Mitsumi electronic FR-PU07, FR-PU07BB User Manual

INVERTER
Option unit
FR-PU07 FR-PU07BB
INSTRUCTION MANUAL
Parameter unit
PRE-OPERATION INSTRUCTIONS
FUNCTIONS
FUNCTION MENU
OPERATION
CHECK FIRST WHEN YOU
HAVE A TROUBLE
SPECIFICATIONS
Thank you for choosing the Mitsubishi inverter option unit. This instruction manual gives handling information and precautions for use of this equipment. Incorrect handling might cause an unexpected fault. Before using the equipment, please read this manual carefully to use the equipment to its optimum. Please forward this manual to the end user.
This section is specifically about
safety matters
Do not attempt to install, operate, maintain or inspect this product until you have read through this instruction manual and appended documents carefully and can use the equipment correctly. Do not use this product until you have a full knowledge of the equipment, safety information and instructions. In this instruction manual, the safety instruction levels are classified into "WARNING" and "CAUTION".
Assumes that incorrect handling
WARNING
CAUTION
Note that the CAUTION level may lead to a serious consequence according to conditions. Please follow the instructions of both levels because they are important to personnel safety.
may cause hazardous conditions, resulting in death or severe injury.
Assumes that incorrect handling may cause hazardous conditions, resulting in medium or slight injury, or may cause physical damage only.
SAFETY INSTRUCTIONS
1. Electric Shock Prevention
WARNING
Do not run the inverter with the front cover removed.
Otherwise, you may access exposed high voltage terminals or charging devices and get an electric shock.
Before starting wiring or inspection, check that the operation
panel indicator is OFF, wait for at least 10 minutes after the power supply has been switched OFF, and check that there are no residual voltage using a tester or the like. The capacitor is charged with high voltage for some time after power OFF and it is dangerous.
Any person who is involved in the wiring or inspection of this
equipment should be fully competent to do the work.
Always install the inverter before wiring. Otherwise, you may
get an electric shock or be injured.
Operate the keys with dry hands to prevent an electric shock.
A-1
2. Additional Instructions
To prevent injury, damage or product failure, please note the following points.
(1) Transportation and mounting
CAUTION
Do not install and operate the parameter unit (FR-PU07/FR-
PU07BB) if it is damaged or has parts missing.
Do not stand or rest heavy objects on this equipment.
Check the inverter mounting orientation is correct.
The parameter unit (FR-PU07/FR-PU07BB) is a precision
device. Do not drop it or subject it to impact.
Use the inverter under the following environmental conditions:
Surrounding air temperature
Ambient humidity
Storage temperature
Ambience
Environment
Altitude, vibration
*Temperatures applicable for a short time, e.g. in transit.
-10°C to +50°C (non-freezing)
90%RH or less (non-condensing)
-20°C to +65°C*
Indoors (free from corrosive gas, flammable gas, oil mist, dust and dirt)
Maximum 1000m above seal level,
2
or less at 10 to 55Hz (directions
5.9m/s of X, Y, Z axes)
(2) Test operation and adjustment
CAUTION
Before starting operation, confirm and adjust the parameters.
A failure to do so may cause some machines to make unexpected motions.
(3) Usage
WARNING
Since pressing key may not stop output depending on
the function setting status, provide a circuit and switch separately to make an emergency stop (power OFF, mechanical brake operation for emergency stop, etc).
Make sure that the start signal is off before resetting the inverter alarm. A failure to do so may restart the motor suddenly.
Do not modify the equipment.
Do not perform parts removal which is not instructed in this
manual. Doing so may lead to fault or damage of the inverter.
CAUTION
When parameter clear or all parameter clear is performed,
each parameter returns to the factory setting. Re-set the required parameters before starting operation.
(4) Corrective actions for alarm
CAUTION
Provide safety backup devices, such as an emergency brake,
to protect machines and equipment from hazard if the parameter unit (FR-PU07/FR-PU07BB) becomes faulty.
A-2
(5) Disposal
CAUTION
Treat as industrial waste.
(6) General instruction
All illustrations given in this manual may have been drawn with covers or safety guards removed to provide in-depth description. Before starting operation of the product, always return the covers and guards into original positions as specified and operate the equipment in accordance with the manual.
3. Safety Precautions for Alkaline Battery
When using an alkaline battery, read the instruction manuals carefully before using them.
4. Safety Precautions for Nickel Metal Hydride Battery
When using a nickel metal hydride battery and charger, read the instruction manuals carefully before using them.
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— CONTENTS —
INTRODUCTION 1
1 PRE-OPERATION INSTRUCTIONS 2
1.1 Supporting inverter models ..............................................................................................................2
1.2 Unpacking and Product Confirmation .............................................................................................4
1.2.1 Unpacking confirmation..................................................................................................................................4
1.2.2 Appearance and parts identification ...............................................................................................................5
1.2.3 Explanation of keys ........................................................................................................................................7
1.3 Installation and Removal of FR-PU07 ..............................................................................................9
1.3.1 Direct installation to the inverter (A700/F700 series)......................................................................................9
1.3.2 Removal from the inverter (A700/F700 series).............................................................................................10
1.3.3 Installation using the connection cable (FR-CB2) ........................................................................................11
1.3.4 Removal when the connection cable (FR-CB2) is used ...............................................................................13
1.4 Connection and Removal of FR-PU07BB ......................................................................................14
1.4.1 Before using FR-PU07BB in the battery mode.............................................................................................14
1.4.2 Instructions for the FR-PU07BB (battery mode)...........................................................................................17
1.4.3 Connecting to FR-A700/F700 using the connection cable (FR-CB2)...........................................................18
1.4.4 Connecting to FR-E700 using the connection cable (FR-CB2)....................................................................19
1.4.5 Removal when the connection cable (FR-CB2) is used ...............................................................................19
1.5 Parameters to be Checked First .....................................................................................................20
1.5.1 PU display language selection (Pr. 145) ......................................................................................................20
I
1.5.2 PU buzzer control (Pr. 990)..........................................................................................................................20
1.5.3 PU contrast adjustment (Pr. 991) .................................................................................................................21
2 FUNCTIONS 22
2.1 Monitoring Function ........................................................................................................................22
2.1.1 Display overview...........................................................................................................................................22
2.1.2 Using "SHIFT" to change the main monitor..................................................................................................25
