Digi DS-470 User manual

73364
DS-470
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DS-470 SERIES OPERATING MANUAL
SECTION INDEX PAGE NUMBER
1.0. GENERAL 1
1.1. Description 1
2.0. SPECIFICATIONS 2
2.1. Technical Specifications 2
2.2. Physical Dimensions 3
3.0. INSTALLATION 4
3.1. Unpacking 4
3.2. Inspection 4
3.3. Repackaging 4
3.4. DI-470 RS-232 Cable Installation 5
3.5. Platform Unlocking Procedure 6
4.0. ELECTRICAL TEST 7
4.1. Set-Up Procedure 7
4.2. Keyboard & Display Test 7
5.0. OPERATION 8
5.1. Keysheet and Display Layout 8
5.2. DS-470 Key Function Summary
"
""
" See below 8
5.3. Indicator Lamps
"
""
" See below 8
5.4. Operation Procedure Overview 9
5.5. Tare Reduction 10
5.5.1. Digital Tare 10
5.5.2. One Touch Tare 10
5.6. Set The Min And Max Values 10-12
5.6.1. Programming Of Minimum And Maximum Range By Numeric Key Entry 10
5.6.2. Programming Of Minimum And Maximum Range By Weighing 11
5.6.3. Programming Of Minimum And Maximum Range By Entering Target Weight 11
5.6.4. Programming Of Minimum And Maximum Range By Weighing Target Weight 12
5.7. Check Weighing Operation 12-13
5.7.1. Using Full Container 12
5.7.2. When Filling A Container 13
5.8. Clearing Min & Max Range 13
6.0. DS-470 OPTIONS 14-20
6.1. RS-232 Option 14-18
6.2. Set Point 19-20
7.0. MAINTENANCE, CALIBRATION, TEST PROCEDURE, SERVICE 21-31
7.1. Maintenance Procedures 21
7.2. Service & Repair 22
7.3. Specification List
"
""
" See below 23-27
7.4. Span Enable Switch 28
7.5. Internal Count 28
7.6. Calibration Mode 29
7.7. Error Messages
"
""
" See below 29
7.8. Shop Notes 30
"
""
" See pages 2,8, 25,26, 27 for revisions in this manual
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1
DS-470 OPERATING MANUAL
1.0. GENERAL
1.1. Features
The DS-470SS Check Weighing Scale offers a practical solution to a wide
range of weighing applications. There are a variety of weight capacities and
increments available. The display resolution is selectable from 1/3,000 to
1/15,000. It features keyboard calibration with auto-span and ON/OFF,
REZERO, TARE, for one touch tare and a numeric keyboard for digital tare
and set point entry. For a list of platform sizes and available capacities see
page 2.
This instruction manual will provide the user with all the information necessary
to understand, set-up and operate the DS-470 scale. Included in this manual
are descriptions, specifications, drawings, and operating instructions.
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2.0. SPECIFICATIONS
This section includes a detailed listing of all pertinent specifications and parameters
for each of the DS-470 weighing scales. The system weighing accuracy is 0.02 %
for all models and they meet or exceed the requirements of OIML, Class III, and
NIST Handbook, Number 44.
2.1 Technical Specifications
ÂModel Name DS-470
ÂCapacity 3kg / 6kg /15kg / 30kg
6lb / 15lb / 30lb / 60lb
ÂInternal Resolution 1/600,000
ÂDisplay Resolution Single Range: 1/3000 , 1/6000 , 1/12000 , 1/15000
Display Resolution
Capacity 1/3000 1/6000 1/12000 1/15000
3LB e=0.001 lb e=0.0005 lb Not avail. e=0.0002 lb
6lb e=0.002 lb e=0.001 lb e=0.0005 lb Not avail.
12lb Not avail. e=0.002 lb e=0.001 lb Not avail.
15lb e=0.005 lb Not avail. Not avail. e=0.001 lb
30lb e=0.01 lb e=0.005 lb Not avail. e=0.002 lb
60lb e=0.02 lb e=0.01 lb e=0.005 lb Not avail.
3kg e=0.001kg e=0.0005g Not avail. e=0.0002 kg
6kg e=0.002 kg e=0.001 kg e=0.0005 kg Not avail.
12kg Not avail. e=0.002 kg e=0.001 kg Not avail.
