DORNA TECHNOLOGY DLA1 Series, DLA1-0D75S2G, DLA1-0D40S2G, DLA1-01D5T4G, DLA1-0D75T4G User Manual

...

Download

DORNA TECHNOLOGY CO., LTD

DLA1 Series Inverter

User Manual (V2.0)

Table of Contents

1 Summary ....................................................................................................... 4

1.1 Name plate .......................................................................................................... 4

1.2 Product series ...................................................................................................... 5

1.3 Technical standards ............................................................................................. 6

1.4 Peripheral Electrical Devices and System Configuration ..................................... 8

1.5 Product outline and installation dimensions ....................................................... 9

1.5.1 Product outlines (unit: mm) ................................................................................... 9

1.5.2 Production dimension table ................................................................................. 10

2 Wirings ........................................................................................................ 11

2.1 Standard wiring diagrams .................................................................................. 11

2.2 Main circuit wirings ........................................................................................... 12

2.3 Control circuit wirings ........................................................................................ 13

2.3.1 Control circuit signals ........................................................................................... 13

2.3.2 Control circuit wiring notes .................................................................................. 14

2.3.3 Control circuit jumpers ......................................................................................... 15

3 Panel operations ...................................................................................... 16

3.1 Keyboard interface ............................................................................................ 16

3.2 Parameter setting example ............................................................................... 17

3.3 Motor parameter auto-tuning ........................................................................... 17

3.4 JOG run .............................................................................................................. 18

4 Function codes (Parameters) .................................................................... 19

4.1 Monitoring parameters: d0.00-d0.65 ................................................................ 19

4.2 Basic functions group: P0.00-P0.28 ................................................................... 22

4.3 First motor parameters: P1.00-P1.37 ................................................................ 29

4.4 Vector control parameters: P3.00-P3.22 ........................................................... 31

4.5 V/F control parameters: P2.00-P2.27 ................................................................ 31

4.6 Input terminals: P4.00-P4.39 ............................................................................. 37

4.7 Output terminals: P5.00-P5.22 .......................................................................... 46

4.8 Start/stop control: P6.00-P6.15 ......................................................................... 50

4.9 Keyboard and display: P7.00-P7.14 ................................................................... 54

4.10 Auxiliary functions: P8.00-P8.54 ...................................................................... 57

4.11 Fault and protection: P9.00-P9.73 ................................................................... 64

4.12 PID functions: PA.00-PA.28 .............................................................................. 74

4.13 Swing Frequency, Fixed Length and Count: PB.00-PB.09 ................................ 78

4.14 Multi-speed and simple PLC: PC.00-PC.51 ....................................................... 80

4.15 Communication parameters: PD.00-PD.06 ...................................................... 84

4.16 Function code management: PP.00-PP.04....................................................... 85

4.17 Torque control parameters: B0.00-B0.08 ........................................................ 86

4.18 Control optimization parameters: B5.00-B5.09 ............................................... 87

5 Fault and solutions ...................................................................................... 89

5.1 Alarms and solutions ......................................................................................... 89

5.2 Other fault and solutions ................................................................................... 94

6 Repair and maintenance ............................................................................. 96

6.1 Routine maintenance ........................................................................................ 96

6.2 Replacement of vulnerable components ........................................................... 96

7 MODBUS communication protocol .............................................................. 97

7.1 Communication protocol ................................................................................... 97

7.2 Verification mode ............................................................................................ 100

7.3 Communication addresses .............................................................................. 101

Appendix I: Brake accessories ...................................................................... 105

Safety Precautions

Please pay close attention to all safety-related information in this user manual; otherwise there may be fatal consequences. Please note the manufacturer shall bear no liabilities to damages of any sorts

resulting from false operations which is not following this user manual.

Warning ---- potential risks. Fatality may be caused if not avoided.

 Attentions – please follow these instructions when using the inverter.

 Do not do wiring operations at power on;  Only qualified electrical engineers can install & maintain the inverter;  Power on the inverter only after the covers have been put back on. Do not remove the cover during

power on;

 Please wait at least 10 minutes after power of to remove the cover; so as to let DC bus capacitors to

fully discharge;

 Please make sure the rated input voltage is compatible with the power supply voltage. Otherwise, there

may be risks of fire;

 Please do not operate the inverter with wet hands. The inverter has many semiconductor components

inside;

 The inverter is not designed for voltage-withstanding tests;  Do not alter the inverter;  Do not install or use any inverter which is already broken or with faulty parts.

 Attentions – when scrapping the inverter.

 Electrolytic capacitors on the PCBs of the inverters may explode if incinerated;  Poisonous gas may emit if incinerated;  Please dispose scrapped inverters as industrial waste.

WARNING

 Risk of electric shock!  Wait at least 10 minutes after power off to remove the cover.  Read the user manual and follow the safety instructions before use.

-2-

Quick installation guide

Flowchart for installation & maintenance:

Tasks

Main circuit wiring.

Control circuit wiring.

Inverter JOG run.

Chapter 5

Chapter 3.3

Chapter 2.6

Chapter 2.5

References

Get familiar with panel

operations.

Chapter 3

Check installations

Chapter 2.4

Remove the packaging and

check inverter model.

Check environment and input/

output cables.

Confirm inverter capacity is

compatible with motor.

Fault & solutions

Chapter 1

-3-

 Attention: please follow inverter installation location requirements strictly.

Environmental requirements for installation of inverters:

Temperature

-10°C to +40°C (derate 1% for every °C if the ambient temperature is between

40°C and 50°C)

Altitude

Less than 1000m (derate 10% for every 1000m if the altitude is above 1000m)

Other

requirements

 Please install the inverter in a place which is not inclining to fierce shocks

or vibrations. Maximum vibration is 5.8m/s

(0.6g);

 Please install the inverter in a place which is far from electromagnetic

radiations;

 Please install the inverter in a place where metal dust, normal dust, oil, or

water is hard to enter inside the inverter;

 Please do not install the inverter in a place which is exposed to direct

sunlight, with combustible gas, oil smoke, vapor, drip or salt;

 Humidity should be Less than 90%RH, without condensing.

Spacing for inverter installations:

-4-

1 Summary

1.1 Name plate

Model

Power

Input power

Output

MODEL： DLA1-02D2T4G

POWER ： 2.2kW

INPUT： AC3PH 380V 50Hz/60Hz 6A OUTPUT： AC3PH 0～380V 0～30 0Hz 5A S/N：

Dorna Technology CO.,ltd

Barcode

T：Three phase S：Single phase

Inverter series

DLA 1-0D75 T 4 G

Inverter capacity

G: general-purpose P: Light load

Rated input voltage： 2：220V 4：380V 7：660V/690V

Plant code

【1】

【2】

【3】

【6】

【5】

【4】

-5-

1.2 Product series

Inverter model

Rated output

power (kW)

Rated input current

(A)

Rated output

current (A)

Single Phase input: AC 220V -15%~+10%, 50/60Hz

DLA1-0D40S2G

0.4

5.9

2.5

DLA1-0D75S2G

0.75

8.3

DLA1-01D5S2G

1.5

14.1

DLA1-02D2S2G

2.2

11.8

Three phase input: AC 380V -15%~+10%, 50/60Hz

DLA1-0D75T4G

0.75

4.3

2.5

DLA1-01D5T4G

1.5

5.2

3.7

DLA1-02D2T4G

2.2

6.0

DLA1-0004T4G

4.0

10.5

8.5

DLA1-05D5T4G

5.5

15.5

-6-

1.3 Technical standards

Item

Specifications

Basic functions

Control system

Current Vector General Purpose Inverter.

Compatible motor

Induction motors.

Maximum

frequency

Vector control: 0~500Hz; V/F control: 0~500Hz.

Carrier frequency

0.8kHz~12kHz; Depending on load, can automatically adjust.

Input resolution

Digital: 0.01Hz;

Analog: maximum frequency×0.025%.

Control modes

Open vector control (SVC); V/F (scalar) control.

Starting torque

G type: 0.5Hz/150% (SVC); 0Hz/180% (FVC). P type: 0.5Hz/100%.

Speed range

1: 100 (SVC)

1: 1000 (FVC)

Speed accuracy

±0.5% (SVC)

±0.02% (FVC)

Torque accuracy

±5% (FVC)

Overload capacity

G type: 150% rated current 60s; 180% rated current 3s; P type: 120% rated current 60s; 150% rated current 3s.

Torque boost

Automatic

Manual 0.1%~30.0%

V/F curve

 Straight-line V/F curve  Multi-point V/F curve  N-power V/F curve (2-power, 1.4-power, 1.6-power, 1.8-

power, 2-power square)

V/F separation

Two types: complete separation; half separation. AVR output.

Ramp mode

 Straight-line ramp  S-curve ramp

Four groups of acceleration/deceleration time: 0.0–6500.0s

DC braking

DC braking frequency: 0.00 Hz to maximum frequency Braking time: 0.0–36.0s Braking action current value: 0.0%–100.0%

JOG control

JOG frequency range: 0.00–50.00 Hz JOG acceleration/deceleration time: 0.0–6500.0s

Simple PLC

Up to 16 speeds via the simple PLC function or DI terminals

Onboard PID

Process-controlled closed loop control system

Auto voltage regulation (VR)

Keep constant output voltage automatically when grid voltage

fluctuates.

Overvoltage/ Overcurrent stall control

The current and voltage are limited automatically during the running process so as to avoid frequent tripping due to

overvoltage/overcurrent.

Fast current limit

function

Protect inverter from overcurrent malfunctions.

Torque limit and control

It can limit the torque automatically and prevent frequent over current tripping during the running process. Torque control can be

implemented in the FVC mode.

Power dip ride through

The regenerative energy from load compensates the voltage

reduction so that the inverter can continue to run for a short time.

Timing control

Time range: 0.0–6500.0 minutes

-7-

Two-motor switchover

Two motors can be switched over via two groups of motor

parameters.

Fieldbuses

RS485

Operations

Command source

 Keyboard  Control terminals  Serial communication port

You can perform switchover between these sources in various ways.

Frequency source

10 frequency sources, such as digital setting, analog voltage setting, analog current setting, pulse setting and serial communication port setting. You can perform switchover between these sources in

various ways.

Auxiliary frequency source

10 auxiliary frequency sources. It can implement fine tuning of

auxiliary frequency and frequency synthesis.

Input terminal

5 digital input (DI) terminals;

2 analog input (AI) terminals which support 0–10V voltage input or

0–20mA current input.

Output terminal

1 digital output (DO) terminal; 1 relay output terminal;

1 analog output (AO) terminals which support 0–20mA current

output or 0–10V voltage.

Display and

Key lock

It can lock the keys partially or completely and define the function

range of some keys so as to prevent misconducts.

Protection

functions

Motor short-circuit detection at power-on, input/output phase loss protection, overcurrent protection, overvoltage protection, under

voltage protection, overheat protection and overload protection

Environment

Location

Indoor, free from direct sunlight, dust, corrosive gas, combustible

gas, oil smoke, vapor, drip or salt.

Altitude

Less than 1000m.

Ambient temperature

-10°C to +40°C (de-rated if the ambient temperature is between

40°C and 50°C)

Humidity

Less than 90%RH, without condensing

Vibration

Less than 5.8m/s

(0.6g).

Storage temperature

-20℃~+60℃.

-8-

1.4 Peripheral Electrical Devices and System Configuration

Grounding

Circuit

braker

Motor

DC reactor

EMC

filter

Grounding

reactor

Inverter

EMC

filter

Contactor

AC reactor

Power

Brake

resistor

Brake

unit

-9-

1.5 Product outline and installation dimensions

1.5.1 Product outlines (unit: mm)

-10-

1.5.2 Production dimension table

Model

Dimensions

Holes (mm)

Net

(Kg)

Gross

(Kg)

(mm)

DLA1-0D40S2G DLA1-0D75S2G DLA1-01D5S2G

136.5

142

79.5

112.5

122.5

DLA1-0D75T4G

DLA1-01D5T4P

145.5

151

100

94.5

116.5

126.5

DLA1-01D5T4G

DLA1-02D2T4P

DLA1-02D2T4G

DLA1-03D7T4P

DLA1-03D7T4G

DLA1-05D5T4P

DLA1-05D5T4G

DLA1-07D5T4P

-11-

2 Wirings

2.1 Standard wiring diagrams

P+P-

R S T

Input power

Brake resistor

TA1

TB1

TC1

+24

DI1 DI2 DI3

DI4 DI6

COM

P4.00=1 FWD P4.01=4 FJOG

P4.02=9 RESET

P4.03=12 Speed 1

P4.05=2 REV

NPN (default)

GND

AI1

+10V

VR 1K

Default: 0-10V input

GND

AI2

+10V

VR 1K

GND

Motor

Main circuit

Control circuit

DO1 COM

GND

P5.07=0

0-10V Max load current: 5mA

0-20mA Max load resistance: 250Ω

Circuit

breaker

RS485

GND

RS+ RS-

Shielding

DLA1

-12-

2.2 Main circuit wirings

 380V class:

R S T

U V W

P+

Terminals

Functions

R、S、T

Input power

P+、PB

External brake resistor

U、V、W

Output power

GND

 220V class

P+ U V

Terminals

Functions

L1、L2

Input power

P+、PB

External brake resistor

U、V、W

Output power

GND

-13-

2.3 Control circuit wirings

2.3.1 Control circuit signals

TC1

TB1

TA1

AGND

AI1

AI2

AO1

+10V

COM

DO1

DI1

DI2

DI3

DI4

DI6

Type

Terminal

Name

Function

Specifications

Input

Digital

DI1

Input terminal X1

Default: Forward run (FWD)

Opti-coupler

insulation DC24V/8mA

External power voltage range: 9～

30V. DI5 pulse input range: 0～

100kHz.

DI2

Input terminal X2

Default: Forward JOG (FJOG)

DI3

Input terminal X3

Default: Fault reset (RESET)

DI4

Input terminal X4

Default: Multi-speed terminal 1

DI6

Input terminal X6

Default: Reverse run (REV)

Input terminal

common

Default: +24V short-circuit

with SP by Jumper J9

Analog

10V

Analog 10V

Power

Output capacity: 10mA or

below, 1kΩ~5kΩ

0～20mA input:

input impedance is

500 ohms.

0～10V input:

input impedance is

20K ohms.

AI1

Analog setting 1

Default: 0～10V (resolution1/1000)

AI2

Analog setting 2

Default: 0～20mA (resolution1/1000)

AGND

Analog common

Output

Relay

TA1

A node output

Default setting: stop fault

during operation TA1—TC1: normally open TB1—TC1: normally close

Node capacity: AC250V, 3A.

TB1

B node output

TC1

Node output

common terminal

Digital

DO1

Open collector

output 1

Default: inverter in operation

Below DC24V,

50mA.

COM

Digital common

Analog

AO1

Analog monitor

output 1

Voltage or current output; Default: output frequency

Output voltage

range: 0～10V;

Output current

range: 0～20mA.

AGND

Analog common

-14-

2.3.2 Control circuit wiring notes

 Analog input wirings

As analog signals can be easily affected by external interference, shielded cables shall be used. Cables shall be as short as possible and not exceeding 20 meters. As shown in graphs below, in some severe

circumstances, filter capacitor or ferrite bread shall be used in analog signal side.

 Digital input wirings

Shielded cables shall be used. Cables shall be as short as possible and not exceeding 20 meters. When using active drive mode, user shall take necessary filter measures to counter power interference. It is

recommended to use node control mode. Digital inputs can be NPN or PNP.

NPN input: Most common. Use internal 24V power; +24V terminal shortcircuit with SP terminal; COM terminal is common; J9 is 23 jumped; also known

as drain wiring mode.

+10V

GND

AI1

DLA1

Potentiometer

Less than 20m

DLA1

AI1

GND

0.022uF 50V

Ferrite bread

External

analog source

NPN

信号

COM

4.7K

D15

D11

+24V

+VCC

3.3Ω

External

controller

Inverter

-15-

PNP input: Use external 24V power;

external power negative node is

connected with SP terminal; external

terminal positive node is common;

external power voltage range is 9~30V;

J9 is 12 jumped; also known as source

wiring mode.

 Output wirings

Digital output is open collector output. When using external power, please connect external power

negative node to COM terminal. Maximum current is 50mA for open collector output. If external load is

relay, please install fly-wheel diode to both ends of the relay.

Note: please install fly-wheel diode

polar correctly, otherwise internal

components will be damaged.

2.3.3 Control circuit jumpers

J5: RS485 matching resistor selection J1: AO1 output selection

Not use

Use 120

resistor

0-10V

0-20mA

PNP

信号

COM

4.7K

D15

D11

+24V

+VCC

3.3Ω

External

controller

Inverter

9-30V

Relay

Fly-wheel

diode

+24V

DO1

DO2

CME

Max current: 50mA

Inverter

COM

-16-

3 Panel operations

3.1 Keyboard interface

Keyboard outline is as below:

Keys/Lights

Function

Descriptions

DIR (light)

Rotating direction

status

ON: FWD OFF: REV

RUN (light)

Operation status

ON: RUN OFF: STOP

LOCAL (light)

Command source

status

ON: terminal control OFF: keyboard control BLINK: remote (communicational) control

TUNE/TC (light)

Tune/fault

ON: in torque control mode SLOW BLINK: in tuning status FAST BLINK: in fault status

Hz A V

RPM (Hz+A)

％ (A+V)

(lights)

Unit indications

* Hz: frequency unit *A: current unit *V: voltage unit *RPM (Hz+A): speed unit *％ (A+V): percentage

Digital display area

Display settings, output frequency, monitor data, fault etc.

MON/ESC

Program key: Enter level 1 menu or escape

Shit key: Select parameter or select place for editing.

DATA/ENTER

Confirm key: Confirm parameters

▲

Increase key

▼

Decrease key

DIR/JOG

Multi-function selection key: Function switching set by P7.01.

RUN

Operation key: Start operation in keyboard operation mode.

STOP/RESET

STOP/RESET key: Set by P7.02

-17-

3.2 Parameter setting example

DLA1 inverter panel has a three-level structure: function code group (level 1menu) → function code

(level 2 menu) → function code setting (level 3 menu).

Example: Change P2.02 from 10.00Hz to15.00Hz, as shown in graph below:

Parameter monitoring: please refer to P7.03, P7.04, P7.05 for parameter monitoring settings.

Password setting: when PP.00 is not 0, inverter is under password protection. The password is as

shown in PP.00. To cancel password protection, user must enter the correct password and set PP.00=0.

3.3 Motor parameter auto-tuning

1) Set P0.02=0 (keyboard as command source channel)

2) Input motor parameters:

Motor selection

Parameters

Motor 1

P1.00: motor type selection; P1.01: rated power P1.02: rated voltage; P1.03: rated current P1.04: rated frequency; P1.05: rated speed

3) If (asynchronous) motor can separate from load, set P1.37=2 (asynchronous motor complete

auto-tuning) and press RUN key. The inverter will automatically calculate parameters below:

Motor selection

Parameters

Motor 1

P1.06: asynchronous motor stator resistor P1.07: asynchronous motor rotor resistor

P1.08: asynchronous motor leakage inductance

P1.09: asynchronous motor mutual inductance P1.10: asynchronous motor no load current

4) If (asynchronous) motor cannot separate from load, set P1.37=1 and press RUN key.

