NADEX MDM22 Weld Monitor With Bluetooth Transceiver User Manual

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Document ID	450630
Application ID	2w6MsnEqd+O5l193LnZ3QA==
Document Description	User Manual
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Permanent Confidential	No
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Document Type	User Manual
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Date Submitted	2004-07-16 00:00:00
Date Available	2004-07-16 00:00:00
Creation Date	2004-06-21 10:04:30
Producing Software	Acrobat Distiller 4.05 for Windows
Document Lastmod	2004-06-21 13:31:29
Document Title	User Manual

Handy Nadescorder
MDM22 -M01A
Instruction Manual
----- Important ----Please read this instruction manual before starting to use your device. You may risk accidents
if you use it without observing the instructions in the manual.
Safety instructions in this manual are presented with the following marks according to the
degree and kind of danger involved:
DANGER
Failure to observe the warning with this mark greatly increases the possibilities of accidents
that can result in death or serious injury.
WARNING
Failure to observe the warning with this mark may present the possibilities of accidents that
can result in death or serious injury.
CAUTION
Failure to observe the caution with this mark may result in injuries or physical damage.
This mark indicates that improper handling may create shock hazards.
This mark indicates that improper handling may lead to troubles caused by poisonous
substance.
This mark indicates that improper handling may cause injury or other troubles.
This mark indicates that improper handling may create fire hazards
This mark indicates that improper handling may lead to an explosion.
This mark indicates that improper handling may lead to troubles due to high temperatures.
This mark indicates that use in a shower or outdoor use in the rain is forbidden.
This mark indicates that disassembly or remodeling is forbidden.
This mark indicates that the power plug must be disconnected from the wall outlet.
This mark indicates cautions other than the above.
Read First For Your Safety
In case you use it in order to have you use it safely, be careful of the following things.
Failure to observe the safety precautions can cause accidents that may damage the
equipment or inflict injuries or death on the user or people around.
DANGER
1. Avoid damaging cords and cables by leading them under the machine or getting
them caught between objects. Otherwise the electric wire may short-circuit to
cause electric shock, leak or fire.
When disconnecting a cord or cable, be sure to do so by holding the plug or
connector. Otherwise the cord or cable may have a break, which will eventually
develop into functional failure, overheating or fire.
2.
Be sure to use the charging AC adapter supplied with the equipment. Use of
another AC adapter may not only lead to failure of the equipment but also
cause fire or explosion due to abnormal heating.
3. Take special care during charging when both the equipment and the AC adapter
heat up. Never place paper or cloth on the equipment and AC adapter during
charging. To prevent fire, be sure to charge the equipment in a cool, well-ventilated
place.
WARNING
1.
Give adequate care to safety in wiring the cables. Be sure to install them where
they will not interfere with robot operation or the movement of workers.
2.
Be sure to use the cables supplied with the equipment for connection with other
equipment such as a printer. Otherwise faulty operation or functional failure may
occur.
3.
For use and storage of this equipment, avoid locations where it can be exposed to
sunshine, dust, rain water or excessive humidity.
4.
Place the equipment on a stable floor. Locating it at an elevated or unstable place
can result in injuries from the drop of the equipment.
5.
A battery pack should not carry out decomposition and reconstruction.
If it decomposes and converts, it may generate heat, ignite or explode.
6.
Please do not add a strong shock to a battery pack. Moreover, please charge by the
method of handling description specification.
If a shock is added or it charges by methods other than specification, it may generate
heat, ignite or explode.
7.
Please do not put in a battery pack into fire.
If it puts in into fire or heats, it may explode or explode.
8.
Changes or modifications not expressly approved by the manufacturer for
compliance could void the user's authority to operate the equipment.
9.
In order to comply with FCC radio-friquency radiation exposure guidelines for an
uncontrolled exposure, this device and its antenna must not be co-located or
operating in conjunction with any other antenna or transmitter.