15kg e=0.005 kg Not avail. Not avail. e=0.001 kg
30kg E=0.01 kg e=0.005 kg Not avail. e=0.002 kg
ÂDisplay type Weight display 7 Segments FIP display 6 digits(including minus
sign) , (letter height = 13mm)
Min & Max display 7 Segments FIP display 5 digits(letter height =
7mm)
ÂColored LED bar graph 5 LEDs each color Red, Green, Yellow
ÂKey Board 18 mechanical keys
ÂDimensions 256(W) x 320(D) x 87(H)mm
(platter size) 256(W) x 205(D)
ÂNet Weight Approximately 3kg
ÂInterface RS-232C for external device (PC) or
TTL Set Point Output by specification change
ÂInternal Buzzer Buzzer sounds at set point
Power Source AC 100/110V, 220/230/240V(+10% to –15%)50 or 60 Hz
Operating Temperature -10°degrees Celsius to 40°degrees Celsius
Relative Humidity 15% ≈85% RH
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2.2. Physical Dimensions
2.3. Color LED Bar Graph LEDs provide clear indication of weight condition between minimum and
maximum besides the digital weight display.
Target range is determined by entering 2 set points (min and max range.) The value can be
entered by any method described in section (5.6.) on pages 13 - 15. Set points alert the operator
with both auditory and visual signals if weight is within the target range.
The graduation of LED is determined by dividing the target range by 5 (Max weight – Min weight /5)
This LED is lit as the low min. This LED is lit as the min. acceptance range. This LED is lit as the high max.
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3.0. INSTALLATION
This section provides the information required for installation of the DS-470 weight
indicator.
The following steps accomplish installation.
1. Unpacking
2. Set-up Procedure
3.1. Unpacking
Each component of the DS-470 is packed in a specially designed carton.
Remove each component from its carton, separate the component from its
polystyrene shell assembly and set aside. Inspect the carton interior to be
sure that all accessories have been removed from the carton. Inspect the
carton inner panels for accessories.
NOTE: Be sure to repack all materials within the carton set. Store the
cartons in a secure area so they can be available whenever shipment of the
scale is required.
3.2. Inspection
Immediately after unpacking, a visual inspection of the instrument should be
performed. If any damage has been incurred during transportation the
shipper and DIGI MATEX INC. should be notified immediately. Instructions
for assessment of damage and further procedures will then be determined.
3.3. Repackaging
If, at anytime, the DS-470 check weighing scale must be returned for
modification, calibration, or repair, be sure that it is properly packed with
sufficient cushioning materials.
Whenever possible, the original carton assembly should be retained for this
purpose. Any damage caused by improper packaging will not be covered by
warranty.
3.4. RS – 232 Cable Installation & Assembly
The DS-470 has RS-232 & set points as a standard feature and are spec
selectable, pole mounting kit comes with all the necessary hardware and
assembly is easy. See page 6 for details.
3.5. DS-470 SS Unlocking
The unlocking procedure is Included on page 6.
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3.4. RS-232 Cable Installation
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3.5.1. DS-470 SS Unlocking Procedure
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4.0. ELECTRICAL TEST
4.1. Set-Up Procedure
This part of the procedure is used to verify proper operation of the weighing scale.
Place the scale on a reasonably level surface. Level the scale using the adjustable
legs and the level bubble guide.
Connect the AC power source, and press the "ON/OFF " key, the display will
momentarily show all digits from 0 to 9 in a "count-up" mode. Then the display will
blank, show all "8's", and enter the regular operating display.
If at any time the scale displays erratic data, it may be caused by a power transient.
Turn the scale "off" and momentarily unplug it from the wall outlet. Then restart, by
plugging the scale back in and pressing the "ON/OFF " key.
4.2. Keyboard and Display Test
This part of the procedure is used to verify proper operation of the various switches
and displays.
The following functions will be tested in this procedure:
A. Re-Zero
A. Tare Entry
B. Digital Tare Entry
4.2.2. One Touch Tare
A. Press the "0" key and then the "TARE" key to reset any Tare.
B. Press “REZERO” key to re-zero the scale.
C. Place the empty container on the scale and press the "TARE" key
once. The weight display should now read zero with the empty container
on the scale.
4.2.3. Digital Tare Entry
A Press the "TARE" key.
B Press the "RE-ZERO" key. After resetting, the Displays will read zero.
