Danfoss mcd 3000 ошибка 1 8

The MCD3000 Soft Starters include a range of

protection functions. Faults identified by these systems

are indicated with a trip code on the Local Control

Panel display. The following section of this manual

explains the trip codes and action required.

Procedures for faults not identified with a trip code are

detailed in the General Faults section.

The voltage of the soft starter is

dangerous whenever the equipment is

connected to the mains. Work on the

equipment should be carried out by

qualified personnel. Before performing any

maintenance and repair work, switch off the electrical

supply to the device and observe all safety regulations.

Trip Codes

When a protection function operates the MCD3000

enters a trip state and displays the following data.

•

The trip LED is illuminated

•

The [CODE] LED is illuminated indicating the

display is showing trip code data

ATTENTION

You can view motor temperature as calculated

by the MCD3000 motor thermal model by

using the [+/-] push buttons to scroll the numeric

display between current [AMPS], temperature [TEMP]

and trip code [CODE].

The trip code data is made up of two parts.

MG.15.A2.22 – VLT is a registered Danfoss trademar

MCD3000 Series

The first digit indicates the trip number. (The

MCD3000 has a trip log that records the last eight trip

events, trip number 1 is the most recent trip. Refer to

the next section of the manual for description of the

Trip Log).

The second digit indicates the cause of the trip

Code

Cause & Action

Shorted SCR trip.

0

The MCD3000 has detected a shorted

SCR.

•

Test the MCD3000 SCRs using the

Power Circuit Test described in the

Test and measurement procedures

chapter later in this section of the

manual.

•

A shorted SCR trip can only be

reset by removing control voltage.

Excess start time trip.

1

The start time has exceed the maximum

limit programmed in Par. 10 Excess

Start Time Protection.

•

Identify and remedy why the motor

is taking longer than normal to

accelerate.

•

Reset the MCD3000

•

Restart the motor.

Overcurrent trip.

2

The motor has experienced an overload

condition that exceeded its thermal

capability as programmed in Par. 6

Motor Thermal Capacity.

•

Identify and correct the cause of the

overload.

•

Wait for the motor to cool

sufficiently to allow a restart.

•

Reset the MCD3000.

•

Restart the motor.

In an emergency situation where it is

critical to immediately restart the motor

and overload protection of the motor is

a secondary concern, the MCD3000

overload protection can be reset by

temporarily removing control supply

voltage.

41

MCD3000 Series

MG.15.A2.22 – VLT is a registered Danfoss trademar

1

Contents

Section 0.0

■

Warnings

…………………………..………………………. 3

Section 1.0

■

Quick Set-up

…………………………..………………… 4

Section 2.0

■

Description

…………………………..…………………… 5

Section 3.0

■

Installation

3.1

Mechanical Installation …………………………..….. 7

3.2 Ventilation …………………………..…………………… 7

3.3 General Layout …………………………..……………. 8

3.4 Power Wiring — Standard Connection ……………. 8

3.5 Power Wiring — Bypass Connection ………………. 8

3.6 Power Wiring — D.C.Brake Connection ………….. 9

3.7 Control Supply Voltage …………………………..…. 9

3.8 Control Wiring …………………………..……………. 10

3.9 Motor Thermistors …………………………..……… 10

3.10 Control Circuit Examples ………………………… 11

3.11 Serial Communications ………………………….. 13

Section 4.0

■

Programming

4.1

Programming Procedure ………………………….. 16

4.2 Programmable Functions …………………………. 17

Section 5.0

■

Operation

5.1

Local Control Panel …………………………..…….. 28

5.2 Remote Control …………………………..…………. 29

5.3 Serial Communications ………………………….... 29

5.4 Restart Delay …………………………..…………….. 29

5.5 Secondary Parameter Set ………………………… 29

5.6 Motor Thermal Model …………………………..….. 29

5.7 Pre-start Tests …………………………..…………… 29

5.8 Operation After Power Loss ……………………… 29

Section 6.0

■

Specifications

6.1

General Technical Data ………………………….... 30

6.2 Current Ratings …………………………..………….. 31

6.3 Power Termination Details ……………………….. 32

6.4 Semi-conductor Fuses …………………………..… 32

6.5 Dimensions/Weights …………………………..…… 33

Section 7.0

■

Design Guide

7.1

Reduced Voltage Starting ………………………… 34

7.2 Types Of Soft Start Control ………………………. 35

7.3

MCD3000 Control Principles …………………….. 35

7.4 Understanding Soft Starter Ratings ……………. 36

7.5 Model Selection …………………………..…………. 36

7.6 Typical Applications …………………………..……. 38

7.7 Power Factor Correction ………………………….. 39

7.8 Line Contactors …………………………..…………. 39

7.9 Soft Braking …………………………..………………. 39

Section 8.0

■

Fault Procedure

8.1

Trip Codes …………………………..………………… 41

Specifications: 950/950684-mcd3000_series.pdf file (05 Mar 2023)

Accompanying Data:

Danfoss MCD3000 Series Controller PDF Manual  (Updated: Sunday 5th of March 2023 06:57:38 PM)

Rating: 4.8 (rated by 31 users)

Compatible devices: AVT/VG, AK-PC 772A, AME 130, VLT AutomationDrive FC 302, DEVIreg Multi, EFIT 850, Link CC, EKC 102C.

Recommended Documentation:

Text Version of Danfoss MCD3000 Series Manual 

(Ocr-Read Summary of Contents, UPD: 05 March 2023)

• Danfoss MCD3000 Series User Manual

• Danfoss MCD3000 Series User Guide

• Danfoss MCD3000 Series PDF Manual

• Danfoss MCD3000 Series Owner’s Manuals

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