10. The term "IC:" before the radio certification number only signifies that Industry
Canada technical specifications were met.
"Operation of this device is subject to the following two conditions: (1) this device
may not cause interference, and (2) this device must accept any interference,
including interference that may cause undesired operation of the device."
"The installer of this radio equipment must ensure that the antenna is located or
pointed such that it does not emit RF field in excess of Health Canada limits for
the general population; consult Safety Code 6, obtainable from Health Canada's
website www.hc-sc.gc.ca/rpb"
CAUTION
1.
The product that you have purchased contain a rechargeble battery.
The battery is recyclable. At the end of its useful life, under various state and local
laws, it may be illegal to dispose of this battery into the municipal waste stream.
Check with your local solid waste officials for details in your area for recycling
options or proper disposal.
So please consult your NADEX dealer about the way you dispose of used batteries.
2.
For a long period of disuse, store the equipment with the charging AC adapter and
other appendent units disconnected from it.
3.
Never engage in disassembly, remodeling or unwarranted adjustment of this
equipment. Tinkering with this equipment may cause equipment failure or
malfunction.
4.
Do not use a volatile fluid, such as benzene or thinner, when wiping the equipment
clean. Use of such a fluid can cause the deformation or discoloration of the casing.
5.
Do not use this equipment for purposes other than as a welding current meter.
NADEX does not hold itself responsible for any equipment failure resulting from
use for purposes other than specified.
Contents
1. Outline ........................................................................................ 1
2. Names and Functions of Components ........................................ 2
3. Composition................................................................................ 4
4. Measuring Method ...................................................................... 5
4-1. Measurement Operation Procedure ............................................................... 5
4-2. The display of a liquid crystal display ............................................................ 7
4-3. Notes on the Use of CT Coil ............................................................................ 9
4-4. Note on the Use of Tip Voltage Detection Cable ......................................... 10
5. Selection of Menu Function ..................................................... 11
5-1. How to select ................................................................................................... 11
5-2. Selection Menu Items..................................................................................... 11
6. Communication Method ........................................................... 16
6-1. In the Case of USB ......................................................................................... 16
6-2. In the case of radio communications (Bluetooth) ....................................... 16
7. How to Charge .......................................................................... 18
8. Error Display ............................................................................ 19
9. Troubleshooting ........................................................................ 20
10. Specification ........................................................................... 22
Outline
1 / 24
1. Outline
This machine is a welding current meter capable of measuring the welding current, welding cycle and
tip voltage of resistance welders and displaying measured values on the liquid crystal display. The
device presents the following features:
1) The equipment is small and lightweight, so that it can be easily carried around within the factory
premises.
2) A large capacity memory allows storage of up to 10000 average data, 20 each cycle / each msec
data and 1 newest waveform data.
3) Data is transmitted to a personal computer and data processing is possible with a personal computer.
(The exclusive software for personal computers is required)
4) Since the charge battery is built in, it is cordless and can be used.
5) Collection of the data in remoteness is possible by radio communications (Bluetooth).
6) The connectors for the cables used are all easy-to-use "one-touch" connectors.
7) There are two measuring ranges, namely, Lo:2.50 to 19.99kA and 10.00 to 49.99kA. You can
select a range best suited to the current levels you are going to measure.
8) The WELD lamp lights up when welding is being detected. Therefore, measuring condition can be
monitored even when you are away from the welding machine.
9) The equipment can be used not only with AC welder but also with DC welder, inverter controlled
welder, and AC inverter controlled welder.
10) Current consumption is minimized by the auto power-off function, in which power is turned off
automatically when there is no key operation, welding.
( [ 10 minutes ], [ 30 minutes ], [ 60 minutes ], and auto-power-off function (OFF))
Names
and Functions of Components
2 / 24
2. Names and Functions of Components
(5)
(6)
(10)
SEL.
POWER
(4)
(3)
WELD
(2)
(9)
(7)
Handy Nadescorder
(8)
CHARGE
DISP
MENU
(1)
(11)
Names
and Functions of Components
3 / 24
(1) [POWER] key
Turns power on and off.