2.1.3 Setting the power-ON monitor (the first priority monitor)..............................................................................26
2.1.4 Using "READ" to change the main monitor ..................................................................................................27
2.1.5 Using the parameter to change the monitor (Pr. 52) ....................................................................................28
2.2 Frequency Setting............................................................................................................................30
2.2.1 Direct setting.................................................................................................................................................30
2.2.2 Step setting...................................................................................................................................................31
2.2.3 Precautions for frequency setting .................................................................................................................32
2.3 Setting and Changing the Parameter Values ................................................................................33
2.3.1 Specifying the parameter number to change the set value ..........................................................................33
2.3.2 Selecting the parameter from functional list to change the set value ........................................................... 34
2.3.3 Selecting the parameter from parameter list to change the set value..........................................................36
2.3.4 Selecting the parameter from User List to change the set value..................................................................37
2.3.5 Precautions for setting write.........................................................................................................................38
2.4 User Group Function .......................................................................................................................39
2.4.1 Registering the parameters to user group....................................................................................................40
2.4.2 Deleting the parameters from user group.....................................................................................................41
2.4.3 Confirming the parameters registered to user group....................................................................................41
II
2.5 Calibration of the Meter (Frequency Meter)...................................................................................42
2.5.1 Calibration of the FM terminal ......................................................................................................................42
2.5.2 Calibration of the AM terminal.....................................................................................................................43
2.6 Adjustment of the Frequency Setting Signals "Bias" and "Gain" ..............................................46
2.6.1 Adjustment procedure ..................................................................................................................................46
3 FUNCTION MENU 53
3.1 Overview of Function Menu ............................................................................................................53
3.1.1 Function menu..............................................................................................................................................53
3.1.2 Function menu transition..............................................................................................................................55
3.2 Operation Procedures for Functions .............................................................................................59
3.2.1 Monitor function............................................................................................................................................59
3.2.2 Selection of PU operation (direct input)........................................................................................................60
3.2.3 Selection of the PU Jog operation mode ......................................................................................................61
3.2.4 Parameters...................................................................................................................................................62
3.2.5 Parameter clear............................................................................................................................................65
3.2.6 Alarm history.................................................................................................................................................67
3.2.7 Alarm clear ...................................................................................................................................................68
3.2.8 Inverter reset ................................................................................................................................................69
3.2.9 Troubleshooting............................................................................................................................................70
3.2.10 Terminal assignment (Selectop)...................................................................................................................74
3.2.11 Option...........................................................................................................................................................75
3.2.12 Multiple copies..............................................................................................................................................76
3.3 Other Precautions ............................................................................................................................81
III
3.3.1 Precautions for parameter unit operation ....................................................................................................81
4OPERATION 82
4.1 How to Select the Operation Mode.................................................................................................82
4.1.1 Switching from External operation mode [EXT] to PU operation mode [PU]................................................82
4.1.2 Switching from PU operation mode [PU] to External operation mode [EXT]................................................82
4.1.3 Switching to the External / PU combined operation mode ...........................................................................83
4.2 How to Operate PU Operation ........................................................................................................84
4.2.1 Normal operation..........................................................................................................................................84
4.2.2 PU Jog operation..........................................................................................................................................85
4.3 Combined Operation (Operation Using External Input Signals and PU) ....................................86
4.3.1 Entering the start signal from outside and setting the running frequency from the PU (Pr. 79 = 3) .............86
4.3.2 Entering the running frequency from outside and making start and stop from the PU (Pr. 79 = 4)..............87
4.3.3 Entering the start signal and multi-speed signal from outside and
setting multiple speeds from the parameter unit...........................................................................................88
5 CHECK FIRST WHEN YOU HAVE A TROUBLE 89
5.1 Troubleshooting...............................................................................................................................89
6 SPECIFICATIONS 91
6.1 Standard Specifications ..................................................................................................................91
6.2 Outline Drawing and Panel Cutting Drawing.................................................................................93
IV
6.2.1 FR-PU07 outline dimension drawings..........................................................................................................93
6.2.2 FR-PU07BB outline dimension drawings .....................................................................................................94
APPENDIX 95
Appendix 1 Disposing of the equipment in the EU countries...............................................................95
V