C Enter the number 0.2 by using the keyboard. Then press the "TARE" key.
D The weight display will show the weight entered with a negative sign
indicating that the weight displayed is a Tare Weight.
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OPERATION
5.1. Keysheet and Display Layout
"
""
"Note: For Ver 1.19 and above Indicator lights in the weight window are as follows
ZERO TARE lb kg g oz - and the [kg/lb] key is now labeled [UNIT]
5.3. Indicator Lamps
Indicators Function Indicators Function


ZERO Lamp When weight is at zero kg Kg Lamp When kilograms is selected
NET TARE Lamp When a tare is programmed g g Lamp When grams is selected
lb Lb Lamp When pounds is selected oz oz Lamp When ounces is selected
5.2. DS-470
Key Function
Summary
Numeric Keys : 0 - 9
Re-Zero Key: To return scale to zero point
MIN & MAX key:
To enter the minimum & maximum
weight range Set point
ENTER key:
Used to send data with RS-232 &
Used to store specs in program mode
ON / OFF key: To turn on and off the power to the display
PERCENTAGE
Key:
Used to min & max percent set point &
Used to exit spec mode
CLEAR key: Used to clear data in display
TARE key: Used for setting and clearing tare weight
Kg/LB("now
unit change)
Switch between pounds, kilograms (
"
""
"
now also grams and
ounces see spec 3) ver1.19
Numeric Keys : 0 - 9
Re-Zero Key: To return scale to zero point
MIN & MAX key:
To enter the minimum & maximum
weight range Set point
ENTER key:
Used to send data with RS-232 &
Used to store specs in program mode
ON / OFF key: To turn on and off the power to the display
PERCENTAGE
Key:
Used to min & max percent set point &
Used to exit spec mode
CLEAR key: Used to clear data in display
TARE key: Used for setting and clearing tare weight
Kg/LB("now
unit change)
Switch between pounds, kilograms (
"
""
"
now also grams and
ounces see spec 3) ver1.19
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5.4. Operation Procedure Overview
Step 1. ----- Press ON/OFF key to turn on the power.
The numerical display windows will begin with all 0’s and scroll through to all 8’s. The
DS-470 is ready to weigh as shown below.
0 0
0.0000
Note: Please set scale on a firm surface and turn adjusting legs until bubble comes
to the center of the level indicator.
Step 2. ----- 5.5. Tare Subtraction.
Step 3. ----- 5.6. Set The Min And Max Values.
Step 4. ----- 5.7. Check Weighing Operation.
Step 5. ----- 5.8. Clearing Min & Max Range
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SCALE OPERATION
5.5. Tare Reduction
5.5.1. Preset Tare Operation
indicators 1 : 2 : NET 3 : Îgh
INDICATORS DISPLAYTASK OPERATION
1 2 3 WEIGHT MIN MAX
Weighing mode •
••
•0.000 0 0
1. Enter tare weight with numeric
keys. (Ex. Tare 0.900 lb.)
[9] [0] [0] •
••
•0.900 0 0
2. Subtract tare weight. [T] •
••
••
••
•−0.900 0 0
5.5.2. One Touch Tare Operation
indicators 1 : 2 : NET 3 : Îgh
INDICATORS DISPLAYTASK OPERATION
1 2 3 WEIGHT MIN MAX
Weighing mode •
••
•0.000 0 0
1. Place tare weight on platter.
(Ex. Tare 0.500 lb.)
0.500 0 0
2. Press the tare key. [T]
•
••
•0.000 0 0
3. Remove the weight from
platter.
•
••
••
••
•−0.500 0 0
"
""
"NOTE: To clear a tare value, press [T] key with no weight on platter.
"
""
" NOTE: When setting min & max values the scale will not allow weight unit to
change, the [UNIT] key is disabled until both min & max values have been selected.
The min & max values will then be converted to weight unit selected.
5.6. Set the min and max values.
5.6.1. Programming Of Minimum And Maximum Range By Numeric Key Entry
indicators 1 : 2 : NET 3 : Îgh
INDICATORS DISPLAYTASK OPERATION
1 2 3 WEIGHT MIN MAX
Weighing mode •
••
•0.000 0 0
1. Enter minimum weight value
by using the numeric keys.
(ex. 0.156 lb.)
[1] [5] [6] •
••
•0.156 0 0
2. Press MIN key to set the
Minimum Value.
