Doran Scales PC400 Manuel utilisateur
Digital Portion Control Scale
Instruction Manual
DORAN SCALES INC.
1315 PARAMOUNT PKWY.
BATAVIA, IL. 60510
1-800-262-6844
FAX: (630)879-0073
http://www.doranscales.com
MANUAL REVISION: 0.0
MAN0233 1/30/04
Model PC400
Made in USA
i
Table of Contents
Section 1. Unpacking and Installation......................................................................... 1
Unpacking: .................................................................................................................................. 1
Installation: .................................................................................................................................. 1
Electrical Connections:................................................................................................................ 1
Usage: .......................................................................................................................................... 1
Section 2. Scale Operations Guide............................................................................. 3
Display Functions:....................................................................................................................... 3
Basic Weighing Operations:........................................................................................................ 3
Units Select:................................................................................................................................. 3
Battery: ........................................................................................................................................ 4
Power:.......................................................................................................................................... 4
Auto Shut-down: ......................................................................................................................... 4
Section 3. Setup and Calibration Guide ..................................................................... 5
Power connections:...................................................................................................................... 5
RS-232 Connections:................................................................................................................... 5
Calibration and Parameter Setup:................................................................................................5
Analog Setup: .............................................................................................................................. 6
Section 4. Battery......................................................................................................... 7
Charging: ..................................................................................................................................... 7
Replacement: ............................................................................................................................... 7
Voltage Levels:............................................................................................................................ 8
Battery Voltages .......................................................................................................................... 8
Section 5. Parameter Setup......................................................................................... 9
Entering and Exiting Setup Mode: .............................................................................................. 9
Changing a Parameter: ................................................................................................................ 9
Changing Start up Units: ........................................................................................................... 10
Legal for Trade Restrictions:..................................................................................................... 10
Section 6. Setup Menus Explained ........................................................................... 11
Resoluton (divisions) Setup Menu ............................................................................................ 11
Capacity Setup Menu ................................................................................................................ 11
Calibration Menu(s)................................................................................................................... 11
Reset All Parameters to Default Settings?................................................................................. 11
Auto Off Mode .......................................................................................................................... 12
Auto Zero Tracking ................................................................................................................... 12
Motion Aperture ........................................................................................................................ 12
Start Up Zero ............................................................................................................................. 12
Data Output ............................................................................................................................... 13
Data Format ............................................................................................................................... 13
Baud Rate .................................................................................................................................. 13
Convert Select ........................................................................................................................... 13
Startup Units.............................................................................................................................. 14
Operation Mode......................................................................................................................... 14
Raw Counts................................................................................................................................ 14
Section 7. Data Communications.............................................................................. 15
Introduction to data communications:....................................................................................... 15
ii
Printer Modes: ........................................................................................................................... 16
Data Output Format:.................................................................................................................. 17
Bi-directional Communications: ............................................................................................... 20
Section 8. Specifications ............................................................................................ 21
Section 9. Troubleshooting ....................................................................................... 23
General problem resolution: ...................................................................................................... 23
Error Messages: ......................................................................................................................... 24
Error Messages (cont.): ............................................................................................................. 25
1
Section 1. Unpacking and Installation
Unpacking:
Before unpacking your Doran scale, please read the instructions in this
section. Your new scale is a durable industrial product, but it is also a
sensitive weighing instrument. Normal care should be taken when
handling and using this product. Improper handling or abuse can
damage the scale and result in costly repairs that may not be covered by
the warranty. If you notice any shipping damage, notify the shipper
immediately. Please observe the following precautions to insure years
of trouble free service from your new scale.
! DO NOT drop the scale.
! DO NOT immerse the scale.
! DO NOT drop objects on the scale.
Carefully remove the scale from the shipping carton. Be sure to retain
all shipping materials in case the scale must be shipped elsewhere.
Installation:
Place the scale on a stable flat surface. Verify that the bubble level
located under the platter shows that the scale is level. Adjust the four
feet to obtain a level condition (bubble in center.)
