Salter Brecknell C3235 Manuale utente

C3235 Checkweigher

User Instructions

1.0 Introduction

The C3235 is a checkweighing scale for the rapid indication of over, under

or acceptable weight in a production environment. This manual covers the

introduction to the unit, its use, configuration and calibration.

Front Panel

Figure 1.1 shows the front panel of the unit. The front panel includes the

display window, the annunciators arrayed around the display, the four keys

and the bubble level.

Figure 1.1 C3235 front panel

NOTE: This product is rated to IP54. Care must be taken to ensure that the

power/mains plug does not become wet. If the product is required to be

used while plugged into the outlet/mains, the plug must either be located

outside the wet area, or must be plugged into a socket which provides

suitable IP rating with the plug mated.

Keys and Annunciators

Display Messages

dc x.xx This is the voltage of the battery in volts.

------ This is displayed and a beep sounds when the scale is

overloaded. A weight more than 9 divisions over capacity is

an overload condition.

-BATLo- This is displayed when the battery voltage is low. You can use

the scale for a while, but must recharge the battery soon.

CAEnd This is displayed when calibration is finished.

Err-0 A zero point error has occurred.

C_End This is displayed when the battery is fully recharged.

ZERO key. Press this key to turn the scale on

and zero the display.

TARE key. Press this key to tare the weight

on the scale. Also accepts the displayed item

in the menu structure or during numeric entry.

OFF key. Press this key to turn the scale off.

Fkey. Use this key to access the

Configuration menu. Also used in the menu to

move between choices.

2.0 General Scale Information

Read this user manual before using the scale so you understand the

operating features.

Do not overload the scale or throw heavy things on the scale. Damage

from overloading and abuse is not covered by the guarantee.

Keep the scale clean with a damp cloth and mild cleaning solution.

1. Set the scale on a level, solid surface and screw the base feet in or

out to bring the bubble to the center of the level.

2. Turn the unit on by pressing the ZERO key.

The beeper will sound, the display will show the version number

and the battery voltage level (dc-x.xx), then goes into the display

self-check ends with the ZERO annunciator lighting. The scale is

now ready to use.

3. To turn the scale off, press the OFF key. The scale will turn off

automatically after 10 minutes if the scale display is at zero and

there is no keypad operation. You can set the auto-off time in the

Configuration menu. See A-oFF on page 9. There is also a power

saving feature. After 40 seconds of scale inactivity the scale goes

into auto power saving mode and the display shows a small o. To

wake the scale up, place a weight on the scale platform.

4. If the battery voltage drops below 5.6V, the scale will turn off

automatically. There is a battery level annunciator on the left side of

the display. If three of the lights are lit, the voltage is 6.3V or higher.

If two lights are lit, the voltage is between 6.0V and 6.3V. If only one

light is lit, the voltage is lower than 6.0V and the unit should be

recharged.

5. Battery charging: Power is supplied by a built-in rechargeable lead

acid battery (6V/4.5Ah). It shows -bAtLo- when the voltage is low

and the scale is at zero. The scale can be used for a while, but the

battery should be charged as soon as possible.

To charge the battery, plug the AC power cord into an appropriate,

grounded outlet and charge for 12 hours.

If the scale is unused for a long period of time, charge the battery at

least every 3 months.

If after charging the battery life is very short, install a new battery.

6. If there is no active tare, you can zero the displayed weight if it is

lower than 4% of full capacity. To zero the scale, press the ZERO

key. The ZERO annunciator will light.

The steps for various kinds of weighing are explained in the following

pages. To set parameters and calibrate the unit, see Accessing the

Configuration Menu and Setting Parameters on page 6 and Calibration on

page 11.

3.0 Gross Weighing

1. Power up the scale.

2. Zero the scale if necessary by pressing the ZERO key…

0is displayed.

3. Place the item(s) on the scale platform.

4. Remove the item(s) and repeat steps 2 through 4 for the next

item(s).