(2) [DISP] key
Operate this key when changing displays or when switching from menu mode to measurement
mode.
(3) [MENU] key
Operate this key when changing menu items or when switching from measurement mode to menu
mode.
(4) [SEL.] key
Use this key for setting change of menu item.
The lighting for LCD turns on at the time of a measured value display.
(5) The connector for current measurement
Connect the appendant CT cable.
(6) The connector of voltage between tips
Connect the appendant tip voltage cable.
(7) Liquid crystal display
Measured value is displayed in measurement mode.
The contents of a menu are displayed in menu mode.
(8) WELD lamp
Lights up when welding is being done and goes out when it is completed.
(9) CHARGE lamp
Lights up during charging. 7. Refer to the Charge Method.
(10) Power supply jack
Connect the supplied AC adapter when charging.
(11) USB connector
Connect the USB cable when performing cable communications.
Composition
4 / 24
3. Composition
welding machine
Handy Nadescorder
Handy Nadescorder
CT
WELD
DISP
POWER
MENU
SEL.
CHARGE
Tip voltage detection cable
Radio communications
(Bluetooth)
PDA
Radio communications or USB
(Bluetooth)
PC
Mesurement Method
5 / 24
4. Measuring Method
4-1. Measurement Operation Procedure
(1) Attach the supplied CT coil to the secondary conductor of the welding machine, and connect the
cable to the connector on this device.
(2) Turn on power by operating the [POWER] key.
(Initial screen)
0 . 0 CY
0 . 00 kA
It is in the state which can be measured.
(3) Refer to 5. Selection of Menu Function when measuring conditions must be set or changed.
(4) In order to measure after a setting end, please press the [DISP] key and make it an initial screen.
(5) When you measure the tips voltage , please connect the tip voltage detection cable.
Notes on measurement
- If you connect the connector with the power on, the trigger may work and a
measurement will be made. But the data from this measurement
are invalid.
Be sure therefore to turn off power before connecting or disconnecting the
connector.
- Since it will be regarded as a weld end if it becomes 50% of peak
current in a measurement period when measuring an inverter welding machine
etc., a measurement cycle may become long.
Moreover, measured value will become small if weld which became long is
included in measurement.
peak current
weld end
detection level
50%
mesurement time
welding time
Mesurement Method
6 / 24
In the case of the following figure, regular current can be measured, supposing
it sets a start cycle as 1.5cyc and sets an end cycle as 10.0cyc for the measurement
section.
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0 10.5 11.0
mesurement time
end cycle
start cycle
welding time
- When the crest value of measured current is extremely large , current overflow
may occur even if the current is within the measuring range.
- When measuring an inverter welding machine etc., and the load by the side of
secondary is extremely large, it may be unable to measure.
- Measurement of the tip voltage cannot be performed only by the tip voltage
detection cable. Please also connect CT cable simultaneously.
- When you connect the tip voltage detection cable, please do not connect AC
adapter and a USB cable. It cannot measure correctly.
-When it becomes an unusual welding form in AC measurement, it cannot
measure correctly.
-Measurement data may be unable to be saved when a measurement interval
is very short.
- Tip voltage of AC inverter welding machine cannot be measured.
- In DC measurement, the tip voltage cannot be measured correctly in the
sections (positive going transition of current, negative going transition of current,
a rise slope, down slope, etc.) which have change of current in a half-cycle.
Mesurement Method
7 / 24
4-2. The display of a liquid crystal display
If welding is performed, measured value will be displayed as follows. Moreover, the switch of a
display can be performed by the [DISP] key.
Whenever it presses the [DISP] key, switching display of weld time , weld current , tip voltage , weld
counter , and remain of memory.
(Example of a display)
1 5 . 0 CY
11 . 50 k A
weld current
weld time(cyc)
0 . 1 2V
voltage between tips
W . COUN T
weld counter
REMA I N
M .