[MIN] •
••
•0.000 0.156 0
3. Enter maximum weight value
by using the numeric keys.
(ex. 0.183 lb.)
•
••
•0.183 0.156 0
4. Press MAX key to set the
Maximum Value.
[MAX] •
••
•0.000 0.156 0.183
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5.6.2. Programming Of Minimum And Maximum Range By Weighing
indicators 1 : 2 : NET 3 : Îgh
INDICATORS DISPLAYTASK OPERATION
1 2 3 WEIGHT MIN MAX
Weighing mode •
••
•0.000 0 0
1. Place weight equal to
minimum value desired on
platter. (Ex.0.209 lb.)
0.209 0 0
2. Press MIN key to set the
minimum value.
[MIN] 0.209 0.209 0
3. Place weight equal to
maximum value desired on
platter. (Ex.0.309 lb.)
0.309 0.209 0
4. Press MAX key to set the
maximum value.
[MAX] 0.309 0.209 0.309
5.6.3. Programming Of Minimum And Maximum Range By Entering Target Weight
indicators 1 : 2 : NET 3 : Îgh
INDICATORS DISPLAYTASK OPERATION
1 2 3 WEIGHT MIN MAX
Weighing mode •
••
•0.000 0 0
1. Enter target weight with
numeric keys. (Ex.1.000 lb.)
[1] [0] [0] [0] •
••
•1.000 0 0
2. Press % key.
(input memory is 1.0 lb.)
[%]
•
••
•P 0 0 0
3. Select minimum weight %
using numeric keys
[1] [2] •
••
•P 12 0 0
4. Press MIN key to set the
minimum value.
[MIN]
•
••
•P 12 0.880 0
5. Select maximum weight %
using numeric keys
[5]
•
••
•P 5 0.880 0
6. Press MAX key to set the
maximum value.
[MAX]
•
••
•P 5 0.880 1.050
7. Press % key.
(input memory is 1.0 lb.)
[%] •
••
•0.000 0.880 1.050
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5.6.4. Programming Of Minimum And Maximum Range By Weighing Target Weight
Indicators 1 : 2 : NET 3 : Îgh
INDICATORS DISPLAYTASK OPERATION
1 2 3 WEIGHT MIN MAX
Weighing mode •
••
•0.000 0 0
1. Place target weight on the
platter. (Ex. The target weight is
0.620 lb.)
•
••
•0.000 0 0
2. Press % key. [%]
•
••
•P 0 0 0
3. Press minimum weight percent
by using numeric keys. ( Ex.
10%)
[1] [0] •
••
•P 10 0 0
4. Press MIN key to set the
minimum value. (Ex. 0.620 x
(100% - 10%) = 0.558)
[MIN]
•
••
•P 10 0.558 0
5. Press maximum weight
percent by using the numeric
keys. (Ex. 15%)
[1] [5] •
••
•P 15 0.558 0
6. Press MAX key to the
maximum value. (Ex. 0.620 x
(100% + 15%) = 0.713)
[MAX]
•
••
•P 15 0.558 0.713
7. Press % key to enter weighing
mode.
•
••
•0.000 0.558 0.713
5.7. Check Weighing Operation
5.7.1. Using full container
Indicators 1 : 2 : NET 3 : Îgh
INDICATORS DISPLAYTASK OPERATION
1 2 3 WEIGHT MIN MAX
Weighing mode. (from previous
step)
•
••
•0.000 0.558 0.713
1. Place full container on scale 1.595 0.558 0.713
2. Enter tare weight with numeric
keys. (Ex. Tare 0.900 lb.)
[9] [0] [0] as
shown in 5.3.1.
•
••
•0.900 0.558 0.713
3. Subtract tare weight. [T] as shown in
5.3.1.
•
••
•0.695 0.558 0.713
3. If weight is within the target range
the set points will operate as
shown on page 19.
•
••
•0.695 0.558 0.713
4. Once weight has been
checked remove container of
parts.
•
••
•0.000 0.558 0.713
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5.7. Check Weighing Operation (continued)
5.7.2. When filling a container
Indicators 1 : 2 : NET 3 : Îgh
INDICATORS DISPLAYTASK OPERATION
1 2 3 WEIGHT MIN MAX
Weighing mode. (from 5.4.4. min
& max programming)
•
••
•0.000 0.558 0.713
1. Place empty container on
scale
0.500 0.558 0.713
2. Press tare key. as shown in
5.3.2.
