supply, this
allows the qualified people to work in safety.
Prote tion (Prote tion, 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
efficiency should be inspected.
Ele troni supply (Alimentation éle tronique, Alimentazione elettroni a)
The electronic circuit of the Thyristor unit must be supplied by dedicated voltage for all
electronic circuits and not in parallel with coil contactors, solenoids and other.
It's recommended to use a shielded transformer.
Ele tri Sho k Hazard (Risque de hoque éle trique, Ris hi di s osse elettri he)
When the Thyristor unit is energized, after the power supply is shut off, wait least a minute
for allow the discharge of the internal capacitors where there is a dangerous tension. Before
working, make sure that:
•Only authorized personnel must perform maintenance, inspection, and replacement
operations.
•The authorized personnel must read this manual before to have access to the unit.
•Unqualified People don't perform jobs on the same unit or in the immediate vicinities.

CD Automation srl CD3000E-3PH from 25A to 500A User’s Manual
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Important warnings (Attention, Avvertenze importanti)
During the operations with units under tension, local regulations regarding electrical
installation should be rigidly observed:
•Respect the internal safety rules.
•Don't bend components to maintain insulation distances.
•Protect the units from high temperature humidity and vibrations.
•Don't touch components to prevent electrostatic discharges on them.
•Verify that the size is in line with real needs.
•To measure voltage current etc. on unit, remove rings and other jewels from fingers
and hands.
•Authorized personnel that work on thyristor unit under power supply voltage must be
on insulated board
This listing does not represent a complete enumeration of all necessary safety cautions.
Ele tromagneti ompatibility
(Compatibilità éle tromagnétique, Compatibilità elettromagneti a)
Our thyristor units have an excellent immunity to electromagnetic interferences if 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 the EMC norms, CE mark.
In most installations, near by electronic systems will experience no difficulty with
interference. If very sensitive electronic measuring equipment or low-frequency radio
receivers are to be used near the unit, some special precautions may be required. These
may include the installation of a line supply filter and the use of screened (shielded) output
cable to the load.
Note
Warning: This icon is present in all the operational procedures where the Improper
operation may result in serious personal injury or death
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.
C
US
LISTED
UL
®

CD Automation srl CD3000E-3PH from 25A to 500A User’s Manual
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2Introdu tion
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.
The benefits of thyristor units compared with elettromechanical 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.
2.1 Advantages ompared with analog thyristor unit
CD3000E is an universal Thyristor unit, designed to control resistive or inductive loads including three
phase transformers. The electronic circuit is completely 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÷ 0Vdc
On same unit can be used different input:
•4÷20mA
•0÷ 0Vdc
•Potentiometer 0KΩ
•SSR
Communication RS485 is a standard feature of CD3000E this allows the use of many information like:
tension, current, power, load state and all the parameters for diagnostic and configuration. Ulterior
advantages of the digital system vs the analogical is the flexibility and the possibility of implement
special characteristics without change the hardware. Several strategies can be implemented and
selected through the configuration parameters.
With CD-KP, you can have access to the configuration parameters without expose at the dangerous
voltage inside the cabinet and without stop the plant.

CD Automation srl CD3000E-3PH from 25A to 500A User’s Manual
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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.
One of these variables can be selected and retransmitted via an isolated output (4÷20mA or 0÷ 0V)
All the menus (except the operator menu) can be protected by password to avoid accidental change of
configuration parameters by unauthorised personnel.
On front unit is also available a plug-in connector RS485 for connect a PC with the Thyristor units
without open the cabinet and without stop the production process.
Te hni al Spe ifi ation:
•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- 0Vdc) of one of these
parameters: Power PV, Current, Voltage.
•Dimension 48x96x92mm (LxAxP)
•Comply with EMC, CE marked
2.3 CD-EASY
CD-EASY is a Memory of support used for maintenance people that is not confident in personal
computer.
With the CD-EASY is possible memorize the configuration of one Thyristor Unit and paste it into another
in few seconds.
CD-EASY could be loaded with the personal configuration of the unit and stored together with the
system drawings in a convenient place, enabling unit reconfiguration within seconds if require.

CD Automation srl CD3000E-3PH from 25A to 500A User’s Manual
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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
CD3000E has been already configured in Factory
and it's ready to use.
You need the software only to modify the ordered
configuration. Anyway 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.
To connect the unit at the PC, it's necessary use
the USB\TTL converter connected between the unit
and the USB port of the PC.
USB\TTL converter need a driver to work properly,
you can find it from our site.
Is available a full programmer kit composed by
•USB\TTL converter,
•Two cable
•Thyristor configurator software
USB driver.
With the CD-RS serial converter is possible
configure the Thyristor unit also through the
RS485 (see par. 2.8).
For this solution, the programming cable is not
necessary.
Run the software configurator and set the serial
port of the PC like the parameters P 4  and
P 5  of the Thyristor unit.

CD Automation srl CD3000E-3PH from 25A to 500A User’s Manual
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3Qui k 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 CD3000E has been
already configured in Factory and you just need to do the following steps:
. Verify the CD3000E Sizing. Making sure that:
•The load current is equal or less than the MAX current of CD3000E.
•The load voltage is equal or less than the MAX voltage of CD3000E.
(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. 7.4)
5. Supply the Electronic boards
(see Order Code)
6. If not specified in the Order Code:
•Set the Load Voltage in the parameter P 6 .
•Set the Load Current in the parameter P 9 .
(see par. 4. )
7. Make the Current Limit Procedure
(see par. .5)
8. With Burst Firing (BF) or Heater Break Alarm (HB)
make the Calibration procedure
(see par. 9.4)
The CD3000E Thyristor unit is ready to start.