1 0 0 0 0
remainder of memory
The following is displayed when ms is chosen.
2 5 0ms
weld time(ms)
1 1 . 50 kA
weld current
Mesurement Method
8 / 24
The display of a menu function is displayed as follows.
Whenever it presses the [MENU] key, an item changes.
(Example of a display)
WE L D
ME T H OD
F REQUE NCY
AC
6 0H z
UN I T
c y c
I MP U L S E
RA NGE
L o
S TART
0 . 5 CY
END
9 9 . 5CY
SAVE
MO D E
AUTO
OF F
CL EAR
MEM .
CL EAR
CNT .
OVER
OFF
Mesurement Method
9 / 24
4-3. Notes on the Use of CT Coil
- Attach the secondary conductor to the position of the CT coil. Adjustments have been made so that
correct values can be obtained when measured in this position.
-Please fix to secondary conductor so that CT does not move during measurement.
secondary conductor
-In case you attach CT, please insert the tip of CT firmly to the back of a case.
Danger
- Use extreme caution not to hurt your hand when hooking up the CT coil to the
gun for the welding machine.
Mesurement Method
10 / 24
4-4. Note on the Use of Tip Voltage Detection Cable
Since induced electromotive force by welding current generates induction by the tip voltage detection
cable when measuring the tip voltage, as shown in the following figure, please make connection of the
tip voltage detection cable. When especially a lead is made to gather and is attached, induced electromotive
force becomes small and the tip voltage can measure correctly.
Tip voltage detection cable
CT coil
Selection of Menu Function
11 / 24
5. Selection of Menu Function
5-1. How to select
(1) Press the [MENU] key to switch measuring mode to menu mode, and the following display will
appear:
WE L D
ME T H OD
AC
(Example of a display)
(2) To change the item, press the [MENU] key to go on to the next item.
(3) After selecting the item to be set, move the cursor to the desired setting value by the [SEL.] key.
(4) For further setting of other items, repeat (2) to (3).
(5) On completion of setting all the necessary items, press the [DISP] key to switch menu mode to
measurement mode and start measurement. It cannot measure in menu mode.
5-2. Selection Menu Items
(1) Selection of welding method
There are two welding methods to select from, namely, AC welding, DC welding .
AC : When measurement is made with a single-phase AC welder.
DC :When measurement is made with inverter controlled welder and AC inverter controlled welder.
WE L D
ME T H OD
DC
(Example of a display)
Caution
- The tip voltage of AC inverter welding machine cannot be measured.
(2) Selection of frequency
The local power frequency must be selected.
There are two frequency to select from, namely, 50Hz and 60Hz .
F REQUE NCY
6 0H z
(Example of a display)
Caution
- When this setup is changed, all the measurement data memorized by the
memory is eliminated
- In cyc measurement, any frequency other than 50Hz and 60Hz cannot be
measured.
Selection of Menu Function
12 / 24
(3) Selection of Unit of measurement time
There are two unit of measurement time to select from, namely, cyc and ms.
ms can set up only at the time of DC welding.
(Example of a display)
UN I T
c y c
Caution
- When this setup is changed, all the measurement data memorized by the
memory is eliminated
(4) Setting for impulse No.
Setting ranges are 0-9.
:measures and displays all welding.
1-9
:measure and display only the data of the specified number of impulses.
(Example of a display)
I MP U L S E
At the time of cycle measurement, it is regarded as an impulse by 1 or more cycle pause, and it is
regarded as the welding end by 31 or more cycle pause.
At the time of msec measurement, it is regarded as an impulse by 13 or more msec pause, and it is
regarded as the welding end by 101 or more ms pause.
If impulse No. is set as 2 in the case of the following figure, the 2nd step of welding will be
measured. When there is no 31 or more cycles welding after a welding pause, a series of welding
judge it as an end. Moreover, when a setup number of welding cannot be found, an impulse setting
error is outputted.
