The SV Series of scanner/verifiers by RJS provides both fixed position
scanning and high-speed on-line ANSI method verification of linear bar
codes. This unique instrument can be used for many types of bar code
scanning and/or verifying applications.
The SV Series assures that bar code print
quality is at an acceptable level. It checks to make sure the print
mechanism has not failed or gone out of adjustment during operation. It
even makes sure that the correct data is encoded and that the encoded data
is in the proper format.
The SV Series analyzes and reports virtually
every verification parameter known. ANSI and Traditional print quality
parameters are transmitted along with decoded data. The reported symbol quality
parameters ensure the print method or complete bar code process is optimized.
This is important for ISO corrective action procedures, label manufacturing and
printing, tracking systems, ink jet applications and more.
The SV SERIES of SCANNER/VERIFIERS
are FIXED POSITION SCANNERS
The SV Series can operate as a fixed position
scanner. But, since it also provides diagnostic bar code quality information, it
can reduce system downtime and save material costs. It does this by isolating
the source of the problem. Once the source of the problem is found, it can be
corrected before non-readable bar codes are printed and material is wasted.
The diagnostic capability is also useful when
installing the scanner or after a conveyor or printer maintenance cycle. The
available print quality information gives an indication of first time read
rates, optimal scanner alignment, optimal conveyor speed and optimal printer
settings and adjustments. In short, everything that is needed to ensure proper
set-up of a system.
EASY SETUP / FLEXIBLE INTERFACE
The SV Series uses a serial
port to interface with RJS ScanVision, a PC based software package used
for set-up and monitoring. Use ScanVision for SV setup while the
scanner/verifier is off line and/or use it for real-time bar code quality
analysis while the scanner/verifier is operating. The unit also
incorporates Model SV download language for setup without RJS ScanVision.
Five hardware outputs are available via an
I/O-Power port for logic operation such as No Read, Poor Quality, Good
Quality or Good Read status. Two synchronization inputs are also available
for robust No Read evaluations. Two LED’s are available for status
indications.
The serial port can also be used without
ScanVision to provide decoded data and/or bar code analysis information to
a host system.
RJS MODEL SV SERIES SYSTEM
DESCRIPTION and TECHNICAL DATA
SV Series Model Specifications*
SV100
SV100HD
SV100C
SV200-1
SV200-2
Analyses/sec
100
100
100
200
200
Beam Width
6" (152mm)
4.5" (114mm)
10.5" (267mm)
2.5" (63.5mm)
1.75" (44mm)
Focus
Distance
8" (203 mm)
6" (152mm)
15" (381mm)
8" (203mm)
6" (152mm)
X dim (min)
.0067" (.17mm)
.005" (.127mm)
.013" (.33mm)
.0067" (.17mm)
.005" (.127mm)
* Contact Barcode-Store Technical Support for information on custom
and other models
Accessories and Options
Universal Power Supply Unit, RJS ScanVision
Software, Female DB-9 to Female DB-9 Communication Cable (6 ft. (1.8 M) length),
Calibration Symbol, Mounting Stand, Rastering Scan Line, Interface Kits for
Zebra and Sato Printers (contact Barcode-Store for additional printer types), Power
Supply/Sensor/Output Cable.
Data and Quality Parameters Available**
Decoded Data, All Symbol Characters, Modulo Check
Digit Analysis, Symbology Type, ANSI Method Overall Symbol Grade, ANSI Method
Parameter Grades, (Reference Decode, Decodability, Modulation, Symbol Contrast,
Rmin/Rmax, Defects, Min. Edge Contrast and Global Threshold), Average Bar
Deviation, Ratio (if applicable), PCS, Element Reflectance (min. and max.),
Quiet Zone Analysis, X Dimension, Inter-Character Gap (if applicable), No Read
Flag, % decode, Partial Read Analysis, Pass/Fail Flag, Data Match (up to ten
(10) fields), Increment/Decrement (base 10 and base 36).
