Doran 300 Setup guide

Digital Bench Scale

INSTRUCTION MANUAL

DORAN SCALES, INC.

1315 PARAMOUNT PKWY.

1-800-262-6844

FAX (630) 879-0073

http //www.doranscales.com

MANUAL REVISION 2.1

MAN0193 3/8/2006

Model 300

Made in USA

Table of Contents

Table of Contents .....................................................................................1

Introd ction...............................................................................................3

Q ick Start User's G ide..........................................................................4

Fig. 1 Model 300 Front Panel Layout ....................................................................... 4

Power Up .................................................................................................................... 4

Basic Weighing Operation ........................................................................................... 4

Turn Off (Battery option only) ...................................................................................... 4

Controls and Display Operation .................................................................................. 4

Zero ............................................................................................................................. 5

Units ............................................................................................................................ 5

Print (Optional) ............................................................................................................ 5

Battery Operation (Optional) ....................................................................................... 5

Low Battery Indication (Optional) ................................................................................ 6

Installation ................................................................................................................... 6

Electrical Connections ................................................................................................. 6

Q ick Set p G ide....................................................................................7

Load Cell and Power Connections .............................................................................. 7

Fig. 2 Load Cell connections .................................................................................... 7

Option Connections ..................................................................................................... 7

Fig. 3 Remote Push Button Connections ................................................................. 8

Calibration ................................................................................................................... 8

Analog Setup ............................................................................................................... 9

Table 1 Calibration requirements in raw counts ....................................................... 9

Detailed Parameter Set p ......................................................................10

Entering and Exiting the Calibration Setup Menu ..................................................... 10

Fig. 4 Quick Access Panel ..................................................................................... 10

Stepping through the menu parameters .................................................................... 10

Changing a Parameter .............................................................................................. 11

Quick Review of Setup Parameters ........................................................................... 11

Legal for Trade Restrictions ...................................................................................... 11

Set p Men s Explained..........................................................................12

Capacity Setup Menu .............................................................................................. 13

Calibration Menu ..................................................................................................... 14

Digital Filter Setup Menu ......................................................................................... 15

Automatic Zero Tracking Setup Menu ..................................................................... 15

Motion Aperture Setup Menu .................................................................................. 16

Start Up Zero Setup Menu ...................................................................................... 16

Latching Zero Request Setup Menu........................................................................ 16

Latching Print Request Setup Menu........................................................................ 16

Printer Data Output Setup Menu ............................................................................. 17

Output Formats ....................................................................................................... 17

Baud Rate Setup Menu ........................................................................................... 17

Serial Data Handshaking Setup Menu .................................................................... 18

Units Conversion Setup Menu................................................................................. 18

Start Up Units Selection Menu ................................................................................ 18

Push-button Function Setup Menu.......................................................................... 19

Remote Push-button Configuration Menu ............................................................... 19

Legal For Trade Setup Menu .................................................................................. 19

Scale Resolution Setup Menu ................................................................................. 19

Unit On Timer (Battery only).................................................................................... 20

Raw Counts Display Mode ...................................................................................... 20

Configuration Menu Exit .......................................................................................... 20

Data Comm nications............................................................................21

Introduction to data communications ......................................................................... 21

Printer Modes ............................................................................................................ 22

Transmit on demand (tod) ...................................................................................... 22

Continuous print (CP) ............................................................................................. 22

Auto Print 1 (AP1) .................................................................................................. 22

Auto Print 2 (AP2) .................................................................................................. 22

Data output format ..................................................................................................... 23

"F0" Format ............................................................................................................ 23

"2d" Format ............................................................................................................ 23

"SSP" format .......................................................................................................... 23

Table 4 Standard Doran serial protocol.................................................................. 24

Table 5 SMA serial protocol ................................................................................... 25

Table 6 Toledo serial protocol ................................................................................ 26

Table 7 Fairbanks and UPS serial protocol ............................................................ 27

Table 8 NCI serial protocol..................................................................................... 27

Specifications and Interconnect Data ...................................................28

Specifications ............................................................................................................ 28

Table 9 Scale Specifications .................................................................................. 28

Interconnect Data ...................................................................................................... 28

Table 10 TB1 Load Cell Connections..................................................................... 28

Table 11 P2 Options Connections.......................................................................... 29

Table 12 J1 Power Connections ............................................................................ 29

Table 13 P3 Keyboard Connections....................................................................... 29

Fig. 5 Connector J2, Remote switch cable assembly ............................................. 29

Fig. 6 P6 RS232 Output DB9 Connector................................................................ 30

Table 14 Serial Output pin description ................................................................... 30

Tro bleshooting .....................................................................................31

