YASKAWA L7B Quick Start Manual Download Page 34

EN-34

Note: Factory settings are in bold.

Param. 

Num.

Name

Description

Initialize Data

A1-00

Language 
selection for 
Digital Opera-
tor display 
(JVOP-160 
only)

0:English

1: Japanese
2: German
3: French
4: Italian
5: Spanish
6: Portuguese

A1-01

Parameter 
access level

0: Monitoring only (Monitoring drive 

mode and setting A1-01 and A1-04.)

1: Used to select user parameters (Only 

parameters set in A2-01 to A2-32 can 
be read and set.)

2:

Advanced

(Parameters can be read and set in both, 
quick programming mode (Q) and 
advanced programming mode (A).)

A1-02

Control method 
selection

0:V/f control

2:  Open loop vector
3: Closed Loop Vector
6: Closed Loop Vector for PM motors

A1-03 Initialize

0:

No initializing

1110:Initializes to user parameters
2220:.Initializes to the factory setting

Sequence / Reference Source

b1-01

Reference 
source selection

0:Digital Operator

1: Control circuit terminal (analog input)
3: Option Card

b1-02

RUN com-
mand source 
selection

0: Digital Operator

1:Control circuit terminal (digital 

multi function inputs)

3: Option Card

Acceleration / Deceleration Settings

C1-

††

Accel./Decel. 
time 1

Refer to 

page 1-28

C2-

††

S-curve charac-
teristic

Set the S-curve times at speed changes to 
reduce the jerk. Refer to 

page 1-28

Slip Compensation

C3-01

Slip compensa-
tion gain

• Increase the value if slip compensation 

value is too low

• Decrease the value if slip is overcom-

pensated

C3-02

Slip compensa-
tion delay time

• Reduce the value if the slip compensa-

tion responsiveness is low. 

• When speed is not stable, increase the 

setting.

Automatic Speed Regulator (ASR)

C5-01

ASR propor-
tional (P) gain 1 Set the proportional gain 1 and the inte-

gral time 1 of the speed control loop 
(ASR) for the frequency C5-07.

C5-02

ASR integral (I) 
time 1

C5-03

ASR propor-
tional (P) gain 2

Set the proportional gain 2 and the inte-
gral time 2 of the speed control loop 
(ASR) for the minimum frequency.
The setting is active only for acceleration.

C5-04

ASR integral (I) 
time 2

C5-06 ASR delay time Sets the ASR output delay time.

C5-07

ASR switching 
frequency

Sets the frequency for switching between 
Proportion Gain 1, 2,3 and Integral Time 
1, 2, 3.

C5-09

ASR propor-
tional (P) gain 3

Set the proportional gain 3 and the inte-
gral time 3 of the speed control loop 
(ASR) for the minimum frequency.
The settings is active for deceleration 
only.

C5-10

ASR integral (I) 
time 3

Carrier Frequency Setup

C6-02

Carrier fre-
quency selec-
tion 1

Selects the carrier frequency for Induc-
tion motor control modes.

C6-11

Carrier fre-
quency selec-
tion 2

Selects the carrier frequency for PM 
motor control modes

Speed Settings

d1-01 

to 

d1-08

Multi speed ref. 
1 to 8

Refer to 

page 25, Speed Selection 

Sequence Using Digital Inputs

d1-09 Nominal speed
d1-10 Interm. speed 1 
d1-11 Interm. speed 2 
d1-12 Interm. speed 3
d1-13 Relevel. speed 
d1-14 Inspect. speed
d1-17 Leveling Speed 

d1-18

Speed priority 
selection

0: Use Multi-Speed ref. (d1-01 to d1-08)
1: High Speed reference has priority.
2: Leveling speed reference has priority.
3: Use multi-speed reference

With no speed selected, the up/ down 
signal is switched off

Refer to 

page 1-25

V/f Pattern Settings

E1-01

Input voltage 
setting

This setting is used as a reference value 
for protection functions.

