Pepperl+Fuchs VB8-305 User manual

MANUAL
FACTORY AUTOMATION
BARCODE SCANNER
VB8-305

With regard to the supply of products, the current issue of the following document is applicable:
The General Terms of Delivery for Products and Services of the Electrical Industry, published by
the Central Association of the "Elektrotechnik und Elektroindustrie (ZVEI) e.V.
in their most recent version as well as the supplementary clause: "Extended reservation of title".
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VB8-305

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CONTENTS
1
INTRODUCTION .......................................................................................... 1
1.1 Status Indicators ........................................................................................... 2
1.2 Available Models........................................................................................... 3
2
2.1
2.1.1
2.1.2
2.2
3 SOFTWARE CONFIGURATION STRINGS ............................................... 20
3.1 Default Configuration .................................................................................. 20
3.2
Command Syntax ....................................................................................... 23
4 REFERENCES ........................................................................................... 34
4.1 RS232 Parameters ..................................................................................... 34
4.1.1 Handshaking............................................................................................... 34
4.1.2 ACK/NACK from Host Protocol ................................................................... 35
4.1.3 FIFO............................................................................................................ 35
4.1.4 RX Timeout................................................................................................. 35
4.2 Pen Parameters .......................................................................................... 36
4.2.1 Minimum Output Pulse................................................................................ 36
4.2.2 Overflow...................................................................................................... 36
4.2.3 Output and Idle Levels ................................................................................ 37
4.2.4 Inter-Block Delay......................................................................................... 37
VB8 Configuration....................................................................................... 22
INSTALLATION............................................................................................ 4
VB8-305-5 VDC CCD Scanner .................................................................... 4
Mechanical Installation.................................................................................. 4
Electrical Connections................................................................................... 5
RS232 Interface ............................................................................................ 6
WEDGE Interface ......................................................................................... 6
PEN Emulation Interface............................................................................... 7
Inputs ............................................................................................................ 7
Outputs ......................................................................................................... 8
External Beeper Connection ......................................................................... 9
VB8- 305 (10 to 30 VDC) CCD Scanner ..................................................... 10
RS232 Interface ........................................................................................... 11
Inputs ........................................................................................................... 12
Outputs ........................................................................................................ 13
External Beeper Connection ........................................................................ 14
Positioning ................................................................................................... 16
DeviationMirror-VB8 Accessory................................................................... 17
2.3
2.4
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4.3
Data Format................................................................................................ 38
4.3.1 Header/Terminator Selection ...................................................................... 38
4.4 Power Save................................................................................................. 41
4.4.1 Sleep State ................................................................................................. 41
4.4.2 Enter Sleep Timeout ................................................................................... 41
4.4.3 Standby....................................................................................................... 41
4.5 Reading Parameters ................................................................................... 41
4.5.1 Operating Modes ........................................................................................ 41
4.5.2 Reads per Cycle ......................................................................................... 43
4.6 Decoding Parameters ................................................................................. 43
4.6.1 Ink-Spread .................................................................................................. 43
4.6.2 Overflow Control ......................................................................................... 43
4.6.3 Interdigit Control.......................................................................................... 43
5 TECHNICAL FEATURES ........................................................................... 44
Reading Diagrams ...................................................................................... 45
A CODE IDENTIFIER TABLE........................................................................ 47
B HEX/NUMERIC TABLE .............................................................................. 48
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1 INTRODUCTION
It contains a built-in decoder and multi-standard interface. Due to its well-balanced
mix of technical characteristics it is perfect for integration into custom equipment,
setting a new standard in this product class.
This Reference Manual provides connection diagrams, default parameter listing,
complete application parameter settings, specific technical features and reading
diagrams.
Configuration for RS232 Interface User's
installed from the CD included with this manual. It provides a user-friendly graphic
configuration parameters.
These strings must be sent via the RS232 interface using a terminal emulator such
as HyperTerminal, or with the WinHost Terminal. Configurations can also be sent as
batch files.
Refer to paragraph 3.2 for configuration procedures.
Configuration for Wedge Interface User's
For Wedge Interface User's, configuration can be accomplished either by reading the
Return to RS232 Interface barcode and then configuring through the RS232
Interface, or by printing the command strings as a barcode label (or labels) and then
Reference notes describing the operation of the more complex parameters are given
in chapter 4.
The VB8 compact CCD reader is the perfect solution for many OEM applications.
interface that sends the command strings to the VB8 and Help On-Line to explain
This manual contains the complete set of command strings for VB8 configuration.
reading them with the VB8. The symbology must be Code 128 subset B.
The easiest way to configure VB8 is by using the Configurations utility program
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Introduction