•
••
••
••
•0.000 0.558 0.713
3. Place parts in container, when
weight is within the target range the
set points will operate as shown
below.
•
••
•0.695 0.558 0.713
4. Once weight has been
checked remove container of
parts.
•
••
••
••
•0.000 0.558 0.713
Set points alert the operator both auditory and visually if weight is within the target range.
The graduation of LED is determined by dividing the target range by 5 (Max weight – Min weight /5)
This LED is lit as the low min. This LED is lit as the min. acceptance range This LED is lit as the high max.
5.8. Clearing Min & Max Range
Indicators 1 : 2 : NET 3 : Îgh
INDICATORS DISPLAYTASK OPERATION
1 2 3 WEIGHT MIN MAX
Weighing mode •
••
•0.000 0.558 0.713
1. Press minimum key [MIN] •
••
•0.000 0 0.713
2. Press maximum key [MAX] •
••
•0.000 0 0
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6.0. RS-232
6.0.1. Communication Specs
BAUD RATE 1200 / 2400 / 4800 / 9600
START BIT 1 BIT
STOP BIT 1 / 2 BIT
DATA BIT 7 / 8 BIT
PARITY BIT EVEN / ODD / NONE
6.0.2. Text Command
CR The end of data 0DHTermination code
LF The end of text 0AH
0 - 9 Numeric data (30H – 39H)
Period Period (2EH)
Data
Comma Comma (2CH)
: Gross weight (3AH)
0 Net weight (30H)
Header code
4 Tare weight (34H)
B Set –point status (42H)
SOH Weight stable (01H)
Weight stable
NUL Weight unstable (00H)
6.1.3. PIN ASSIGNMENT
PIN NO. SIGNAL
1 SP1
2 S GND
3 SP2
4 RXD
5 TXD
6 CTS
7 RTS
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6.1.4. COMMUNICATION METHOD
By specification setting (Spec 59 bit 2 & 3), the communication method may be
selected from Stream (continuous output), Manual (output by pressing [½
½½
½] key,
and Command (output by command from external device).
6.1.4.1. STREAM
Data is transmitted to external device continuously.
DATA STREAM:
The SPEC to select whether weight stable status or not by specification setting
(Spec 53 bit 3).
Example: without stable flag
STX Header Gross Weight CR Header Net Weight CR
1 1 5 1 1 5 1
Header Tare Weight CR Header Set-point Status CR LF
1 5 1 1 2 1 1
Example: with stable flag
STX Stable Header Gross Weight CR Header Net Weight CR
1 1 1 5 1 1 5 1
Header Tare Weight CR Header Set-point Status CR LF
1 5 1 1 2 1 1
Weight Stable Status:
Status Data
Stable SOH (01 H)
Un-stable NUL (00 H)
Set-point status
Status Data
Set-point is not programmed B 1 1
Weight < Set-point 1 B 1 1
Set-point 1 < Weight <Set-point B 0 1
Set-point 2 < Weight B 0 0
The Data is transmitted when the machine is in operation mode. While entering
numeric data, the transmission would be stopped.
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6.1.4.2. MANUAL
Data is output by pressing [½
½½
½] key. User may select to transmit the data right away
or to hold the command until weight becomes stable (from Spec 59 bit 1). If weight
is not back to stable within a certain interval (from Spec 59 bit 0), TIME OUT ERROR
will appear on the display. The two communication methods may be selected in this
mode.
6.1.4.2.1. MANUAL (METHOD 1)
DATA FORMAT:
Example: By pressing [½
½½
½] key.
STX Header Gross Weight CR Header Net Weight CR
1 1 5 1 1 5 1
Header Tare Weight CR Header Set-point Status CR LF
1 5 1 1 2 1 1
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6.1.4.2.2. MANUAL (METHOD 2)
The data text can be selected without headers or with headers (by setting Spec 56
bit 3)
DATA FORMAT:
Example: Without header codes
Gross Weight CR Net Weight CR Tare
Weight
CR LF
5 1 5 1 5 1 1
Example: With header codes
STX Header Gross Weight CR Header Net Weight CR
1 1 5 1 1 5 1
Header Tare Weight CR Header Set-point Status CR LF
1 5 1 1 2 1 1
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