E1-04

Max. output 
frequency 
(FMAX)

To set V/f characteristics in a straight 
line, set the same values for E1-07 and 
E1-09. In this case, the setting for E1-08 
will be disregarded.
Always ensure that the four frequencies 
are set in the following manner:
E1-04 (FMAX) 

 E1-06 (FA) > E1-07 

(FB) 

 E1-09 (FMIN)

E1-05

Max. output 
voltage 
(VMAX)

E1-06

Base frequency 
(FA)

E1-08

Mid. output fre-
quency voltage 
(VB)

E1-10

Min. output fre-
quency voltage 
(VMIN)

E1-13

Base voltage 
(VBASE)

Param. 

Num.

Name

Description

Output Voltage (V)

Frequency (Hz)

Parameter Table

Summary of Contents for L7B

Page 1: ...19 Autotuning 20 Autotuning Mode Selection 20 Autotuning Alarms and Faults 21 Autotuning Procedure with Induction Motors 22 Autotuning Procedure for PM Motors 23 PM Motor Encoder Offset Tuning 24 Rid...

Page 2: ...reparation of this manual Nevertheless Yaskawa assumes no responsibility for errors or omissions Neither is any liability assumed for damages resulting from the use of the information contained in thi...

Page 3: ...esult in electric shock Wire the Inverter so that the Run command switches off when a Stop command or Fast stop command is input to termi nal BB or terminal BB1 If the Run command is not removed then...

Page 4: ...ith any option cards other than the PG F2 card and not using the braking sequence recommended by this Inverter set the following braking sequences externally After inputting the operational order or c...

Page 5: ...tion Doing so will cause damage to the Inverter or the interior parts Cables must not be connected or disconnected nor signal tests carried out while the power is switched on The Varispeed L7 DC bus c...

Page 6: ...sons with any form of access to the inverters Intended Use Frequency inverters are intended for installation in electrical systems or machinery Their installation in machinery and systems must conform...

Page 7: ...on can damage the inverter and motor If a motor is exchanged or operated the first time always set up the motor control relevant parameters using the nameplate data or perform autotuning Do not change...

Page 8: ...s Laying Cables Measures Against Line Borne Interference Line filter and frequency inverter must be mounted on the same metal plate Mount the two components as close to each other as possible with cab...

Page 9: ...owder oil water or other foreign matter does not get into the Inverter Do not install the Inverter on combustible material such as wood Install the Inverter in a location free from radioactive materia...

Page 10: ...less in a panel Always provide enough space for suspension eye bolts and the main circuit lines when installing an Inverter with an output of 22 kW or more in a panel A 50 mm min 30 mm min 30 mm min B...

Page 11: ...e 3 7 140 280 177 126 266 7 59 5 4 140 280 177 126 280 266 7 0 59 5 4 140 280 177 126 280 266 7 0 59 5 4 M5 Fan 5 5 7 5 200 300 197 186 285 8 65 5 2 3 6 200 300 197 186 300 285 8 65 5 2 3 6 200 300 19...

Page 12: ...e following precautions should be considered for the ground connection Do not share the ground wire with other devices such as welding machines or power tools Always use a ground wire that complies wi...

Page 13: ...when OFF S3 Nominal speed Nominal speed when ON Functions are selected by setting H1 01 to H1 05 S4 Inspection Run Inspection RUN when ON S5 Intermediate speed Intermediate speed when ON S6 Leveling...

Page 14: ...wn for the connection of contacts or NPN transistors 0V common and sinking mode This is the default setting For the connection of PNP transistors or for using a 24V external power supply refer to Tabl...

Page 15: ...on To protect the motor from overheating set the E2 01 parameter in the Inverter to the same value as the level of the motor rated current For Meeting CE Marking For precautions on the CE Marking refe...

Page 16: ...30VDC max 1A M1 M2 M3 M5 M4 M6 Brake Command Factory setting Contactor Control Factory setting Inverter Ready Factory setting Multi function contact output 250VAC max 1A 30VDC max 1A Analog input powe...

Page 17: ...parameter numbers and decrements set values Used to move to the previous item or data DATA ENTER Key Enters menus and parameters and set validates parameter changes RUN Key Starts the Inverter operati...