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1.1 STATUS INDICATORS
The reader has two LED indicators signaling several operating conditions which are
described in the tables below.
Led2 Led1
POWER UP
POWER ON / LED2 Meaning
ON Power supply ON
OFF Power supply OFF
DATA ENTRY
GOOD READ / LED1 Meaning
ON Good read (LED1 will remain ON until status changes)
OFF Miss read
VB8 Scanner VB8 Scan Engine
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Introduction

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1.2 AVAILABLE MODELS
characteristics:
• Barcode type
• Enclosure
The following models are therefore available:
The VB8 reader is available in models that differ in regard to the following
Model1: VB8-305 = CCD Scanner for linear codes (10 to 30 VDC Power-supply)
•
Model2: VB8-305-5 V = CCD Scanner for linear codes (5 VDC Power-supply)
•
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Introduction

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2 INSTALLATION
2.1
2.1.1 Mechanical Installation
The diagram below gives the overall dimensions of the reader and may be used for
its installation.
54
[2.13]
7.6
[0.30]
30.5
[1.20]
31.6
[1.25]
24
[0.94]
9.5
[0.37]
10.4
[0.41]
70.7
[2.78]
68.6
[2.70]
mm
[in.]
17.7
[0.70]
Optical Axis
Figure 1 - Overall dimensions
VB8 CCD SCANNER
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Figure 2 - 25-pin female D-sub connector
25-pin Connector
1 Shield earth ground
2 TX transmit data
3 RX receive data
4 RTS request to send
5 CTS clear to send
6 nc not connected
7 SGND signal ground
8 EXT BEEPER beeper output signal
9 VCC+ +5 Vdc
10 nc not connected
11 OUT+
12 OUT- see Figure 10
13 VCC+ +5 Vdc
14 nc not connected
15 nc not connected
16 nc not connected
17 nc not connected
18 EXT TRIG+
19 EXT TRIG- See Figures 6 to 9
20 DATAIN_WAND
21 DATAOUT
22 OUT-
23 CLKIN
24 CLKOUT
25 GND power ground
Table 1 - VB8 Scanner Pinout
2.1.2 Electrical Connections VB8-305-5VDC
The VB8 Scanner is equipped with a 25-pin female D-Sub connector for connection
to the power supply and input/output signals. The details of the connector pins are
indicated in the following table:
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RS232 Interface
The VB8 Scanner can communicate with the Host using the RS232 signals
provided on the 25-pin connector. The pins are indicated in Table 1 and in the
following diagram:
It is always advisable to use shielded cables. The overall maximum cable length
must be less than 15 m (49.2 ft).
7
4
5
3
SGND
RTS
CTS
RX
TX
2
Host
SGND
DCD
DTR
TXD
RXD
Earth
Ground
Figure 3 - RS232 Interface connection to Host
WEDGE Interface
The VB8 Scanner can communicate with the Host in a WEDGE Interface
are indicated in Table 1 and in the following diagram:
20 DATAIN
24 CLKOUT
21 DATAOUT
25 GND
VCC+
13
Host
23 CLKIN
Keyboard
GND
VCC+
CLK
DATA
DATA
CLK
GND
VCC+
Figure 4 - Wedge Interface connection to Host (PC AT) and Keyboard
VB8 25-pin
(Keyboard Emulation) using the signals provided on the 25-pin connector. The pins
VB8 25-pin
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PEN Emulation Interface
The VB8 Scanner can communicate with the Host in a PEN Emulation Interface
using the signals provided on the 25-pin connector. The pins are indicated in Table 1
and in the following diagram:
VB8 25-pin
25
4
5
GND
WAND
VCC+
Host
GND
DATA
VCC+
Earth
Ground
Figure 5 - RS232 Interface connection to Host
It is always advisable to use shielded cables.
Inputs
There is an input available on the VB8 Scanner relative to the External Trigger.
The pins are indicated in Table 1. These inputs are optocoupled and can be driven
by both an NPN or PNP type command. The connections are indicated in the
following diagrams:
EXT TRIG+
18
19
+ 5V
VB8 EXTERNAL TRIGGER
Signal
V
30 Vdc max.
Vext
EXT TRIG-
Figure 6 - Input NPN command using external power
18
19
+ 5V
EXTERNAL TRIGGER
30 Vdc max.
Vext
V
Signal
Ground
EXT TRIG+
EXT TRIG-
Figure 7 - Input PNP command using external power
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EXTERNAL TRIGGER
Signal
18
19
+ 5V
13
25 GND Ground
V
EXT TRIG+
EXT TRIG-
Vcc 5Vdc
VB8
18
19
+ 5V
Vcc 5Vdc
13
25 GND Ground
V
Signal
EXT TRIG+
EXT TRIG-
Figure 9 - Input PNP command using VB8 power
Outputs
