Yamato Acuu-Weigh SPC-2002 Manuale utente

SPC-2002/5005 Technical Manual

YCO-1097-02-02

YAMATO CORPORATION

1775 S. Murray Blvd.

Colorado Springs, CO 80916 USA

Tel (719) 591-1500 Fax (719) 591-1045

YAMATO TECH CORPORATION

#112-19425 Langley By-Pass

Surrey, B.C. V3S 6K1 Canada

Tel (604) 533-2338 Fax (604) 533-0827

www.yamatocorp.com

Digital Food Scales

YCO-1097-02-02

SPC-2002/5005 Technical Manual

Table of Contents

Before using the scale, carefully read, understand and follow the “Safety Instructions” described in this manual. Observe the advice

given in the Operation Manual to ensure proper operation. Keep this Technical Manual handy for reference.

1) This scale is not an explosion-proof model. Do not use the scale in an atmosphere containing flammable gases or explosive fumes. A

fire or an explosion can result.

2) Do not operate the scale if there is smoke or a burned smell coming from the scale. Unplug the scale immediately. After making sure

that there is no danger, consult your dealer. Never try to repair the scale by yourself.

3) Never step on or sit on the scale. Not only will the scale be damaged, but you may also be injured.

4) Place the item to be weighed in the center of the platform. Items placed on the edge of the platform may fall off and cause injury.

5) When weighing a heavy, large or unbalanced item, make sure the item is stable on the platform, otherwise, an accident may occur.

6) When carrying or moving the scale, be sure to hold it by the bottom of the base with both hands. If you hold it by the platform, the

platform or the platform support may become detached causing the scale to fall. This will damage the scale. The platform is designed

for easy removal and cleanup.

7) Do not insert your finger into the gaps or holes in the scale. You may be injured.

SAFETY INSTRUCTIONS

I. Introduction 1

II. Set-up 1

III. Calibration 2

IV. Troubleshooting 3

V. Wiring Diagram 4

VI. Parts List 5

YCO-1097-02-02

SPC-2002/5005 Technical Manual

I Introduction

The SPC is a split range scale. It displays units of pounds and fractional ounces, decimal pounds,

continuous ounces, and grams. Two of these units can be selected by the dip switch setting (see

section II). The specifications for each unit are in the following tables.

SPC-2002

SPC-5005

The SPC can be powered by 6-AA alkaline batteries, a 9V transistor battery or an AC adaptor.

ALWAYS reconnect the AA battery holder when using the AC adaptor to prevent ELECTRICAL

SHORTING.Yamato recommends that the batteries be removed when the AC adaptor is being used.

Use only the AC adaptor supplied or an adaptor of the same output characteristics.

The SPC has an automatic-off feature that will turn off the scale after two minutes of non-use. The

feature is enabled and disabled by the dip switch setting (see section II).

II Set-up

Remove the rectangular plug at the rear of the scale to expose the four place dip switch shown below.

Example: Decimal lb / g mode with g displayed at power up, auto-off feature disabled.

Dip Switch functions:

Switch 1 and 2 select Switch 3 selects Switch 4 controls

units of measure gram/lb-oz preference auto-off feature

at power up

Set the switches to the desired combination and replace the rectangular plug.

Lower Range Increment Upper Range Increment

0.0 lb to 2.2 lb 0.002 lb 2.2 to 4.4 lb 0.005 lb

0 oz to 35 oz 0.05 oz 35 oz to 70 oz 0.1 oz

0 lb 0 oz to 2 lb 3 oz 1/8 oz 2 lb 3 oz to 4 lb 6 oz 1/4 oz

0 g to 1000 g 1 g 1000 to 2000 g 2 g

Lower Range Increment Upper Range Increment

0.0 lb to 5.5 lb 0.005 lb 5.5 to 11.0 lb 0.01 lb

0 oz to 88 oz 0.1 oz 88 oz to 176 oz 0.2 oz

0 lb 0 oz to 5 lb 8 oz 1/4 oz 5 lb 8 oz to 11 lb 0 oz 1/2 oz

0 g to 2500 g 2 g 2500 to 5000 g 5 g

1 2 3 4

High (H)

Low (L)

3 Switch#

H lb-oz mode

L gram mode

1 2 Switch#

H H lb-oz / g

H L cont. oz / g

L H dec. lb / g

L L gram only

4 Switch#

H disable auto-off

L enable auto-off*

*The scale will shut off after

2 minutes of non-use.

