Yamato DSR-400 Manual de usuario
DSR-400 Technical Manual
YCO-1052-08-04
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
YCO-1052-08-04
DSR-400 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 every section to ensure proper operation. Keep this 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 Procedures 1
A. Setting Auto-Off 1
B. Calibration 2
III. Troubleshooting 3
IV. Wiring Diagram 3
YCO-1052-08-04
DSR-400 Technical Manual
1
I Introduction
The DSR-400 displays units of pounds and kilograms. The specifications for each unit are in the
following table.
The DSR-400 can be powered by 6-AA batteries or by an AC adapter. Use only the AC adaptor sup-
plied or an adaptor of the same output characteristics. While operating the DSR-400 on batteries,
an automatic-off feature is enabled. It will turn off the scale after two minutes of non-use unless the
feature is disabled. The automatic-off is set in Set-up Mode (see section II.A.)
II.A Setting Auto-Off
II Set-up Procedures
1. Unscrew left side (side without the cord) of indicator and locate
the Dip Switches.
The following is the switch settings for the Dip Switches.
a) DS1 and DS2 MUST be switched OFF.
b) DS3 The indicator starts up in pounds when the DIP switch is ON.
The indicator will start up in kilograms when switched OFF.
c) DS4 Auto shut off is enabled when switched OFF and disabled when switched ON.
Capacity Increment Maximum Tare
0 lb - 220 lb 0.5 lb Full Scale
220 lb - 400 lb 1.0 lb Full Scale
0 kg - 100.0 kg 0.2 kg Full Scale
100 kg - 180.0 kg 0.5 kg Full Scale
Set-up Mode is used to disable or enable the automatic-off feature.
DIP SW No. POSITION FUNCTION
ON OFF
DS1 * GRAM UNITS &
DS2 * DECIMAL Lb UNIT
DS3 * Lb WHEN TURNED ON
DS4 * AUTO OFF
YCO-1052-08-04
DSR-400 Technical Manual
1. Turn the scale on.
2. With all items remove from the scale platform:
Press and hold the <ON> key and quickly press the <lb/kg> key three times.
The scale will show the raw zero counts. It should be between 2000 and 5000 counts.
Release the <ON> key.
The scale will automatically zero.
3. Place 265 lb or 120 kg on the scale platform. It should read between 7000 and 15000
counts.
4. When the readings are stable, press the <ON> key. The scale will indicate “CAL” for about
three seconds and then either 265.0 lb or 120.0 kg.
5. If the calibration is still off, repeat the above process being carefull to keep the scale stable
when the zero and 265 lb/120 kg readings are taken.
II Set-up Procedures
2
II.B Calibration
YCO-1052-08-04
DSR-400 Technical Manual
3
III Troubleshooting
Problem
The scale will not power on.
The display continues to display
four eights after the scale is
turned on.
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.
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.
Remove material.
Reposition wires, case or
platform.
Reconnect or replace the
load cell connector.
Replace power board.
Replace CPU board.
IV Wiring Diagram
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