General problem resolution ....................................................................................... 31

Resetting the scale parameters ................................................................................. 32

Resetting the scale .................................................................................................... 32

Scale Messages ........................................................................................................ 33

Error messages ......................................................................................................... 33

Application Note .....................................................................................34

Description ................................................................................................................ 34

Hardware Setup ........................................................................................................ 34

Software Setup .......................................................................................................... 34

Warranty Statement................................................................................36

Introd ction

Introducing the Doran Scales, Inc. Model 300 Digital Bench Scale. This scale uses state

of the art technology to provide you with a low cost solution to the most demanding

weighing applications. With ease of use and setup in mind, the scale is simple to set up

and ready to use. The Model 300 offers many features. A few of these features are

listed below

 NTEP certification for Class III installations to 5,000d.

 A six digit, 0.56" red LED display for easy reading.

 lb, kg, oz, g, lb-oz display units supported.

 Fully configurable duplex printer port with RS232 support.

 EEPROM nonvolatile data storage of all calibration and setup information.

 Microprocessor monitoring system to prevent scale failure under severe

fault conditions.

 115/230 VAC 50/60 Hz (jumper selectable) operation.

 Field selectable digital filtering.

 Software configurable remote push-button support (Optional).

 60 hour of battery operation, with built in charger. (Optional).

 Six digit, 0.56" red LED remote display (Optional).

Please be sure to read the entire manual to ensure obtaining all the benefits that the

Model 300 can provide. If any questions arise, please feel free to contact the Doran

Scales Technical Support Department at 1-800-262-6844.

Unpacking Yo r Scale

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 will 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 platform.

 DO NOT pick up the scale by the "spider."

 Carefully remove the scale from the shipping carton.

Q ick Start User's G ide

Fig. 1: Model 300 Front Panel Layo t

Power Up:

Connect the Model 300 to a compatible power source. Or, press and release ZERO to

turn on, for scale with battery option.

Basic Weighing Operation:

1) Remove all items from the scale platter.

2) Press ZERO to zero the scale. The weight display should now read zero.

3) Place an item on scale platter and wait for the motion (MOT) indicator to go out,

indicating a stable weight.

4) Read the weight on the scale display.

T rn Off: (Battery option only)

1) To turn off manually, press and hold the ZERO push button until the display shows

"rel Pb." Then release, the ZERO button and, the indicator will turn off, or…

2) Indicator will turn off automatically at the end of the programmed power on time

delay when that mode is selected.

Controls and Display Operation:

The operational controls for the Model 300 consist of the ZERO (on/off on battery

option), UNITS, and an optional PRINT button. A six digit LED display is used to

provide weight indications and operator messages describing scale operation. Scale

status such as motion (MOT), polarity (NEG), center of zero (ZERO), and optional low

battery (BATT) are displayed on annunciators located to the left of the display area.

Scale units are indicated on four annunciators located to the right of the main weight

display.

Zero:

The ZERO button is used to zero the scale prior to making a reading. The ZERO button

can function over the full range of the scale or it can be limited to a zero band equal to

+1.9% of scale capacity for Canadian applications. To zero the scale, wait until the

scale is stable and press the ZERO button. The scale will zero immediately. The scale

will not "zero" if the scale is in motion.

Units:

The UNITS button permits the operator to change the Model 300 display weight units

easily. Simply press the UNITS button and the scale will indicate the correct weight in

the new units, lb, kg, g, oz, lb-oz.

Print: (Optional)

The PRINT button permits the operator to print the current weight or send a data stream

to an external device. Like the ZERO button, the user must wait for motion to stop

before pressing the PRINT button. The current weight will then be transmitted to the

printer or external device.

Battery Operation: (Optional)

The Model 300 is equipped with a self-contained rechargeable, sealed, gelled-

electrolyte battery and charging circuit. The scale is designed to run continuously for 60

hours on a fully charged battery.

The built-in charging circuit will fully charge the battery in approximately four hours. To

charge the battery, simply plug the line cord into a standard 115V (230V optional) wall

outlet.

The Model 300 can be used while recharging the battery. A full recharge takes place in

four hours, whether the scale is on or off, in fact the Model 300 can be used with the AC

charger cord plugged in on a continuous basis.

If an AC power failure occurs, the Model 300 battery takes over immediately to provide

uninterrupted scale operation for up to 60 hours.

Low Battery Indication: (Optional)

The "BATT" indicator indicates that the battery is in need of recharging. Once the

"BATT" indicator turns on, there will be approximately one more hour of battery life

before the scale shuts down. When the battery is too low to run the scale, the Model

300 simply turns off and will not operate again until the battery is recharged. The Model

300 remains accurate and useable even with the "BATT" on.