INTRODUCTION

This product is a unit for setting inverter functions (parameters) and has the following features.
· An operation panel can be removed and a parameter unit can be connected.
· Setting such as direct input method with a numeric keypad, operation status indication, and help function are usable.
· Eight languages can be displayed.
· Parameter setting values of maximum of three inverters can be stored.
REMARKS
Features only for FR-PU07BB
· Parameter check and setting change are available without connecting a power supply to the inverter.
· Since the shape is specially designed for portable use, it is easy to work with FR-PU07BB in hand.
CAUTION
To use a parameter unit with battery pack (FR-PU07BB) outside Japan, order a "FR-PU07BB-L" (parameter unit type indicated on the package has L at the end). Since batteries may conflict with laws in countries to be used (new EU Directive on batteries and accumulators, etc.), batteries are not enclosed with an FR-PU07BB.
The parameter unit screen displays in this instruction manual are examples used with the FR-A700 series.
1

1 PRE-OPERATION INSTRUCTIONS

1.1 Supporting inverter models

FR-PU07/FR-PU07BB supporting models
Model FR-PU07 FR-PU07BB *4
A700 series
F700 series
E700 series
D700 series
500 series
*1 If a product assembled before the above date is connected when the inverter power is OFF, "MITSUBISHI" appears on
the liquid crystal display screen and it is inoperative. If a product assembled before the above date is connected when the inverter power is ON, "PU07BB/COMPATIBILITY/ ERROR" appears on the liquid crystal display screen and it is inoperative.
*2 If a product assembled before the above date is connected, "PU07BB/COMPATIBILITY/ERROR" appears on the liquid
crystal display screen and it is inoperative regardless of ON/OFF of the inverter power. *3 Some parameter names displayed are different from those of the FR-PU07. *4 The FR-PU07 can not be directly connected to the inverter.
{
{
{ *4
{ *4
{ *3, *4
(The FR-A700-EC/-CHT have not been compatible yet but will be compatible in future.)
(The FR-F700-EC/-CHT have not been compatible yet but will be compatible in future.)
(The FR-D700 series have not been compatible yet but will be compatible in future.)
(Products assembled in and after January 2008.) *1
(Products assembled in and after January 2009.) *1
(Products assembled in and after July 2007.) *2
{
{
{
×
×
2
Unpacking and Product Confirmation
zSERIAL number
For product assembled date, check the SERIAL number indicated on the inverter rating plate or package. z SERIAL number check Refer to the inverter manual for the location of the rating plate.
Rating plate example
Symbol Year Month Control number
The SERIAL consists of 1 version symbol, 2 numeric characters or 1 numeric character and 1 alphabet letter indicating year and month, and 6 numeric characters indicating control number. Month is indicated as 1 to 9, X (October), Y (November), and Z (December).
{ { {{{{{{
TC{{{A{{{G{{ TC number
SERIAL (Serial No.)
1
3
Unpacking and Product Confirmation

1.2 Unpacking and Product Confirmation

Take the parameter unit out of the package, check the unit name, and confirm that the product is as you ordered and intact.

