Honeywell CD3000M-3PH User manual

EN1I-6310

CD3000M-3PH

THYRISTOR UNIT

Up To 90A

USER’S MANUAL

Rev. 12/2004

EN1I-6310

User’s Manual CD3000M-3PH up to 90A Honeywell

1 www.honeywell.com/imc

CD3000M-3PH Thyristor Unit up to 90A

Index:

1. Glossary 5

1.1 Terminology 5

1.2 Input signal 5

1.3 Power feed back 5

1.4 What is a thyristor unit 5

2. Technical specifications 6

2.1 General Features: 6

2.2 Input features 6

2.3 Output features 7

2.4 Derating curve 7

3. Ordering information 8

4. Installation and wiring information 9

4.1 Identification of the unit 9

4.2 Installation 9

4.3 Dimensions 10

4.4 CT dimensions (Heater Break HB) 10

4.5 Fixing Holes 11

5. Wiring Instructions 12

5.2 Cabling detail 14

5.3 Wiring connections 16

5.4 LED Status Table 19

6. START UP 20

6.1 To remove the board 21

6.2 Auxiliary supply 22

6.3 Analog input 23

6.4 Heater Break Alarm 25

7. Thyristor firing mode 30

7.1 Zero Crossing (ZC) 30

7.2 Burst Firing (BF) 30

7.3 Configurator 31

8. Fuse and fuseholder for UL certification unit 33

8.1 Fuse and Fuse Code 33

8.2 FuseHolder size 34

9. Fuse and fuseholder for CE mark unit 35

9.1 Fuse and Fuse Code 35

9.2 FuseHolder size 36

Honeywell CD3000M-3PH up to 90A User’s Manual

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10. Modbus communication 37

10.1 Physical requirements 37

10.2 ModBus RTU protocol 37

10.3 Word parameters 42

10.4 Thyristor unit Configuration 47

10.5 Address configuration 51

11. Maintenance 54

11.1 Trouble Shooting 54

11.2 Repairing procedure 55

11.3 Fans 55

11.4 Servicing 55

11.5 Warranty conditions 55

User’s Manual CD3000M-3PH up to 90A Honeywell

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CAUTION

Thyristor units are used in power industrial equipment. When the thyristor unit is working, there

are on the unit the following voltages

- Maximum main supply voltage on power terminals up to 600V.

- Auxiliary supply 230-460Vac.

- Fan voltage 230Vac 50/60Hz Power consumption 14W.

Don't remove the plastic cover which provides adequate protection against electric shock.

Don’t use this thyristor in aerospace and nuclear application.

Electric Shock Hazard (Risque the choque électrique)

When thyristor unit has been connected to main supply voltage and is switched off, before to touch

it be secure that the unit is isolated and wait at least one minute to permit to discharge internal

capacitors. Thus be secure that:

• access to thyristor unit is only permitted to specialized personnel;

• the authorised personnel must read this manual before to have access to the unit;

• the access to the units must be denied to unauthorized personnel.

Important warnings(attention)

• Local regulations regarding electrical installation should be rigidly observed.

• Safety regulations must be rigidly observed.

• Don't bend components to maintain insulation distances.

• Protect the units from high temperature, humidity and vibrations.

• Don't touch components to prevent elettrostatichal discharges on them.

• Verify that all ratings are in line with real needs.

• If authorized personnel must measure voltage, current etc. on units, take away rings and other

jewels from fingers and hands.

• Authorized personnel working on thyristor unit under power supply voltage must work on

insulated board. Be secure that board is not connected to earth.

This listing does not represent a complete enumeration of all necessary safety cautions.

Honeywell CD3000M-3PH up to 90A User’s Manual

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Protection(protection)

CD3000 thyristor family has a polymeric plastic cover in compliance to International specification

IP20. To understand if IP20 protection is sufficient should be evaluated the installation place where

the units are installed.

Open Type Equipment(équipment de type ouvert).

Maximum surrounding air temperature 40°C(Temperature de l’air environnante maximum 40°C).

Earth(terre)

CD3000 family has isolated heatsink. For safety connect the heatsink to earth to avoid shocks in

case that circuit board or thyristors lost insulation. Earth impedance should be correspondent to

local earth regulation. Periodically the earth efficiency should be inspected.

Electronic Supply(alimentation électronique)

CD3000 family electronic circuit should be supplied by dedicated voltage supply for all electronic

circuit but not in parallel with contactor's coil, solenoids and other inductive or capacitive loads. It's

recommended to use a shielded transformer.

Electromagnetic compatibility (compatibilité électromagnétique)

Our thyristor unit has an excellent immunity to electromagnetic interferences if all suggestions

contained in this manual are respected. In respect to a good Engineering practise, all inductive

loads like solenoids contactor coils should have a filter in parallel.