4.0 Tare weighing

1. Power up the scale.

2. Zero the scale if necessary by pressing the ZERO key…

0is displayed.

3. Place the item to be tared on the scale platform.

4. Press the TARE key…

0weight is displayed and the TARE annunciator lights.

5. Place the item to be weighed on the scale platform…

Net weight of the item is displayed.

6. Remove the item and repeat steps 2 through 5 for other items.

Removing a Tare

Take everything off the scale and press the TARE key…

0is displayed and the TARE annunciator turns off.

5.0 Checkweighing

1. Power up the scale.

2. Zero the scale if necessary by pressing the ZERO key…

0is displayed.

3. Place the item to be checkweighed on the scale platform.

The weight is displayed and the Over, Accept or Under

annunciator lights. You must set the acceptable window

parameters in the Configuration menu which is described in

rAnGE on page 6.

4. Remove item from the scale platform and repeat steps 3 and 4 for

each item to be checkweighed.

6.0 Configuration Menu

The Configuration menu is shown in Figure 1.2.

Figure 1.2 Configuration menu

You use the Configuration menu to set the following parameters:

rAngE Use this to set the Over/Accept/Under ranges.

Units Use this to set the unit of measure and to enter the count

mode.

A-OFF Use this to enable or disable the auto-off function. If enabled

the scale will power off automatically after 10 minutes of

inactivity.

FILt Use this to set the level of filtering.

Zero Use this to set the automatic zero tracking window.

bUZZEr Use this to enable or disable the beeper.

How to set each of these parameters is described below.

Accessing the Configuration Menu and Setting

Parameters

To access the Configuration menu, press and hold the Fkey for three

seconds…

rAnGE, the first menu item, is displayed.

rAnGE

Use this item to set the weight ranges which will trigger the Over/Accept/

Under annunciators.

1. Press and hold the Fkey for three seconds to access the

Configuration menu …

rAnGE is displayed.

2. Press the TARE key…

on or oFF is displayed.

3. Press the Fkey to toggle between the choices. To enable the range,

press the TARE key with on displayed. (Go to step 4) To disable the

range function, press the TARE key with oFF displayed. (Go to step

4. If you enabled the range function…

The current value for the lower range is displayed, the Under

annunciator flashes, and the first digit flashes. What you set with

the following steps is the lowest acceptable weight for the item to

be weighed.

Remember as you set the values for the lower and upper ranges

that the decimal does not appear on the display but you enter the

values as if it were.

For example: If you want 2.55 pounds as the lower value, enter

02550 on the display.

5. Press the Fkey to increment the digits and the TARE key to accept a

digit and move to the next position. Repeat this until you’ve entered

the lowest acceptable weight value…

The current value for the upper range is displayed, the Over

annunciator flashes, and the first digit flashes. What you set with

the following steps is the highest acceptable weight for the item to

be weighed.

Remember as you set the values for the lower and upper ranges

that the decimal does not appear on the display but you enter the

values as if it were.

For example: If you want 2.85 pounds as the high value, enter

02850 on the display.

6. Press the Fkey to increment the digits and the TARE key to accept a

digit and move to the next position. Repeat this until you’ve entered

the highest acceptable weight value…

The scale returns to normal weighing mode when you’ve finished

entering the high value.

7. When you select oFF for the rAnGE…

The scale returns to the normal weighing mode.

The upper limit should be larger than lower limit. If you attempt to set other

than this, the scale will show oFF and return to the normal weighing mode.

Performing a Checkweighment

1. After setting a lower and upper limit, place the item to be weighed on

the scale.

When the weight is stable, the weight will be displayed and the

Over, Under or Accept annunciator will light. If the weight is in the

acceptable range, the beeper will sound.

2. Remove the item from the scale and repeat steps 1 and 2.

Units

Use the Units menu item to set the unit of measure to Lbs, Kgs or Grams.

You can also choose to set the scale to the counting function. Follow these

steps to set the Units item.