1.2.1 Unpacking confirmation

Check the enclosed items.
· FR-PU07/FR-PU07BB common
Parameter unit
............................................1
FR-PU07 FR-PU07BB
· FR-PU07BB only
Connection cable (FR-CB203)
...........................................................1
* Batteries are not enclosed. Please prepare them separately.
Instruction manual
............................................1
INSTRUCTION MANUAL
4
Unpacking and Product Confirmation

1.2.2 Appearance and parts identification

Unpack the parameter unit, check the name plate on the back, and make sure that the product has not been damaged before using.
FR-PU07
Front
POWER lamp
Lit when the power turns ON.
READ:List
60.00
STF FWD PU
Hz
Monitor
Liquid crystal display (16 characters 4 lines with backlight) Interactive parameter setting Help function Trouble shooting guidance Monitor (frequency, current, power, etc.)
ALARM lamp
Lit to indicate an inverter alarm occurrence.
Operation keys
(Refer to page 7)
Rating plate
Rear
Bottom
Connector for inverter directly
Connector to the inverter. Connect directly to PU connector of the inverter.
(Refer to page 9)
Connector for PU cable
Connect using the connection cable (FR-CB2 ).
(Refer to page 11)
1
5
Unpacking and Product Confirmation
FR-PU07BB
Front
READ
0.00
STF FWD PU
Top
:List
Hz
Connector for PU cable
Connect using the connection cable (FR-CB2
(Refer to page 18, 19)
)
Connector for AC adapter
Pull out the protective cover toward you to remove and then connect the AC adapter (sold separately).
(Refer to page 15)
POWER lamp
Lit when the power turns ON.
Battery exhaustion warning lamp
When a battery is low, the lamp color changes from green to orange.
(Refer to page 91 for details.)
Monitor
Liquid crystal display
(16 characters 4 lines with backlight) Interactive parameter setting Help function Trouble shooting guidance
Monitor (frequency, current, power, etc.)
Rear
Power supply switch
OFFON
Power supply switch
Set to ON when using in the battery mode.
Rating plate
ALARM lamp
Lit to indicate an inverter
Operation keys
fault occurrence.
Bottom
6

1.2.3 Explanation of keys

Key Description
Used to select the parameter setting mode. Press to select the parameter setting mode.
Used to display the first priority screen. Used to display the output frequency when making an initial setting.
Operation cancel key.
Used to display the function menu. A variety of functions can be used on the function menu.
Used to shift to the next item in the setting or monitoring mode.
Unpacking and Product Confirmation
to
/
Used to enter a frequency, parameter number or set value.
Used to select the External operation mode.
Used to select the PU operation mode to display the frequency setting screen.
· Used to keep on increasing or decreasing the running frequency. Hold down to change the frequency.
· Press either of these keys on the parameter setting mode screen to change the parameter setting value sequentially.
· On the selecting screen, these keys are used to move the cursor.
· Hold down and press either of these keys to advance or return the display screen one
page.
1
7
Unpacking and Product Confirmation
Key Description
Forward rotation command key.
Reverse rotation command key.
· Stop command key.
· Used to reset the inverter when a fault occurs.
· Used to write a set value in the setting mode.
· Used as a clear key in the all parameter clear or alarm history clear mode.
· Used as a decimal point when entering numerical value.
· Used as a parameter number read key in the setting mode.
· Used as an item select key on the menu screen such as parameter list or monitoring list.
· Used as an alarm definition display key in the alarm history display mode.
· Used as a command voltage read key in the calibration mode.
CAUTION
· Do not use a sharp-pointed tool to push the keys.
· Do not press your fingers against the display.
8
Installation and Removal of FR-PU07

1.3 Installation and Removal of FR-PU07

To ensure safety, install or remove FR-PU07 after switching the power of the inverter OFF. FR-PU07 cannot be directly installed to the FR-E700, D700 inverter.