Note:Battery life can vary depending on the following

 The operating temperature.

 If optional remote display is installed.

 Whether or not the battery is fully charged after each low battery event.

Installation:

The desired scale location should be flat, level and free of any obstructions which might

interfere with the operation of the scale platter. Remove the platter and locate the

bubble level inside the base. Adjust the four scale feet so the bubble is centered with

the base stable so it does not rock.

When installing your scale, make sure that the power connection is close to the scale

and easily accessible.

Electrical Connections:

Prior to connecting your Model 300 to power, check the serial number tag on the scale

for the correct operating voltage. Verify that the power matches the rated voltage.

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. The Model 300 has a filtered

power supply to reduce the effects of normal line noise, but they cannot limit severe

fluctuations. If problems occur, noise producing devices may have to be suppressed to

minimize their effect.

Q ick Set p G ide

Load Cell and Power Connections:

Load cell connections are made through a terminal block located at the bottom center of

the main PC. Board (Fig. 2). The power cord connects to a connector adjacent to the

transformer. These connections are accessible by removing the scale platter and

access cover.

Fig. 2: Load Cell connections

The Calibration button (S5), located on main PC. Board (Fig. 4), can be accessed by

removing the scale platter and access cover. There are no zero jumpers, span jumpers,

buttons or pots to adjust scale calibration.

Option Connections:

The Remote Switch connector is found on the topside of the main PC. board (see Fig.

3). This connection is accessed by removing the access cover. Connections are made

by pressing plug on the Remote Switch cable, into the option connector P2 found on the

main board. Like the load cell cable and power cord, the option cables are passed

through a slot located between access cover and the back inside of the indicator base.

+ Signal

- Signal

+ Excitation

- Excitation

+ Sense

- Sense

Remove JU7 & JU8 when

connecting a 6 wire loadcell

Fig. 3: Remote P sh B tton Connections

Calibration:

1) Enter Calibration mode by pressing the CAL button (S1 or S5) (see Fig. 4). Press

and release the UNITS button (S2 or S6) until "CAL 0" appears on the display.

Place scale platter back on top of platform.

2) Remove all weight from the scale platter and wait for about 10 seconds. Press

ZERO and wait for the display to count down to 0. If the calibration zero was in

range, the display will return with "CAL FS". If the display returns with a "CAL 0".

Repeat the process.

NOTE: If "rg Err" appears on the display, the calibration zero is out of range. Press

ZERO to clear error. Refer to the analog setup section for additional information.

3) The scale can be calibrated using (a) full capacity weight, (b) half capacity, (c)

quarter capacity, or (d) one tenth capacity. To select the weight to calibrate the

scale, press the UNITS (S6) button and select one of four following capacities.

CAL FS Full load calibration.

CAL .50 Half load calibration. (50% of full load)

CAL .25 Quarter load calibration. (25% of full load)

CAL .10 1/10th load calibration. (10% of full load)

J4B

Remote Display

Remote Switch

GND.

4) To complete the calibration process, place the correct weight on the platter and

press ZERO, wait for the display to count down to 0. If the span calibration was in

range, the display will return with "donE". If the display returns with a "CAL 0",

repeat steps 2 and 3.

NOTE: If "SPAn E" appears on the display, the calibration span is out of range. Press

ZERO to clear error. Refer to the analog setup section for additional information.

NOTE: Scales calibrated at 10% of capacity are more likely to have significant errors at

full capacity than are scales calibrated at 25% or 50%. Doran Scales recommends that

all scales be calibrated at full capacity whenever possible. 10% calibration should not

be used when calibrating scales for legal for trade applications.

Analog Set p:

(Refer to this section only if you encounter a calibration problem)

1) Enter Calibration Setup mode by pressing the CAL button (S1 or S5).

2) Press and release UNITS button (S2 or S6) until in the raw counts mode.

3) Return the scale platform to "No Load" by removing all items except platter from the

platform.

4) Record the "No Load" counts. The "No Load" or dead load raw counts must be

between 130,000 and 393,000 counts. If the readings are outside of the limits

specified, the scale’s loadcell maybe defective.

5) Place "Full Load" on the platform and record the "Full Load" counts. Subtract the

"No Load" counts from the "Full Load" counts to calculate "span". Refer to Table 1

and verify that the span falls within the limits specified range. The "Full Load" raw

counts (span + dead load) should not exceed 900,000 counts.

6) When using 50%, 25% or 10% of full load to calibrate, refer to Table 1 50%, 25%,

10% span ranges.

