Allen-Bradley 2755 Manual do Utilizador

ALLEN-BRADLEYA–BSingle/Dual-HeadEnhanced Bar Code Decoders(Catalog No. 2755-DS1A,-DS4A,-DD1A,-DD4A)Series BProduct DataOverview. The Enhanced Bar Cod

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data10Select CRT (Terminal) Type ScreenFrom this screen, you select the type of termin

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data11Configure SymbologyOption 1 on the Select Operation menu accesses the Symbologyc

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data12Discrete I/O ConditionsThe Primary Match Code Counters and Outputs are triggered

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data13Extended Match Table and CountersYou can use the screen illustrated that follows

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data14AUX and LCD Display ParametersThe decoder can display the following on an auxili

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data15Host Message Replacement RulesFunction 5 on the Select Operation menu accesses t

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data16MetacharactersThe decoder provides a complete set of special purpose characters

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data17Table 3Search Pattern Metacharacters – Logical Operators and Other Special Funct

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data18Table 4Replacement String MetacharactersCharacter Description and Use\n The bac

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data19Examples of Host Message Replacement RulesExample 1: Sorting the Host Message C

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data2This section describes features of the Single and Dual-Head Bar Code Decoders inc

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data20Example 3: Sorting by SymbologyBy setting up specific rules to check for symbol

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data21Example 5: Sorting Symbols by Data IdentifiersParameter Rule #1 Value Rule #2 V

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data22Example 6: Sorting by Unique Characters and/or StringsParameter Rule #1 ValueSo

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data23Example 8: Stripping Unwanted CharactersParameter Rule #1 ValueSource A|BSymbol

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data24Host Message FormatFunction 6 on the Select Operation menu accesses the Host Mes

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data25Figure 3Bar Code Host Message FormatASCII BAR CODE DATA11. End Message (0 to 3)1

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data26Host CommunicationsFunction 7 on the Select Operation menu accesses the Host Com

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data27Display Status and Primary CountersThe Display Status and Primary Counters funct

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data28The decoder also supports a set of host commands for configuring thedecoder, mon

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data29Small Logic Controller (SLC)Figure 4 shows how the decoder connects to an SLC 50

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data3Scanner PortsThe Dual-Head Decoder has two scanner ports, labeled Scanner A andSc

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data30Figure 5PLC Controller ConfigurationsCatalog No. 1771-DB BASIC I/O Module➀PLC Pr

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data31Figure 6 shows mounting dimensions in inches (and mm) for the NEMAType 1 and NEM

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data32This section lists accessories available for the Single and Dual-Head BarCode De

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data33Cable Selector GuideSCANNERL4 / L5LD4 / LD8L7 / L9G3 / G6LD1 / LD2NEMATYPE 1DECO

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data34Laser Diode Scanner Adapter (for use with NEMA Type 1 decoders only)Catalog No.P

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data35Input Modules (require voltage source for activation)Catalog Number 2755-IB5S275

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data36The Single and Dual-Head Decoders are available in different configurations.To o

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data37Decoder options can also be ordered separately for customer installation.Options

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data38ElectricalInput Line Voltage 85 (Min) to 264 (Max) VAC100 to 240 VAC NominalInpu

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data39Scanner PortsScanner Ports A and BConnector (NEMA Type 1) 15-pin (female) submin

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data4Power SupplyAn internal power supply provides power to the scanners and the decod

Publication 2755-2.43 – September, 1993Supersedes Publication 2755-2.43 – March, 1992 Copyright 1993 Allen-Bradley Company, Inc. Printed in USA PLC

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data5AUX PortThe AUX port communicates with a standard ASCII terminal using theRS-232

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data6Discrete I/O ModulesThe decoders support an optional I/O Module Board (eight posi

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data7The decoder acquires and decodes bar code data from one or two scanners.The decod

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data8Decode ModesThe Single and Dual-Head Decoders have three decode modes:• Continuou

Bulletin 2755Single/Dual-Head Enhanced Bar Code DecodersProduct Data9 At End of TriggerThis response mode sends decoded data to the discrete I/O and h