1.3.1 Direct installation to the inverter (A700/F700 series)

(1) Remove the operation panel (FR-DU07). (2) Insert the parameter unit straight and fit it securely. (3) Tighten the two screws on the parameter unit to fix the unit to the inverter.
Fixed screw
S
T
F
F
W
D
P
U
S
T
F
F
W
D
P
U
1
9
Installation and Removal of FR-PU07

1.3.2 Removal from the inverter (A700/F700 series)

Loosen the fixed screws, hold down the right and left hooks of the FR-PU07, and then pull the parameter unit toward you.
Press the hooks.
10
Fixed screw
S
T
F
F
W
D
P
U
S
T
F
F
W
D
P
U
Installation and Removal of FR-PU07

1.3.3 Installation using the connection cable (FR-CB2)

For the FR-A700/FR-F700 (1) Remove the operation panel (FR-DU07). (2) Securely insert one end of connection cable into the PU connector of the inverter and the other
end into the connection connector of FR-PU07 along the guides until the stoppers are fixed.
FR-PU07
STF FWD PU
Connection cable
Stopper
CAUTION
Do not connect the connection cable when the front cover is removed.
1
11
Installation and Removal of FR-PU07
For FR-E700 (1) Open the PU connector cover.
(2) Securely insert one end of connection cable into the PU connector of the inverter and the other
end into the connection connector of FR-PU07 along the guides until the stoppers are fixed.
FR-PU07
STF FWD PU
Connection cable
Stopper
PU connector
Stopper
CAUTION
Do not connect the connection cable when the front cover is removed.
REMARKS
For details of the connection cable (FR-CB2), refer to the connection cable (FR-CB2) instruction manual.
12
Installation and Removal of FR-PU07
r
For FR-D700 (1) Remove the inverter front cover. (For the removal of the front cover, refer to the inverter
manual.)
(2) Securely insert one end of connection cable into the PU connector of the inverter and the
other end into the connection connector of FR-PU07 along the guides until the stoppers are fixed.
PU connector
STF FWD PU
FR-PU07
Stoppe
1
Stopper
Connection cable
CAUTION
Do not connect the connection cable when the front cover is removed.
REMARKS
For details of the connection cable (FR-CB2), refer to the connection cable (FR-CB2) instruction manual.

1.3.4 Removal when the connection cable (FR-CB2) is used

Hold down the tab (stopper) at the cable end and gently pull the plug.
13
Connection and Removal of FR-PU07BB

1.4 Connection and Removal of FR-PU07BB

1.4.1 Before using FR-PU07BB in the battery mode

For the power supply of FR-PU07BB, a battery and an AC adapter (sold separately) are available.
(1) When using a battery
1) Loosen the screw of the FR-PU07BB rear side. 3) Place batteries as shown below.
٤
٤
٤
2) Pushing the hook, slide the cover in the direction of arrow to open.
٤
4) Close the cover and tighten the screw.
٤
٤
٤
٤
٤
٤
14
Hook
REMARKS
· Use commercially available AA nickel metal hydride batteries or AA alkaline batteries (four pieces).
· Batteries are not enclosed. Please prepare them separately.
(2) When using an AC adapter
1) Pull out the protective cover toward you to remove and then insert the output plug of an AC adapter (sold separately) into the AC adapter connector.
Connector
Protective cover
Connection and Removal of FR-PU07BB
2) Connect the AC adapter (sold separately) to a AC power supply.
STF FW
D PU
1
15
Connection and Removal of FR-PU07BB
REMARKS
· Disconnection of the connector can be prevented by catching the cable with the hook of the parameter unit.
· When using a rechargeable battery, use the rechargeable battery charged with the charger specified by the battery manufacturer. Battery charging is not available with FR-PU07BB even when using an AC adapter.
· AC adapter (option for exclusive use in Japan) Use the following adapter to use the FR-PU07BB with single phase 100V power supply.
Product name Model Manufacturer
AC adapter TAS2900-PUA Mitsubishi Electric System & Service Co., Ltd.
AC adapter cable length
1950mm 100
1500mm 50
General specifications
Refer to the specifications below for an adapter to use the FR-PU07BB with AC power supply.
Rated voltage 5.0VDC ± 5% or less
Output specifications
· If batteries are left in the FR-PU07BB when using an AC adapter, batteries may become discharged.
Rated current 2A or more
Polarity Plus polarity in the center.
Connector Conforms to EIAJ RC-5320A
16
Connection and Removal of FR-PU07BB