5) Finish auto-tuning.

-18-

3.4 JOG run

DLA1 series default setting value

Parameter

Default value

P0.01 0 Sensorless vector control (SVC)

P0.02

Keyboard command channel (LED OFF)

P0.03

Keyboard setting frequency (P0.08, UP/DOWN

can edit, not retentive at power of)

After correctly set motor parameter P1.00-P1.05 and auto-tuning, user can control motor operation

using keyboard DIR/JOG.

- 19 -

4 Function codes (Parameters)

Legends: “★”: this parameter’s setting value is not editable when inverter is at operation status;

“●”: this parameter’s value is observed value, not editable; “☆”: this parameter’s setting value is editable when inverter is at stop or operation status;

“▲”: this parameter is “factory parameter” not for editing; “-”: this parameter is depending on model. Def: factory default settings Res: restrictions when editing

4.1 Monitoring parameters: d0.00-d0.65

d0 group is used for monitoring inverter status. User can read by panel display or by remote communications.

d0.00~d0.31 are defined by P7.03 & P7.04.

Function code

Name

Unit

d0.00

Running frequency (Hz)

0.01Hz

Absolute value of theoretical running frequency.

d0.01

Set frequency (Hz)

0.01Hz

Absolute value of theoretical set frequency.

d0.02

DC Bus voltage (V)

0.1V

Detected value of DC bus voltage

d0.03

Output voltage (V)

Actual value of inverter output voltage.

d0.04

Output current (A)

0.01A

Effective value of inverter output current.

d0.05

Output power (kW)

0.1kW

Value of inverter output power.

d0.06

Output torque (%)

0.1%

Value of inverter output torque percentage.

d0.07

DI input status

This displays the current state of DI terminals and the value is hexadecimal. Each bit corresponds to a DI. "1" indicates high level signal, and "0" indicates low level signal. The corresponding

relationship between bits and DIs is described in the following table.

0~14 place

Input terminal status

invalid

valid

-20-

d0.08

DO output status

This displays the current state of DO terminals and the value is hexadecimal. Each bit corresponds to a DO. "1" indicates high level signal, and "0" indicates low level signal. The corresponding relationship between bits and DOs is described in the following table.

0~9 place

output terminal status

invalid

valid

d0.09

AI1 voltage after correction

V/mA

d0.10

AI2 current after correction

V/mA

d0.11

Keyboard command voltage

V/mA

d0.14

Load speed display

Motor actual running speed. Please refer to P7.12 for settings.

d0.15

PID setting value

PID preset value percentage.

d0.16

PID feedback

PID feedback value percentage.

d0.18

HDI (DI5) pulse frequency

0.01kHz

HDI (DI5) input pulse frequency display.

d0.19

Feedback speed

0.1Hz

2 2 2

121314

DI7

DI8

DI10 DI9

7 6

DI1 DI2

DI3 DI4

DI5 DI6

VDI5 VDI4

VDI3 VDI2

VDI1

2 2 2 2 2 2

234567

2 2 2

8910

7 6

FMR TA1-TB1-TC1

TA2-TB2-TC2

DO1

DO2

VDO1

2 2 2 2 2 2

234567

2 2

VDO2

VDO3

VDO5 VDO4

-21-

PG feedback speed, accurate to 0.1Hz. P7.12 determines location of decimal point for value of d0.19 & d0.29.

 If P7.12=2, value range is -320.00Hz~320.00Hz;  If P7.12-1, value range is -500.0Hz~500.0Hz.

d0.20

Remaining running time

0.1Min

Used for timer control. Refer to P8.42~P8.44.

d0.21

AI1 voltage/current before correction.

0.001V

If P4.40=0, this displays voltage; if P4.40=1, this displays current.

d0.22

AI2 voltage before correction.

0.001V

If P4.40=0, this displays voltage; if P4.40=1, this displays current.

d0.23

Keyboard voltage before correction.

0.001V

If P4.40=0, this displays voltage; if P4.40=1, this displays current.

d0.28

Communication setting value

0.01%

It displays the data written from the communication address 0x1000.

d0.30

Main frequency X display

0.01Hz

P0.03 main frequency setting value

d0.31

Auxiliary

frequency Y display

0.01Hz

P0.04 auxiliary frequency setting value.

d0.35

Target torque

0.1%

Target torque is current torque upper limit.

d0.37

Power factor angle

d0.39

V/F separation target voltage

Target voltage upon V/F separation

d0.40

V/F separation output voltage

Output voltage upon V/F separation

d0.41

DI terminal status display

ON: high electrical level; OFF: low electrical level.

d0.42

DO terminal status display

ON: high electrical level; OFF: low electrical level.

d0.43

DI function display 1

-22-

This uses 5 nixie tubes to display whether terminal functions 1~40 are valid. Each nixie tube can display 8 functions. From right to left: 1~8, 9~16, 17~24, 25~32, 33~40.

d0.44

DI function display 2

Same as d0.43, this uses 3 nixie tubes to display whether terminal functions 41~59 are valid. From

right to left: 41~48, 49~56, 57~59.

d0.59

Setting frequency percentage

d0.60

Running frequency percentage

d0.61

Inverter running status

d0.61

Bit0

0: Stop; 1: FWD; 2: REV

Bit1

Bit2

0: Constant speed; 1: Accelerate; 2: Decelerate

Bit3

Bit4

0: DC bus normal; 1: under-voltage

d0.62

Current fault code

d0.63

Point-to-point communication value sent

d0.64

Number of slaves

d0.65

Torque upper limit

4.2 Basic functions group: P0.00-P0.28

Code

Description

Setting range

Def

Res

P0.00

Load type

G type

●

P type

This parameter is to display the delivered model and cannot be modified. 1: Applicable to constant torque load with rated parameters specified 2: Applicable to variable torque load (fan and pump) with rated parameters specified.

P0.01

Speed control mode

Sensorless flux vector control (SVC)

★

V/F control

0: Sensorless flux vector control for asynchronous motors (SVC)

This is for high-performance control applications such as machine tool, centrifuge, wire drawing

machine and injection molding machine. One inverter can only drive one motor.

2: Voltage/Frequency control (V/F)

It is applicable to applications with low load requirements or applications where one inverter

operates multiple motors, such as fans and pumps. Notes:

If vector control is used, motor auto-tuning must be performed because the advantages of vector control can only be utilized after correct motor parameters are obtained. Better performance can be

achieved by adjusting speed regulator parameters in group P3.

For the permanent magnetic synchronous motor (PMSM), the DLA1 does not support SVC. FVC is

used generally. In some low-power motor applications, you can also use V/F.

-23-

P0.02

Command source channel selection

Keyboard (LED OFF)

☆

Terminals (LED ON)

Communication (LED blinks)

This is to determine the input channel of the control commands, such as run, stop, forward rotation,

reverse rotation and jog operation.

0: Keyboard ("LOCAL" indicator off) Commands are given by pressing keys on the keyboard (keyboard). 1: Terminals ("LOCAL" indicator on)

Commands are given by means of multi-functional input terminals with functions such as FWD,

REV, FJOG, and RJOG. 2: Communication ("LOCAL" indicator blinking)

Commands are given from communication with upper controllers. If this parameter is set to 2, a communication card (Modbus RTU, PROFIBUS-DP card, CANlink card or CANopen card) must

be installed. Please refer to PD group function codes for communication settings.

P0.03

Main frequency source

X selection

Keyboard setting (P0.08, UP/DOWN editable, not retentive at power off)

★

Keyboard setting (P0.08, UP/DOWN editable, retentive at power off)

AI1 setting

AI2 setting

AI3 setting

Reserved

Multi-speed operation setting

Simple PLC setting

PID control setting

Remote communication setting

This is used to select the setting channel of the main frequency X.

0: Keyboard setting (P0.08, UP/DOWN editable, not retentive at power off)

The initial value of the set frequency is the value of P0.08 (Preset frequency). You can change the frequency by pressing the keyboard (or using the UP/DOWN function of input terminals). When the

inverter is powered on again after power off, the frequency reverts to the value of P0.08.

1: Keyboard setting (P0.08, UP/DOWN editable, retentive at power off)

The initial value of the set frequency is the value of P0.08 (Preset frequency). You can change the set frequency by pressing the keyboard (or using the UP/DOWN function of input terminals). When the inverter is powered on again after power off, the frequency is the value memorized at the

moment of the last power off.

Note that P0.23 determines whether the set frequency is memorized or cleared when the inverter

stops. It is related to stop rather than power off.

2: AI1 3: AI2

AI3 (keyboard potentiometer)

Jumper J6 determines whether to use AI3 terminal or keyboard potentiometer as command source. If AI3 terminal is selected, Jumper J5 determines whether to use

0-10V voltage input or 0-20 mA

current input

-24-

Multi-speed operation setting

multi-speed operation setting

mode, combinations of different DI terminal states correspond to different set frequencies. The DLA1 supports maximum 16 speeds implemented by 16 state combinations of four DI terminals in Group PC. The

multi-speed operation setting

indicates

percentages of the value of P0.10 (Maximum output frequency).

If a DI terminal is used for the

multi-speed operation setting

, you need to set in group P4.

7: Simple PLC setting

When the simple programmable logic controller (PLC) mode is used as the frequency source, the running frequency of the inverter can be switched over among the 16 frequency references. You can set the holding time and acceleration/deceleration time of the 16 frequency references. For details,

refer to the descriptions of Group PC.

PID control setting The output of PID control is used as the running frequency. PID control is generally used in on-site closed-loop control, such as constant pressure closed-loop control and constant tension closed-loop

control. When applying PID as the frequency source, you need to set in group PA.

Remote communication setting (RS485)

P0.04

Auxiliary frequency source Y selection

Keyboard setting (P0.08, UP/DOWN editable, not retentive at power off)

★

Keyboard setting (P0.08, UP/DOWN editable, retentive at power off)

AI1 setting

AI2 setting

AI3 setting

Reserved

Multi-speed operation setting

Simple PLC setting

PID control setting

Remote communication setting

Refer to P0.03.

P0.05

Y reference in X and Y combination

Relative to P0.10

☆

Relative to main frequency source X

P0.06

Y range in X and Y combination

0%~150%

100%

☆

If X and Y combination is used, P0.05 and P0.06 are used to set the adjustment range of Y. You can set Y to be relative to either maximum frequency or main frequency X. If relative to main frequency

X, the setting range of Y varies according to the main frequency X.

P0.07

Frequency source combination mode

One’s

place

Frequency source selection

☆

Main frequency source X

Result of “X and Y combination”

X and Y switchover

X and “X and Y combination” switchover

-25-

Y and “X and Y combination” switchover

Ten’s

place

X and Y combinations

X+Y

0 X-Y

MAX [X, Y]

MIN [X, Y]

The final output frequency can be simple X setting, or it can be a sophisticated result after Y is included and/or combined.

P0.08

Preset frequency

setting

0.00Hz~ P0.10 (

valid when frequency

source is digital setting

)

00Hz

☆

When frequency source selection is “digital setting” or “terminal UP/DOWN”, this value is inverter

frequency digital setting initial value.

P0.09

Operation direction selection

Same direction

☆

Reverse direction

You can change the rotation direction of the motor just by modifying this parameter without changing the motor wiring. Modifying this parameter is equivalent to exchanging any two of the

motor's U, V, W wires.

The motor will resume running in the original direction after parameter initialization. Do not use this function in applications where changing the rotating direction of the motor is prohibited after

system commissioning is complete.

P0.10

Maximum frequency

50.00Hz~320.00Hz

50.00Hz

★

When the frequency source is AI, pulse setting (DI5), or multi-speed, value of this parameter

determines the 100% frequency.

The output frequency of the DLA1 can reach 3200 Hz. To take both frequency reference resolution and frequency input range into consideration, you can set the number of decimal places for

frequency reference in P0.22.

• If P0.22 is set to 1, the frequency reference resolution is 0.1 Hz. In this case, the setting range of

P0.10 is 50.0 to 3200.0 Hz.

• If P0.22 is set to 2, the frequency reference resolution is 0.01 Hz. In this case, the setting range of

P0.10 is 50.00 to 320.00 Hz.

P0.11

Frequency source

upper limit

P0.12 setting

★

AI1 1 AI2

AI3

Reserved

Communication setting

-26-

It is used to set the source of the frequency upper limit, including digital setting (P0.12), AI, or communication setting. If the frequency upper limit is set by means of AI1, AI2, AI3, or communication, the setting is similar to that of the main frequency source X. For details, see the

description of P0.03.

For example, to avoid runaway in torque control mode in winding application, you can set the frequency upper limit by means of analog input. When the inverter reaches the upper limit, it will

maintain at this speed. P0.12

Frequency upper limit

Frequency lower limit P0.14 to maximum frequency

P0.10

50.00Hz

☆

P0.13

Frequency upper limit

offset

0.00Hz~ maximum frequency P0.10

0.00Hz

☆

When frequency is set by analog or pulse, P0.13 is used as setting value offset value, and then

overlap with P0.11 to become final frequency upper limit.

P0.14

Frequency lower limit

0.00Hz~ upper limit frequency P0.12

0.00Hz

☆

If the frequency reference is lower than the value of this parameter, the inverter can stop, run at

the frequency lower limit, or run at zero speed, determined by P8.14. P0.15

Carrier frequency

0.5kHz~12.0kHz

☆

Please refer to table below:

Carrier frequency

Low → High

Motor noise

Big → Small

Output current waveform

Bad → Good

Motor temperature rise

High → Low

Inverter temperature rise

Low → High

Leakage current

Small → Large

External radiation interference

Small → Large

The factory setting of carrier frequency varies with the inverter power. If you need to modify the carrier frequency, note that if the set carrier frequency is higher than factory setting, it will lead to an increase in temperature of the inverter's heatsink. In this case, you need to de-rate the

inverter. Otherwise, the inverter may overheat and alarm.

P0.16

Carrier frequency adjustment based on

temperature

No 0

☆

Yes

It is used to set whether the carrier frequency is adjusted based on the temperature. The Inverter automatically reduces the carrier frequency when detecting that the hea tsink temperature is high. The inverter sets the carrier frequency to the set value when the heatsink temperature becomes normal. This function reduces the overheat alarms.

P0.17

Acceleration time 1

0.00s~65000s

- ☆ P0.18

Deceleration time 1

0.00s~65000s

☆

Acceleration time is the time required by the inverter to accelerate from 0 Hz to

"Acceleration/Deceleration base frequency” (P0.25), that is, t1 in figure below.

-27-

Deceleration time is the time required by the Inverter to decelerate from

"Acceleration/Deceleration base frequency” (P0.25) to 0 Hz, that is, t2 in figure below.

The DLA1 provides totally four groups of acceleration/deceleration times. You can perform

switchover by using a DI terminal.

• Group 1: P0.17, P0.18

• Group 2: P8.03, P8.04

• Group 3: P8.05, P8.06

• Group 4: P8.07, P8.08

P0.19

Acceleration/decelerati

on time unit

★

0.1s

0.01s

DLA1 provides three acceleration/ deceleration time units, 1s, 0.1s and 0.01s. Modifying this parameter will make the displayed decimal places change and corresponding acceleration/deceleration time also change.

P0.21

Y offset

0.00Hz~ maximum frequency P0.10

00Hz

☆

This parameter is valid only when the frequency source is set to "X and Y combination".

The final frequency is obtained by adding the frequency offset set in this parameter to the X and Y combination result.

P0.22

Frequency reference

resolution

0.01Hz

2 2 ★

P0.23

Retentiveness of digital

setting at stop

Not retentive

☆

Retentive

This parameter is valid only when the frequency source is digital setting.

If P0.23 is set to 0, the digital setting value resumes to the value of P0.08 (Preset frequency) after the

inverter stops.

If P0.23 is set to 1, the digital setting value is the set frequency at the moment when the inverter

stops.

P0.25

Acceleration/Decelerati

on time base frequency

Maximum frequency (P0.10)

★

Set frequency

100Hz

The acceleration/deceleration time indicates the time for the inverter between 0 Hz and the

frequency set in P0.25.

P0.26

UP/DOWN base

frequency at running

Running frequency

★

Set frequency

-28-

This parameter is valid only when the frequency source is digital setting.

It is used to set the base frequency to be modified by using keys and or the terminal UP/DOWN

function.

P0.27

Binding frequency source to command source channels

One’s place

Binding frequency source to

keyboard

000

☆

No binding

0 Digital setting

AI1 2 AI2

AI3 4 Reserved

Multi-speed

Simple PLC

PID 8 Communication

Ten’s place

Binding frequency source to

terminals

No binding

0 Digital setting

AI1 2 AI2

AI3 4 Reserved

Multi-speed

Simple PLC

PID 8 Communication

Hundred’s

place

Binding frequency source to

communication

No binding

Digital setting

AI1

AI2 3 AI3

Reserved

Multi-speed

Simple PLC

PID 8 Communication

-29-

4.3 First motor parameters: P1.00-P1.37

Code

Description

Setting range

Def

Res

P1.00

Motor type selection Normal asynchronous motor

★

Variable frequency asynchronous motor

P1.01

Motor rated power

0.1kW~1000.0kW

★ P1.02

Motor rated voltage

1V~2000V

★

P1.03

Motor rated current

0.01A~655.35A (inverter rated power≦55kW)

0.1A~6553.5A (inverter rated power >55kW)

★

P1.04

Motor rated

frequency

0.01Hz~ maximum frequency

★

P1.05

Motor rated speed

1rpm~65535rpm

★

Set these parameters according to the motor nameplate regardless of V/F control or vector control

is adopted. To achieve better V/F or vector control performance, motor auto-tuning is required,

which depends on the correct setting of motor nameplate parameters.

P1.06

Asynchronous motor

stator resistance

0.001Ω~65.535Ω (inverter rated power

≦

55kW)

0.0001Ω~6.5535Ω (inverter rated power >55kW)

- ★ P1.07

Asynchronous motor

rotor resistance

0.001Ω~65.535Ω (inverter rated power

≦

55kW)

0.0001Ω~6.5535Ω (inverter rated power >55kW)

★

P1.08

Asynchronous motor leakage inductive

reactance

0.01mH~655.35mH (inverter rated power

≦

55kW)

0.001mH~65.535mH (inverter rated

power >55kW)

★

P1.09

Asynchronous motor mutual inductive

reactance

0.1mH~6553.5mH (inverter rated power

≦

55kW)

0.01mH~655.35mH (inverter rated power >55kW)

★

P1.10

Asynchronous motor

no load current

0.01A~P1.03 (inverter rated power

≦

55kW)

0.1A~P1.03 (inverter rated power >55kW)

★

The parameters in P1.06 to P1.10 are asynchronous motor parameters. These parameters are unavailable on the motor nameplate and are obtained by motor auto-tuning. Motor static autotuning can only obtain P1.06 to P1.08. Motor complete auto-tuning can obtain all parameters from

P1.06 to P1.10.

