丹佛斯VLT2800变频器英文操作指南：安装与编程详解

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丹佛斯变频器VLT2800英文操作手册是一份详细的用户指南，旨在帮助用户理解和操作这种高性能变频器。该手册包括了多个关键部分，确保了安装、配置和日常使用的安全性和效率。 1. **快速设置** (QuickSetup): 在手册的开端，用户可以找到快速入门步骤，这通常涵盖了初次安装和基本参数设置的简明指南，旨在使新用户能够迅速熟悉设备。 2. **通用警告** (Generalwarning): 这部分强调了操作过程中需要注意的安全事项，包括防止意外启动、电压安全警告等，确保用户在处理变频器时遵循必要的预防措施。 3. **机械安装** (MechanicalInstallation) 和 **电气安装**: 提供了关于变频器硬件安装的详细指导，包括电源连接、控制电缆布线以及安全装置如安全钳和预熔断器的安装说明。 4. **编程** (Programming): 操作手册涵盖了编程方法，包括手动初始化、手自动模式切换、自动电机调谐等内容，帮助用户根据具体应用调整变频器的工作模式。 5. **电机启动** (Motorstart): 介绍了启动策略和注意事项，可能涉及到软启动、硬启动的不同选择，以及如何避免对电机造成过大的冲击。 6. **安全规定** (Safetyregulations) 和 **警告**: 重申了安全规则，再次提醒用户遵守，特别是防止意外启动的警告，以保障人员和设备的安全。 7. **VLT2800简介** (IntroductiontoVLT2800): 简述了变频器的主要特性、软件版本和其在工业环境中的应用优势。 8. **操作与显示** (Operation&Display): 详细解释了变频器的界面功能，包括如何查看和解读显示屏上的数据，以及如何通过操作进行实时监控和调整。 9. **负载和电机** (LoadandMotor): 部分内容讨论了变频器如何适应不同负载和电机条件，可能涉及电机功率管理、效率优化等。 10. **参考与限制** (References&Limits): 提供了技术规格和性能参数，以便用户了解设备的最大工作范围和限制条件。 11. **输入和输出** (Inputsandoutputs): 介绍了变频器的输入接口（如电压、频率控制）和输出端子的功能，对于连接外部设备至关重要。 12. **特殊功能** (Specialfunctions): 详细介绍了VLT2800系列特有的高级功能，如增强睡眠模式，旨在提高能源效率和系统运行稳定性。 13. **安装** (Installation): 包括机械尺寸信息和整个安装过程的详细步骤，确保设备稳固且符合电磁兼容性标准。丹佛斯VLT2800英文操作手册是技术人员和维护人员的必备参考资料，它全面地覆盖了变频器的各个方面，从初次安装到日常操作和故障排查，确保了用户在使用过程中能高效且安全地操作。

018 Lock for data changes

(DATA CHANGE LOCK)

Value:

Not locked (NOT LOCKED) [0]

Locked (LOCKED) [1]

Function:

In this parameter, it is possible to 'lock' the controls to

disable data changes via the control keys.

Description of choice:

If Locked [1] is selected, data changes in the parame-

ters cannot be made; however, it will still be possible

to make data changes via serial communication. Pa-

rameter 009-012 Display readout can be changed via

the control panel.

019

Operating mode at power-up, local op-

eration

(POWER UP ACTION)

Value:

Auto restart, use saved reference

(AUTO RESTART) [0]

Forced stop, use saved reference

(LOCAL=STOP) [1]

Forced stop, set ref. to 0

(LOCAL=STOP, REF=0) [2]

Function:

Setting of the required operating mode when the mains

voltage is engaged. This function can only be active if

Local operation [1] has been selected in parameter

002 Local/remote operation.

Description of choice:

Auto restart, use saved ref. [0] is selected if the fre-

quency converter is to start using the local reference

(set in parameter 003 Local reference) and the start/

stop state given via the control keys immediately prior

to the mains voltage being cut out.

Forced stop, use saved ref. [1] is selected if the fre-

quency converter is to remain stopped when the mains

voltage is engaged, until the [START]-key is activated.

After a start command the motor speed is ramped up

to the saved reference in parameter 003 Local refer-

ence.

Forced stop, set ref. to 0 [2] is selected if the frequency

converter is to remain stopped when the mains voltage

is cut back in. Parameter 003 Local reference is to be

zeroed.

NB!

In remote operation (parameter 002 Lo-

cal/remote operation) the start/stop state

at the time of mains connection will de-

pend on the external control signals. If

Pulse start [8] is selected in parameter 302

Digital input, the motor will remain stopped

after mains connection.