1.4.2 Instructions for the FR-PU07BB (battery mode)

(1) Functions available when using in the battery mode
Description Remarks
Parameter
change
Functions of
the function
menu
· Parameter read
· Parameter write
· For monitor, only frequency setting monitor is available
· PU Operation (Only switching between PU/PU Jog modes is available, not operational)
· Parameter (list, initial value, changed value, read)
· Parameter clear
· Read/clear of the faults history
· Inverter reset
· Troubleshooting
· Read of software version
· Output terminal monitor
· Frequency direct setting
· Copy/verification function
(2) FM/AM calibration parameter (Pr.900, Pr.901) cannot be set (calibrated). (3) For following calibration parameters, only the adjusting method without application of analog voltage
(current) is available.
FR-A700 FR-F700 FR-E700
Pr. 902 to Pr. 905, Pr. 917 to Pr. 920, Pr. 932, Pr. 933
Pr. 902 to Pr. 905 Pr. 902 to Pr. 905, Pr. 922, Pr. 923
(4) Operation by the FR-E700 series operation panel is invalid.
Only PRM LED of the operation panel lit at this time.
(5) Do not use the FR Configurator. FR Configurator may not function properly.
· Parameter read/write for plug-in option can be done in battery mode independently of whether the plug-in option is mounted or not.
· Monitor value other than frequency setting monitor is always "0".
· The ON/OFF status of the input signal for the terminal assignment monitor cannot be displayed.
· Option fitting status monitor cannot be displayed.
1
17
Connection and Removal of FR-PU07BB

1.4.3 Connecting to FR-A700/F700 using the connection cable (FR-CB2)

(1) Remove the operation panel (FR-DU07). (2) Insert one end of connection cable securely into the PU connector of the inverter and the other end into
the connection connector of FR-PU07BB along the cable guides until the stoppers are fixed.
(3) When using in the battery mode, turn ON the power supply switch of FR-PU07BB.
ALARM lamp of the inverter flickers in the battery mode.
Stopper
FR-PU07BB
ST
F FW
D
PU
Connection cable (FR-CB2) *
* A connection cable (FR-CB203 (wiring length is 3m)) is enclosed. The cable length when using a connection cable
other than the enclosed should be 3m maximum.
CAUTION
· Connect the connection cable only when the front cover is installed.
· Do not subject the connection cables to scratches, excessive stress, heavy loads or pinching.
18
Connection and Removal of FR-PU07BB

1.4.4 Connecting to FR-E700 using the connection cable (FR-CB2)

(1) Open the PU cover of the inverter. (2) Insert one end of connection cable securely into the PU connector of the inverter and the other end into
the connection connector of FR-PU07BB along the cable guides until the stoppers are fixed.
(3) When using in the battery mode, turn ON the power supply switch of FR-PU07BB.
FR-PU07BB
Stopper
STF FWD PU
Connection cable (FR-CB2) *
* A connection cable (FR-CB203 (wiring length is 3m)) is enclosed. The cable length when using a connection cable
other than the enclosed should be 3m maximum.
PU connector
Stopper
CAUTION
· Connect the connection cable only when the front cover is installed.
· Do not subject the connection cables to scratches, excessive stress, heavy loads or pinching.

1.4.5 Removal when the connection cable (FR-CB2) is used

Hold down the tab (stopper) at the cable end and gently pull the plug.
19
1
Parameters to be Checked First

1.5 Parameters to be Checked First

Change the following parameter settings as required. For the changing procedures, refer to page 33.

1.5.1 PU display language selection (Pr. 145)

By setting the Pr. 145 PU display language selection value, you can select the language displayed on the parameter unit.
Pr. 145 Setting Display Language
0 (initial value) Japanese
1* English
2German
3French
4Spanish
5Italian
6Swedish
7Finnish
* When the inverter is NA or EC model, the initial value is "1" (English).

1.5.2 PU buzzer control (Pr. 990)

By setting the Pr. 990 PU buzzer control value, you can select to either generate or mute the "beep" which sounds when you press any of the parameter unit keys.
Pr. 990 Setting Description
0 No buzzer sound
1 (initial value) Buzzer sound generated
20
Parameters to be Checked First

1.5.3 PU contrast adjustment (Pr. 991)

By setting the Pr. 991 PU contrast adjustment value, you can adjust the contrast for the display panel of the parameter unit.
Pr. 991 Setting Description
0 to 63
0」「63
Light
58
Initial value
Dark
1
21
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