Each time "Motor rated power” (P1.01) or “Motor rated voltage" (P1.02) is changed, the inverter automatically restores values of P1.06 to P1.10 to the parameter setting for the common standard

Y series asynchronous motor.

If it is impossible to perform motor auto-tuning onsite, manually input the values of these

parameters according to data provided by the motor manufacturer.

P1.37

Auto-tuning selection

No auto-tuning

★

Asynchronous motor static auto-

tuning 1

Asynchronous motor complete auto-

tuning

Asynchronous motor static auto-

tuning 2

1: Asynchronous motor static auto-tuning 1

It is applicable to scenarios where complete auto-tuning cannot be performed because the

asynchronous motor cannot be disconnected from the load.

Before performing static auto-tuning, properly set the motor type and motor nameplate parameters

of P1.00 to P1.05 first. The inverter will obtain parameters of P1.06 to P1.08 by static auto -tuning. Set this parameter to 1, and press RUN. Then, the inverter starts static auto-tuning 1.

-30-

2: Asynchronous motor complete auto-tuning

To perform this type of auto-tuning, ensure that the motor is disconnected from the load. During the process of complete auto-tuning, the inverter performs static auto-tuning first and then accelerates to 80% of the motor rated frequency within the acceleration time set in P0.17. The inverter keeps running for a certain period and then decelerates to stop within deceleration time set

in P0.18.

Before performing complete auto-tuning, properly set the motor type, motor nameplate parameters

of P1.00 to P1.05, "Encoder type” (P1.28) and "Encoder pulses per revolution” (P1.27) first.

The inverter will obtain motor parameters of P1.06 to P1.10, "A/B phase sequence of ABZ incremental encoder" (P1.30) and vector control current loop PI parameters of P2.13 to P2.16 by

complete auto-tuning. Set this parameter to 2, and press RUN. Then, the inverter starts complete auto-tuning.

3: Asynchronous motor static auto-tuning 1

This is applicable for asynchronous motors without encoders. During auto-tuning, the motor might

vibrate slightly. Please pay attention to safety. Set this parameter to 3, and press RUN. Then, the inverter starts static auto-tuning 2.

-31-

4.4 V/F control parameters: P2.00-P2.27

Group P2 is valid only for V/F control. The V/F control mode is applicable to low load applications (fan or pump) or applications where one inverter drives multiple motors or there is a large difference

between the inverter power and the motor power.

Code

Description

Setting range

Def

Res

P2.00

V/F curve setting

Linear V/F

☆

Multi-point V/F

Square V/F

1.2-time V/F

1.4-time V/F

1.5-time V/F

1.6-time V/F

1.7-time V/F

1.8-time V/F

Reserved

VF complete separation mode

VF half separation mode

0: Linear V/F It is applicable to common constant torque load.

1: Multi-point V/F

It is applicable to special load such as dehydrator and centrifuge. Any such V/F curve can be

obtained by setting parameters of P2.03 to P2.08.

2: Square V/F It is applicable to centrifugal loads such as fan and pump.

3 to 8: V/F curve between linear V/F and square V/F

10: V/F complete separation

In this mode, the output frequency and output voltage of the Inverter are independent. The output frequency is determined by the frequency source, and the output voltage is determined by "Voltage

source for V/F separation" (P2.13). It is applicable to induction heating, inverse power supply and torque motor control.

11: V/F half separation

In this mode, V and F are proportional and the proportional relationship can be set in P2.13. The relationship between V and F are also related to the motor rated voltage and motor rated frequency

in Group P1. Assume that the voltage source input is X (0 to 100%), the relationship between V and F is: V/F = 2 * X * (motor rated voltage) / (motor rated frequency)

P2.01

Torque boost

0.0%~30%

★

P2.02

Torque boost cut-off frequency

0.00Hz~ maximum frequency (P0.10)

00Hz

★

-32-

To compensate the low frequency torque characteristics of V/F control, user can boost the output

voltage of the inverter at low frequency by modifying P2.01.

If the torque boost is set to too large, the motor may overheat, and the inverter may suffer

overcurrent.

If the load is large and the motor startup torque is insufficient, increase the value of P2.01. If the load is small, decrease the value of P2.01. If it is set to 0.0, the inverter performs automatic torque boost. In this case, the inverter automatically calculates the torque boost value based on motor

parameters including the stator resistance.

P2.02 specifies the frequency under which torque boost is valid. Torque boost becomes invalid

when this frequency is exceeded.

P2.03

Multi-point V/F frequency 1 (F1)

0.00Hz~P2.05

0.00Hz

★

P2.04

Multi-point V/F voltage 1 (V1)

0.0%~100.0%

0.0%

★

P2.05

Multi-point V/F frequency 2 (F2)

P2.03~P2.07

0.00Hz

★

P2.06

Multi-point V/F voltage 2 (V2)

0.0%~100.0%

0.0%

★

P2.07

Multi-point V/F frequency 3 (F3)

P2.05~ motor rated frequency (P1.04)

0.00Hz

★

P2.08

Multi-point V/F voltage 3 (V3)

0.0%~100.0%

0.0%

★

These six parameters are used to define the multi-point V/F curve.

The multi-point V/F curve is set based on the motor's load characteristic. The relationship

between voltages and frequencies is:

V1 < V2 < V3, F1 < F2 < F3

At low frequency, higher voltage may cause overheat or even motor burn-out as well as overcurrent

stall or overcurrent protection of the inverter.

-33-

V1~V3: 1st, 2nd and 3rd voltage percentages of multi-point V/F F1~F3: 1st, 2nd and 3rd frequency percentages of multi-point V/F Vb: motor rated voltage Fb: motor rated running frequency

P2.09

V/F slip compensation gain

0%~200.0%

0.0

☆

This parameter is valid only for the asynchronous motor.

It can compensate the rotational speed slip of the asynchronous motor when the load of the motor

increases, stabilizing the motor speed in case of load change.

If this parameter is set to 100%, it indicates that the compensation when the motor bears rated load is the motor rated slip. The motor rated slip is automatically obtained by the inverter through

calculation based on the motor rated frequency and motor rated rotational speed in group P1.

Generally, if the motor rotational speed is different from the target speed, slightly adjust P2.09.

P2.10

V/F over-excitation gain

0~200

☆

During deceleration of the inverter, over-excitation can restrain rise of the DC bus voltage,

preventing the overvoltage fault. The larger the over-excitation is, the better the restraining result is.

Increase the over-excitation gain if the inverter is liable to overvoltage error during deceleration. However, too large over-excitation gain may lead to an increase in the output current. Set P2.09 to a

proper value in actual applications.

Set the over-excitation gain to 0 in the applications where the inertia is small and the DC bus

voltage will not rise during motor deceleration or where there is a braking resistor.

P2.11

V/F oscillation suppression gain

0~100

☆

Set this parameter to a value as small as possible in the prerequisite of efficient oscillation

suppression to avoid influence on V/F control.

Set this parameter to 0 if the motor has no oscillation. Increase the value properly only when the motor has obvious oscillation. The larger the value is, the better the oscillation suppression result

will be.

When the oscillation suppression function is enabled, the motor rated current and no-load current

must be correct. Otherwise, the V/F oscillation suppression effect will not be satisfactory.

-34-

P2.13

Voltage source for V/F

separation

Digital setting (

P2.14)

☆

AI1 1 AI2 2 AI3

Reserved

Multi-speed

Simple PLC

PID

Communication

100.0% corresponding to motor rated voltage (P1.02)

P2.14

V/F separation voltage digital setting

0V~ motor rated voltage

☆

V/F separation is generally applicable to scenarios such as induction heating, inverse power supply.

If V/F separation is enabled, the output voltage can be set in P2.14 or by means of analog, multispeed, simple PLC, PID or communication. If you set the output voltage by means of non-digital setting, 100% of the setting corresponds to the motor rated voltage. If a negative percentage is set,

its absolute value is used as the effective value. 0: Digital setting (P2.14) The output voltage is set directly in P2.14. 1: AI1; 2: AI2; 3: AI3 The output voltage is set by AI terminals. 4: Reserved 5: Multi-speed

If the voltage source is multi-speed, parameters in group P4 and PC must be set to determine the corresponding relationship between setting signal and setting voltage. 100.0% of the multi-speed

setting in group PC corresponds to the motor rated voltage. 6: Simple PLC

If the voltage source is simple PLC mode, parameters in group PC must be set to determine the

setting output voltage. 7: PID

The output voltage is generated based on PID closed loop. For details, see the description of PID in

group PA. 8: Communication setting The output voltage is set by the host computer by means of communication.

The voltage source for V/F separation is set in the same way as the frequency source. For details, see P0.03. 100.0% of the setting in each source corresponds to the motor rated voltage. If the corresponding value is negative, its absolute value is used.

P2.15

Voltage rise time of V/F separation

0.0s~1000.0s

☆

P2.16

Voltage decline time of V/F separation

0.0s~1000.0s

☆

-35-

4.5 Vector control parameters: P3.00-P3.22

P3 group is valid for vector control, and invalid for V/F control.

Code

Description

Setting range

Def

Res

P3.00

Speed loop proportional gain G1

1~100

☆

P3.01

Speed loop integral time T1

0.01s~10.00s

50s

☆

P3.02

Switchover frequency 1

0.00~P2.05

5.00Hz

☆

P3.03

Speed loop proportional gain G2

0~100

☆

P3.04

Speed loop integral time T2

0.01s~10.00s

1.00s

☆

P3.05

Switchover frequency 2

P2.02~P0.10

10.00Hz

☆

Speed loop PI parameters can vary with running frequencies of the inverter.

• If the running frequency is less than or equal to "Switchover frequency 1" (P3.02), the speed

loop PI parameters are P3.00 and P3.01.

• If the running frequency is equal to or greater than "Switchover frequency 2" (P3.05), the speed

loop PI parameters are P3.03 and P3.04.

• If the running frequency is between P3.02 and P3.05, the speed loop PI parameters are obtained

from the linear switchover between the two groups of PI parameters, as shown in figure below.

Frequency

P2.00 P2.01

P2.03 P2.04

P2.02 P2.05

The speed dynamic response characteristics in vector control can be adjusted by setting the

proportional gain and integral time of the speed regulator.

To achieve a faster system response, increase the proportional gain and reduce the integral time.

Be aware that this may lead to system oscillation. The recommended adjustment method is as follows:

If the factory setting cannot meet the requirements, fine tune the PI parameters. Increase the proportional gain first to ensure that the system does not oscillate, and then reduce the integral

time to ensure that the system has quick response and small overshoot.

Improper PI parameter setting may cause serious speed overshoot, and overvoltage fault may even

occur when the overshoot drops.

-36-

P3.06

Vector control slip gain

50%~200%

150%

☆

This is used to adjust speed stability accuracy of the motor. When the motor with load runs at a very low speed, increase the value of this parameter; when the motor with load runs at a very large

speed, decrease the value of this parameter.

P3.07

SVC torque filter time constant

0.000s~0.100s

000s

☆

P3.09

Torque upper limit source in speed control

P3.10

☆

AI1 1 AI2 2 AI3

Pulse (DI5)

Communication

Min (AI1, AI2)

Max (AI1, AI2)

P3.10

Torque upper limit in speed control

0.0%~200.0%

150

☆

In speed control, the maximum output torque of the inverter is restricted by P3.09. If the torque upper limit is analog, pulse or communication setting, 100% of the setting corresponds to the

value of P3.10, and 100% of the value of P3.10 corresponds to the inverter rated torque.

P3.13

Excitation adjustment proportional

gain

0~60000

2000

☆

P3.14

Excitation adjustment integral gain

0~60000

1300

☆

P3.15

Torque adjustment proportional

gain

0~60000

2000

☆

P3.16

Torque adjustment integral gain

0~60000

1300

☆

These are current loop PI parameters for vector control. These parameters are automatically obtained through auto-tuning and need not be modified. The current loop integral regulator here is

integral gain rather than integral time. Note that too large current loop PI gain may lead to

oscillation of the entire control loop. Therefore, when current oscillation or torque fluctuation is

great, manually decrease the proportional gain or integral gain here.

P3.17

Speed loop integration

Invalid

☆

Valid

P3.18

Synchronous field weakening mode

No weakening

☆

Direct calculation

Automatic

P3.19

Field weakening depth

50%~500%

100%

☆

P3.20

Field weakening max current

1%~300%

50%

☆

P3.21

Field weakening adjustment gain

10%~500%

100%

☆

P3.22

Field weakening multiplier

2~10

☆

-37-

4.6 Input terminals: P4.00-P4.39

DLA1 provides six DI terminals (DI5 can be used for high-speed pulse input) and three analog input

(AI) terminals.

Code

Description

Setting range

Def

Res

P4.00

DI1 function selection

0~59

★

P4.01

DI2 function selection

0~59

★

P4.02

DI3 function selection

0~59

★

P4.03

DI4 function selection

0~59

★

P4.04

Reserved

0~59

★

P4.05

DI6 function selection

0~59

★

The following table lists the functions available for the DI terminals.

Value

Function

Description

No function

Set 0 for reserved terminals to avoid malfunction.

Forward RUN (FWD)

The terminal is used to control forward or reverse RUN of the inverter.

Reverse RUN (REV)

Three-line mode control

The terminal determines three-line mode control of the inverter. For details, see the description of P4.11.

Forward JOG (FJOG)

The JOG frequency, acceleration time and deceleration time are described respectively in P8.00, P8.01 and P8.02.

Reverse JOG (RJOG)

Terminal UP

If the frequency channel terminals, these two are used as increment and decrement commands for frequency modification. When the frequency source is digital setting, they are used to adjust the frequency.

Terminal DOWN

Coast to stop

The inverter blocks its output, the motor coasts to rest and is not controlled by the inverter. It is the same as coast to stop described in P5.10.

Fault reset (RESET)

Same as RESET key on the keyboard. Remote fault reset is implemented by this function.

Pause

The inverter decelerates to stop, but the running parameters are all memorized. After this function is disabled, the Inverter resumes its status before stop.

External fault normally open (NO) input

If this signal is sent to the inverter, the inverter will output 15=E.EIOF and performs the fault protection action. For details please check P9.47.

Multi-speed terminal K1

The setting of 16 speeds or 16 other references can be implemented through combinations of 16 states of these four terminals.

Please refer to the next table.

Multi-speed terminal K2

Multi-speed terminal K3

-38-

Multi-speed terminal K4

Terminal 1 for acceleration/ deceleration time selection

Totally four groups of acceleration/deceleration time can be selected through combinations states of these two terminals.

Terminal 2 for acceleration/ deceleration time selection

Frequency source switchover

This terminal is used to perform switchover between two frequency sources according to the setting in P0.07.

UP/DOWN setting clearance (terminal, keyboard)

If the frequency source is digital setting, the terminal is used to clear the modifications by using the UP/ DOWN function or the UP/DOWN key on keyboard, returning the set frequency to the value of P0.08.

Command source switchover terminal

If the command source is set to terminal control (P0.02 = 1), this terminal is used to perform switchover between terminal control and keyboard control. If the command source is set to communication control (P0.02 = 2), this terminal is used to perform switchover between communication control and keyboard control.

Acceleration/Decelerati on prohibited

It enables the inverter to maintain the current frequency output without being affected by external signals (except the STOP command).

PID pause

PID is invalid temporarily. The inverter maintains the current frequency output without PID adjustment of frequency source.

PLC status reset

The terminal is used to restore the original status of PLC control for the Inverter when PLC control is started again after a pause.

Swing pause

The inverter outputs the central frequency, and the swing frequency function pauses.

Counter input

This terminal is used to count pulses.

Counter reset

This terminal is used to clear the counter status.

Length count input

This terminal is used to count the length.

Length reset

This terminal is used to clear the length.

Torque control prohibited

The inverter is prohibited from torque control and enters the speed control mode.

Pulse input enabled (only for DI5)

DI5 is used for pulse input.

Reserved

Reserved.

Immediate DC braking

The inverter directly switches over to the DC braking state.

External fault normally closed (NC) input

If this signal is sent to the inverter, the inverter will output 15=E.EIOF and performs the fault protection action. For details please check P9.47.

Frequency modification prohibited

The inverter does not respond to any frequency modification.

-39-

PID action direction negation

The PID action direction is opposite to the direction set in PA.03.

External STOP terminal 1

This terminal can be used to stop the Inverter, equivalent to the STOP key on the keyboard.

Command source switchover terminal 2

It is used to perform switchover between terminal control and communication control. If the command source is terminal control, the system will switch to communication control after this terminal becomes ON.

PID integral pause

After this terminal becomes ON, the integral adjustment function pauses. However, the proportional and differentiation adjustment functions are still valid.

Switchover between main frequency source X and preset frequency

After this terminal becomes ON, the frequency source X is replaced by the preset frequency set in P0.08.

Switchover between auxiliary frequency source Y and preset frequency

After this terminal is enabled, the frequency source Y is replaced by the preset frequency set in P0.08.

Reserved

PID parameter switchover

If the PID parameters switchover condition is DI terminal (PA.18 = 1) and this terminal is invalid, the valid PID parameters are PA.05 to PA.07; when this terminal becomes valid, the valid PID parameters are PA.15 to PA.17.

User-defined fault 1

If these two terminals become ON, the inverter reports 27=E.USt1 and 28=E.USt2 respectively, and performs fault protection actions based on the setting in P9.49.

User-defined fault 2

Speed control/Torque control switchover

This terminal enables the inverter to switch between speed control and torque control. When this terminal becomes OFF, the inverter runs in the mode set in B0.00. When this terminal becomes ON, the inverter switches over to the other control mode.

Emergency stop

When this terminal becomes ON, the inverter stops within the shortest time. During stop, the current remains at the current upper limit. This function is used to for stopping the inverter in emergency situations.

External STOP terminal 2

In any control mode (keyboard, terminal or communication), it can be used to make the inverter decelerate to stop. In this case, the deceleration time is deceleration time 4.

Deceleration DC braking

When this terminal becomes ON, the inverter decelerates to frequency set in P6.11 and then switches to DC braking state.

Current running time clearance

When this terminal becomes ON, the inverter's current running time is cleared. This function needs to be supported by P8.42 and P8.53.

51~59

Reserved



-40-

 Multi-speed control

Speed setting

Parameter

OFF

Speed 0

PC.

OFF

Speed 1

PC.

OFF

Speed 2

PC.

OFF

Speed 3

PC.

OFF

Speed 4

PC.

OFF

Speed 5

PC.

OFF

Speed 6

PC.

OFF

Speed 7

PC.

OFF

Speed 8

PC.

OFF

Speed 9

PC.

OFF

Speed 10

PC.

OFF

Speed 11

PC.

OFF

Speed 12

PC.

OFF

Speed 13

PC.

OFF

Speed 14

PC.

