Allen-Bradley 2755-DD1A Скачать руководство пользователя страница 27 | Manualshive

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Bulletin 2755
Single/Dual-Head Enhanced Bar Code Decoders

Product Data

27

Display Status and Primary Counters

The Display Status and Primary Counters function on the Select
Operation menu allows you to monitor system status and counters
maintained by the decoder.

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Содержание 2755-DD1A

Страница 1: ...A have one scanner port while the dual head decoders Catalog No 2755 DD1A or DD4A have two Plus each decoder is available in a NEMA Type 1 or Type 4 enclosure Other options available for each decoder...

Страница 2: ...sure All connections on the NEMA Type 4 enclosure comply with NEMA 4 standards Although the installation differs for each they have the same features and operate identically Figure 1 NEMA Type 1 Versi...

Страница 3: ...6 gun adapter The scanners on the Dual Head Decoders can operate in two modes Coordinated Mode Coordinated 1 and Coordinated 2 Scanners A and B operate in a coordinated mode each using the same trigge...

Страница 4: ...source Trigger Active A Yellow Lights when the decoder is in triggered mode and scanning has been triggered Valid Read A Green Lights when a valid read occurs from Scanner A Laser On B Red Lights when...

Страница 5: ...ar code data output counters and decoder status The decoder features an AUX Terminal jumper on the main logic board to switch between configuration and manual data entry operations Another way to swit...

Страница 6: ...out of the box applications Each option is listed under the Accessories sections Memory Backup The decoders are designed to retain configuration during short term power interruptions Controlled disch...

Страница 7: ...ding optional 2 or 5 digit supplements EAN 8 and EAN 13 including optional 2 or 5 digit supplements Code 128 Codabar Interleaved 2 of 5 PharmaCode Available in DS1P DS4P DD1P or DD4P decoders Other sy...

Страница 8: ...initiate decoding Host Command The trigger source is a command generated by a host computer or programmable controller Package Detect The trigger source is a package detector connected to the scanner...

Страница 9: ...ritical The decoder has built in menus and screens for configuration and monitoring operations You access these menus by connecting one of several standard ASCII terminals to the AUX port of the decod...

Страница 10: ...ype Screen From this screen you select the type of terminal connected to the decoder Select Operation Menu The Select Operation screen is the main menu From this screen you select the operation you wa...

Страница 11: ...2 of 5 symbols The decoder will auto discriminate between multiple symbologies For optimum performance enable only those symbologies and code lengths you intend to use Scanner Control Primary Match Ta...

Страница 12: ...Allows the scanned data from the first package read to be automatically entered into the match code table Subsequent matches to the original data will activate outputs S Autoload Input Allows an oper...

Страница 13: ...n from which they are controlled the primary counters appear on a separate Status and Primary Counters screen Extended Match Codes can activate multiple outputs the duration of which are defined in th...

Страница 14: ...terminal or an optional 2 line x 20 character per line alphanumeric LCD display to monitor bar code data output counters decoder performance values host messages The AUX terminal and LCD display can e...

Страница 15: ...ring on the left The string that appears in the host message after application of the displayed rule appears on the right If your test string does not create a match you will be notified of that fact...

Страница 16: ...cters expressions or strings must occur at the beginning of the string to be matched Note that the circumflex has a special meaning if used within square brackets as explained elsewhere in this chapte...

Страница 17: ...ions Parentheses must be used in pairs Examples AB The plus sign applies to the expression AB Strings that would match this expression include AB ABAB 123AB and AB123 Parentheses can also be used to i...

Страница 18: ...r Host Message 123ABCABC The search pattern above matches the incoming string The Replace Entire String With value states that the string identified within the first parentheses 123ABC plus the string...

Страница 19: ...appear first and the data from Scanner B second Appropriate No Read messages may be selected for each scanner by using the No Read Replacement Rules Example 2 Identifying the Source of Data Parameter...

Страница 20: ...r package will be read The symbols are sent to the host with the Code 128 symbol first or its No read Replacement Message This technique may be useful in applications where these two symbologies are u...

Страница 21: ...rs to identify specific data within a group of symbols These characters are embedded into the encoded Bar Code symbol Although not always printed in the human readable text they appear as the first ch...

Страница 22: ...uld be ignored by this rule Values between 62 and 99 are sent to the host Note the and are required to avoid matching strings such as 562 or 758 that do contain the desired string data 62 and 75 but a...

Страница 23: ...data is sent to the host This technique can be useful in obtaining maximum throughput as it helps minimize communication and host program sorting time Example 9 Substituting Characters Within a Strin...

Страница 24: ...een defined for that field No Read Replacement Strings If Host Replacement Rules are active these strings will be substituted for the bar code data whenever a rule fails or a no read occurs This allow...

Страница 25: ...aracters will be sent for each field read Codabar Stop Character follows Codabar Check Characters if sent The results of the Host Replacement Rules or the No Read Replacement Strings if enabled will b...

Страница 26: ...n must be saved and decoder restarted for changes in this section to take effect Also defines trigger characters buffer size and when message will be sent to the host AUX Terminal Data Entry Function...

Страница 27: ...Enhanced Bar Code Decoders Product Data 27 Display Status and Primary Counters The Display Status and Primary Counters function on the Select Operation menu allows you to monitor system status and cou...

Страница 28: ...r manually via the configuration screens The decoder can also communicate directly with a host computer PLC or SLC controller in a control or data collection application The decoder communicates with...

Страница 29: ...irectly to other host computers using the RS 232 or RS 422 interface of the host device or can be multidropped through a 1784 KR module using the DH485 interface Figure 4 SLC and Host Computer Configu...

Страница 30: ...erface Module with 2760 SFC1 or SFC2 Protocol Cartridge Point to Point Link using Flexible Interface Module RS 232 RS 422 or DH485 point to point 1771 1 O Rack 1 2 31 1 2 31 31 2 1 2755 DD1A 4A Decode...

Страница 31: ...ically When mounting Allow a clearance of 6 inches 152 mm above the decoder to connect cables to the scanner ports and communication ports Allow a clearance of 6 inches 152 mm below the decoder to wir...

Страница 32: ...cond with read distances up to 50 inches 1 27 meters depending upon symbol size and quality Scanners read case code symbols on Kraft paper cardboard boxes 2755 CL10 10 foot 3 05 meters Scan Head Cable...

Страница 33: ...5 C40D4 10 ft 3 05 m 2755 CL10 N MA 25 ft 7 62 m 2755 CL25 III NEMA 1 to L7 L9 Scanner Cable 40 ft 12 19 m 2755 CL40 50 ft 15 24 m 2755 CL50 10 ft 3 05 m 2755 CN10 N MA 25 ft 7 62 m 2755 CN25 IV NEMA...

Страница 34: ...operating margin Includes mounting brackets for single hole or flat surface mounting Communication Cable and Connector Kit A cable and connector kit is available for the AUX and HOST ports of the NEM...

Страница 35: ...nput Resistance 1 k ohm Maximum Input Current 32mA DC 32VDC 10mA RMS 140V RMS 8mA RMS 280V RMS Drop Out Current 1 0 mA DC 2 5 mA RMS 1 5 mA RMS Allowable Off State Input Current 1 0 mA DC 3 0 mA RMS 2...

Страница 36: ...NEMA Type 4 Connector Cables B6 I O Board 2 NEMA Type 4 Connectors Cables B7 I O Board 3 modules U No Manual Included Power Cords Device Type Scan Heads Enclosure Type Functions Discrete I O Options M...

Страница 37: ...nd comply with NEMA Type 4 standards Six foot 1 83 meter cables are supplied with each connector for wiring to the modules Replacement Power Cords Replacement power cords available for the NEMA Type 1...

Страница 38: ...No 2755 IB5S 3 3 32 VDC Catalog No 2755 IA5S 90 140V RMS DC Catalog No 2755 IM5S 180 280V RMS DC Mechanical Enclosure Catalog No 2755 DS1A or DD1A NEMA Type 1 Catalog No 2755 DS4A or DD4A NEMA Type 4...

Страница 39: ...s 8 or 7 Stop Bits 1 or 2 Flow Control None XON XOFF RTS CTS AUX Port Electrical Standard RS 232 Connector NEMA Type 1 25 pin female subminiature D Connector NEMA Type 4 19 pin male circular Cannon KP...

Страница 40: ...Publication 2755 2 43 September 1993 Supersedes Publication 2755 2 43 March 1992 Copyright 1993 Allen Bradley Company Inc Printed in USA PLC is a registered trademark of Allen Bradley Company Inc...

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