Avery Weigh-Tronix PC-805 Manuel utilisateur

PC-805 Parts Counter

Service Manual

2PC-805 Parts Counter Service Manual

3PC-805 Parts Counter Service Manual

Table of Contents

Table of Contents ............................................................................... 3

Specifications...................................................................................... 4

What's in This Manual? ...................................................................... 5

Accessing Menus and Modes .................................................. 5

Scale Menu ......................................................................................... 6

CALib (Calibration) ................................................................... 7

ConFig (Configuration) ............................................................. 7

rEStArt (Restart) ...................................................................... 8

SEAL (Seal) ............................................................................. 8

done (Done) ............................................................................. 8

Diagnostic Menu ................................................................................. 9

ConFig. (Configuration) Menu ..................................................................... 11

Error Messages ........................................................................................... 14

Serial Communications................................................................................ 14

Cable Pinouts ................................................................................... 14

Preset Print Formats ......................................................................... 15

Zebra 2442 / Orion Printer Fixed Format Label Output .................... 16

Computer Protocol ............................................................................ 17

Disassembly Instructions ............................................................................. 19

PC-805 Technical Illustrations ..................................................................... 21

4PC-805 Parts Counter Service Manual

Capacity Normal Resolution Expanded Resolution

10 lb 0.001 lb 0.00005 lb

50 lb 0.005 lb 0.0002 lb

100 lb 0.01 lb 0.0005 lb

5 kg 0.0005 kg / 0.5 g 0.00002 kg / 0.02 g

25 kg 0.002 kg / 2 g 0.0001 kg / 0.1 g

50 kg 0.005 kg / 5 g 0.0002 kg / 0.2 g

Overcapacity indication (upper dashes) will occur at 9 divisions over rated

capacity or 102% of full scale capacity.

1 part in 2,000,000 (QDTTM)

Standard digital software filtering

Seven digits of seven-segment, high-contrast black LCD, .5" (1.3 cm) high

with blue electro-luminescent backlight

15VDC at 300mA from a 117VAC 60Hz inline transformer

Optional 12VDC lead acid battery

Bidirectional RS-232 output with selectable baud rate

14° to 104° F (-10° to 40° C)

10 to 90% relative humidity, non-condensing

Specifications

Capacities and Resolutions:

Overcapacity Limits:

Internal Resolution:

Filters:

Display:

Power:

Output:

Operating environment:

5PC-805 Parts Counter Service Manual

What's In This Manual?

This manual contains the information you need to configure, calibrate and

service the PC-805 counting scale. The manual is divided into the following

sections:

• Scale Menu

• Diagnostic Menu

• Configuration Menu

• Communication

• Technical Drawings and Assemblies

The different modes of operation are accessed by placing the switches of

SW1 in the positions described in Table 1. Switch SW1 is located under the

scale shroud on the right side of the scale. See Figure 1. Calibration,

diagnostics, and configuration can also be accessed by pressing and

holding the PRINT key for five seconds.

Switch SW1

ON OFF Mode of Operation

1, 2 Normal Operation Mode

2 1 Menu Mode (Scale, Diag., Config.)

3 External Display Mode

Table 1

Switch settings

Figure 1

Switch SW1 location

Switches not listed in Table are

irrelevant to the mode. It does

not matter what position they

are in for that particular mode.

Accessing Menus and

Modes

6PC-805 Parts Counter Service Manual

Scale Menu

The first menu you see when entering the menu mode is the Scale menu.

Follow these steps to explore the Scale menu.

1. Set SW1-2 to the ON position

and SW1-1 to the OFF position

OR hold the PRINT key for 5

seconds. The display shows SCALE. The

entire Scale menu is shown in

Figure 2 below.

2. Follow the legend at the top of

the menu to navigate through the

menu. Each item is explained on

the next pages.

Figure 2

Scale Menu

Because a 7 segment display

cannot show all of the alpha-

bet, the words on the display

are the closest representations

of the words they stand for that

can be accomplished. The

menus show the words as all

caps and clarified in some

instances. The explanations in

the text will use the letters and

case you will see on the

display.

* = factory default value

Press any key

but

to abort the

calibration process

SAMPLE

To move , press the ke

To move , and to choose an option, press the ke

Press key to go up one menu level.

SAMPLE

TA RE

ZERO

COUNT/WEIGHT

7PC-805 Parts Counter Service Manual

CALib is the calibration function for the scale. Follow these steps to cali-

brate your scale:

1. With CALib displayed, press the

ZERO key. . . PoUnd or 1000 g is displayed.

These are your choices for unit of

measure for the calibration test

weight.

2. Toggle between these two units

of measure by pressing the

SAMPLE key. With the unit of

measure you want displayed,

press the ZERO key. . . A weight capacity is shown on the

screen.

3. Press the SAMPLE key to scroll

through the choices of scale

capacity. With your choice

displayed, press the ZERO

key. . . LoAd 0 is displayed. Be sure all

weight is removed from the scale.

4. Press the ZERO key. . . bUSY is briefly displayed then LoAd

X. Xis the amount of weight to put

on the scale for calibration. You can

scroll to an alternate weight by

pressing the ZERO key. See Table 2

at left.

5. With LoAd X displayed, place X

weight on the scale and press

the ZERO key. . . bUSY is briefly displayed then donE.

The display then returns to CALib.

ConFig (scale configuration) is the next item under the Scale menu. Below

are descriptions of each item in this submenu. Use the ZERO and SAMPLE

keys as you did in the calibration section to navigate through the choices

and select the configuration items you want.

0 rAngE Zero range

Choices: 100% or 2% of full capacity

Use this to set the allowable zero range.