Speed 15

PC.

The value 100% of PC-00 to PC-15 corresponds to the value of P0.10 (maximum frequency). Multi-speed can be also used as the PID setting source or the voltage source for V/F separation.

 Acceleration/deceleration time setting

Two terminals for acceleration/deceleration time selection have four state combinations, as listed in

the following table.

Terminal 2

Terminal 1

Acceleration/ deceleration time selection

Parameters

OFF

Acceleration/Deceleration time 1

P0.17, P0.18

OFF

Acceleration/Deceleration time 2

P8.03, P8.04

OFF

Acceleration/Deceleration time 3

P8.05, P8.06

Acceleration/Deceleration time 4

P8.07, P8.08

P4.10

DI filter time

0.000s~1.000s

010s

☆

It is used to set the software filter time of DI terminal status. If DI terminals are liable to interference and may cause malfunction, increase the value of this parameter to enhance the anti-

interference capability. However, increase of DI filter time will reduce the response of DI terminals.

P4.11

Terminal command mode

Two-line mode 1

0 ☆

Two-line mode 2

Three-line mode 1

Three-line mode 2

0: Two-line mode 1

-41-

DIx (FOR)

DIy (REV)

COM

It is the most commonly used two-line mode, in which the forward/reverse rotation of the motor is

decided by DI1x and DIy. The parameters are set as below:

Value

Function

Description

Forward operation (FWD)

Reverse operation (REV)

0: invalid; 1: valid.

Operation

0 0 Stop

0 1 REV

1 0 FWD

1 1 Stop

1: Two-line mode 2

DIx RUN enabled

DIy FWD or REV

COM

In this mode, DIx becomes ‘RUN enabled’ terminal, and DIy terminal decides operation

directions.

Value

Function

Description

RUN enabled

Directions (FWD or REV)

0: invalid; 1: valid.

Operation

Stop

FWD

REV

2: Three-line mode 1

-42-

COM

SB2

SB1

DIx (FWD)

DIy (REV)

DIn RUN enabled

SB3

SB1: Stop button SB2: FWD button SB3: REV button

In this mode, DIn is enable terminal, and DIx & DIy terminal decides operation directions.

Value

Function

Description

DIx

Forward operation (FWD)

DIy

Reverse operation (REV)

DIn

RUN enabled

0: invalid; 1: valid; X: random.

SB1

SB2

SB3

Operation

0 X X

Stop

1 1 0

FWD

1 0 1

REV

1 1 0->1

REV

0->1 1 FWD

3: Three-line mode 2;

COM

SB2

SB1

DIx RUN

DIy Direction

DIn Stop

SB1: Stop button

SB2: Run button

In this mode, DIx is enable terminal, DIn is stop terminal and DIy terminal decides operation

directions.

Value

Function

Description

DIx

RUN

DIy

Direction

DIn

Stop

0: invalid; 1: valid; X: random.

-43-

SB1

SB2 K Operation

0 X X

Stop

1 1 0

FWD

1 1 1

REV

P4.12

Terminal UP/DOWN rate

0.01Hz/s~655.35Hz/s

1.00Hz

☆

It is used to adjust the rate of change of frequency when the frequency is adjusted by means of

terminal UP/DOWN.

• If P0.22 (Frequency reference resolution) is 2, the setting range is 0.001-65.535 Hz/s.

• If P0.22 (Frequency reference resolution) is 1, the setting range is 0.01-655.35 Hz/s.

P4.13

AI curve 1 minimum input

0.00V~P4.15

0.00V

☆

P4.14

AI curve 1 minimum input percentage

-100.00%~100.0%

0.0%

☆

P4.15

AI curve 1 maximum input

P4.13~10.00V

10.00V

☆

P4.16

AI curve 1 maximum input percentage

-100.00%~100.0%

100.0%

☆

P4.17

AI1 filter time

0.00s~10.00s

0.10s

☆

These parameters are used to define the relationship between analog input voltage and the corresponding setting. When the analog input voltage exceeds the maximum value (P4.15), the maximum value is used. When the analog input voltage is less than the minimum value (P4.13), the value set in P4.34 (Setting for AI less than minimum input) is

used.

When the analog input is current input, 1 mA current

corresponds to 0.5 V voltage.

P4.17 (AI1 filter time) is used to set the software filter time of AI1. If the analog input is liable to interference, increase the value of this parameter to stabilize the detected analog input. However, increase of the AI filter time will slow the response of analog detection. Set this parameter properly based on actual

conditions.

Graph on the right are two typical setting examples:

P4.18

AI curve 2 minimum input

0.00V~P4.20

0.00V

☆

-44-

P4.19

AI curve 2 minimum input percentage

-100.00%~100.0%

0.0%

☆

P4.20

AI curve 2 maximum input

P4.18~10.00V

10.00V

☆

P4.21

AI curve 2 maximum input percentage

-100.00%~100.0%

100.0%

☆

P4.22

AI2 filter time

0.00s~10.00s

0.10s

☆

P4.23

AI curve 3 minimum input

-10.00V~P4.25

0.10V

☆

P4.24

AI curve 3 minimum input percentage

-100.0%~100.0%

0.0%

☆

P4.25

AI curve 3 maximum input

P4.23~10.00V

4.00V

☆

P4.26

AI curve 3 maximum input percentage

-100.0%~100.0%

100.0%

☆

P4.27

AI3 filter time

0.00s~10.00s

0.10s

☆

These settings are same as AI curve 1 settings.

P4.33

curve

selection

One’s place

AI1 curve selection

321

☆

Curve 1 (2 points, see P4-13 to P4-16)

Curve 2 (2 points, see P4-13 to P4-16)

Curve 3 (2 points, see P4-13 to P4-16)

Ten’s place

AI2 curve selection

Curve 1 (2 points, see P4-13 to P4-16)

Curve 2 (2 points, see P4-13 to P4-16)

Curve 3 (2 points, see P4-13 to P4-16)

Hundred’s place

AI3 curve selection

Curve 1 (2 points, see P4-13 to P4-16)

Curve 2 (2 points, see P4-13 to P4-16)

Curve 3 (2 points, see P4-13 to P4-16)

The one's place, ten's place and hundred's place of this parameter are respectively used to select the

corresponding curve of AI1, AI2 and AI3. Any of the 3 curves can be selected for AI1, AI2 and AI3.

P4.34

Setting for AI less than minimum input

One’s place

AI1 setting

000

☆

Minimum value

0 0.0%

Ten’s place

AI2 setting

Minimum value

0.0%

Hundred’s place

AI3 setting

Minimum value

0 0.0%

This parameter is used to determine the corresponding setting when the analog input voltage is less than the minimum value. The unit's digit, ten's digit and hundred's digit of this parameter

respectively correspond to the setting for AI1, AI2 and AI3.

-45-

If the value of a certain digit is 0, when analog input voltage is less than the minimum input, the

corresponding setting of the minimum input (P4.14, P4.19, P4.24) is used.

If the value of a certain digit is 1, when analog input voltage is less than the minimum input, the

corresponding value of this analog input is 0.0%.

P4.35

DI1 delay time

0.0s~3600.0s

★

P4.36

DI2 delay time

0.0s~3600.0s

★

P4.37

DI3 delay time

0.0s~3600.0s

★

These parameters are used to set the delay time of the inverter when the status of DI terminals

changes. Currently, only DI1, DI2 and DI3 support the delay time function.

P4.38

DI level selection 1

One’s place

DI1 level selection

00000

★

High level valid

Low level valid

Ten’s place

DI2 level selection

High level valid

Low level valid

Hundred’s place

DI3 level selection

High level valid

Low level valid

Thousand's place

DI4 level selection

High level valid

Low level valid

P4.39

DI level

selection

One’s place

DI6 level selection

00000

★

High level valid

Low level valid

-46-

4.7 Output terminals: P5.00-P5.22

DLA1 provides one analog output (AO) terminals, one digital output (DO) terminal, and one relay

terminal.

Code

Description

Setting range

Def

Res

P5.02

Relay 1 function (TA1-TB1-TC1)

0-41

☆

P5.04

DO1 function selection (open-collector output)

0-41

☆

The functions of the output terminals are described in the following table.

Value

Function

Description

No output

The terminal has no function.

Inverter running

When the inverter is running and has output frequency (can be zero), the terminal becomes ON.

Fault output (stop)

When the Inverter stops due to a fault, the terminal becomes ON.

Frequency-level detection FDT1 output

Refer to the descriptions of P8.19 and P8.20.

Frequency reached

Refer to the descriptions of P8.21.

Zero-speed running (no output at stop)

If the inverter runs with the output frequency of 0, the terminal becomes ON. If the Inverter is in the stop state, the terminal becomes OFF.

Motor overload pre-warning

The inverter judges whether the motor load exceeds the overload pre-warning threshold before performing the protection action. If the pre-warning threshold is exceeded, the terminal becomes ON. For motor overload parameters, see the descriptions of P9.00 to P9.02.

Inverter overload prewarning

The terminal becomes ON 10s before the inverter overload protection action is performed.

Set count value reached

The terminal becomes ON when the count value reaches the value set in PB.08.

Designated count value reached

The terminal becomes ON when the count value reaches the value set in PB.09.

Length reached

The terminal becomes ON when the detected actual length exceeds the value set in PB.05.

PLC cycle completed

When simple PLC completes one cycle, the terminal outputs a pulse signal with width of 250 ms.

Accumulative running time reached

If the accumulative running time of the Inverter exceeds the time set in P8.17, the terminal becomes ON.

-47-

Frequency limited

If the set frequency exceeds the frequency upper limit or lower limit and the output frequency of the inverter reaches the upper limit or lower limit, the terminal becomes ON.

Torque limited

In speed control mode, if the output torque reaches the torque limit, the inverter enters stall protection state and meanwhile the terminal becomes ON.

Ready for RUN

If the inverter main circuit and control circuit power becomes stable, and the inverter detects no fault and is ready for RUN, the terminal becomes ON.

AI1 larger than AI2

When the input of AI1 is larger than the input of AI2, the terminal becomes ON.

Frequency upper limit reached

If the running frequency reaches the upper limit, the terminal becomes ON.

Frequency lower limit reached (no output at stop)

If the running frequency reaches the lower limit, the terminal becomes ON. In the stop state, the terminal becomes OFF.

Under voltage state output

If the inverter is in under voltage state, the terminal becomes ON.

Communication setting

Refer to the communication protocol.

Reserved

Reserved.

Reserved

Reserved.

Zero-speed running 2 (having output at stop)

If the output frequency of the inverter is 0, the terminal becomes ON. In the state of stop, the signal is still ON.

Accumulative power-on time reached

If the inverter accumulative power-on time (P7.13) exceeds the value set in P8.16, the terminal becomes ON.

Frequency level detection FDT2 output

Refer to the descriptions of P8.28 and P8.29.

Frequency 1 reached

Refer to the descriptions of P8.30 and P8.31.

Frequency 2 reached

Refer to the descriptions of P8.32 and P8.33.

Current 1 reached

Refer to the descriptions of P8.38 and P8.39.

Current 2 reached

Refer to the descriptions of P8.40 and P8.41.

Timing reached

If the timing function (P8.42) is valid, the terminal becomes ON after the current running time of the inverter reaches the set time.

-48-

AI1 input limit exceeded

If AI1 input is larger than the value of P8.46 (AI1 protection upper limit) or lower than the value of P8.45 (AI1 protection lower limit), the terminal becomes ON.

Load becoming 0

If the load becomes 0, the terminal becomes ON.

Reverse running

If the inverter is in the reverse running state, the terminal becomes ON.

Zero current state

Refer to the descriptions of P8.34 and P8.35.

Module temperature reached

If the heatsink temperature of the inverter module (P7.07) reaches the set module temperature threshold (P8.47), the terminal becomes ON.

Software current limit exceeded

Refer to the descriptions of P8.36 and P8.37.

Frequency lower limit reached (having output at stop)

If the running frequency reaches the lower limit, the terminal becomes ON. In the stop state, the signal is still ON.

Warning output

If a fault occurs on the inverter but the inverter continues to run, this signal outputs.

Motor overheat pre-warning

If the motor temperature reaches the temperature set in P9.58 (Motor overheat warning threshold), the terminal becomes ON. You can view the motor temperature by using d0.34.

Current running time reached

If the current running time of inverter exceeds the value of P8.53, the terminal becomes ON.

Fault output

Fault of coast to stop. No output at under voltage.

P5.07

AO1 output selection

0-16

☆ Value

Function

Description

Running frequency

0 to maximum output frequency

Set frequency

0 to maximum output frequency

Output current

0 to 2 times of motor rated current

Output torque

0 to 2 times of motor rated torque

Output power

0 to 2 times of rated power

Output voltage

0 to 1.2 times of inverter rated voltage

Pulse input

0.01-100.00kHz

AI1

0-10V (or 0-20 mA)

AI2

0-10V (or 0-20 mA)

AI3

0-10V (or 0-20 mA)

Length

0 to maximum set length

-49-

Count value

0 to maximum count value

Communication setting

0.0%-100.0%

Motor rotational speed

0 to rotational speed corresponding to maximum output frequency

Output current

0.0-1000.0A

Output voltage

0.0-1000.0V

Output torque (actual value)

-2 times of motor rated torque ~ +2 times of motor rated torque

P5.10

AO1 zero offset coefficient

-100.0%~+100.0%

0.0% ☆ P5.11

AO1 gain

-10.00~+10.00

1.00

☆

P5.10~P5.11 are used to correct the zero drift of analog output and the output amplitude deviation.

They can also be used to define the desired AO curve.

If "b" represents zero offset, "k" represents gain, "Y" represents actual output, and "X" represents

standard output, the actual output is: Y = kX + b. The zero offset coefficient 100% of AO1 corresponds to 10V (or 20mA). The standard output refers to the value corresponding to the analog

output of 0 to 10V (or 0 to 20mA) with no zero offset or gain adjustment.

For example, if the analog output is used as the running frequency, and it is expected that the output is

8V (Y)when the frequency is 0 and 3V at the maximum frequency, the gain shall be set to -0.50 (k),

and the zero offset (b) shall be set to 80%.

P5.18

Relay 1 output delay time

0.0s~3600.0s

☆

P5.20

DO1 output delay time

0.0s~3600.0s

☆

P5.22

DO logic selection

One’s place

FMR logic selection

00000

☆

Positive logic

Negative logic

Ten’s place

RELAY 1 logic selection

Positive logic

Negative logic

Hundred’s place

RELAY 2 logic selection

Positive logic

Negative logic

Thousand's place

DO1 logic selection

Positive logic

Negative logic

Ten thousand's place

DO2 logic selection

Positive logic

Negative logic

0: Positive logicThe output terminal is valid when being connected with COM, and invalid when

being disconnected from COM. 1: Negative logic

The output terminal is invalid when being connected with COM, and valid when being disconnected

from COM.

-50-

4.8 Start/stop control: P6.00-P6.15

Code

Description

Setting range

Def

Res

P6.00

Start mode

Direct start

☆

Speed tracking

Pre-excited start

0: Direct start

-If the startup DC braking time is set to 0, the inverter starts to run from the startup frequency.

-If the startup DC braking time is not 0, the inverter performs DC braking first and then starts to run from the startup frequency. It is applicable to small-inertia load application where the motor is likely

to free rotate at startup.

1: Speed tracking

The inverter judges the rotational speed and direction of the motor first and then starts from the tracked frequency. Such smooth start has no impact on the rotating motor. It is applicable to the restart upon instantaneous power failure of large-inertia load. To ensure the performance of rotational

speed tracking restart, set the motor parameters in group P1 correctly.

2: Pre-excited start

It is valid only for asynchronous motor and used for building the magnetic field before the motor

runs. For pre-excited current and pre-excited time, see parameters of P6.05 and P6.06.

-If the pre-excited time is 0, the inverter cancels pre-excitation and starts from startup frequency.

-If the pre-excited time is not 0, the inverter pre-excites first before startup, improving the dynamic

response of the motor.

P6.01

Speed tracking mode

From frequency at stop

★

From industrial frequency

From maximum frequency

To complete the rotational speed tracking process within the shortest time, select the proper mode in

which the Inverter tracks the motor rotational speed.

0: From frequency at stop: It is the most common mode. 1: From zero frequency: It is applicable to restart after a long time of power failure. 2: From the maximum frequency: It is applicable to power-generating loads.

P6.02

Speed tracking rate

1~100

☆

The larger this value is, the faster the tracking is. However, too large may cause unreliable tracking.

P6.03

Startup frequency

0.00Hz~10.00Hz

00Hz

☆

P6.04

Startup frequency holding time

0.0s~100.0s

★

To ensure the motor torque at inverter startup, set a proper startup frequency. In addition, to build

excitation when the motor starts up, the startup frequency must be held for a certain period.

The startup frequency (P6.03) is not restricted by the frequency lower limit. If the target (digital setting) frequency is lower than the startup frequency, the inverter will not start and stays in the

standby state.

-51-

During switchover between forward rotation and reverse rotation, the startup frequency holding time is disabled. The holding time is not included in the acceleration time but in the running time of simple

PLC.

Example 1: P0.03 = 0 The frequency source is digital setting. P0.08 = 2.00Hz The digital setting frequency is 2.00 Hz. P6.03 = 5.00Hz The startup frequency is 5.00 Hz. P6.04 = 2.0s The startup frequency holding time is 2.0s.

In this example, the Inverter stays in the standby state and the output frequency is 0.00 Hz.

Example 2: P0.03 = 0 The frequency source is digital setting. P0.08 = 10.00Hz The digital setting frequency is 10.00 Hz. P6.03 = 5.00Hz The startup frequency is 5.00 Hz. P6.04 = 2.0s The startup frequency holding time is 2.0s.

In this example, the inverter accelerates to 5.00 Hz, and then accelerates to the set frequency 10.00Hz

after 2s.

P6.05

Startup DC braking

current/Pre-excited current

0%~100%

★

P6.06

Startup DC braking

time/Pre-excited time

0.0s~100.0s

★

Startup DC braking is generally used during restart of the inverter after motor stops. Pre-excitation is

used to make the inverter build magnetic field before startup to improve the responsiveness.

Startup DC braking is valid only for direct start (P6.00 = 0). In this case, the inverter performs DC braking at the set startup DC braking current. After the startup DC braking time, the inverter starts to run. If the startup DC braking time is 0, the inverter starts directly without DC braking. The larger the

startup DC braking current is, the larger the braking force is.

If the startup mode is pre-excited start (P6.00 = 3), the inverter builds magnetic field based on the pre-excited current. After the pre-excited time, the inverter starts to run. If the pre-excited time is 0,

the inverter starts directly without pre-excitation.

The startup DC braking current or pre-excited current is a percentage relative to the base value.

• If the motor rated current is less than or equal to 80% of the inverter rated current, the base value is

the motor rated current.

• If the motor rated current is greater than 80% of the inverter rated current, the base value is 80% of

the inverter rated current.