YCO-1097-02-02

SPC-2002/5005 Technical Manual

III Calibration

1. With the scale off, hold down the ON

O/T key and press the oz

lb key

three times. Release the ON

O/T key. The scale should be displaying

the internal counts.

2. Press the ON

O/T key to zero the counts.

3. Place 2 kg, 4.41 lb or 70.5 oz (SPC-2002), or 5 kg, 11.02 lb or

176.4 oz (SPC-5005) on the scale platform. The counts should

read 15,000 to 18,000 counts.

NOTE: The SPC displays 10,000 as 00001. The most significant

bit appears in the upper right hand corner.

4. Press the ON

O/T key. The display will read “CAL” for about four

seconds.

5. The scale should return to normal operating mode and display the

calibration weight.

6. Remove the weight from the scale platform. The display should

indicate zero grams.

YCO-1097-02-02

SPC-2002/5005 Technical Manual

IV Troubleshooting

Problem

The scale will not power on.

The display continues to display

four eights after the scale is

turned on.

“Err” appears upon power up.

“ErrL” appears upon power up.

“Lo” displayed.

The displayed weight fluctuates

excessively.

Possible Cause

Batteries dead or incorrectly

installed.

AC adapter loose or malfunc-

tioning.

CPU board malfunction.

Vibration or an unstable

position or platform.

Platform weight too high.

Platform weight too low.

Low batteries.

Material between the platform

and the scale body.

Weighing assembly in contact

with wires or case.

Load cell connector loose or

damaged.

Power board malfunction.

CPU board malfunction.

Solution

Test batteries. Reinstall if

needed.

Reseat adapter. Replace if

needed.

Replace CPU board.

Remove source of vibration

or place scale on stable

platform.

Clear platform and restart.

Remove platform, clear

away any debris and rein-

stall platform.

Install new batteries.

Remove material.

Reposition wires, case or

platform.

Reconnect or replace the

load cell connector.

Replace power board.

Replace CPU board.

YCO-1097-02-02

SPC-2002/5005 Technical Manual

V Wiring Diagram

YCO-1097-02-02

SPC-2002/5005 Technical Manual

VI Parts List

YCO-1097-02-02

SPC-2002/5005 Technical Manual

VI Parts List

ITEM PART # DESCRIPTION QTY.

1 SHA-1520-001010 Cover, SS, Platform 1

2 MCH-5000-001020 Screw/Washer Assembly, Platform Plate 1

3 CHA-1550-200230 Adaptor, AC 1

4 SHA-1520-001030 Plate, Platform Support 1

5 SHA-1520-001050 Plug, Rubber, AC Adaptor 1

6 SHA-1520-001020 Washer, Rubber, .25 x .25 x .044 8

7 MCH-5000-001040 Screw/Washer, Upper Housing 4

8 SHA-1520-001060 Housing, Upper 1

9 SHA-1520-001070 Cover, Loadcell 1

10 SHA-1520-001093 Membrane, K-switch 1

11 SHA-1520-002094 Front Mask, SPC-2002 1

SHA-1520-002095 Front Mask, SPC-5005 1

12 SHA-1520-001075 Screw/Washer Assembly, Loadcell 4

13 SHA-1520-001080 Standoff, Housing 4

14 SHA-1520-001120 Screw/Washer/Spacer Assembly, CPU Board 4

15 SHA-1520-002101 Loadcell/CPU Board Assembly, SPC-2002 1

SHA-1520-002106 Loadcell/CPU Board Assembly, SPC-5005 1

16 SHA-1520-001110 AC Jack Assembly 1

17 SHA-1520-001040 Battery Connector 1

18 SHA-1520-001140 Cover, Battery, Assembly 1

19 SHA-1520-001130 Base Assembly 1

20 SHA-1520-001053 Plug, Rubber, Dip Switch 1

NP SHA-1520-001055 Foot, Rubber 4

NP SHA-1520-001160 Holder, Battery 1

NP = Not Pictured

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