1. Press and hold the Fkey for three seconds to access the

Configuration menu …

If the unit is not in the counting mode, rAnGE is displayed. If the

unit is in the counting mode the display will show Units and you

can skip to step 3 below.

2. Press the Fkey…

Units is displayed.

3. Press the TARE key…

The current unit of measure or PcS is displayed.

4. Press the Fkey to scroll through the choices:

Lb.Lb This is the pounds unit of measure.

Lb.oZ This is the pounds/ounce unit of measure.

PcS This is the counting function.

HG This stands for KG or kilogram

GThis is the gram unit of measure.

5. When your choice is displayed, press the TARE key…

If you choose a unit of measure the scale returns to normal

weighing mode with that unit of measure active and its

annunciator lit.

If you choose PcS, the scale shows Zt-oFF . This stands for Zero

Tracking Off. Press the Fkey to toggle between Zt-oFF and Zt-on.

Press the TARE key to accept the displayed choice. For small

piece weights it is a good idea to leave the Zero Tracking off.

When you’ve made your selection, the scale is in counting mode

with the Count annunciator lit. Follow the steps in the next section

to use the scale as a counting scale:

Counting Operation

Enter the counting mode by selecting PCS as the unit of measure. This is

explained in the previous section. If your scale has no pieceweight in

memory, the Count annunciator will flash. If you want to use this

pieceweight, skip to step 3 below to count items.

If you need to establish a new pieceweight, start at step 1 below.

1. While in the counting mode, press and hold the ZERO key until…

The word count appears briefly on the scale, then the Count

annunciator flashes and six zeroes appear on the display.

2. Place a known number of items on the scale platform and press the

TARE key…

Five zeroes appear on the display with the first one flashing. Use

the Fkey and the TARE key to enter the number of items on the

scale.

For example: To enter 25, you must press the TARE key three

times to move the flashing digit to the right three times, then enter

2 and 5 so the display looks like this: 00025.

After the last digit is entered, the scale calculates the pieceweight

and displays the count on the scale.

3. You can now place other similar items on the scale and see the

displayed counts. If you want to start counting other items with a

different pieceweight, clear the scale platform and repeat steps 1

and 2 above.

The minimum pieceweight is approximately 0.0011 pounds. This

translates to maximum counts of aprroximately 900 pieces per pound of

scale capacity.

A-oFF

A-oFF is the next menu item. Use this to enable or disable the auto-off

function. Follow these steps to set this function:

1. Press and hold the Fkey for three seconds to access the

Configuration menu …

rAnGE is displayed.

2. Press the Fkey twice…

A-oFF is displayed.

3. Press the TARE key…

Current setting, on or oFF, is displayed.

4. Press the Fkey to toggle between the choices. If you choose on, the

scale will automatically power off after 10 minutes. If you choose

oFF, the scale will not automatically shut off. When your choice is

displayed, press the TARE key…

The function is set and the scale returns to normal weighing

mode.

FILt

FILt is the next menu item. Use this to enable or disable the auto-off

function. Follow these steps to set this function:

1. Press and hold the Fkey for three seconds to access the

Configuration menu …

rAnGE is displayed.

2. Press the Fkey three times…

FILt is displayed.

3. Press the TARE key…

Current setting, FILT-1, FILT-2, or FILT-3, is displayed.

This is the filter setting. The “noisier” the environment the scale is

in, the higher the filter setting you should choose. This means if

the scale sits in a place that is subjected to vibrations, the higher

the vibrations the higher the filter setting.

4. Press the Fkey repeatedly to scroll through the choices. When your

choice is displayed, press the TARE key…

5. The function is set and the scale returns to normal weighing mode.

Zero

Zero is the next menu item. Use this to set the automatic zero tracking.

This means small weights on the scale are zeroed automatically if they fall

within the window set under this item. Follow these steps to set this

function:

1. Press and hold the Fkey for three seconds to access the

Configuration menu …

rAnGE is displayed.

2. Press the Fkey four times…

Zero is displayed.

3. Press the TARE key…

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