P6.07

Acceleration/ Deceleration mode Linear acceleration/deceleration

★

S-curve acceleration/deceleration A

S-curve acceleration/deceleration B

0: Linear acceleration/deceleration.

The output frequency increases or decreases in linear mode. The DLA1 provides four group of

acceleration/deceleration time, which can be selected by using P4.00 to P4.08.

-52-

1: S-curve acceleration/deceleration A

The output frequency increases or

decreases along the S curve. This mode is applicable where start and stop processes needs to be smooth, such as elevator and conveyor belt. P6.08 and P6.09 respectively define the time proportions of

the start segment and the end segment.

2: S-curve acceleration/deceleration B

In this curve, the motor rated frequency fb

is always the inflexion point. This mode is applicable where faster acceleration/deceleration is required above rated frequency. When the set frequency is higher than the rated frequency, the acceleration/ deceleration

time is:

t = [(4/9) * (f/ fb) 2+5/9] * T

f is set frequency;

is motor rated frequency;

T is the acceleration time from 0 Hz to f

P6.08

Time proportion of S-curve

start segment

0.0%~ (100.0%-P6.09)

★

P6.09

Time proportion of S-curve

end segment

0.0%~ (100.0%-P6.08)

★

P6.08+P6.09≤100.0%

P6.10

Stop mode Decelerate to stop

☆

Coast to stop

0: Decelerate to stop

After the stop command is enabled, the inverter decreases the output frequency according to the

deceleration time and stops when the frequency decreases to zero.

1: Coast to stop

After the stop command is enabled, the inverter immediately stops the output. The motor will coast to

stop based on the mechanical inertia.

P6.11

Stop DC braking initial

frequency

0.00Hz~ maximum frequency

00Hz

☆

P6.12

Stop DC braking waiting

time

0.0s~36.0s

☆

P6.13

Stop DC braking current

0%~100%

☆

P6.14

Stop DC braking time

0.0s~100.0s

☆

 P6.11 (

Stop DC braking initial frequency

)

During the process of decelerating to stop, the inverter starts DC braking when the running frequency

is lower than the value set in P6.11.  P6.12 (

Stop DC braking waiting time

)

time

output

frequency

set

frequency

Graph

4-11

S-curve acceleration/deceleration A

time

Output

Frequency Hz

Graph

4.12

S-curve acceleration/deceleration B

Rated Frequenc

Set

Frequency

-53-

When the running frequency decreases to the initial frequency of stop DC braking, the inverter stops output for a certain period and then starts DC braking. This prevents faults such as overcurrent caused

due to DC braking at high speed.  P6.13 (Stop DC braking current) This specifies the output current at DC braking and is a percentage relative to the base value.

o If the motor rated current is less than or equal to 80% of the inverter rated current, the base

value is the motor rated current.

o If the motor rated current is greater than 80% of the inverter rated current, the base value is

80% of the inverter rated current.

 P6.14 (Stop DC braking time) This specifies the holding time of DC braking. If it is set to 0, DC braking is cancelled.

P6.15

Brake use ratio

0%~100%

100%

☆

It is valid only for the inverter with internal braking unit and is used to adjust the duty ratio of the

braking unit. The larger this value, the better the braking result. However, too large value causes great

fluctuation of the inverter bus voltage during the braking process.

-54-

4.9 Keyboard and display: P7.00-P7.14

Code

Description

Setting range

Def

Res

P7.01

DIR/JOG

key

DIR/JOG

disabled

★

Switchover between keyboard control and terminal/communication control

Switchover between forward rotation and reverse rotation

Forward JOG

Reverse JOG

DIR/JOG key is a multifunctional key.

0: DIR/JOG key disabled This key is disabled.

1: Switchover between keyboard control and terminal/communication control

You can perform switchover from the current command source to the keyboard control (local

operation). If the current command source is keyboard control, this key is invalid.

2: Switchover between forward rotation and reverse rotation

You can change the direction of the frequency reference by using the DIR/JOG key. It is valid only

when the current command source is keyboard control.

3: Forward JOG You can perform forward JOG (FJOG) by using the DIR/JOG key.

4: Reverse JOG

You can perform reverse JOG (FJOG) by using the DIR/JOG key.

P7.02

STOP/RESET key

Valid only in keyboard control

☆

Valid in any operation mode

P7.03

Running state display 1

0000~FFFF

☆

If a parameter needs to be displayed at running, set the corresponding bit to 1, and set P7.03 to the

hexadecimal equivalent of the binary number.

4 3 2 1 0

Running

frequency

1(Hz)

Set

frequency

(Hz)

DC bus

Voltage

(V)

Output

voltage

(V)

Output

current

(A)

Output

power

(kW)

Output

Torque

(%)

status

10 9 8

status

Counter value

Length

Load speed

PID

setting

AI1

Voltage

(V)

AI2

Voltage

(V)

AI3

Voltage

(V)

-55-

P7.04

Running state display 2

0000~FFFF

☆

If a parameter needs to be displayed at running, set the corresponding bit to 1, and set P7.04 to the

hexadecimal equivalent of the binary number.

These two parameters are used to set the parameters that can be viewed when the inverter is in the running state. You can view a maximum of 32 running state parameters that are displayed starting from the lowest bit of P7.03.

P7.05

Stop state display

0000~FFFF

☆

If a parameter needs to be displayed at running, set the corresponding bit to 1, and set P7.04 to the hexadecimal equivalent of the binary number.

P7.06

Load speed display coefficient

0.0001~6.5000

0000

☆

This parameter is used to adjust the relationship between the output frequency of the inverter and the

load speed. For details, see the description of P7.12.

P7.07

Heatsink temperature of inverting module

0.0℃~100.0℃

℃

●

It is used to display the insulated gate bipolar transistor (IGBT) temperature of the inverter, and the

IGBT overheat protection value of the inverter module depends on the model.

P7.08

Rectification module temperature

0.0℃~100.0℃

℃

●

P7.09

Accumulative running time

0h~65535h

●

It is used to display the accumulative running time of the inverter. After the accumulative running

time reaches the value set in P8.17, the terminal with the digital output function 12 becomes ON.

P7.10

Product number

Inverter product number

- ● P7.11

Software version

Software version of control board

●

10 9 8

Linear speed

Communication

Encoder speed

Power-on time

(Hour)

Running time

(Min)

Input pulse frequency

(Hz)

X Y 7 6 5 4 3 2 1 0 PID

feedback

Remaining running time

PLC

phase

Input pulse frequency

(kHz)

Running frequency

2 (Hz)

AI1

voltage

before correction

(V)

AI2

voltage

before correction

(V)

AI3

voltage

before correction

(V)

7 6 5 4 3 2 1

status

set

frequency

(Hz)

bus

voltage (V)

status

AI1

voltage

AI2

voltage

AI3

voltage

counter

10 9 8

Length

reserved

PLC

phase

Load speed

PID

setting

Input pulse frequency

(Hz)

(V)

-56-

P7.12

Number of decimal places for load speed display

One’s Place

☆

0 decimal place

1 decimal place

2 decimal place

3 decimal place

Ten’s Place

1 decimal place

2 decimal place

One’s Place:

P7.12 is used to set the number of decimal places for load speed display. The following gives an

example to explain how to calculate the load speed:

If P7.06 (Load speed display coefficient) is 2.000 and P7.12 one’s place is 2. When the running frequency of the inverter is 40.00 Hz, the load speed is 40.00 x 2.000 = 80.00 (display of 2 decimal

places).

If the inverter is in the stop state, the load speed is the speed corresponding to the set frequency, namely, "set load speed". If the set frequency is 50.00Hz, the load speed in the stop state is 50.00 x

2.000 = 100.00 (display of 2 decimal places).

Ten’s place: 1: d0.19/d0.29 are both displayed by one decimal point; 2: d0.19/d0.29 are both displayed by two decimal points.

P7.13

Accumulative power-on time

0h~65535h

●

It is used to display the accumulative power-on time of the inverter since use. If the time reaches the

set power-on time (P8.17), the terminal with the digital output function 24 becomes ON.

P7.14

Accumulative power consumption

0~65535 kWh

●

It is used to display the accumulative power consumption of the Inverter until now.

-57-

4.10 Auxiliary functions: P8.00-P8.54

Code

Description

Setting range

Def

Res

P8.00

JOG running frequency

0.00Hz~ maximum frequency

00Hz

☆

P8.01

JOG acceleration time

0.0s~6500.0s

20.0s

☆

P8.02

JOG deceleration time

0.0s~6500.0s

20.0s

☆

These parameters are used to define the set frequency and acceleration/deceleration time of the inverter when Jogging. The startup mode is "Direct start" (P6.00 = 0) and the stop mode is

"Decelerate to stop" (P6.10 = 0) during jogging.

P8.03

Acceleration time 2

0.0s~6500.0s

10.0s

☆

P8.04

Deceleration time 2

0.0s~6500.0s

10.0s

☆

P8.05

Acceleration time 3

0.0s~6500.0s

10.0s

☆

P8.06

Deceleration time 3

0.0s~6500.0s

10.0s

☆

P8.07

Acceleration time 4

0.0s~6500.0s

10.0s

☆

P8.08

Deceleration time 4

0.0s~6500.0s

10.0s

☆

The DLA1 provides a total of four groups of acceleration/deceleration time. P0.17 and P0.18 are the first group. Definitions of four groups are the same. You can switch over between the four groups

through different combinations of DI terminals. For more details, see P4.01 to P4.05.

P8.09

Jump frequency 1

0.00Hz~ maximum frequency

0.00Hz

☆

P8.10

Jump frequency 2

0.00Hz~ maximum frequency

0.00Hz

☆

P8.11

Frequency jump amplitude

0.00Hz~ maximum frequency

0.00Hz

☆

If the set frequency is within the frequency jump range, the actual running frequency is the jump

frequency nearby. Setting jump frequency helps to avoid the mechanical resonance point of the load.

DLA1 supports two jump frequencies. If both are set to 0, the frequency jump function is disabled. The principle of the jump frequencies and jump amplitude is shown in the following figure.

P8.12

FWD/REV dead-zone time

0.00s~3000.0s

☆

It is used to set the time when the output is 0 Hz at transition of the inverter forward rotation or

reverse rotation, as shown in the following figure.

-58-

P8.13

Reverse control Enabled

☆

Disabled

It is used to set whether the inverter allows reverse rotation. In the applications where reverse

rotation is prohibited, set this parameter to 1.

P8.14

Running mode when set frequency lower than frequency lower limit

Run at lower limit

☆

Stop (need start)

Run at zero speed

This is to set the inverter running mode when the set frequency is lower than frequency lower limit.

P8.15

Droop control rate

0.00Hz~10.00Hz

00Hz

☆

Droop control allows for slight speed differences between master and slaves so as to avoid conflicts. The default value is 0.00Hz. Droop control is only needed when both master and slave are using

speed control. Please fine tune to find the most appropriate droop control value.

Please do not set P8.15 too large; otherwise when load is large, steady state speed will drop. Both

master and slave need to set droop control rates. Droop speed = synchronous frequency * torque output * (P8.15/10)

For example, P8.15=1.00, synchronous frequency is 50Hz, torque output is 50%; then inverter

actual frequency is 50 – 50*(50%)*(1.00/10) =47.5Hz

P8.16

Accumulative power-on time threshold

0h~65000h

☆

If the accumulative power-on time (P7.13) reaches the value set in this parameter, the corresponding

DO terminal becomes ON.

For example, combining DI/DO functions, to implement the function that the inverter reports an alarm when the actual accumulative power-on time reaches the threshold of 100 hours, perform the

setting as follows:

1) Set DI1 to user-defined fault 1: P4.00 = 44.

3) Set DO1 to power-on time reached: P5.04 = 24.

4) Set the accumulative power-on time threshold to 100h: P8.16 = 100h. Then, the inverter outputs 26=E.ArA when the accumulative power-on time reaches 100 hours.

P8.17

Accumulative running time threshold

0h~65000h

☆

It is used to set the accumulative running time threshold of the Inverter. If the accumulative running

time (P7.09) reaches the value set in this parameter, the corresponding DO terminal becomes ON.

P8.18

Startup protection

☆

Yes

time

Output

Frequency

FWD

REV

dead-zone time

-59-

This parameter is used to set whether to enable the safety protection. If it is set to 1, the inverter does not respond to the still valid run command upon inverter power-on (for example, an input terminal is ON before power-on). The inverter responds only after the run command is cancelled

and becomes valid again.

In addition, the inverter does not respond to the still valid run command upon fault reset. The run

protection can be disabled only after the run command is cancelled.

In this way, the motor can be protected from responding to run commands upon power-on or fault

reset in unexpected conditions.

P8.19

Frequency detection value (FDT1)

0.00Hz~ maximum frequency

50.00Hz

☆

P8.20

Frequency detection hysteresis rate (FDT hysteresis 1)

0.0%~100.0% (FDT1 level)

5.0%

☆

If the running frequency is higher than the value of P8.19, the corresponding DO terminal becomes

ON. If the running frequency is lower than value of P8.19, the DO terminal goes OFF

These two parameters are respectively used to set the detection value of output frequency and hysteresis value upon cancellation of the output. The value of P8.20 is a percentage of the hysteresis

frequency to the frequency detection value (P8.19).

The FDT function is shown in the following figure.

P8.21

Frequency reached detection range

0~100% (maximum frequency)

☆

If the Inverter running frequency is within this range of the set frequency, the corresponding DO

terminal becomes ON.

This parameter is used to set the range within which the output frequency is detected to reach the set

frequency. The value of this parameter is a percentage relative to the maximum frequency. The

detection range of frequency reached is shown in the following figure.

-60-

P8.22

Jump frequency validity in acceleration/deceleration

Disabled

☆

Enabled

When P8.22=1, and the running

frequency is within the frequency jump range, the actual running frequency will jump over the set

frequency jump amplitude.

The figure shows when the jump

frequencies are valid in

acceleration/deceleration.

P8.25

Frequency switchover point between acceleration time 1 and

acceleration time 2

0.00Hz~ maximum frequency

0.00Hz

☆

P8.26

Frequency switchover point between deceleration time 1 and

deceleration time 2

0.00Hz~ maximum frequency

0.00Hz

☆

This function is valid when motor 1 is selected and acceleration/deceleration time switchover is not performed by DI terminal. It is used to select different groups of acceleration/ deceleration time

based on the running frequency rather than DI terminal during the running process of the inverter.

-61-

During acceleration, if the running frequency is smaller than the value of P8.25, acceleration time 2

is selected. If the running frequency is larger than the value of P8.25, acceleration time 1 is selected.

During deceleration, if the running frequency is larger than the value of P8.26, deceleration time 1 is

selected. If the running frequency is smaller than the value of P8.26, deceleration time 2 is selected.

P8.27

Terminal JOG priority Invalid

☆

Valid

If terminal JOG priority is valid, the inverter switches to terminal JOG running state when there is a

terminal JOG command during the running process of the inverter.

P8.28

Frequency detection value (FDT2)

0.00Hz~ maximum frequency

00Hz

☆

P8.29

Frequency detection hysteresis

(FDT hysteresis 2)

0.0%~100.0% (FDT2 Level)

5.0

☆

The frequency detection function is the same as FDT1 function. For details, refer to the descriptions

of P8.19 and P8.20.

P8.30

Frequency reached detection value 1

0.00Hz~ maximum frequency

50.00Hz

☆

P8.31

Frequency reached detection

amplitude 1

0.0%~100.0% (maximum

frequency)

0.0%

☆

P8.32

Frequency reached detection value 2

0.00Hz~ maximum frequency

50.00Hz

☆

P8.33

Frequency reached detection

amplitude 2

0.0%~100.0% (maximum

frequency)

0.0%

☆

Running frequency

time

Any frequency reaching detection value

Any Frequency detection value

DO or relay

OFF OFF OFF

Any frequency reaching detection amplitude

-62-

If the output frequency of the inverter is within the positive and negative amplitudes of frequency

reached detection value, the corresponding DO (P5.01=26/27) becomes ON.

DLA1 provides two groups of frequency reached detection parameters, including frequency

detection value and detection amplitude, as shown in the graph above.

P8.34

Zero current detection level

0.0%~300.0% (motor rated current)

5.0%

☆

P8.35

Zero current detection delay time

0.00s~600.00s

0.10s

☆

If the output current of the inverter is equal to or less than the zero current detection level and the duration exceeds the zero current detection delay time, the corresponding DO (P5.01=34) becomes

ON. The zero current detection is shown in the following figure.

P8.36

Output over-current threshold

0.0% (No detection)

0.1%~300.0% (motor rated current)

200.0%

☆

P8.37

Output over-current detection delay

time

0.00s~600.00s

0.00s

☆

Zero current detection

signal

P8.34

P8.35

Output

current

-63-

If the output current of the inverter is equal to or higher than the overcurrent threshold and the duration exceeds the detection delay time, the corresponding DO (P5.01=36) becomes ON. The

output overcurrent detection function is shown in the graph above.

P8.38

Current reached 1

0.0%~300.0% (motor rated current)

100.0%

☆

P8.39

Current reached amplitude 1

0.0%~300.0% (motor rated current)

0.0%

☆

P8.40

Current reached 2

0.0%~300.0% (motor rated current)

100.0%

☆

P8.41

Current reached amplitude 2

0.0%~300.0% (motor rated current)

0.0%

☆

If the output current of the inverter is within the positive and negative amplitudes of current reached detection value, the corresponding DO (P5.01=28/29) becomes ON.

P8.42

Timing function Disabled

☆

Enabled

P8.43

Timing duration source

P8.44 setting

☆

AI1

AI2

AI3

Output

current

Output over-current

signal

t t P8.36

P8.37

ON ON

OFF OFF OFF

Any current reaching amplitude

Any current detection

or relay

Output

current

time

Any current

reaching

-64-

4.11 Fault and protection: P9.00-P9.73

Code

Description

Setting range

Def

Res

P9.00

Motor overload protection

selection

Disabled

☆

Enabled

P9.01

Motor overload protection (time)

gain

0.20~10.00

☆

P9.00 = 0

P8.44

Timing duration

0.0Min~6500.0Min

0Min

☆

If P8.42 is set to 1, the inverter starts timing at startup. When the set timing duration is reached, the

inverter stops automatically and meanwhile the corresponding DO (P5.01=30) becomes ON.

The inverter starts timing from 0 each time it starts up and the remaining timing duration can be

queried by d0.20. The timing duration is set in P8.43 and P8.44, in unit of minute.

P8.45

AI1 protection lower limit

0.00V~P8.46

3.10V

☆

P8.46

AI1 protection upper limit

P8.45~10.00V

6.80V

☆

These two parameters are used to set the limits of the input voltage to provide protection on the Inverter. When the AI1 input is larger than the value of P8.46 or smaller than the value of P8.45, the

corresponding DO (P5.01=31) becomes ON, indicating that AI1 input exceeds the limit.

P8.47

Module temperature threshold

0.00℃~100℃

75℃

☆

When the heatsink temperature of the Inverter reaches the value of this parameter, the corresponding

DO (P5.01=35) becomes ON, indicating that the module temperature reaches the threshold.