1st
2nd
pause time
1or more cy c
30 or les cy c
1st
3rd
pause time
1or more cy c
30 or les cy c
weld end
recognition time
31 or more cy c
Selection of Menu Function
13 / 24
(5) Selection of measuring range
There are two measuring range to select from, namely, Lo and Hi .
Lo
: 2.50kA to 19.99kA
Hi
: 10.00kA to 49.99kA
(Example of a display)
RA NGE
L o
Caution
- If average data is measurement within the limits even if the current value of
each cycle is outside the measurement range, it can measure.
(6) Setting of measurement start cycle
A measurement start cycle is set up.
cyc: It can set up in the range of 0.5 - 9.5 cyc.
ms : It can set up in the range for 1 - 199ms. (at the time of DC welding)
(Example of a display)
S TART
2 . 5 CY
When the up slope etc. is included in welding current control, steady-state current can be measured
by specifying a measurement start cycle. In the case of a figure, a measurement start cycle is set as
2.5cyc.
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Steady-state current
4.5
5.0
5.5
6.0
Selection of Menu Function
14 / 24
(7) Setting of measurement end cycle
cyc : It can set up in the range of 0.5 - 99.5 cyc.
ms : It can set up in the range for 1 - 1999ms.
(Example of a display)
END
9 9 . 5CY
When the down slope etc. is included in welding current control, steady-state current can be
measured by specifying a measurement end cycle. In the case of a figure, a measurement end cycle
is set as 10.0cyc.
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0 10.5 11.0 11.5 12.0
Steady-state current
(8) Setting of the data save method
The data saved is
- Average data
- Each cycle/msec data
: 10000 data
: 20 data
- Wave data
: 1 newest data
OVER: The newest welding point in the range of the number of the maximum storage is saved.
LOCK: It is not saved after storage and it to the number of the maximum storage .
(Example of a display)
SAVE
MO D E
OVER
Caution
- Waveform data, this setup is invalid. The one newest data is saved.
Selection of Menu Function
15 / 24
(9) Setting of auto-power-off
A setup -OFF / 10M / 30M / 60M can be performed.
OFF
: A power supply is not turn off until the [POWER] key is pressed.
10M
: If anything does not have key operation and welding for 10 minutes, a power supply will
be turn off automatically.
(Example of a display)
AUTO
OF F
1 0M
(10) Erase of an welding point counter
It chooses whether the welding counter currently recorded is eliminated.
(Display)
CL EAR
CNT .
1. When [SEL.] key is pressed, it displays as follows.
CL EAR
CNT .
SURE ?
2. Press [SEL.] key and the data will be cleared.
Press [MENU] key and it cancels carrying out.
CL EAR
CNT .
DONE !
(11) Erase of measurement data
It chooses whether the measurement data currently recorded on the memory is eliminated.
(Display)
CL EAR
ME M .
1. When [SEL.] key is pressed, it displays as follows.
CL EAR
ME M .
SURE ?
2. Press [SEL.] key and the data will be cleared.
Press [MENU] key and it cancels carrying out.
CL EAR
ME M .
DONE !
Communication Method
16 / 24
6. Communication Method
6-1. In the Case of USB
1. Connect between personal computers with a main part by the USB cable.
2. Start the software of a personal computer. Please refer to the handling description of software
about the communicative method.
Danger
- Be careful not to cover the bottom of a machine etc. with a cable, or to insert
into a thing and not to give a crack. An inner electric wire short-circuits and it
becomes the cause of an electric shock, a short circuit, and a fire.
- When you extract a cable, please have and be sure to extract a plug and a
connector. It becomes the cause of failure, generation of heat, and a fire by
disconnection etc.
6-2. In the case of radio communications (Bluetooth)
1. There is especially no setup of a main part.
2. Start the software of a personal computer or PDA.
Please refer to the handling description of software about the communicative method.
Caution
- Please do not perform USB communication and radio communications
(Bluetooth) simultaneously. Data is not compensated when it connects
simultaneously.