0 Start Zero Start

Choices: YES or NO

If YES is select, the scale zeros when it powers up. If NO is

selected, the scale will display the weight on the platter when it

powers up.

Azt rng Auto zero tracking range

Choices: Off, 0.5d, 1d, 2d, 3d, 5d

Use this to set the allowable zero tracking range. This will not

affect the count or sample modes.

CALib (Calibration)

ConFig (Configuration)

Press any key except the

SAMPLE key to abort calibra-

tion. If you abort the procedure,

Abort is displayed briefly then

CALib.

During calibration the display

may show bUSY if scale

motion is detected. Wait to see

if the display clears. If not, turn

off the scale and turn back on.

Repeat the calibration proce-

dure

The scale defaults to 10,000d

resolution after calibration.

Scale

Capacity

100

125

150

200

250

300

500

Alt 1

N/A

Alt 2

N/A

100

200

Tab le 2

lternate Span Weights

8PC-805 Parts Counter Service Manual

ovr CAP Over capacity

Choices: 102% or full capacity or 9 divisions

Use this to set the overcapacity limit.

StAblE Stability

Choices: Off, 0.25d, 0.5d, 1d, 2d, 5d

Use this to set the stability limit. This is the allowable motion for

zero acceptance, tare acceptance and the stable indicator.

Off = 100d.

rESo Resolution

Choices: 5k, 10k, 12.5k, 15k, 20k, 25k, 30k, 40k, 50k, 75k,

100k, 125k, 150k, 200k, 250k, 300k, 400k, 500k

Use this to set the desired scale resolution.

FiLtEr Filter

Choices: Normal and Fast

Use this to set the amount of filtering needed for your situation.

Choose Fast in situations with excess vibration.

UPdAtE Update

Choices: 1 time/second, 2 times/second, 8 times/second,

16 times/second

Use this to set the display update rate.

dEFAULt Default

Choices: Yes, No

Use this to reset the Config. factory defaults. Calibration will not

be affected.

LFiLt LFilter

Choices: 4, 5

Sets filtering of the QDT®cell. A setting of 4 is more accurate

but slows response compared to a setting of 5.

done Done

Hit the SAMPLE key with this displayed to move back to the

ConFig display.

Restart is the next menu item. Use this to reinitialize the scale. You will need

to recalibrate if you choose yes.

Seal is the next menu item. Choose Yes if you want to disable access to the

scale menu through the front panel PRINT key. If yes is chosen and you try

to access the scale menu, SEALEd will be displayed. Choose No if you

want to leave front panel access to the scale menu available.

Done is the last menu item in the Scale menu. Press the COUNT/WEIGHT

key to return to the SCALE display.

rEStArt (Restart)

SEAL (Seal)

done (Done)

Bold selections are factory

defaults.

9PC-805 Parts Counter Service Manual

Figure 3 shows the Diagnostic menu.

Diagnostic Menu

Access the diagnostic menu by following the instructions in the section

Accessing Menus and Modes. Below are explanations for each of the items

in this menu. With the test name displayed, press the ZERO key to perform

the test.

BAttERY Battery

Choose this to display the current battery voltage. Battery

voltage will usually read from 11 to 13 volts. The Lo Bat annun-

ciator will show up when voltage drops to 11.5 volts. The scale

will shut off when voltage is 10 volts. While recharging, this

display will show 13-14.5 volts and if AC powered the display will

show approximately 14.5 volts.

C CRYSt Compression Crystal

Choose this to display the raw frequency from the compression

crystal in the Quartzell®. A typical count with no load on the

scale should be as stable as the other crystal frequency and

within 10% of each other. This number should increase as

weight is applied to the scale. Press the ZERO key to end the

test.

t CRYSt Tension Crystal

Choose this to display the raw frequency from the tension

crystal in the Quartzell®. A typical count with no load on the

scale should be as stable as the other crystal frequency and

within 10% of each other. This number should decrease as

weight is applied to the scale. Press the ZERO key to end the

Figure 3

Diagnostic menu

A PC-805 with the backlight

enabled and a fully charged

battery may be expected to last

12 hours before recharging is

necessary. With the backlight

disabled the battery will last

approximately 24 hours and

take about eight hours to

recharge.

shows voltage shows raw

digital count

compression

crystal count

tension

crystal

count

performs

a serial

loopback

test

shows model #,

software

revision level

and performs a

display segment

test

shows high

resolution with

ZT on

Lets you

check key

function

shows high

resolution w/o

To move , press the key.

To move , and to choose an option, press the key.

Press key to go up one menu level.

SAMPLE

TARE

ZERO

COUNT/WEIGHT

10 PC-805 Parts Counter Service Manual

test.

Count Count

Choose this to display the raw, digital counts from the

QuartzellTM. Count should be approximately 100,000-200,000

and as stable as the crystal counts.

SERIAL Choose this to perform a serial loopback test. You must connect

the transmit and receive lines together for this test to work.

Display will show pass or fail.

dISPLAY Display

Choose this to display the model number, software version part

number and revision and to perform a display segment test.

bUttonS Buttons

Choose this to test the keys of the front panel. Each key press is

spelled out in the display to show it is functioning properly. The

COUNT/WEIGHT key will return the display to bUttonS.

HI RESA High resolution with AZT enabled

Choose this to display weight data with 1,000,000 count resolu-

tion. AZT is enabled during this test. Press the SAMPLE or

COUNT/WEIGHT key to stop the test.

HI RESn High resolution with no AZT

Choose this to display weight data with 1,000,000 count resolu-

tion. AZT is disabled during this test. Press the SAMPLE or

COUNT/WEIGHT key to stop the test.

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