P8.49

Wakeup frequency

Dormant frequency (P8.51) ~

maximum frequency (P0.10)

0.00Hz

☆

P8.50

Wakeup delay time

0.0s~6500.0s

0.0s

☆

P8.51

Dormant frequency

0.00Hz~wakeup frequency (P8.49)

0.00Hz

☆

P8.52

Dormant delay time

0.0s~6500.0s

0.0s

☆

When the inverter is in running state, if the set frequency is lower than or equal to the dormant frequency (P8.51), the inverter enters the dormant state and stops automatically after the dormant

delay time (P8.52).

When the inverter is in dormant state and the current running command is effective, if the set frequency is higher than or equal to the wakeup frequency (P8.49), the inverters starts up after the

wakeup delay time (P8.50).

Generally, set the wakeup frequency equal to or higher than the dormant frequency. If the wakeup

frequency and dormant frequency are set to 0, the dormant and wakeup functions are disabled.

When the dormant function is enabled, if the frequency source is PID, whether PID operation is performed in the dormant state is determined by PA.28. In this case, select PID operation enabled in

the stop state (PA.28 = 1).

P8.53

Current running time reached

0.0Min~6500.0Min

0Min

☆

Check P5.01=40.

P8.54

Output power adjustment

coefficient

0.0%~200.0%

100.0%

☆

When the output power (d0.05) is not equal to the required value, you can perform linear correction

on output power by using this parameter.

-65-

The motor overload protective function is disabled. The motor is exposed to potential overheating. A

thermal relay is suggested to be installed between the Inverter and the motor.

P9.00 = 1

The inverter judges whether the motor is overloaded according to the inverse time-lag curve of the

motor overload protection. The inverse time-lag curve of the motor overload protection is:

Motor Current (percentage of motor rated current)

Overload time (minutes)

115%

125%

135%

145%

155%

165%

2.5

175%

185%

1.5

195%

1 (60s)

225%

0.5 (30s)

245%

0.17 (10s)

P9.01 can increase or decrease the overload time by linear proportions. If the value of P9.01 is set too large, damage to the motor may result because the motor overheats but the Inverter does not

report the alarm.  Example 1: Motor rated current is 100A.

If P9.01=1 (default), when motor current reaches 125% of 100A (125A) and lasts for 40 minutes,

the inverter will output 11=E.oLt;

If P9.01=1.2, when motor current reaches 125% of 100A (125A) and lasts for 40*1.2=48 minutes,

the inverter will output 11=E.oLt.  Example 2: Inverters needs to output 11=E.oLt after motor running 2 minutes at 150% current.

150% (I) current is between 145% (I1) and 155% (I2); overload time should be between 6 minutes

(T1) and 4 minutes (T2).

If P9.01=1 (default), T=T1+(T2-T1) * (I-I1)/(I2-I1) =4+(6-4) *(150%-145%)/ (155%-145%)=5

minutes. To make this time to be 2 minutes, set P9.01=2/5=0.4.

-66-

P9.02

Motor overload pre-warning delay time coefficient

50%~100%

80%

☆

The inverter can give a pre-warning signal to the control system via DO or relay before motor

overload protection. The larger this value is; the longer delay of the pre-warning will be.

For example, P9.01=1, P9.02=80%, when motor current reaches 145% and lasts for 4.8 minutes

(80%*6), inverter will output motor overload pre-warning (P5.01=6).

P9.07

Power-on short-circuit to ground protection

Disabled

☆

Enabled

It is used to determine whether to check the motor is short-circuited to ground at power-on. If this

function is enabled, the inverter's UVW will have voltage output a while after power-on.

P9.08

Brake unit action initial voltage

700~800V

780V

☆

Requirement: 800V≥P9.08≥(1.414*Vs+30) Vs: input voltage of inverter

P9.09

Fault auto reset times

0~20

☆

It is used to set the times of fault auto resets if this function is used. After the value is exceeded, the

inverter will remain in the fault state.

P9.10

DO action during fault auto reset

No action

☆

Action

It is used to decide whether the DO acts during the fault auto reset if the fault auto reset function is

selected.

P9.11

Time interval of fault auto reset

0.1s~100.0s

☆

It is used to set the waiting time from the alarm of the Inverter to fault auto reset.

P9.12

Input phase loss

protection

One’s place

Input phase loss protection

☆

Disabled

Enabled

Ten’s place

Contactor energizing protection

Disabled

Enabled

It is used to determine whether to perform input phase loss or contactor energizing protection.

(Only available for DLA1 series inverter over 18.5KW models)

P9.13

Output phase loss protection

selection

Disabled

☆

Enabled

It is used to determine whether to perform output phase loss protection.

P9.14

1st fault type

0~51

●

P9.15

2nd fault type

0~51

●

P9.16

3rd (latest) fault type

0~51

●

-67-

It is used to record the types of the most recent three faults of the inverter. 0 indicates no fault. For

possible causes and solution of each fault, refer to Chapter 6.

Fault types:

Number

Fault display

Fault type

No fault

1=E.IGbt

IGBT protection

2=E.oCAC

Acceleration over current

3=E.oCdE

Deceleration over current

4=E.oCCo

Constant speed over current

5=E.oUAC

Acceleration over voltage

6=E.oUdE

Deceleration over voltage

7=E.oUCo

Constant speed over voltage

8=E.CPF

Control power fault

9=E.LU

Under voltage fault

10=E.oL1

Inverter overload

11=E.oLt

Motor overload

12=E.ILF

Input phase loss

13=E.oLF

Output phase loss

14=E.oH1

Module overheat

15=E.EIoF

External fault

16=E.CoF1

Communication fault

17=E.rECF

Contactor fault

18=E.HALL

Current detection fault

19=E.tUnE

Motor auto-tuning fault

20=E.PG1

Encoder fault

21=E.EEP

EEPROM read & write fault

22=E.HArd

Inverter hardware fault

23=E.SHot

Grounding fault

Reserved

26=E.ArA

Accumulative running time reached fault

27=E.USt1

User defined fault 1

28=E.USt2

User defined fault2

29=E.APA

Power-on time reached

30=E.ULF

Load becoming 0 fault

31=E.PID

PID feedback lost during running

40=E.CbC

IGBT current limiting fault

41=E.tSr

Running motor switchover fault

42=E.SdL

Speed deviation too large

43=E.oSF

Motor over speed

45=E.oHt

Motor over heat

51=E.PoSF

Initial position fault

P9.17

3rd fault frequency

●

It displays the frequency when the latest fault occurs.

P9.18

3rd fault current

● It displays the current when the latest fault occurs.

P9.19

3rd fault DC bus voltage

●

It displays the bus voltage when the latest fault occurs.

P9.20

3rd fault DI status

●

-68-

It displays the status of all DI terminals when the latest fault occurs. The sequence is as follows:

If a DI is ON, the setting is 1. If the DI is OFF, the setting is 0. The value is the equivalent

decimal number converted from the DI status.

P9.21

3rd fault output status

●

It displays the status of all output terminals when the latest fault occurs. The sequence is as follows:

If an output terminal is ON, the setting is 1. If the output terminal is OFF, the setting is 0. The

value is the equivalent decimal number converted from the DI statuses

P9.22

3rd fault inverter status

Reserved

●

P9.23

3rd fault power-on time

●

It displays the present power-on time when the latest fault occurs.

P9.24

3rd fault running time

●

It displays the present running time when the latest fault occurs.

P9.27

2nd fault frequency

●

It displays the frequency when the 2

fault occurs.

P9.28

2nd fault current

●

It displays the current when the 2

fault occurs.

P9.29

2nd fault DC bus voltage

●

It displays the bus voltage when the 2

fault occurs.

P9.30

2nd fault DI status

● Refer to P9.20

P9.31

2nd fault output status

● Refer to P9.21

P9.32

2nd fault inverter status

Reserved

●

P9.33

Power-on time upon 2nd fault

●

It displays the present power-on time when the 2

fault occurs.

P9.34

2nd fault running time

●

It displays the present running time when the 2

fault occurs.

P9.37

1st fault frequency

●

It displays the frequency when the latest 1

occurs.

P9.38

1st fault current

●

It displays the current when the 1

fault occurs.

P9.39

1st fault DC bus voltage

●

It displays the bus voltage when the 1

fault occurs.

BIT9 BIT8 BIT7 BIT6 BIT5 BIT4 BIT3 BIT2 BIT1 BIT0

DI1 DI2 DI3 DI4 DI5 DI6 DI7 DI8 DI9 DI0

BIT4 BIT3 BIT2 BIT1 BIT0

FMP REL1 REL2

DO1

DO2

-69-

P9.40

1st fault DI status

●

Refer to P9.20

P9.41

1st fault output status

● Refer to P9.21

P9.42

1st fault inverter status

Reserved

●

P9.43

1st fault power-on time

●

It displays the present power-on time when the 1

fault occurs.

P9.44

1st fault running time

●

It displays the present running time when the 1

fault occurs.

-70-

-71-

If "Coast to stop" is selected, the inverter displays E.**** and directly stops.

If "Stop by stop mode" is selected, the inverter displays A.**** and stops according to the stop

mode. After stop, the inverter displays E.****.

If "Resume running" is selected, the inverter continues to run and displays A.****. The running

frequency is set in P9.54.

P9.54

Frequency selection for

resuming running upon fault

Current running frequency

☆

Set frequency

Frequency upper limit

Frequency lower limit

Backup frequency upon abnormality

P9.55

Backup frequency upon

abnormality

60.0%~100.0%

100

☆

If a fault occurs during the running of the inverter and the handling of fault is set to "resume

running", the inverter displays A.** and continues to run at the frequency set in P9.54. The setting of P9.55 is a percentage relative to the maximum frequency.

P9.56

Motor temperature sensor type No temperature sensor

☆

PT100

PT1000

P9.57

Motor overheat protection

threshold

0℃~200℃

110℃

☆

P9.58

Motor overheat pre-warning

threshold

0℃~200℃

90℃

☆

The signal of the motor temperature sensor needs to be connected to the optional I/O extension card. AI3x on the extension card can be used for the temperature signal input. The motor temperature sensor is connected to AI3 and PGND of the extension card. The AI3s terminal of the DLA1 supports both PT100 and PT1000. Set the sensor type correctly during the use. You can view the

motor temperature via d0.34.

If the motor temperature exceeds the value set in P9.57, the inverter reports an alarm and acts

according to the selected fault protection action.

If the motor temperature exceeds the value set in P9.58, the DO terminal on the inverter allocated

with function 39 (Motor overheat pre-warning) becomes ON.

-72-

P9.59

Instantaneous power failure

action selection Invalid

☆

DC bus voltage constant control

Decelerate to stop

P9.60

Instantaneous power failure

resuming voltage

85.0%~120.0%

85.0%

☆

P9.61

Instantaneous power failure voltage

judging time

0.00s~100.00s

0.50s

☆

P9.62

Instantaneous power failure

action DC bus voltage

60.0%~85.0% (Standard DC bus voltage

)

80.0%

☆

P9.71

Instantaneous power failure gain

0~100

☆

P9.72

Instantaneous power failure

integral coefficient Ki

0~100

☆

P9.73

Instantaneous power failure

deceleration time

0~300.0s

20.0s

☆

Upon instantaneous power failure or sudden voltage dip, the DC bus voltage of the inverter reduces. This function enables the inverter to compensate the DC bus voltage reduction with the load

feedback energy by reducing the output frequency so as to keep the inverter running continuously.

• If P9.59 = 1, once the bus voltage resumes to normal, the inverter accelerates to

the set frequency.

• If P9.59 = 2, upon instantaneous power failure or sudden voltage dip, the inverter will continue decelerating until 0Hz, stop and wait for next start command. This function is to ensure motor will not coast to stop at power failure or sudden voltage dip. When load inertia is high, coast to stop will take too much time. In addition, coast to stop can easily cause the inverter over-

current or overload.

Bus

voltage

Running

Frequency

P9.62

Running

Frequency

(P9.59=1 :

)

P9.60

(P9.59=2) :

P9.61

Deceleration

time 3

Deceleration

time 4

Acceleration

P9.60

-73-

P9.63

Protection upon load becoming

Disabled

☆

Enabled

P9.64

Detection level of load

becoming 0

0.0%~100.0% (motor rated

current)

10.0%

☆

P9.65

Detection time of load becoming

0.0s~60.0s

1.0s

☆

If protection upon load becoming 0 is enabled, when the output current of the inverter is lower than the detection level (P9.64) and the lasting time exceeds the detection time (P9.65), the output frequency of the inverter automatically declines to 7% of the rated frequency. During the protection,

the inverter automatically accelerates to the set frequency if the load resumes to normal.

P9.67

Over-speed detection value

0.0%~50.0% (maximum

frequency)

20.0%

☆

P9.68

Over-speed detection time

0.0s~60.0s

1.0s

☆

This function is valid only when the inverter runs in the FVC mode.

If the actual motor rotational speed detected by the inverter exceeds the maximum frequency and the excessive value is greater than the value of P9.67 and the lasting time exceeds the value of

P9.68, the inverter reports 43=E.oSF and acts according to the selected fault protection action.

If the over-speed detection time is 0.0s, the over-speed detection function is disabled.

P9.69

Detection value of too large

speed deviation

0.0%~50.0% (maximum

frequency)

20.0%

☆

P9.70

Detection time of too large

speed deviation

0.0s~60.0s

5.0s

☆

This function is valid only when the Inverter runs in the FVC mode.

If the inverter detects the deviation between the actual motor rotational speed detected by the inverter and the set frequency is greater than the value of P9.69 and the lasting time exceeds the

value of P9.70, the inverter reports 42=E.Sdl and according to the selected fault protection action.

If P9.70 (Detection time of too large speed deviation) is 0.0s, this function is disabled.

-74-

4.12 PID functions: PA.00-PA.28

PID control is a general process control method. By performing proportional, integral and differential operations on the difference between the feedback signal and the target signal, it adjusts the output

frequency and constitutes a feedback system to stabilize the controlled counter around the target value.

It is applied to process control such as flow control, pressure control and temperature control. The

following figure shows the principle block diagram of PID control.

Code

Description

Setting range

Def

Res

PA.00

D setting source

PA.01 setting

☆

AI1

AI2 2 AI3

Reserved

Communication setting

Multi-speed

PA.01

PID digital setting

0.0%~100.0%

50.0%

☆

The PID setting is a relative value and ranges from 0.0% to 100.0%. The PID feedback is also a

relative value. The purpose of PID control is to make the PID setting and PID feedback equal.

PA.02

PID

feedback source

AI1

☆

AI2 1 AI3

Reserved

Communication setting

AI1 5 AI1+AI2

MAX (|AI1|, |AI2|)

MIN (|AI1|, |AI2|)

This parameter is used to select the feedback signal channel of process PID. The PID feedback is a

relative value and ranges from 0.0% to 100.0%.

PA.03

PID action direction

Forward action

☆

Reverse action

0: Forward action

Target

Feedback

PID

output

Td*s+1

-75-

When the feedback value is smaller than the PID setting, the inverter's output frequency rises. For

example, the winding tension control requires forward PID action.

1: Reverse action

When the feedback value is smaller than the PID setting, the inverter's output frequency reduces.

For example, the unwinding tension control requires reverse PID action. Note that this function is influenced by the DI function 35 "Reverse PID action direction"

PA.04

PID feedback range

0~65535

1000

☆

This parameter is a non-dimensional unit. It is used for PID setting display (d0.15) and PID

feedback display (d0.16).

Relative value 100% of PID setting feedback corresponds to the value of PA.04. If PA.04 is set to

2000 and PID setting is 100.0%, the PID setting display (d0.15) is 2000.

PA.05

Proportional gain K

0.0~100.0

20.0

☆

PA.06

Integral time Ti

0.01s~10.00s

2.00s

☆

PA.07

Differential time Td

0.00~10.000

0.000s

☆

 Proportional gain Kp1:

It decides the regulating intensity of the PID regulator. The higher the

is, the larger the regulating intensity is. The value 100.0 indicates when the deviation between PID feedback and PID setting is 100.0%, the adjustment amplitude of the PID regulator on the output frequency reference

is the maximum frequency.  Integral time Ti1:

It decides the integral regulating intensity. The shorter the integral time is, the larger the regulating intensity is. When the deviation between PID feedback and PID setting is 100.0%, the integral regulator performs continuous adjustment for the time set in PA. 06. Then the adjustment amplitude

reaches the maximum frequency.  Differential time Td1:

It decides the regulating intensity of the PID regulator on the deviation change. The longer the differential time is, the larger the regulating intensity is. Differential time is the time within which the feedback value change reaches 100.0%, and then the adjustment amplitude reaches the

maximum frequency.

PA.08

Cut-off frequency of PID reverse rotation

0.00~ maximum frequency

2.00Hz

☆

In some situations, only when the PID output frequency is a negative value (Inverter reverse rotation), PID setting and PID feedback can be equal. However, too high reverse rotation frequency is prohibited in some applications, and PA.08 is used to determine the reverse rotation frequency

upper limit.

PA.09

PID deviation limit

0.0%~100.0%

0.0%

☆

If the deviation between PID feedback and PID setting is smaller than the value of PA.09, PID control stops. The small deviation between PID feedback and PID setting will make the output

frequency stabilize, effective for some closed-loop control applications.

PA.10

PID differential limit

0．00%~100.00%

0.10%

☆

It is used to set the PID differential output range. In PID control, the differential operation may

easily cause system oscillation. Thus, the PID differential regulation is restricted to a small range.

PA.11

PID setting change time

0.00s~650.00s

0.00s

☆

The PID setting change time indicates the time required for PID setting changing from 0.0% to

100.0%. The PID setting changes linearly according to the change time, reducing the impact

caused by sudden setting change on the system.

PA.12

PID feedback filter time

0.00s~60.00s

0.00s

☆

PA.13

PID output filter time

0.00s~60.00s

0.00s

☆

-76-

PA.12 is used to filter the PID feedback, helping to reduce interference on the feedback but

slowing the response of the process closed-loop system.

PA.13 is used to filter the PID output frequency, helping to weaken sudden change of the

Inverter output frequency but slowing the response of the process closed-loop system.

PA.14

Reserved

- - -

PA.15

Proportional gain K

0.0~100.0

20.0

☆

PA.16

Integral time Ti

0.01s~10.00s

2.00s

☆

PA.17

Differential timeTd

0.00~10.000

0.000

☆

PA.18

PID parameter switchover condition

No switchover

☆

Switchover via DI

Automatic switchover based on deviation

PA.19

PID parameter switchover deviation 1

0.0%~PA.20

20.0% ☆ PA.20

PID parameter switchover deviation 2

PA.19~100.0%

80.0%

☆

In some applications, PID parameters switchover is required when one group of PID parameters

cannot satisfy the requirement of the whole running process.

These parameters are used for switchover between two groups of PID parameters. Regulator

parameters PA.15 to PA.17 are set in the same way as PA.05 to PA.07.