**
Note:
1. All reflectance parameters require calibration, fixed scanning distance and
fixed angle of scan
2. X dimension requires fixed scanning distance
Symbologies
USS Code 39, USS Code 128, USS Code 93, USS
Codabar,
USS Interleaved 2 of 5, UPC / EAN including 2 and 5 digit supplemental codes
(Contact Barcode-Store for special symbology applications.)
Scanning Performance
Depth of Field – Mount at specified focus
distance for most accurate verification operation.
Ladder or Picket Fence Bar Codes
Up to four (4) bar codes across
Operation Modes
Sync (edge and envelope), Freescan and
ScanVision off line modes can be enabled
Physical
Package: 4.4" (112 mm) x 2.4" (61 mm)
x 5.2" (132 mm)
Indications: Five (5) LED’s – Power/Sync, Calibration, Read, two (2)
programmable LED’s
Comm Port: DB-9 male, RS 232C, programmable baud rate up to 115200 baud
I/O-Power: DB-15 male, five (5) programmable outputs, two (2) sync inputs
+5VDC @ 1 amp required
Mounting: Two (2) sets of mounting holes on two (2) different surfaces or a
clamp for tightening to a 3/8" (9.5 mm) rod.
Statement of Compliance
The RJS Series of Scanner/Verifiers gathers
data per the ANSI/ISO method of verification to perform practically all the
industry standard bar code quality parameter calculations. These include all
ANSI/ISO method parameters, PCS, ratio, X dimension calculation, modulo check
digit calculations, average bar deviation, etc.
Reflectance Compliance – 660 nm wavelength (red) light The reflectance values embedded in the
calibration symbol supplied with each SV unit are traceable to Applied Image
Primary Verification Calibrated Standard per ANSI X3.182 Step Reflectance Chart
(see note 2.) Applied Image certified Calibration Standards are manufactured to
Applied Image, Inc. and Uniform Code Council, Inc. specifications, using ANSI
X3.182-1990 methodology, and are calibrated using standards traceable to the
National Institute of Standards and Technology (N.I.S.T.)
ANSI/ISO Method Compliance The RJS SV Series gathers data and performs all
ANSI/ISO method parameter calculations per the ISO/IEC 15416 and ANSI
X3.182-1990 methodologies with a few exceptions. The exceptions are related to
the instrument’s design and mission. The design incorporates a proprietary
analog laser scanner that can be assembled with various focus lengths to produce
different beam sizes. The mission is to not only analyze bar code quality, but
also to detect any printer failures, process failures or media problems. For
maximum performance, a fixed mounting distance and angle are required. A beam
spot size able to detect errors of the particular print method is highly
recommended. This beam spot size may or may not correspond to the
recommendations in various specifications that it be related to the X dimension
of a particular symbol, but instead correspond to the printer’s resolution or
some other parameter(s) critical in the application. A major philosophy of an
on-line verification system is; if the printer and/or process is operating
correctly and the media has proper reflectance properties, the best print
quality for that particular print method and material is achieved by definition.
Notes
1.
The SV
Series can be calibrated to practically any reflectance standard. Internal high
and low calibration reflectance normalization settings are user programmable via
commands.
2.
Final system tests are performed at the
proper focus distance and at an angle of 22 degrees. Units with common focus
distances are checked to yield analysis results within +/- 4 % of all target
values.
3. SV models with an 8 inch focus
distance have a spot size that gathers light very similar to a 6 mil round
aperture. For these models, final test includes analyzing UPC symbols on the
Calibrated Conformance Standard Test Card for EAN/UPC Symbol Verifiers. Results
are checked to be within +/- 4% of the marked values on the test card. SV100 and
SV200-1 are examples of models with a focus distance of 8 inches.
Exceptions to the ANSI/ISO method
1.
The
Defects calculation does not include the quiet zone area. A separate quiet zone
check is implemented to easier isolate print problems vs. setup problems in an
on-line environment.
2.
A
laser spot is used instead of a round aperture. The spot size is dependent on
the focus distance of the unit’s optical system.
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