- The communication distance in radio communications (Bluetooth) is less than
10m. However, it may become short according to a surrounding electric wave
situation, an obstacle, and installation environment. Moreover, when
communication is intercepted on the way depending on an electric wave situation,
it is.
Caution
About apparatus authorization
This product has received technical standard conformity proof as radio equipment of
the radio station of the power-saving data-communications system based on Wireless
Telegraph Law.
Therefore, when using this product, the diploma of a radio station is not required.
Therefore, it may be punished by law when the following items are performed.
- Disassemble and remodel this product.
- Remove the seal which erases each proof number on this back of a product and with
which it reaches and the proof number is indicated.
Communication Method
Attention about an electric wave
This product contains the 2.4GHz belt highly advanced power-saving datacommunications system.
This product is radio equipment which uses a 2.4GHz belt, and cannot avoid the zone
of move object discernment equipment.
The modulation system introduced "FF-SS" and the distance which give interference
assumed is 10m or less.
In the use frequency band of this equipment, the premises radio station (radio station
which requires license) and the specific power-saving radio station (radio station which
does not require license) for move object discernment which are used with the manufacture
line of a factory besides industry, science, and medical apparatus, such as a microwave
oven, etc. are employed.
1. Please check in near that the premises radio station and specific power saving for
move object discernment are not employed before using this product.
2. When the example of electric wave interference occurs from this product to the
premises radio station for move object discernment, please stop use of this product promptly.
3. In addition, when the example of electric wave interference occurs from this product
to the specific power-saving radio station for move object discernment and what something
is troubled for occurs, please ask to our company.
This product has received authorization of Wireless Telegraph Law in Japan,
and it may be punished by the law of the country if used in countries other than
Japan.
17 / 24
Charge Method
18 / 24
7. How to Charge
Attached AC adapter performs charge.
(1) Please connect attached AC adapter to a power supply jack, and check lighting of a CHARGE
lamp.
(2) If it becomes -full charge, a CHARGE lamp will change to lighting slightly.
(3) A CHARGE lamp puts out the light by charge end. The maximum charge time is required for
about 5 hours.
Moreover, charge by USB bus power is also possible. Please connect a USB cable with a main part
between PC. However, the software for PC is needed.
Danger
- AC adapter for charge should surely use the thing of main part attachment. If
other AC adapters are diverted, there are a fire not only by failure of a main part
but unusual generation of heat and danger of a burst.
- A main part and AC adapter generate heat during charge. Be careful of handling
enough. Moreover, covering paper and cloth during charge should stop. Please
be sure to charge in a cool place with sufficient ventilation. It may become the
cause of a fire.
- Even if it connects AC adapter for charge, when a CHARGE lamp does not
light up, the defect of a battery pack is considered. Please stop use immediately.
Caution
- Current cannot be measured when it is displayed on a liquid crystal display as
"LOW BATTERY" by drop in voltage of a battery.
Please connect AC adapter immediately and charge a battery.
- If charge is completed, please remove AC adapter.
- After a "LOW BATTERY" display does not charge, and if a battery is exhausted
further, a power source will be turn off automatically.
- A power source may be turn off before displaying "LOW BATTERY" depending
on the state of a battery.
- If it is left where a battery is exhausted, all the saved data will be lost. When
displayed as "LOW BATTERY", or when a power supply is automatically turn off
by consumption, please charge immediately.
Error Display
19 / 24
8. Error Display
An error is shown when the following table is indicated to a liquid crystal display.
Item
Weld
Time
Error Display
Name
- - . - C Y Mesurement impossible
- - - - ms
error
! ! . ! CY
Set up error
! ! ! ! ms
? ? . ? CY
Weld time
overflow error
? ? ? ?ms
Mesurement impossible
error
Weld current
overflow
? ? kA
error
Weld current
? ? kA
underflow error
Mesurement impossible
- - V
error
Tip voltage
? ? V
ovrefow error
. #CY
Impulse set up error
# #ms
- - . - - kA
Weld
Current
? ? .
Tip
Voltage
Impulse
- .
? .
# #
# #
System
System Fault
Battery
Memory
Low Battery Battery voltage go down
Memory Error
Memory data error
System fault
Content
When it is not able to measure
by other items
When a setup of measurement
time is wrong
When welding time of 100 cycles
or 2000msec or more cycles is
carried out
When it is not able to measure
by other items
When larger current than a
measurement range is measured
When current smaller than a
measurement range is measured
When it is not able to measure
by other items
When larger voltage than the
measurement range is measured
When a setting value is not
reached
When abnormalities are in
equipment
When a battery is exhausted
When memory data is destroyed
Troubleshooting
20 / 24
9. Troubleshooting
Condition
Cause
A power supply is not The voltage of a
turned on.
battery is falling.
It cannot measure,
Isn't it menu mode?
even if it welding.
Is CT coil attached
correctly?
Is the cable of CT coil
the breaking down of
cable?
Measurement of a
current value cannot
be performed.
Measures
Please charge with reference to the
charge method.
Hit "DISP" key .Please change
mesarement mode.
Please attach CT coil correctly.
Please exchange CT coil.
It is displayed as
" .??kA."
It is a current under flow error.
Please check a measurement range.
If it is Hi range, please make a
setting change at Lo range. If it is
Lo range, it is outside the
specification range.
It is displayed as
"??.??ｋA."
It is a current overflow error.
Please check a measurement range.
If it is Lo range, please make a
setting change at Hi range. If it is
Hi range, it is outside the
specification range.
It is displayed as
"##．#CY" or
"#####ms."
It is displayed as
" !!.!CY " or " !!!!ms ."
It is displayed as
" - - .- - kA. "
It is an impulse setting error.
Please input the suitable value for
which the number of setting
impulses is not suitable.
It is a cycle setting error.
(1) Isn't the measurement start time
of a setup longer than weld time?
(2) Isn't the measurement end time
longer than measurement start time
at a setup?
Please input a proper value.
It is a measurement impossible
error.
(1) Cycle overflow
(2) Tip voltage overflow
(3) Cycle setting error
(4) Impulse setting error
Has not error generated?
An error should not occur.
Troubleshooting
Condition
Measurement of the
tip voltage cannot be
performed.
21 / 24
Cause
Is the tip voltage
detection cable
connected?
Measures
Please connect the voltage detection
cable between tips.
It is displayed as
" ?.?? V ."
It is the tip voltage overflow error. It
is outside the specification range
(more than 5.00V). Please use it by
specification within the limits.
It is displayed as
" - .- - V ."
It is a measurement impossible
error.
(1) Cycle overflow
(2) current value overflow
(3) current value under flow
(4) cycle setting error
(5) impulse setting error
Has not error generated?
An error should not occur.
It is displayed as
"Memory Error"
Please push any keys.
A LCD display will be the initial
Setting data and
screen "Data Initialize" ->"0.0CY
measurement data are
0.00kA" . A memory is reset
destroyed.
compulsorily. Recovery of a memory
cannot be performed.
It is displayed as
"System Fault:14" or
"System Fault:15" or
"System Fault:16".
The system error has
occurred.
Please contact our company.
Specification
22 / 24
10. Specification
1. Model MD22-M01A
2. Object of Measurement
- Welding current ,weld time of 50/60Hz AC resistance welding machine
- Welding current ,weld time of 50/60Hz DC resistance welding machine
- Welding current ,weld time of inverter resistance welding machine
- Tip voltage
- Tip resistance (Only at the time of PDA and PC connection)
3. Detection of welding current
Detection by the detection coil (CT) on the secondary side of the welding machine
4. Measurement of welding current
- Arithmetic means of effective value for each cycle during one welding
- The effective value of each cycle (It can be displayed only at the time of PDA and PC connection.)
- Waveform display (It can be displayed only at the time of PDA and PC connection.)
5. Measurement of tip voltage
- Arithmetic means of effective value for each cycle during one welding
- The effective value of each cycle
6. Measurement of welding range
Welding current
Lo : 2.50-19.99kA (Resolution : 0.1kA)
Hi : 10.00-49.99kA (Resolution : 0.2kA)
Welding time
0.5 to 99.5 cycle (Resolution : 0.5 cycles)
1 - 1999ms (Resolution : 1ms)
Tip voltage
Tip resistance
0.00-5.00V (Resolution : 0.01 V)
1-2000 micro ohm (Resolution : 1 micro ohm)
7. Measurement accuracy
Welding current
Tip voltage
Tip resistance
+/-2%FS
+/-5% FS
+/-5%FS
8. Trigger for measurement start
Automatic trigger by detection of welding
9. Measurement cycle
Continuous current 0.5 to 99.5 cycle, or 1 - 1999ms can be set.
10. The Functional Setting Method
It sets up from the main part of a measuring instrument, and PDA and PC.
(1) Welding method
(2) Power supply frequency
:AC/DC
: 50/60Hz
(3) Measurement unit
(4) Impulse
: cyc/ms
: 0-9
(5) Measurement range
(6) Measurement start cycle
: Lo/Hi
: 0.5 to 9.5 cycle, or 1 - 199ms
(7) Measurement end cycle
(8) Data preservation mode
: 0.5 to 99.5 cycle, or 1 - 1999ms
: OVER / LOCK
(9) Auto-power-off
:OFF / 10M / 30M / 60M
(10) Elimination of welding counter
(11) Elimination of memory data
Specification
23 / 24
11. The Display Method of Measurement Data
The average data of welding time, welding current, and the tip voltage is displayed as this device.
Arithmetic means of effective value, effective value for each cycle, waveform of welding time,
welding current, the tip voltage , and tip resistance are displayed as PDA or PC.
12. Auto-power-off
After an external trigger and setting item change are lost, it is after 10 minutes, 30 minutes, and 60
minutes (selection). It power-supply-turns off.
13. Preservation of Measurement Data
Measurement data is saved on the main part of a measuring instrument.
(1) Average data
(2) Each cycle/msec
: 10000 data
: 20 data
(3) Wave data
: 1 data
Preservation by the Comma Separated Value is possible at PC (edit is possible at Excel etc.).
14. External Output
15. Power Supply
Radio communications (Bluetooth), USB
Built-in rechargeable battery (Li-ion 780mAh)
16. Charge Time
About 5 hours
17. Operation time Continuation 8 hours
18. Power Consumption
During standing
: 63 mA
During wireless communication : 115 mA
19. Overall dimensions
58(h) x155(w) x22(d)
20. Weight
21. Operation Temperature
About 170g
0-40 degrees C
22. Operation Humidity
23. Accessories
10 - 90% (No dew)
- CT coil
- Tip voltage detection cable
- AC adapter (AC100V/120V)
24. Option
Software (for PC): Inspector.exe (Windows XP, 2000, ME correspondence)
Software (for PDA) :Pocket Inspector.exe (Windows CE3.0 correspondence)
A USB cable, CF card for Bluetooth, the USB adapter for Bluetooth
* Specification may be changed without a preliminary announcement for improvement.
Handy Nadescorder
22
58
155
146
CHARGE
WELD
MENU
DISP
SEL.
POWER
Specification
24 / 24
Outside figure
Date
Up Date
Drawing No.
Press.
Jun . 11 . 2004
102806-311-0
NADEX Co.,Ltd.
NISHIHARU FACTORY
1.OMIYAMAE, TOKUSHIGE, NISHIHARU-CHO,
NISHIKASUGAI-GUN, AICHI-PREF., 481-0038, JAPAN.
PHONE
81-(568)21-1428
FACSIMILE
81-(568)23-5540


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