The switchover can be implemented either via a DI terminal or automatically implemented based on

the deviation.

If you select switchover via a DI terminal, the DI must be allocated with function 43 "PID parameter switchover". If the DI is OFF, group 1 (PA.05 to PA.07) is selected. If the DI is ON,

group 2 (PA.15 to PA.17) is selected.

If you select automatic switchover, when the absolute value of the deviation between PID feedback and PID setting is smaller than the value of PA.19, group 1 is selected. When the absolute value of the deviation between PID feedback and PID setting is higher than the value of PA.20, group 2 is selected. When the deviation is between PA.19 and PA.20, the PID parameters are the linear

interpolated value of the two groups of parameter values.

PA.21

D initial value

0.0%~100.0%

0.0%

☆

PA.19

PA.20

PID

deviation

Parameters

PA.05、

PA.06、

PA.07

PA.15

、

PA.16

、

PA.17

-77-

PA.22

PID initial value holding time

0.00s~650.00s

0.00s

☆

When the Inverter starts up, the PID starts closed-loop algorithm only after the PID output is fixed

to the PID initial value (PA.21) and lasts the time set in PA.22.

This function is used to limit the deviation between two PID outputs (2 ms per PID output) to

suppress the rapid change of PID output and stabilize the running of the Inverter.

PA.23

Maximum deviation between two PID outputs in forward

direction

0.00%~100.00%

1.00%

☆

PA.24

Maximum deviation between two PID outputs in reverse

direction

0.00%~100.00%

1.00%

☆

PA.23 and PA.24 respectively correspond to the maximum absolute value of the output deviation in

forward direction and in reverse direction.

PA.25

PID integral property

One’s place

Integral separation

☆

Invalid

Valid

Ten’s place

Selection when the output

reaches the limit

Continue integral

Stop integral

PA.26

Detection value of PID feedback loss

Not judging feedback loss

0.0%

☆

0.1%~100.0%

0.1%

PA.27

Detection time of PID feedback loss

0.0s~20.0s

☆

These parameters are used to judge whether PID feedback is lost.

If the PID feedback is smaller than the value of PA.26 and the lasting time exceeds the value of

PA.27, the inverter reports 31=E.PID and acts according to the selected fault protection action.

PA.28

PID operation at stop

No PID operation

☆

PID operation continues

It is used to select whether to continue PID operation in the state of stop. Generally, the PID

operation stops when the inverter stops.

Output Frequency

PA.21

PA.22

-78-

4.13 Swing Frequency, Fixed Length and Count: PB.00-PB.09

The swing frequency function is applied to the textile and chemical fiber fields and the applications

where traversing and winding functions are required.

The swing frequency function indicates that the output frequency of the inverter swings up and down with the set frequency as the center. The trace of running frequency at the time axis is shown in the

following figure.

The swing amplitude is set in PB.00 and PB.01. When PB.01 is set to 0, the swing amplitude is 0 and

the swing frequency does not take effect.

Code

Description

Setting range

Def

Res

PB.00

Swing frequency relativity setting

Relative to the central frequency

☆

Relative to the maximum frequency

0: Relative to the central frequency (P0.07 frequency source selection)

It is variable swing amplitude system. The swing amplitude varies with the central frequency (set

frequency). 1: Relative to the maximum frequency (P0.10 maximum output frequency) It is fixed swing amplitude system. The swing amplitude is fixed.

PB.01

Swing frequency amplitude

0.0%~100.0%

☆

PB.02

Swing jump frequency

amplitude

0.0%~50.0%

☆

These parameters are used to determine the swing amplitude and jump frequency amplitude. The

swing frequency is limited by the swing frequency upper limit and swing frequency lower limit.

• If relative to the central frequency (PB.00 = 0), the actual swing amplitude AW is the calculation

result of P0.07 (Frequency source selection) multiplied by PB.01.

• If relative to the maximum frequency (PB.00 = 1), the actual swing amplitude AW is the

calculation result of P0.10 (Maximum frequency) multiplied by PB.01.

Swing jump frequency = Swing amplitude AW x PB.02 (Swing jump frequency amplitude). Swing

jump frequency is a percentage related to PB.01.

• If relative to the central frequency (PB.00 = 0), the swing jump frequency is a variable value.

Output

Frequency

Fset

运行命令

accelerate by

acceleration time

Swing cycle

Triangular

Rising time

Decelerate by

deceleration time

time

+Aw

-Aw

Pb.00=1

Aw=Fmax*Pb.01

=Aw*Pb.02

Aw=Fset*Pb.01

Pb.00=0

Swing upper limit

Swing lower limit

Set frequency

-79-

• If relative to the maximum frequency (PB.00 = 1), the swing jump frequency is a fixed value. The

swing frequency is limited by the frequency upper limit and frequency lower limit.

PB.03

Swing frequency cycle

0.0s~3000.0s

☆

PB.04

Triangular wave rising time

coefficient

0.0%~100.0%

☆

PB.03 specifies the time of a complete swing frequency cycle.

PB.04 specifies the time percentage of triangular wave rising time to PB.03 (Swing frequency

cycle).

• Triangular wave rising time = PB.03 (Swing frequency cycle) x PB.04 (Triangular wave rising

time coefficient, unit: s)

• Triangular wave falling time = PB.03 (Swing frequency cycle) x (1 - PB.04 Triangular wave rising

time coefficient, unit: s) PB.05

Set length

0m~65535m

1000m

☆

PB.06

Actual length

0m~65535m

☆

PB.07

Number of pulses per meter

0.1~6553.5

100.0

☆

The preceding parameters are used for fixed length control.

The length information is collected by DI terminals. PB.06 (Actual length) is calculated by dividing

the number of pulses collected by the DI terminal by PB.07 (Number of pulses each meter).

When the actual length PB.06 exceeds the set length in PB.05, the DO terminal allocated with

function 10 (Length reached) becomes ON.

During the fixed length control, the length reset operation can be performed via the DI terminal

allocated with function 28. For details, see the descriptions of P4.00 to P4.09.

Allocate corresponding DI terminal with function 27 (Length count input) in applications. If the

pulse frequency is high, DI5 must be used. PB.08

Set count value

1~65535

1000

☆

PB.09

Designated count value

1~65535

1000

☆

The count value needs to be collected by DI terminal. Allocate the corresponding DI terminal with

function 25 (Counter input) in applications. If the pulse frequency is high, DI5 must be used.

When the count value reaches the set count value (PB.08), the DO terminal allocated with function

8 (Set count value reached) becomes ON. Then the counter stops counting.

When the counting value reaches the designated counting value (PB.09), the DO terminal allocated with function 9 (Designated count value reached) becomes ON. Then the counter continues to count

until the set count value is reached.

PB.09 should be equal to or smaller than PB.08.

-80-

4.14 Multi-speed and simple PLC: PC.00-PC.51

DLA1 multi-speed has many functions. Besides multi-speed, it can be used as the setting source of the

V/F separated voltage source and setting source of process PID.

Code

Description

Setting range

Def

Res

PC.00

Multi-speed 0

-100.0%~100.0%

☆

PC.01

Multi-speed 1

-100.0%~100.0%

☆

PC.02

Multi-speed 2

-100.0%~100.0%

☆

PC.03

Multi-speed 3

-100.0%~100.0%

☆

PC.04

Multi-speed 4

-100.0%~100.0%

☆

PC.05

Multi-speed 5

-100.0%~100.0%

☆

PC.06

Multi-speed 6

-100.0%~100.0%

☆

PC.07

Multi-speed 7

-100.0%~100.0%

☆

PC.08

Multi-speed 8

-100.0%~100.0%

☆

PC.09

Multi-speed 9

-100.0%~100.0%

☆

PC.10

Multi-speed 10

-100.0%~100.0%

☆

PC.11

Multi-speed 11

-100.0%~100.0%

☆

PC.12

Multi-speed 12

-100.0%~100.0%

☆

PC.13

Multi-speed 13

-100.0%~100.0%

☆

PC.14

Multi-speed 14

-100.0%~100.0%

☆

PC.15

Multi-speed 15

-100.0%~100.0%

☆

Multi-speed can be the setting source of frequency, V/F separated voltage and process PID. The

multi-speed is relative value and ranges from -100.0% to 100.0%.

As frequency source, it is a percentage relative to the maximum frequency. As V/F separated voltage source, it is a percentage relative to the motor rated voltage. As process PID setting source, it does not

require conversion.

Multi-speed can be switched over based on different states of DI terminals. For details, see the

descriptions of group P4.

PC.16

Simple PLC running mode

Stop after one cycle

☆

Keep final values after one cycle

Repeat after one cycle

-81-

0: Stop after one cycle The inverter stops after running one cycle, and will not start up until receiving another command.

1: Keep final values after one cycle The Inverter keeps the final running frequency and direction after running one cycle.

2: Repeat after one cycle

The inverter automatically starts another cycle after running one cycle, and will not stop until

receiving the stop command.

Simple PLC can be either the frequency source or V/F separated voltage source.

When simple PLC is used as the frequency source, whether parameter values of PC.00 to PC.15 are positive or negative determines the running direction. If the parameter values are negative, it indicates

that the inverter runs in reverse direction.

PC.17

Simple PLC retentive selection

One’s place

Upon power off

☆

Yes

Ten’s place

Upon stop

0 Yes

The inverter can memorize the PLC running section and running frequency upon power off and will continue to run from the memorized section after it is powered on again. If set to 0, the inverter

restarts the PLC process after it is powered on again.

The inverter can also record the PLC running section and running frequency upon stop and will continue to run from the recorded moment after it starts up again. If the ten's place is set to 0, the

inverter restarts the PLC process after it starts up again.

PC.18

Simple PLC section 0 running time

0.0s (h) ~6553.5s (h)

0.0s (h)

☆

running

direction

PC.00

PC.21

PC.01

PC.18

PC.20

PC.23

PC.02

PC.14

PC.15

250ms pulse

time

RELAY

Output

PC.19

-82-

PC.19

Simple PLC section 0 running

acceleration/deceleration time

0~3

☆

PC.20

Simple PLC section 1 running time

0.0s (h) ~6553.5s (h)

0.0s (h)

☆

PC.21

Simple PLC section 1 running

acceleration/deceleration time

0~3

☆

PC.22

Simple PLC section 2 running time

0.0s (h) ~6553.5s (h)

0.0s (h)

☆

PC.23

Simple PLC section 2 running

acceleration/deceleration time

0~3

☆

PC.24

Simple PLC section 3 running time

0.0s (h) ~6553.5s (h)

0.0s (h)

☆

PC.25

Simple PLC section 3 running

acceleration/deceleration time

0~3

☆

PC.26

Simple PLC section 4 running time

0.0s (h) ~6553.5s (h)

0.0s (h)

☆

PC.27

Simple PLC section 4 running

acceleration/deceleration time

0~3

☆

PC.28

Simple PLC section 5 running time

0.0s (h) ~6553.5s (h)

0.0s (h)

☆

PC.29

Simple PLC section 5 running

acceleration/deceleration time

0~3

☆

PC.30

Simple PLC section 6 running time

0.0s (h) ~6553.5s (h)

0.0s (h)

☆

PC.31

Simple PLC section 6 running

acceleration/deceleration time

0~3

☆

PC.32

Simple PLC section 7 running time

0.0s (h) ~6553.5s (h)

0.0s (h)

☆

PC.33

Simple PLC section 7 running

acceleration/deceleration time

0~3

☆

PC.34

Simple PLC section 8 running time

0.0s (h) ~6553.5s (h)

0.0s (h)

☆

PC.35

Simple PLC section 8 running

acceleration/deceleration time

0~3

☆

PC.36

Simple PLC section 9 running time

0.0s (h) ~6553.5s (h)

0.0s (h)

☆

PC.37

Simple PLC section 9 running

acceleration/deceleration time

0~3

☆

PC.38

Simple PLC section 10 running time

0.0s (h) ~6553.5s (h)

0.0s (h)

☆

PC.39

Simple PLC section 10 running

acceleration/deceleration time

0~3

☆

PC.40

Simple PLC section 11 running time

0.0s (h) ~6553.5s (h)

0.0s (h)

☆

PC.41

Simple PLC section 11 running

acceleration/deceleration time

0~3

☆

PC.42

Simple PLC section 12 running time

0.0s (h) ~6553.5s (h)

0.0s (h)

☆

PC.43

Simple PLC section 12 running

acceleration/deceleration time

0~3

☆

PC.44

Simple PLC section 13 running time

0.0s (h) ~6553.5s (h)

0.0s (h)

☆

PC.45

Simple PLC section 13 running

acceleration/deceleration time

0~3

☆

-83-

PC.46

Simple PLC section 14 running time

0.0s (h) ~6553.5s (h)

0.0s (h)

☆

PC.47

Simple PLC section 14 running

acceleration/deceleration time

0~3

☆

PC.48

Simple PLC section 15 running time

0.0s (h) ~6553.5s (h)

0.0s (h)

☆

PC.49

Simple PLC section 15 running

acceleration/deceleration time

0~3

☆

PC.50

Time unit of simple PLC running s (s)

☆

h (hour)

PC.51

Multi-speed 0 source selection

PC.00 setting

☆

AI1 1 AI2 2 AI3

Pulse setting

PID

Set by P0.08, modified

via UP/DOWN

It determines the setting channel of multi-speed 0.

You can perform convenient switchover between the setting channels. When multi-speed or simple PLC is used as frequency source, the switchover between two frequency sources can be realized

easily.

-84-

4.15 Communication parameters: PD.00-PD.06

Please refer to DLA1 communication protocol in Chapter 7.

Code

Description

Setting range

Def

Res

PD.00

Bit rate

One’s place

MODBUS

6005

☆

300BPS

600BPS

1200BPS

2400BPS

4800BPS

9600BPS

19200BPS

38400BPS

57600BPS

115200BPS

PD.01

Data type

8-N-2

☆

8-E-1

8-O-1

8-N-1

PD.02

This device address

1-247, 0 is master station address

☆

PD.03

Response delay

0ms-20ms

☆

PD.04

Communication over-time

0.0 (invalid), 0.1s-60.0s

0.0

☆

PD.05

Data transfer format

One’s place

MODBUS

☆

Non-standard MODBUS protocol

Standard MODBUS protocol

PD.06

Current resolution

0.01A

☆

0.1A

-85-

4.16 Function code management: PP.00-PP.04

Code

Description

Setting range

Def

Res

PP.00

User password

0~65535

☆

If it is set to any non-zero number, the password protection function is enabled. After a password has been set and taken effect, you must enter the correct password in order to enter the menu. If

the entered password is incorrect you cannot view or modify parameters.

If PP.00 is set to 00000, the previously set user password is cleared, and the password protection

function is disabled.

PP.01

Parameter initialization

No operation

★

Restore factory settings except motor

parameters

Clear records

Backup current parameters to control

board memory

Use control board memory to restore parameters

501

PP.02

Inverter parameter display property

One’s place

Group d display selection

★

No display

Display

Ten’s place

Group B display selection

No display

Display

PP.03

User’s parameter display

property

One’s place

Display selection

☆

No display

0 Display

Ten’s place

Special parameter display

No display

Display

PP.04

Parameter modification

property

Modifiable

0 Not modifiable

It is used to set whether the parameters are modifiable to avoid mal-function. If it is set to 0, all

parameters are modifiable. If it is set to 1, all parameters can only be viewed.

-86-

4.17 Torque control parameters: B0.00-B0.08

Code

Description

Setting range

Def

Res

B0.00

Speed/Torque control selection Speed control

★

Torque control

DLA1 provides DI terminals with two torque related functions, function 29 (Torque control prohibited) and function 46 (Speed control/Torque control switchover). The two DI terminals need

to be used together with B0.00 to implement speed control/torque control switchover.

If the DI terminal allocated with function 46 (Speed control/Torque control switchover) is OFF, the control mode is determined by B0.00. If the DI terminal allocated with function 46 is ON, the

control mode is reverse to the value of B0.00.

However, if the DI terminal with function 29 (Torque control prohibited) is ON, the Inverter is

fixed to run in the speed control mode.

B0.01

Torque setting source selection

Digital setting (B0.03)

★

AI1 1 AI2 2 AI3

Reserved

Communication setting

MIN (AI1, AI2)

MAX (AI1, AI2)

B0.03

Torque digital setting

-200.0%~200.0%

150%

☆

B0.01 is used to set the torque setting source. There are a total of eight torque setting sources.

The torque setting is a relative value. 100.0% corresponds to the Inverter's rated torque. The setting range is -200.0% to 200.0%, indicating the inverter's maximum torque is twice of the

inverter's rated torque.

If the torque setting is positive, the inverter rotates in forward direction. If the torque setting is

negative, the inverter rotates in reverse direction.

B0.05

Torque control forward

maximum frequency

0.00Hz~ maximum frequency

00Hz

☆

B0.06

Torque control reverse

maximum frequency

0.00Hz~ maximum frequency

00Hz

☆

B0.07

Acceleration time in torque

control mode

0.00s~65000s

0.00s

☆

B0.08

Deceleration time in torque

control mode

0.00s~65000s

0.00s

☆

-87-

4.18 Control optimization parameters: B5.00-B5.09

Code

Description

Setting range

Def

Res

B5.00

DPWM switchover frequency upper limit

0.00Hz~15.00Hz

12.00Hz

☆

This parameter is valid only for V/F control.

It is used to determine the wave modulation mode in V/F control of asynchronous motor. If the frequency is lower than the value of this parameter, the waveform is 7 -segment continuous modulation. If the frequency is higher than the value of this parameter, the waveform is 5-segment

intermittent modulation.

The 7-segment continuous modulation causes more loss to switches of the Inverter but smaller current ripple. The 5-segment intermittent modulation causes less loss to switches of the Inverter but larger current ripple. This may lead to motor running instability at high frequency. Do not

modify this parameter generally.

For instability of V/F control, refer to parameter P3.11. For loss to Inverter and temperature rise,

refer to parameter P0.15.

B5.01

PWM modulation mode

Asynchronous modulation

☆

Synchronous modulation

This parameter is valid only for V/F control.

Synchronous modulation indicates that the carrier frequency varies linearly with the change of the output frequency, ensuring that the ratio of carrier frequency to output frequency remains unchanged. Synchronous modulation is generally used at high output frequency, which helps

improve the output voltage quality.

At low output frequency (100 Hz or lower), synchronous modulation is not required. This is because asynchronous modulation is preferred when the ratio of carrier frequency to output

frequency is high.

Synchronous modulation takes effect only when the running frequency is higher than 85 Hz. If the

frequency is lower than 85 Hz, asynchronous modulation is always used.

B5.02

Dead zone compensation

mode selection

No compensation

☆

Compensation mode 1

Generally, you need not modify this parameter. Try to use a different compensation mode only when there is special requirement on the output voltage waveform quality or oscillation occurs on

the motor.