Page 18: ...rce Analog Input Digital operator b1 02 0 Set up the analog digital I O s in the H1 xx H2 xx and H3 xx parameters Set up the Acceleration Deceleration times C1 xx S Curves Jerk C2 x Make test runs Fin...

Page 19: ...ode Selection As the first thing after power up one of the four control modes must be selected depending on the machine type The Closed Loop Vector modes require PG feedback cards Table 4 shows the re...

Page 20: ...p value E2 02 and the no load current E2 03 after the first run with nominal speed Autotuning for Line to Line Resistance T1 01 2 Non rotating autotuning for line to line resistance can be used in V f...

Page 21: ...tor contactors have to be closed 5 For autotuning the BB and BB1 signals must be ON Inverter must not be in base block condition 6 Confirm that the motor is mechanically fixed and can not move 7 Power...

Page 22: ...02 2 3 Yes Enter auto tuning mode and set parameter T1 01 2 Set T1 02 Motor rated power T1 04 Motor rated current Press the UP button until Tuning Ready display appears Set T1 02 Motor rated power T1...

Page 23: ...wer supply if it is OFF Check parameter n8 35 If EnDat Hiperface is used check the encoder power supply check the CLOCK and DATA signal wiring Switch off the power supply No Yes Does a OPE06 fault occ...

Page 24: ...nd eliminate the fault source Open the contactors open the base block inputs and close the brake FINISH Is it possible to remove the ropes Does a CPF24 fault occur Balance the car so that it does not...

Page 25: ...Source Selection The speed reference source can be selected using parameter b1 01 The factory setting is the digital operator b1 01 0 i e the speeds can be selected using digital inputs Speed Selecti...

Page 26: ...ut the inverter decelerates to the leveling speed d1 17 when the selected speed signal is removed Inspection Speed can not be selected as travel speed To select the leveling speed as travel speed the...

Page 27: ...f d1 18 is set to 2 and no digital input is set to nominal speed selection the speed reference with speed selection input set is nominal speed d1 09 When the leveling speed signal is set the inverter...

Page 28: ...eleration time n5 05 must be tuned Motor Acceleration Time Auto Tuning n5 05 Before the n5 02 auto tuning is performed the motor data autotuning and the general setup should have been finished Do the...

Page 29: ...Increase the gain to improve the responsiveness to the speed reference Decrease the gain if vibrations or oscillations occur IMPORTANT 1 The order of giving the UP or DOWN command has no influence 2 n...

Page 30: ...04 0 1 or 2 and A1 02 3 or 6 The speed deviation is higher than the F1 10 value for the time F1 11 or longer Reduce the load Lengthen the acceleration time and deceleration time Check the mechanical s...

Page 31: ...rent exceeded the motor over load curve The overload curve is adjustable using parameter E2 01 Motor Rated Current L1 01 Motor Protection Selection and L2 02 Motor Protection Time Con stant Recheck th...

Page 32: ...eck the input voltage and the wiring of the input terminals Extend the settings in C1 01 03 05 07 Main Circuit MC Operation Failure No MC response during Inverter operation Replace the Inverter UV2 CT...

Page 33: ...too high or too low Closed Loop Vector for PM only Check the motor wiring Check the motor rated current input value Reduce or increase the current level for leakage inductance tuning by changing para...

Page 34: ...he proportional gain 2 and the inte gral time 2 of the speed control loop ASR for the minimum frequency The setting is active only for acceleration C5 04 ASR integral I time 2 C5 06 ASR delay time Set...

Page 35: ...ed 1 Enabled Param Num Name Description n5 03 Feed forward proportional gain Speed reference response will increase as the setting of n5 03 is increased n5 05 Motor accelera tion time tuning 0 Disable...

Page 36: ...Fault 1 Major Fault U2 12 Output terminal status at fault U2 13 Operation status at fault U2 14 Cumulative operation time at fault Fault History Data U3 01 to U3 04 Last fault to Fourth last fault U3...

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