Why is my Allen-Bradley Desktop unable to read a label?
Several factors can prevent your Allen-Bradley Desktop from reading labels. Check that the labels meet quality specifications. Ensure the decoder settings match your application by verifying character verification, code type, code length and the minimum number of reads. Also, examine cables and connections for looseness, and confirm you're using the correct wand technique.
What to do if the Allen-Bradley Desktop POWER ON indicator does not light?
If the POWER ON indicator isn't lit, first, ensure the decoder is turned ON using the switch on the rear of the unit. Check the power cable connection to both the power source and the decoder, replacing the cable if defective. Also, inspect the fuse and replace it if blown. Finally, confirm that voltage is present at the service outlet.
What to do if my Allen-Bradley Desktop has no communication with the host computer?
If there's no communication with the host computer or display terminal, verify the decoder, host, and display terminal communication parameters. Check that the communication cable is securely connected. If the cable is improperly fabricated, refabricate or replace it. You may also need to disconnect or drive CTS ON if the host port CTS is driven OFF.
How to fix no laser beam emitted from Allen-Bradley Desktop laser scanner?
If no laser beam is emitted, first ensure that a Disable Decoding command hasn't been sent from the host; if so, send an Enable Decoding command. Then, check the laser scanner timeout value; if it's set to 0, change it to 120 using the command Esc – y 120 V. Verify that the decoder isn't in single read mode awaiting an Enable Next Read command, and check the host computer’s protocol setup to ensure RTS/CTS Handshaking configuration is compatible between the Decoder and host. If all else fails, replace the scanner cable or the scanner itself, as they may be defective.
What to do if Allen-Bradley Desktop POWER ON indicator is lit, but the laser scanner doesn't operate?
If the POWER ON indicator is lit, but the laser scanner or wand isn't working, start by checking the scanner cable and connection. If the cable is damaged, replace the wand or laser scanner.
General| Brand | Allen-Bradley |
|---|---|
| Model | Series B |
| Category | Control Unit |
| Language | English |
Lists key features and capabilities of the bar code workstation.
Details the hardware components, LEDs, ports, and connections of the decoder.
Discusses the Host Computer and Display Terminal ports and their RS-232-C/RS-422 support.
Details the pin assignments for the 25-pin D-shell connector for RS-232-C and RS-422.
Shows how to connect the decoder to a host computer using an RS-232-C connection.
Illustrates the RS-422 connection method between the decoder and a host computer.
Provides critical safety notes regarding adjustments, maintenance, and opening the enclosure.
Advises on installing equipment according to NFPA 70E and using shielded cables for EMI.
Explains the importance of grounding for safety and limiting electromagnetic interference.
Provides a visual guide and steps for connecting the decoder to host and display terminals.
Details the sequence of events and LED indicators during decoder power-up.
Lists decoder configuration commands and supported programming methods.
Explains how to customize decoder configuration using commands from a host system.
Defines the general format and components of escape sequences.
Details how to temporarily disable bar code decoding, useful for downloading sequences.
Describes how to save configuration changes made via escape sequences to EEPROM.
Explains how to individually enable or disable supported bar code symbologies.
Discusses supplemental characters used for bar code data verification.
Describes setting length limits for bar code symbols to validate reads.
Explains specific length checking options for Interleaved 2 of 5 bar codes.
Covers options for enabling/disabling UPC/EAN versions and supplemental characters.
Explains how to configure serial port parameters like baud rate, parity, and stop bits.
Introduces various settings related to laser scanner operation.
Lists decoder configuration commands programmable via bar code symbols.
Explains how to display the current configuration using a bar code.
Describes resetting the decoder using a bar code symbol.
Covers enabling/disabling the Code 39 symbology.
Explains configuring check characters for Code 11.
Covers enabling/disabling UPC/EAN symbologies.
Covers enabling/disabling the Codabar symbology.
Details configuring the baud rate for serial communications.
Details the output formats for Code 39 data based on decoding options and check characters.
Details the output formats for Interleaved 2 of 5 data based on decoding options.
Explains output formats for UPC/EAN symbologies, including supplements and expansions.
Explains the output formats for Code 128, noting its fixed structure.
Details output formats for Code 11, including check character interpretation.
Offers a table of common problems, probable causes, and possible solutions for system issues.
Lists the bar code symbologies the decoder can automatically discriminate and read.
Lists default configuration values for various functions, programmable via bar code or escape sequence.
Provides a comprehensive table summarizing escape sequences, functions, values, defaults, and page numbers.
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