There is an output available on the VB8 Scanner relative to the Good Read
event. The pins are indicated in Table 1. The connections are indicated in the
following diagram:
USER INTERFACE
Vext 40 Vdc max
OUT +
11
12
OUT -
VB8
Figure 10 - Output connection (Good Read). Example NPN
VB8
EXTERNAL TRIGGER
Figue 8 - Input NPN command using VB8 power
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External Beeper Connection
A beeper output signal is provided on pin 8 so that an external piezoelectric buzzer
with internal oscillator can be connected for Good Read acoustic signaling. The
complete circuit to be built is shown in the schematic diagram below.
+
+5 Vdc (pin 13)+5 Vdc (pin 13)
R2 (10K)
R1 (1K)
Q1 (BC337)
BZ1 (see below)
D1 (1N4148)
GND (pin 25)
BEEPER (pin 8)
Figure 11 - VB8 Scanner Beeper Connection
The following list indicates several piezoelectric buzzers that can be used in the
circuitry above (part BZ1).
Manufacturer Type
MURATA PKB30SPC - 2001/3001
DIGISOUND F/TCW05
CITIZEN MEB-12C-5
BUJEON BS12-A
See chapter 3 for Beeper Control commands.
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Figure 2 - 25-pin female D-sub connector
25-pin Connector
9, 13 VCC+ Power Supply Input Voltage +
25 GND
1SHIELD
2, 21 TX
3, 20 RX
4RTS
5CTS
7
11 OUT +
10,12, 22 OUT- Output -
18 EXT TRIG + External Trigger +
19 EXT TRIG - External Trigger -
6, 8, 14, 15,N.C.
16, 17, 23 N.C Not Connected
24 N.C. Not Connected
Table 1 - VB8 Scanner Pinout
2.2Electrical Connections VB8-305 (10 to 30 VDC)
The scanner cable is equipped with a 25-pin female D-sub connector for connection
with the power supply and input/output signals:
Power Supply Input Voltage -
Earth Ground
RS232 Transmit Data
RS232 Receive Data
RS232 Request To Send
RS232 Clear To Send
SGND Signal Ground
Output +
Not Connected
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RS232 Interface
The VB8 Scanner can communicate with the Host using the RS232 signals
provided on the 25-pin connector. The pins are indicated in Table 1 and in the
following diagram:
It is always advisable to use shielded cables. The overall maximum cable length
must be less than 15 m (49.2 ft).
7
4
5
3
SGND
RTS
CTS
RX
TX
2
Host
SGND
DCD
DTR
TXD
RXD
Earth
Ground
Figure 3 - RS232 Interface connection to Host
VB8 25-pin
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Inputs
There is an input available on the VB8 Scanner relative to the External Trigger.
The pins are indicated in Table 1. These inputs are optocoupled and can be driven
by both an NPN or PNP type command. The connections are indicated in the
following diagrams:
EXT TRIG+
18
19
+ 5V
VB8 EXTERNAL TRIGGER
Signal
V
30 Vdc max.
Vext
EXT TRIG-
Figure 6 - Input NPN command using external power
18
19
+ 5V
EXTERNAL TRIGGER
30 Vdc max.
Vext
V
Signal
Ground
EXT TRIG+
EXT TRIG-
Figure 7 - Input PNP command using external power
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EXTERNAL TRIGGER
Signal
18
19
+ 5V
13
25 GND Ground
V
EXT TRIG+
EXT TRIG-
Vcc 5Vdc
VB8
18
19
+ 5V
Vcc 5Vdc
13
25 GND Ground
V
Signal
EXT TRIG+
EXT TRIG-
Figure 9 - Input PNP command using VB8 power
Outputs
There is an output available on the VB8 Scanner relative to the Good Read
event. The pins are indicated in Table 1. The connections are indicated in the
following diagram:
USER INTERFACE
Vext 40 Vdc max
OUT +
11
12
OUT -
VB8
Figure 10 - Output connection (Good Read). Example NPN
VB8
EXTERNAL TRIGGER
Figue 8 - Input NPN command using VB8 power
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2.3 POSITIONING
The VB8 scanner is able to decode barcode labels at a variety of angles,
however significant angular distortion may degrade reading performance.
angles: Pitch 0°, Skew 10° to 30° and Tilt 0°. Follow the suggestions for the best
orientation:
The Pitch angle is represented by the value Pin Figure 23. Position the reader in
order to minimize the Pitch angle.
Figure 23 - Pitch Angle
The Skew angle is represented by the value Sin Figure 24. Position the reader to
assure at least 10° for the Skew angle. This avoids direct light reflection.
Figure 24 - Skew angle
P
S
When mounting the VB8 take into consideration these three ideal label position
Date of issue 12/2005 Part No. 193603
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Installation