Platform load Minimum span Maximum span

Full 50,000 600,000

50% 25,000 300,000

25% 12,500 150,000

10% 5,000 60,000

Table 1: Calibration req irements in raw co nts

Detailed Parameter Set p

The Model 300 has 20 setup and calibration parameters, which can be accessed

through the scale's Calibration Setup Menu.

Entering and Exiting the Calibration Set p Men :

To enter the Calibration Setup Menu. Remove the two screws mounting access cover.

Once opened, press the CAL button (S5) location on main PC board (see Fig. 4). The

indicator will display the first menu parameter, "CAL 50" (Where 50 can be any valid

capacity).

Fig. 4: Q ick Access Panel

To exit the Calibration Setup Menu, simply press the CAL button (S5) again, or scroll

through the menu, by pressing the UNITS button, until "donE n" appears. Press ZERO

until "donE y" appears and then press the UNITS button. The indicator will display

"SAVEd" and returns to the normal weighing mode. All parameter selections, will be

saved, including any just changed.

NOTE No setup information is saved until scale displays "SAVEd" and returns to the

RUN mode. In the event of a power failure while in the Calibration Setup Menu, any

changes that have been made will be lost.

After all setup changes are finished, and the indicator is in the normal weighing mode,

re-install the access cover. Make sure the access cover and all the screws are re-

installed in their original locations. Tighten the screws as needed.

Stepping thro gh the men parameters:

Once the Calibration Setup Menu has been entered, you may step through the menu by

pressing and releasing UNITS. A different display prompt will appear for each

parameter in the menu.

The parameter list on the following pages corresponds to the parameters available in

the Calibration Setup Menu.

CAL (S5) UNITS (S6)

Some of the menu parameters, when changed affect settings of other parameters. The

scale will limit these parameters or automatically set the parameters to meet the new

limits.

Changing a Parameter:

After finding the desired menu item, the parameters for that item may be changed.

Press and release ZERO to step through the parameter list for that item. The list of

choices will repeat if you keep pressing and releasing ZERO. When you have found the

desired setting, press UNITS to go to the next menu item.

Q ick Review of Set p Parameters:

Setup parameters for the Model 300 may be quickly reviewed without opening the

scale. Remove power and press and hold the ZERO button while you apply power.

Hold the button until the scale begins to scroll through the setup parameters. The

button may be released anytime after the review has begun. After parameters are

displayed, scale will then go to the normal weighing mode automatically.

Legal for Trade Restrictions:

When the Legal for Trade mode is enabled, it automatically disables some menus and

parameter options. This is done to comply with NTEP requirements. The menus and

parameter sections are shown on the following pages. Those menus and/or parameters

not available when in the Legal for Trade mode are marked by an asterisk.

Set p Men s Explained

(In order of occ rrence)

CAP CAL AVg AZt

Calibration Setup Menu

150

C16

C32

C64

oFF

0.5

m.A.

0.5

0.25

0.1

xxxxxx

tLd

Frb

nci

SU0

CL0

PB0

Zod

oFF

Pod

oFF

Cts

CSL

Lgo

UnitS

P.b.

lb oz

non

r.P.b.

oFF

Std

CAn

CtS

tdy

0.5

1.5

xxxxxx donE

d.o.

t.o.d.

C.P.

A.P.1

A.P.2

For.

SSP

SnA

br.

14.4

UPS

100

Capacity Set p Men

CAP Capacity Select Men

Allows the selection of scale capacity.

50 50 po nds

100 100 pounds

150 150 pounds

1,2

1) No lb-oz display for this capacity in precision resolution.

2) No lb-oz display for this capacity in super precision resolution.

Calibration Men

CAL Zero Calibration Mode.

0 Calibration Zero

Press ZERO to perform calibration of the scale zero.

Successful calibration is indicated by "donE"

NOTE The scale will automatically adjust the offset and gain to

compensate for dead load and span. When making these adjustments,

the scale may ask you to repeat zero calibration immediately after

performing a zero calibration or after a span calibration. Successful

calibration is indicated by "donE"

CAL Span Calibration Mode.

(Does not appear if CAL 0 is not activated.)

FS F ll load calibration.

0.5 Half capacity calibration.

0.25 Quarter capacity calibration.

0.1 1/10th of capacity calibration.

XXXXXX By pressing the optional print push button weight

value can be entered in. (note XXXXXX will be the

dialed in weight value.

* NOTE: For maximum accuracy, Doran Scales recommends that all

scales be calibrated at full capacity. When location or installation make

it difficult to bring full capacity weights to the scale, calibration with as

little 10% of capacity is possible.

Digital Filter Set p Men

Avg Averaging mode

Determines the n mber of samples to average

A0 Stabil-izer