020 Hand operation

(HAND OPERATION)

Value:

Not active (DISABLE) [0]

Active (ENABLE) [1]

Function:

In this parameter you can select whether it should be

possible or not to switch between Auto- and Hand

mode. In Auto mode the frequency converter is con-

trolled by external signals whereas the frequency con-

verter in Hand mode is controlled via a local reference

directly from the control unit.

Description of choice:

If Not active [0] is selected in this parameter, the Hand

mode function will be inactive. If Active [1] is selected

you can switch between Auto- and Hand mode. For

further information, see the Control Unit section.

024 Userdefined Quick Menu

(user quickmenu)

Value:

Not active (Disable) [0]

Active (Enable) [1]

Function:

In this parameter you can select the standard setup of

the Quick menu key on the control panel and the LCP

2 control panel.

Using this function, in parameter 025 Quick Menu set-

up the user can select up to 20 parameters for the

Quick Menu key.

Description of choice:

If not active [0] is selected, the standard setup of the

Quick Menu key is active.

VLT

2800 Series

= factory setting, () = display text, [] = value for use in communication via serial communication port

16 MG.27.A2.02 - VLT

is a registered Danfoss trademark

Load and Motor

100 Configuration

(Configuration)

Value:

Speed control, open loop

(SPEED OPEN LOOP) [0]

Speed control, closed loop

(SPEED CLOSED LOOP) [1]

Process control, closed loop

(PROCESS CLOSED LOOP) [3]

Function:

This parameter is used to select the configuration to

which the frequency converter is to be adapted. This

makes adaptation to a given application simple, since

the parameters not used in a given configuration are

hidden (not active).

Description of choice:

If Speed control, open loop [0] is selected, normal

speed control is obtained (without feedback signal)

with automatic load and slip compensation to ensure

a constant speed at varying loads. Compensations are

active, but may be disabled in parameter 134 Load

compensation and parameter 136 Slip compensation

as required.

If Speed control, closed loop [1] is selected, better

speed accuracy is obtained. A feedback signal must

be added, and the PID regulator must be set in pa-

rameter group 400 Special functions.

If Process control, closed loop [3] is selected, the in-

ternal process regulator is activated to enable precise

control of a process in relation to a given process sig-

nal. The process signal can be set to the relevant

process unit or as a percentage. A feedback signal

must be added from the process and the process reg-

ulator must be set in parameter group 400 Special

functions. Process closed loop is not active if a Devi-

ceNet card is mounted and Instance 20/70 or 21/71 is

chosen in parameter 904 Instance types.

101 Torque characteristic

(TORQUE CHARACT)

Value:

Constant torque

(Constant torque) [1]

Variable torque low

(torque: low) [2]

Variable torque medium

(torque: med) [3]

Variable torque high

(torque: high) [4]

Variable torque low with CT start

(VT LOW CT START) [5]

Variable torque medium with CT start

(VT MED CT START) [6]

Variable torque high with CT start

(VT HIGH CT START) [7]

Special motor mode

(Special motor mode) [8]

CT = Constant torque

Function:

This parameter enables a choice of principle for adap-

tation of the U/f ratio of the frequency converter to the

torque characteristic of the load. See par. 135 U/f ratio.

Description of choice:

If Constant torque [1] is selected, a load-dependent U/

f characteristic is obtained, in which output voltage and

output frequency are increased at increasing loads in

order to maintain constant magnetization of the motor.

Select Variable torque low [2], Variable torque medium

[3] or Variable torque high [4], if the load is square (cen-

trifugal pumps, fans).

Variable torque - low with CT start [5], - medium with

CT start [6] or high with CT start [7], are selected if you

need a greater breakaway torque than can be ach-

ieved with the three first characteristics.

NB!

Load and slip compensation are not active

if variable torque or special motor mode

have been selected.

VLT

2800 Series

= factory setting, () = display text, [] = value for use in communication via serial communication port

18 MG.27.A2.02 - VLT

is a registered Danfoss trademark

Select Special motor mode [8], if a special U/f setting

is needed that is to be adapted to the present motor.

The break points are set in parameters 423-428 Volt-

age/frequency .

NB!

Please note that if a value set in the name-

plate parameters 102-106 is changed,

there will be an automatic change of pa-

rameter 108 Stator resistance and 109

Stator reactance.

102

Motor power P

M,N

(motor power)

Value:

0.25 - 22 kW

Depends on unit

Function:

Here you must set a power value [kW] P

M,N

, corre-

sponding to the motor's rated power. The factory sets

a rated power value [kW] P

M,N

, that depends on the

type of unit.

Description of choice:

Set a value that matches the nameplate data on the

motor. Settings between one size below and one size

over the factory setting are possible.