Emissions (emission)

All thyristor switching at high speed generate some radiofrequency disturbance. CD3000 serie

complies with EMC rules for CE mark. In many installations near electronic devices has not been

noted problems. If radiofrequency device at low frequency are used near the thyristor unit, some

precautions should be taken like line filters and shielded cables for input signal and for load cables.

LISTED S

NOTE

We reserves the right to apply modifications to the our products without any advice.

User’s Manual CD3000M-3PH up to 90A Honeywell

5 www.honeywell.com/imc

1. Glossary

1.1 Terminology

V: voltage power supply.

I: the full circulating current in thyristor unit.

P: total load power.

1.2 Input signal

SSR: This input type is a square waveform generated by a temperature controller.

AN: Analog input.

IRS: Communication command.

1.3 Power feed back

Feedback: supply voltage fluctuation changes the power to the load. To overcome this effect

the voltage supplied to the load is measured and compared with power demand from

controller, the error signal is used to automatically hold the power at demanded level.

1.4 What is a thyristor unit

A thyristor unit is semiconductor device which acts as a switch formed by two thyristors in

antiparallel. 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 mooving 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.

LOAD

Honeywell CD3000M-3PH up to 90A User’s Manual

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2. Technical specifications

2.1 General Features:

Operating temperature 0÷40°C for higher temperature see derating curve

Voltage power supply 24V minimum, 480V max and 600V on request

Input signal SSR

4÷20 mA

0÷10V

potentiometer (10k ohm)

customer configurable with automatic zero/span calibration

Firing mode One of these firing modes can be configured on line via serial port

Zero Crossing (ZC)

Burst Firing (BF)

Auxiliary voltage supply 230V range (230 ±15%) 10VA

460V range (380 –15%) ÷ (460 +15%); 10VA

(sincronized with supply Voltage)

Fan voltage supply 230V range (230 ±15%) 10VA

460V range (380 –15%) ÷ (460 +15%); 10VA

(sincronized with supply Voltage)

Heather break alarm Discrimination better than 20%. Circuit microprocessor based to

diagnose partial or total load failure and short circuit on Thyristors.

Latching alarm plus reset. Relay output 0,5A at 125V

Line Drop Voltage Automatic compensation ±15% of supply voltage with analog input

Mounting Bulk head mounting

Protection IP20

2.2 Input features

Input signal Maximum

current drain Input

Impedance ON condition OFF condition

SSR 5mA constant current ≥4V - max 30V ≤1V

Analog 0÷10V - 8200 ohm

Analog 4÷20mA - 100 ohm

Potentiometer

10K ohm 8200 ohm

User’s Manual CD3000M-3PH up to 90A Honeywell

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2.3 Output features

NA=not Available

Current Voltage

range Ripetitive peak

reverse voltage Latching

current Max peak

one cycle Leakage

current I2T value

thyristor Frequency

range Power

loss Isolation

Voltage

(A) (V) (480V) (600V) (mAeff)

(10msec.)

(A) (mAeff) tp=10msec (Hz) I=Inom

(W) Vac

15 24÷480 1200 1200 150 230 15 610 47÷70 54 2500

30 24÷600 1200 1600 250 600 15 1800 47÷70 108 2500

45 24÷600 1200 1600 250 600 15 1800 47÷70 162 2500

60 24÷600 1200 1600 250 1000 15 4750 47÷70 216 2500

75 24÷600 1200 1600 450 1540 15 11300 47÷70 270 2500

90 24÷600 1200 1600 450 2000 15 19100 47÷70 324 2500

2.4 Derating curve

0.8

0.6

0.4

0.2

040 50 60 70 80

I = I x K

NOMMAX

Honeywell CD3000M-3PH up to 90A User’s Manual

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3. Ordering information

Model CD3000M 3PH

1 2 3 4 5 6 7

CD3000M-3PH

Ex:CD3000M 3PH/ 75A/ 400V

/ 480V

/ 460V

/ SSR/ ZC/ UL

1 Nominal current of CD3000M

15A 60A

30A 75A

45A 90A

2 Operating Load Voltage (incoming voltage supply)

Specify the value of the line supply.

3 Max VOLTAGE of CD3000M

480V

600V

The voltage on the identification label must be equal or more than

operating voltage. The minimum voltage supply to the load is 24V.

4 Auxiliary Voltage

230V 200÷230V ±15%; 10VA

460V 300÷460V ±15%; 10VA

600V 600V ±15%; 10VA (on request)

5 Input

SSR 4÷30VDC

0-10V 0÷10V analog input

4-20mA 4÷20mA analog input

10K pot Potentiometer

6 Firing

ZC Zero Crossing

BF Burst firing. Specify the number on ON cycles at 50% of

power.

7 Options

COMM MODBUS protocol in RS485 is standard

EF External fuses and fuseholders

NF No fuses

CD-KP External Keypad

HB Heater Break Alarm

FAN110 Fan voltage supply 110VAC ±15% (std 230VAC ±15%)

14W 50/60Hz

UL UL Certification

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