Electrical Connections:
The PC400 uses a wall mounted transformer or an internal rechargeable
battery to provide power to the scale. The transformer requires 115 Vac,
50/60 Hz power. Be sure the AC power is not excessively noisy - this
can occur if large inductive loads, such as solenoids or motors, are on
the same power line. Also be sure that the power outlet and transformer
are not exposed to water while the scale is plugged in.
Usage:
Although the Doran PC400 is built with a rugged stainless steel base,
case and platter, it is intended for wipedown use only, not washdown.
Clean the scale with a damp cloth & mild detergent for maximum life.
2
3
Section 2. Scale Operations Guide
Fig. 1 PC400
Display Functions:
The Model PC400 controls consist of ON/OFF, UNITS and ZERO
buttons located next to the main LCD display. The display is used to
provide weight indications and operator messages describing scale
operation.
Basic Weighing Operations:
1) Remove all items from the scale platter.
2) Press ZERO to zero the scale.
3) Place an item on the scale platter and wait for the scale to stabilize.
4) Read the weight on the scale display.
Units Select:
Press the UNITS button to change weight display units from lb to oz to
kg to g to lb:oz.
4
Battery:
When the battery needs to be recharged, the “LO BAT” indicator
illuminates.
Power:
The PC400 is powered by an AC wall transformer or the internal
rechargeable battery, both standard features. Turn the scale on or off by
pressing ON/OFF.
Auto Shut-down:
The PC400 has a feature called “Auto Shut-down” that turns the scale off
after a preset time of no activity. This helps conserve battery life. The
preset time is selectable from 1 minute to 60 minutes or it can be
disabled so the scale remains on continuously. The default setting is 5
minutes.
5
Section 3. Setup and Calibration Guide
Power connections:
The PC400 is powered from a wall mounted transformer or the internal
rechargeable battery. The transformer has a power cord which plugs
into the power jack located on the back of the scale.
RS-232 Connections:
The PC400 has a standard RS-232 output. To use this feature, the
optional RS-232 cable is needed. Plug one end of the RS-232
connector into the RJ-12 connector located on the rear of the scale.
Attach the other end to your computer or printer.
Calibration and Parameter Setup:
1) After applying power to the PC400, remove the platter, turn the scale
over and remove the calibration bolt as shown above. Place a thin blunt
object through the hole and press straight down. The scale should enter
the Setup/Calibration mode, and the scale should display “div 2.5” (or
“div 5.0“or “div 10” depending on the scale resolution.)
2) Turn the scale upright, replace the platter and press the UNITS
button twice. The scale should now display “CAL 0”.
3) Remove any unnecessary weight from the scale platter. Press
ZERO. Wait for the scale to count down from “7” to “0”. If the scale
detects motion, the display will restart the count. When finished, the
display will return “CAL F5”.
NOTE: If “r9 Err” appears on the display, the calibration zero is out of
range. Press ZERO to clear this error. Refer to the analog setup
section for additional information.
Battery
Compartment
Cover
6
4) Place full capacity on the platter and press ZERO. Wait for the scale
to count down from “7” to “0. If the scale detects motion, the count will
restart. When finished the scale will return to the weigh mode.
NOTE: If “SPnL” or “SPnH” appears on the display, the calibration span
is out of range. Verify that the calibration weight is correct and
repeat the calibration. Refer to the analog setup section for
additional information.
5) If additional parameter changes are needed, refer to Chapter 4.
Analog Setup:
The following table shows the acceptable “Raw Counts” for no load and
full load. “Raw Counts” can be viewed through the last setup parameter.
Refer to Section 4, Parameter Setup, for more information regarding
parameter viewing.
If the scale’s raw counts are not within the ranges specified in the
following table, load cell may need to be replaced.
Scale Capacity Acceptable “Raw Counts”
for no load
Acceptable CHANGE in
“Raw Counts” for full load
2 lb 18,500 – 41,000 64,500 – 92,500
5 lb 14,500 – 35,250 110,000 – 143,000
10 lb 6000 – 24,000 120,500 – 153,000
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