103

Motor voltage U

M,N

(MOTOR VOLTAGE)

Value:

For 200 V units: 50 - 999 V

230 V

For 400 V units: 50 - 999 V

400 V

Function:

This is where to set the rated motor voltage U

M,N

for

either star Y or delta Δ.

Description of choice:

Select a value that corresponds to the nameplate data

on the motor, regardless of the frequency converter's

mains voltage.

104

Motor frequency f

M,N

(MOTOR FREQUENCY)

Value:

24-1000 Hz

50 Hz

Function:

This is where to select the rated motor frequency

M,N

Description of choice:

Select a value that corresponds to the nameplate data

on the motor.

105

Motor current I

M,N

(MOTOR CURRENT)

Value:

0,01 - I

MAX

Depends on choice of motor

Function:

The nominal, rated current of the motor I

M,N

forms part

of the frequency converter calculation of features such

as torque and motor thermal protection.

Description of choice:

Set a value that corresponds to the nameplate data on

the motor. Set the motor current I

M,N

taking into ac-

count whether the motor is star-connected Y or delta-

connected Δ.

106 Rated motor speed

(MOTOR NOM. SPEED)

Value:

100 - f

M,N

x 60 (max.

60000 rpm)

Depends on parame-

ter 104 Motor frequency,

M,N

Function:

This is where to set the value that corresponds to the

rated motor speed n

M,N

that can be seen from the

nameplate data.

Description of choice:

Select a value that corresponds to the nameplate data

on the motor.

VLT

2800 Series

= factory setting, () = display text, [] = value for use in communication via serial communication port

MG.27.A2.02 - VLT

is a registered Danfoss trademark 19

Programming

NB!

The max. value equals f

M,N

x 60. f

M,N

to be

set in parameter 104 Motor frequency,

M,N

107 Automatic motor tuning, AMT

(auto motor tun.)

Value:

Optimisation off (AMT off) [0]

Optimisation on (AMT start) [2]

Function:

NB!

AMT is not possible on VLT 2880-82.

Automatic motor tuning is an algorithm that measures

stator resistance R

without the motor axle turning.

This means that the motor is not delivering any torque.

AMT can be used with benefit when initialising units

where the user wishes to optimise adjustment of the

frequency converter to the motor being used. This is

used in particular when the factory setting does not

sufficiently cover the motor.

For the best possible tuning of the frequency converter

it is recommended that AMT is performed on a cold

motor. It should be noted that repeated AMT runs can

cause heating of the motor, resulting in an increase in

the stator resistance R

. As a rule, however, this is not

critical.

AMT is performed as follows:

Start AMT:

1. Give a STOP signal.

Parameter 107 Automatic motor tuning is set

at value [2] Optimisation on.

A START signal is given and parameter 107

Automatic motor tuning is reset to [0] when

AMT has been completed.

Complete AMT:

AMT is completed by giving a RESET signal. Param-

eter 108 Stator resistance, Rs is updated with the

optimised value.

Interrupting AMT:

AMT can be interrupted during the optimisation pro-

cedure by giving a STOP signal.

When using the AMT function the following points

should be observed:

For AMT to be able to define the motor pa-

rameters as well as possible, the correct type

plate data for the motor connected to the fre-

quency converter must be keyed into param-

eters 102 to 106.

Alarms will appear in the display if faults arise

during tuning of the motor.

As a rule the AMT function will be able to

measure the R

values for motors that are 1-2

times larger or smaller than the frequency

converter's nominal size.

If you wish to interrupt automatic motor tun-

ing, press the [STOP/RESET] key.

NB!

AMT may not be performed on motors

connected in parallel, nor may setup

changes be made while AMT is running.

The procedure for AMT controlled from

the SLCP:

See section entitled Control unit.

Description of choice:

Select Optimisation on [2] if you want the frequency

converter to perform automatic motor tuning.

108

Stator resistance R

(STATOR RESISTAN)

Value:

0.000 - X.XXX Ω

Depends on choice of motor

Function:

After setting of parameters 102-106 Nameplate data, a

number of adjustments of various parameters is car-

ried out automatically, including stator resistance R

A manually entered R

must apply to a cold motor. The

shaft performance can be improved by fine-tuning R

and X

, see procedure below.

NB!

Parameters 108 Stator resistance R

and

109 Stator reactance X

are normally not

to be changed if nameplate data has been

set.

Description of choice:

can be set as follows:

VLT

2800 Series

= factory setting, () = display text, [] = value for use in communication via serial communication port

20 MG.27.A2.02 - VLT

is a registered Danfoss trademark

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