B5.03

Random PWM depth

Random PWM invalid

☆

Random PWM depth selection

1~10

The setting of random PWM depth can make the shrill motor noise softer and reduce the

electromagnetic interference. If this parameter is set to 0, random PWM is invalid.

B5.04

Rapid current limit Disabled

☆

Enabled

The rapid current limit function can reduce the inverter's overcurrent faults at maximum,

guaranteeing uninterrupted running of the inverter.

However, long-time rapid current limit may cause the inverter to overheat, which is not allowed. If

so, the inverter will output 40=E.CbC, indicating the inverter is overloaded and needs to stop.

-88-

B5.05

Current detection

compensation

0~100

☆

It is used to set the Inverter current detection compensation. Too large value may lead to

deterioration of control performance. Do not modify it generally.

B5.06

Under voltage threshold

210V ~ 420V

350V

☆

It is used to set the under voltage threshold of 9=E.LU. The under voltage threshold 100% of the inverter of different voltage classes corresponds to different nominal values, as listed in the

following table.

Voltage Class

Nominal Value of Under voltage threshold

Single-phase 220 V

200 V

Three-phase 220 V

200 V

Three-phase 380 V

350 V

Three-phase 480 V

450 V

Three-phase 690 V

650 V

B5.07

SVC optimization mode selection

Optimization mode 1

☆

Optimization mode2

1: Optimization mode 1 It is used when the requirement on torque control linearity is high.

2: Optimization mode 2 It is used for the requirement on speed stability is high.

B5.08

Dead-zone time adjustment

100%~200%

150%

☆

It is only valid for 1140 V voltage class.

You can modify the value of this parameter to improve the voltage utilization rate. Too small value may system instability. Do not modify it generally.

B5.09

Overvoltage threshold

200.0V~2500.0V

810.0V

☆

It is used to set the overvoltage threshold of the inverter. The default values of different voltage

classes are listed in the following table.

Voltage Class

Default Overvoltage Threshold

Single-phase 220 V

400.0 V

Three-phase 220 V

400.0 V

Three-phase 380 V

810.0 V

Three-phase 480 V

890.0 V

Three-phase 690 V

1300.0 V

-89-

5 Fault and solutions

5.1 Alarms and solutions

DLA1 provides a total of 51 fault information and protective functions. After a fault occurs, the inverter implements the protection function, and displays the fault code on the keyboard (if the keyboard is

available).

Before contacting DORNA for technical support, you can first determine the fault type, analyze the causes, and perform troubleshooting according to the following tables. If the fault cannot be rectified,

contact the official distributor or DORNA directly.

22=E.HArd is the inverter hardware over-current or over-voltage signal. In most situations, hardware

over-voltage fault causes 22=E.HArd.

Fault

Display

Possible Causes

Solutions

1=E.IGbt

1: The output circuit is grounded or short circuited. 2: The connecting cable of the motor is too long. 3: The module overheats. 4: Internal connections is loose. 5: Main control board is faulty. 6: The power board is faulty. 7: IGBT is faulty.

1: Eliminate external faults. 2: Install a reactor or an output filter. 3: Check the air filter and the fan. 4: Connect all cables properly. 5: Contact the distributor.

2=E.oCAC

1: The output circuit is grounded or short circuited. 2: Motor auto-tuning is not performed. 3: The acceleration time is too short. 4: Manual torque boost or V/F curve is not appropriate. 5: The voltage is too low. 6: The startup operation is performed on the rotating motor. 7: A sudden load is added during acceleration. 8: The Inverter model is of too small power class.

1: Eliminate external faults. 2: Perform the motor auto-tuning. 3: Increase the acceleration time. 4: Adjust the manual torque boost or V/F curve. 5: Adjust the voltage to normal range. 6: Select rotational speed tracking restart or start the motor after it stops. 7: Remove the added load. 8: Select an Inverter of higher power class.

3=E.oCdE

1: The output circuit is grounded or short circuited. 2: Motor auto-tuning is not performed. 3: The deceleration time is too short. 4: The voltage is too low. 5: A sudden load is added during deceleration. 6: The braking unit and braking resistor are not installed.

1: Eliminate external faults. 2: Perform the motor auto-tuning. 3: Increase the deceleration time. 4: Adjust the voltage to normal range. 5: Remove the added load. 6: Install the braking unit and braking resistor.

-90-

Fault Name

Display

Possible Causes

Solutions

Constant speed

over current

4=E.oCCo

1: The output circuit is grounded or short circuited. 2: Motor auto-tuning is not performed. 3: The voltage is too low. 4: A sudden load is added during operation. 5: The Inverter model is of too small power class.

1: Eliminate external faults. 2: Perform the motor autotuning. 3: Adjust the voltage to normal range. 4: Remove the added load. 5: Select an Inverter of higher power class.

Acceleration

over voltage

5=E.oUAC

1: The input voltage is too high. 2: An external force drives the motor during acceleration. 3: The acceleration time is too short. 4: The braking unit and braking resistor are not installed.

1: Adjust the voltage to normal range. 2: Cancel the external force or install a braking resistor. 3: Increase the acceleration time. 4: Install the braking unit and braking resistor.

Deceleration

over voltage

6=E.oUdE

1: The input voltage is too high. 2: An external force drives the motor during deceleration. 3: The deceleration time is too short. 4: The braking unit and braking resistor are not installed.

1: Adjust the voltage to normal range. 2: Cancel the external force or install the braking resistor. 3: Increase the deceleration time. 4: Install the braking unit and braking resistor.

Constant speed

over voltage

7=E.oUCo

1: The input voltage is too high. 2: An external force drives the

motor during deceleration.

1: Adjust the voltage to normal range. 2: Cancel the external force or install the braking resistor.

Control power fault

8=E.CPF

The input voltage is not within the allowable range.

Adjust the input voltage to the allowable range.

Under voltage

9=E.LU

1: Instantaneous power failure occurs on the input power supply. 2: The Inverter's input voltage is not within the allowable range. 3: The bus voltage is abnormal.

4: The rectifier bridge and buffer resistor are faulty. 5: The drive board is faulty.

6: The main control board is faulty.

1: Reset the fault. 2: Adjust the voltage to

normal range. 3: Contact the official

distributor or DORNA directly.

Inverter overload

10=E.oL1

1: The load is too heavy or lockedrotor occurs on the motor. 2: The Inverter model is of too small power class.

1: Reduce the load and check the motor and mechanical condition. 2: Select an Inverter of higher power class.

-91-

Fault Name

Display

Possible Causes

Solutions

Motor overload

11=E.oLt

1: F9-01 is set improperly. 2: The load is too heavy or

locked- rotor occurs on the motor. 3: The Inverter model is of too

small power class.

1: Set F9-01 correctly. 2: Reduce the load and check the motor and the mechanical condition. 3: Select an Inverter of higher power class.

Input phase loss

12=E.ILF

1: The three-phase power input is abnormal. 2: The drive board is faulty. 3: The lightening board is faulty. 4: The main control board is faulty.

1: Eliminate external faults. 2: Contact the official

distributor or DORNA directly.

Output phase

loss

13=E.oLF

1: The cable connecting the Inverter and the motor is faulty.

2: The Inverter's three-phase outputs are unbalanced when the motor is running.

3: The drive board is faulty. 4: The module is faulty.

1: Eliminate external faults. 2: Check whether the motor three-phase winding is normal. 3: Contact the official distributor or DORNA directly.

Module overheat

14=E.oH1

1: The ambient temperature is too high.

2: The air filter is blocked. 3: The fan is damaged. 4: The thermally sensitive resistor

of the module is damaged. 5: The inverter module is

damaged.

1: Lower the ambient temperature. 2: Clean the air filter. 3: Replace the damaged fan. 4: Replace the damaged thermally sensitive resistor. 5: Replace the inverter module.

External equipment fault

15=E.EIoF

1: External fault signal is input via DI. 2: External fault signal is input via virtual I/O.

Reset the operation.

Communication fault

16=E.CoF1

1: The host computer is in abnormal state.

2: The communication cable is faulty.

3: P0.28 is set improperly. 4: The communication

parameters in group FD are set

1: Check the cabling of host computer.

2: Check the communication cabling.

3: Set P0.28 correctly. 4: Set the communication

parameters properly.

Contactor fault

17=E.rECF

1: The drive board and power supply are faulty. 2: The contactor is faulty.

1: Replace the faulty drive board or power supply board. 2: Replace the faulty contactor.

-92-

Fault Name

Display

Possible Causes

Solutions

Current detection fault

18=E.HALL

1: The HALL device is faulty. 2: The drive board is faulty.

1: Replace the faulty HALL device. 2: Replace the faulty drive board.

Motor autotuning fault

19=E.tUnE

1: The motor parameters are not set according to the nameplate. 2: The motor auto-tuning times out.

1: Set the motor parameters according to the nameplate properly. 2: Check the cable connecting the Inverter and the motor.

Encoder fault

20=E.PG1

1: The encoder type is incorrect. 2: The cable connection of the encoder is incorrect. 3: The encoder is damaged.

4: The PG card is faulty.

1: Set the encoder type correctly based on the actual situation.

2: Eliminate external faults. 3: Replace the damaged

encoder. 4: Replace the faulty PG card.

EEPROM readwrite fault

21=E.EEP

The EEPROM chip is damaged.

Replace the main control board.

Inverter hardware fault

22=E.HArd

1: Overvoltage exists. 2: Overcurrent exists.

1: Handle based on overvoltage. 2: Handle based on overcurrent.

Short circuit to ground

23=E.SHot

The motor is short circuited to the ground.

Replace the cable or motor.

Accumulative running time reached

26=E.ArA

The accumulative running time reaches the setting value.

Clear the record through the parameter initialization function.

User-defined fault 1

27=E.USt1

1: The user-defined fault 1 signal is input via DI. 2: User-defined fault 1 signal is input via virtual I/O.

Reset the operation.

User-defined fault 2

28=E.Ust2

1: The user-defined fault 2 signal is input via DI. 2: The user-defined fault 2 signal is input via virtual I/O.

Reset the operation.

Accumulative power-on time reached

29=E.APA

The accumulative power-on time reaches the setting value.

Clear the record through the parameter initialization function.

Load becoming 0

30=E.ULF

The Inverter running current is lower than F9-64.

Check that the load is disconnected or the setting of F9-64 and F9-65 is correct.

PID feedback lost during running

31=E.PID

The PID feedback is lower than the setting of FA-26.

Check the PID feedback signal or set FA-26 to a proper value.

-93-

Fault Name

Display

Possible Causes

Solutions

Pulse-by-pulse current limit fault

40=E.CbC

1: The load is too heavy or locked- rotor occurs on the motor. 2: The Inverter model is of too small power class.

1: Reduce the load and check the motor and mechanical condition. 2: Select an Inverter of higher power class.

Motor switchover fault during running

41=E.tSr

Change the selection of the motor via terminal during running of the Inverter.

Perform motor switchover after the Inverter stops.

Too large speed deviation

42=E.SdL

1: The encoder parameters are set incorrectly. 2: The motor auto-tuning is not performed. 3: F9-69 and F9-70 are set incorrectly.

1: Set the encoder parameters properly. 2: Perform the motor autotuning. 3: Set F9-69 and F9-70 correctly based on the actual situation.

Motor overspeed

43=E.oSF

1: The encoder parameters are set incorrectly. 2: The motor auto-tuning is not performed.3: F9-69 and F9-70 are set incorrectly.

1: Set the encoder parameters properly. 2: Perform the motor autotuning. 3: Set F9-69 and F9-70 correctly based on the actual situation.

Motor overheat

45=E.oHt

1: The cabling of the temperature sensor becomes loose. 2: The motor temperature is too high.

1: Check the temperature sensor cabling and eliminate the cabling fault. 2: Lower the carrier frequency or adopt other heat radiation measures.

Initial position fault

51=E.PoSF

The motor parameters are not set based on the actual situation.

Check that the motor parameters are set correctly and whether the setting of rated current is too small.

-94-

5.2 Other fault and solutions

You may come across the following faults during the use of the inverter. Refer to the following table

for simple fault analysis.

Fault

Possible Causes

Solutions

There is no display at power-on.

1: There is no power supply to the Inverter or the power input to the Inverter is too low. 2: The power supply of the switch on the drive board of the Inverter is faulty. 3: The rectifier bridge is damaged. 4: The control board or the keyboard is faulty. 5: The cable connecting the control board and the drive board and the keyboard breaks.

1: Check the power supply. 2: Check the bus voltage. 3: Re-connect the 8-core and 28-

core cables. 4: Contact the official distributor

or DORNA directly for technical support.

“DLA1” is displayed at power-on and then stop immediately.

1: The cable between the drive board and the control board is in poor contact. 2: Related components on the control board are damaged. 3: The motor or the motor cable is short circuited to the ground. 4: The HALL device is faulty. 5: The power input to the Inverter is too low.

1: Re-connect the 8-core and 28core cables. 2: Contact the official distributor or DORNA directly for technical support.

23=E.SHot is displayed at poweron.

1: The motor or the motor output cable is short-circuited to the ground. 2: The Inverter is damaged.

1: Measure the insulation of the motor and the output cable with a megger. 2: Contact the official distributor or DORNA directly for technical support.

The Inverter display is normal upon power- on. But “DLA1” is displayed after running and stops immediately.

1: The cooling fan is damaged or locked-rotor occurs. 2: The external control terminal cable is short circuited.

1: Replace the damaged fan. 2: Eliminate external fault.

14=E.oH1 (module overheat) fault is reported frequently.

1: The setting of carrier frequency is too high. 2: The cooling fan is damaged, or the air filter is blocked. 3: Components inside the Inverter are damaged (thermal coupler or others).

1: Reduce the carrier frequency (P0.15). 2: Replace the fan and clean the air filter. 3: Contact the official distributor or DORNA directly for technical support.

-95-

Warning:

※ Do not touch any component inside the device within 5 minutes after the (! CHARGE) light is off

after power off, otherwise user is in danger of electric shock.

※ Do not touch the PCB or IGBT without electrostatic protections, otherwise the internal components

can be damaged.

Fault

Possible Causes

Solutions

The motor does not rotate after the Inverter runs.

1: Check the motor and the motor cables. 2: The Inverter parameters are set improperly (motor parameters). 3: The cable between the drive board and the control board is in poor contact. 4: The drive board is faulty.

1: Ensure the cable between the Inverter and the motor is normal. 2: Replace the motor or clear mechanical faults. 3: Check and re-set motor parameters.

The DI terminals are disabled.

1: The parameters are set incorrectly. 2: The external signal is incorrect. 3: The jumper bar across SP and +24 V becomes loose. 4: The control board is faulty.

1: Check and reset the parameters in group P4. 2: Re-connect the external signal cables. 3: Re-confirm the jumper bar across OP and +24 V. 4: Contact the official distributor or DORNA directly for technical support.

The motor speed is always low in FVC mode.

1: The encoder is faulty. 2: The encoder cable is connected

incorrectly or in poor contact. 3: The PG card is faulty. 4: The drive board is faulty.

1: Replace the encoder and ensure the cabling is proper. 2: Replace the PG card.

3: Contact the official distributor or DORNA directly for technical support.

The Inverter reports overcurrent and overvoltage frequently.

1: The motor parameters are set improperly. 2: The acceleration/deceleration time is improper. 3: The load fluctuates.

1: Re-set motor parameters or reperform the motor autotuning. 2: Set proper acceleration/ deceleration time. 3: Contact the official distributor or DORNA directly for technical support.

-96-

6 Repair and maintenance

6.1 Routine maintenance

The influence of the ambient temperature, humidity, dust and vibration will cause the aging of the devices in the Inverter, which may cause potential faults or reduce the service life of the Inverter.

Therefore, it is necessary to carry out routine and periodic maintenance. Routine maintenance involves checking:

Item

Details

Measures

Terminal screws

Are they loose?

Tighten the screws.

Heat sink

Is it dusty?

Blow away the dust with 4 ～ 6kg/cm2 pressure dry compressed air.

PCB

Is it dusty?

Blow away the dust with 4 ～ 6kg/cm2 pressure dry compressed air.

Cooling fan

Is it noisy and with abnormal

oscillations?

Replace the cooling fan

Power

components

Is it dusty?

Blow away the dust with 4 ～ 6kg/cm2 pressure dry compressed air.

DC bus aluminum electrolytic

capacitor

Is it discolored, with

peculiar smell or bubbles?

Replace the aluminum electrolytic capacitor

6.2 Replacement of vulnerable components

The vulnerable components of the inverter are cooling fan and aluminum electrolytic capacitor. Their service life is related to the operating environment and maintenance status. Generally, the service life is

shown as follows:

 Cooling fan: 3 years  Aluminum electrolytic capacitor: 5 years.

-97-

7 MODBUS communication protocol

7.1 Communication protocol

7.1.1 Protocol content

The serial communication protocol defines the information content and the use of se rial communication transmission format, including: Host polling (or broadcast) format; host encoding method, including: action-requiring function code, data transfer & error correction; mortem response from the slave is the same structure, including: action confirmation, return data & error checking, etc. If an error occurs when the slave receives information, or host requested action

cannot be completed, it will organize a fault as a feedback information to the host.

Application mode: Inverter joins RS232/RS485 fieldbus compatible master-slavery PC/PLC control network.

Fieldbus structure: (1) Interface mode

RS232/RS485 hardware interface

(2) Transmission mode

Asynchronous serial, half-duplex transmission mode. At the same time there can be only one

master slave transmit data while the other can only receive data. Data on the serial asynchronous

communication, is in the form of packets sent frame by frame.

(3) Topological structure:

Single master multi-slave system. Slave address setting range is 1 to 247, 0 is broadcast

communication address. Network slave address must be unique.

7.1.2 Protocol

DLA1 series inverter is an asynchronous serial communication Modbus master-slave communication protocol. Only one device on the network (host) can establish an agreement (called "query/command"). Other devices (slave) can only respond to the host's "query/command" by providing data, or take actions according to the host's "query/command". The host can be personal computer (PC), industrial control equipment or a programmable logic control ler (PLC); slave is DLA1 inverter. Host can communicate to an independent slave machine, or can broadcast information to all slaves. For independent host "query/command", slave returns information

(known as the response). For broadcast information, slave no need to send response to the host.

DLA1 series inverter Modbus data communication protocol format is as follows: using RTU mode,

sending a message must start with an at least 3.5 characters’ interval time.

Transmittable characters are hexadecimal 0 ... 9, A... F. Network equipment keeps on detecting network bus, including interval time. When the first domain (address field) is received, each device decodes to determine whether it is sending to themselves. After the last transmitted characters, a pause of at least 3.5-character time marks ending the message. A new message can start after this

pause.

Whole message must be transmitted as a continuous stream. If there is a pause time over 1.5 a character before completion, receiver will refresh and assumes that next byte is address domain of a new message. Also, if a new message starts within a time interval of less than 3.5 character after

DORNA TECHNOLOGY DLA1 Series, DLA1-0D75S2G, DLA1-0D40S2G, DLA1-01D5T4G, DLA1-0D75T4G User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual