Hakko Electronics 942 Manuale utente

High - output, temperature controlled

soldering station

Control

card

Card chain

Heat resistant pad

Iron holder

Tip tray

Hakko 912

Soldering iron

Hakko 942

Soldering station

ower cord

1. PACKING LIST

Hakko 942 soldering station ........................... 1

Hakko 912 soldering iron ................................ 1

ower cord ...................................................... 1

Control card .................................................... 1

Heat resistant pad ........................................... 1

Iron holder ....................................................... 1

Tip tray ............................................................ 1

Cleaning sponge ............................................. 1

Instruction manual .......................................... 1

Card chain ....................................................... 1

Tips (not included)

2. SPECIFICATIONS

ower consumption

Temperature range

Temperature stability

● Hakko 942 soldering s a ion

ower consumption

Tip to ground resistance

Tip to ground potential

Length, less cord

Weight, less cord

Length of cord

70 W (24 V)

< 2 Ω

< 2 mV

172 mm with 2.4D tip

30 g with 2.4D tip

1.2 m

● Hakko 912 soldering iron

Output

Dimensions

(l × w × h)

Weight

24 V

188 × 100 × 106 mm

2,500 g

● S a ion

NOTE:

The temperatures were measured using the Hakko 191

thermometer.

This product is protected against electrostatic discharge.

Specifications and design are subject to change without

notice.

WARNINGS, CAUTIONS, NOTES AND EXAMPLES

Warnings, cau ions and no es are placed a cri ical poin s in his manual o direc he

opera or’s a en ion o significan i ems. They are defined as follows:

WARNING:Failure to comply with a WARNING may result in serious injury or

death.

CAUTION: Failure to comply with a CAUTION may result in injury to the

operator , or damage to the items involved. Two examples are given

below .

NOTE: A NOTE indicates a procedure or point that is important to the process being

described.

EXAMPLE: An EXAM LE is given to demonstrate a particular procedure, point or

process.

CAUTION

When power is ON, tip temperatures will be between 200 and 450°C. (392 to 840°F.)

To avoid injury or damage to personnel and items in the work area, observe the

following:

●Do not touch the tip or the metal parts near the tip.

●Do not allow the tip to come close to, or touch, flammable materials.

●Inform others in the area that the unit is hot and should not be touched.

●Turn the power off when not in use, or left unattended.

●Turn the power off when changing parts or storing the Hakko 942.

CAUTION

To prevent accidents or damage to the Hakko 942, be sure to observe the following:

●Do not use the Hakko 942 for applications other than soldering.

●Do not allow the Hakko 942 to become wet, or use it when hands are wet.

●Do not modify the Hakko 942.

●Use only genuine Hakko replacement parts.

●Do not bend or damage the control card. If the card does become damaged, do not force the

card into the station slot.

●Do not strike the iron against hard objects to remove excess solder. This will damage the

iron.

●Remove power and iron cords by holding the plug – not the wires.

●Be sure the work area is well ventilated. Soldering produces smoke.

●The Hakko 942 is not intended for use by children or infirm persons without supervision.

●Children should be supervised to ensure that they do not play with the Hakko 942.

4. PART NAMES

Tip tray

OFF ON

Heat resistant pad

Iron holder

Cleaning

sponge

Tip (not included) Hakko 912

Soldering iron

ower cord

Fuse

ower receptacle

Station

ower switch

Receptacle

Control card

Card chain

NOTE:

Be sure the cleaning sponge is kept CLEAN and DAM .

A dirty sponge will transfer contaminants to the soldering

tip, reducing thermal ef ficiency and possibly causing

defective solder joints. A dry sponge will abrade the

soldering tip, reducing its life.

B. Handpiece

1. Insert the tip fully into the handpiece (Hakko

912).

There are no orientation requirements.

2. ass the iron cord through the hole in the

heat resistant pad.

5. INITIAL SETUP

A. Iron holder

1. Adjust the height of the iron holder to suit, as

follows:

i. Loosen the adjusting screws.

ii. Set the iron holder to the desired height.

iii. Tighten the screws.

2. ut the small cleaning sponge in one of the

four holes in the iron holder base.

3. Add water to the level shown in the ac-

companying illustration. The small sponge

will keep the large sponge moist through

capillary action.

4. Wet the large cleaning sponge, squeeze it

dry, and put it on the iron holder base.

rocedure 2-4 – OR –

Wet the only large cleaning sponge, squeeze

it dry , and put it on the iron holder base.

5. lace the spare tips in the tip tray .

C. Soldering s a ion

1. Insert the power cord into the receptacle at

the back of the station.

Insert the soldering iron cord into the

receptacle at the front of the station.

2. Set the iron in the iron holder .

3. lug the power cord into a grounded wall

socket. The Hakko 942 is protected against

electrostatic discharge and must be

grounded for full efficiency.

To remove the cord,

draw the plug from

the receptacle while

pressing the release pin.

Receptacle

When the plug ‘clicks’,

it is fully inserted.

CAUTION:

Be sure the power switch is OFF before connecting or

disconnecting the soldering iron cord. Failure to do so

may result in damage to the circuit board.

6. OPERATION

Con rols and displays

Con rols

DOWN

The front panel of the Hakko 942 soldering

station has the following controls:

•A power on/off switch.

• Four control buttons:

– Initiates a data entry mode.

– End of sequence signal (terminates a

phase of a data entry mode); when

pressed for less than one second,

displays settings already stored.

– increases the value in the appropriate

display window .

– decreases the value in the appropriate

display window .

1. Turn the power switch ON.

2. Once the temperature is reached, the buzzer

sounds. The heater lamp at the lower right of

the temperature display starts

blinking.

CAUTION:

lace the iron in the iron holder when not in use. CAUTION:

The Hakko 942 is preset at 350 °C. at the factory .

Check the temperature setting by pressing the

button.

The set temperature will be displayed for two seconds.

Displays

The Hakko 942 has a three-digit display

element. Depending upon the selected mode, it

will display:

• Normal mode:

Sensor temperature (tip temperature)

• Data entry:

Selected quantity (see ‘data entry procedures’

for exact characteristics)

• Temperature scale:

°C or °F, depending upon selection

• Error detection:

Refer to ‘ERROR MESSAGES’ section

In addition, a single heater lamp will flash when

the station has reached the desired temperature,

indicating that it is ready for use.

An audible buzzer is provided to alert the

operator when:

1. The station has reached the set tempera-

ture. The buzzer will sound once.

2. The low temperature threshold has been

crossed. This buzzer will shutoff when the

sensed temperature returns to the

acceptable range.

3.A failure has occurred in the sensor or heater

(including the sensor circuit). The buzzer will

sound continuously.

4.The auto power shutoff is activated and the

power to the heating element is shutoff, the

buzzer will sound three times.

Heater lamp

DOWN

English

●Fac ory se ings

The Hakko 942 comes from the factory with the

following values preset:

Temperature scale

Auto power shutoff

Low temperature alarm setting

Resetting the supervisor/

operator control setting

Set temperature

Celsius

disabled

150°C

4 0

350°C

●Con rol card Each Hakko 942 comes with a small card,

which inserts in the control slot in the front of

the unit. This card is used when entering data

for the process control functions. Any Hakko

942 card can be used with any Hakko 942

soldering station.

Using he con rol card

The control card is used when a value is to be

changed or data are to be entered. The Hakko

942 will operate normally with the card inserted.

If power is turned on with the card inserted, the

station will heat to the temperature set before

the card was inserted.

●Changing he empera ure

se ing

Example:

350 to 400

1. Inser he con rol card in o he slo in he

fron of he uni .

• The hundreds digit will begin to flash,

indicating that the unit is in the TEM-

ERATURE SET mode and data may be

entered.

2. En ering he hundreds digi

• ress the or button to set the

desired figure. Only 2, 3, or 4 can be

selec ed. (In °F mode, 4, 5, 6, 7, or 8 can

be selec ed).

When the desired figure is displayed,

press the button to enter . The tens digit

will begin to flash.

CAUTION:

The card must be inserted into the card slot in the correct

direction. The heater is of f while you are setting the tem-

perature.

ress the button once.

Insert the card.

ress the or button.

NOTE:

If power is switched of f or lost during the execution of this

procedure, no data will be entered. The entire procedure

must be repeated from step 1.

ress the button once.

ress the or button.

When he s a ion is ON and he

card is in he s a ion, he da a en ry

procedure follows:

a. Hold the button down for at least one

second.

b. The current temperature setting will be

displayed, then the hundreds digit will begin to

flash. This indicates that the station has

entered the temperature setting mode.

c. Continue with the procedure of 1-4, above.

NOTE:

When the button is pressed for less than one second,

the current temperature setting is displayed.

● Replacing he ip

a. Always turn the power OFF when removing

or inserting a tip.

b. Hold the tip with the heat resistant pad and

pull it out.

c. Insert the new tip fully into the Hakko 912. If

the tip is not fully inserted, the display will

show a sensor error when power is

turned on.

CAUTION:

The tip will be HOT! Use the heat resistant pad to remove

it. Do not hold the tip with the heat resistant pad for an

extended time.

3. En ering he tens digi

• ress the or button to set the

desired figure. Any value from 0 o 9 can

be selec ed. When the desired figure is

displayed, press the button to enter .

The units digit will begin to flash.

4. En ering he units digi

• ress the or button to set the

desired figure. When the desired figure is

displayed, press the button to enter .

The desired temperature is now entered

into the system memory and heater control

will begin.

7. ENTERING TIP OFFSET VALUES

Soldering tips have diferent thermal characteristics, depending upon their mass, shape, and surface

area. It is obvious that the tip temperature at idle will not be the same for a fine tip as it will be for a

heavy chisel tip, although the set temperature may be the same for each tip. The difference between

the set temperature and the temperature measured at the tip is called ‘Tip Temperature Offset’. The

offset value may be entered into the station to either add to or subtract from the set value, thus

producing the desired tip temperature.

The Hakko 942 has the ability to electronically compensate for the variations due to tip temperature

offset. When a soldering tip is changed, the proper offset temperature value should be programmed

into the 942.

1.Inser he con rol card in o he slo in he

s a ion.

•The station will default to the temperature

setting mode. Set the temperature at

400°C (750°F).

2.Press he bu on on he fron panel

and hold for one second.

•This will set the station to the data entry

mode. The existing offset will be displayed.

3.Measure he ip empera ure.

4.En er he offse value

•Determine the difference, if any,

between 400°C (750°F) and the

measured tip temperature. Record this

value. See the example following to

determine what value to enter as the

offset for that particular tip.

•When entering the hundred dig it, press the

or buttons to select either positive

(0 is displayed) or negative (– is displayed)

sign for the offset to be entered.

●How o en er he ip offse value in o he Hakko 942

This method requires measuring the tip temperatures with a tip thermometer and is recommended

for the most accurate process control.

NOTE:

Allow the tip temperature to become stable. During offset

data entry mode, the tip temperature is controlled using

an offset value of 0. The flashing value displayed is not

meaningful.

EXAMPLE:

If the measured temperature is 395°C (740°F), the

dif ference between the set temperature is +5 °C

(+10°F) (the tip is five (ten) degrees too cool) and the

offset is thus +5 °C (+10°F). If the measured

temperature is 405 °C/760°F, the dif ference between

the set temperature is –5 °C (–10°F) (the tip is five

(ten) degrees too hot) and the offset is –5°C (–10°F).

ress the button and

hold for one second.

Insert the card.

Default to the

temperature

setting mode

Using the procedure ( 7),

set the temperature at 400°C

ress the button once.

(When he offse is +5.)

ress the or button.

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