Allen-Bradley 1769-ASCII Installation Instructions Manual
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Allen-Bradley 1769-ASCII Installation Instructions Manual

Allen-Bradley 1769-ASCII Installation Instructions Manual

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Installation Instructions
Compact 1769-ASCII Module
Cat. No. 1769-ASCII
Inside...
About the Module ............................................................................................4
Install the Module.............................................................................................5
Assemble the System........................................................................................6
Mount Expansion I/O ....................................................................................8
Ground the Module........................................................................................12
Connect the D-sub Connector Pins ............................................................13
I/O Memory Mapping...................................................................................16
Configure the 1769-ASCII Module .............................................................25
Specifications...................................................................................................29
Status Indicators..............................................................................................32
Troubleshoot with Error Codes ...................................................................33
Publication
1769-IN068B-EN-P - May 2005

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Summary of Contents for Allen-Bradley 1769-ASCII

  • Page 1: Table Of Contents

    Install the Module.....................5 Assemble the System..................6 Mount Expansion I/O ..................8 Ground the Module..................12 Connect the D-sub Connector Pins ............13 I/O Memory Mapping...................16 Configure the 1769-ASCII Module .............25 Specifications....................29 Status Indicators....................32 Troubleshoot with Error Codes ..............33 Publication 1769-IN068B-EN-P - May 2005...
  • Page 2 Allen-Bradley publication SGI-1.1, Safety Guidelines for the Application, Installation and Maintenance of Solid-State Control (available from your local Rockwell Automation office), describes some important differences between...
  • Page 3 Compact 1769-ASCII Module 3 Identifies information that is critical for successful application IMPORTANT and understanding of the product. Environment and Enclosure ATTENTION This equipment is intended for use in a Pollution Degree 2 industrial environment, in overvoltage Category II applications (as defined in IEC publication 60664-1), at altitudes up to 2000 meters without derating.

  • Page 4: About The Module

    4 Compact 1769-ASCII Module About the Module The 1769-ASCII module provides a flexible network interface to a wide variety of RS-232, RS-485, and RS-422 ASCII devices. The module provides the communication connections to the ASCII device. Item Description Upper DIN rail latch...

  • Page 5: Install The Module

    Compact 1769-ASCII Module 5 Install the Module Compact I/O is suitable for use in an industrial environment when installed in accordance with these instructions. Specifically, this equipment is intended for use in clean, dry environments (Pollution Degree 2 ) and to circuits not exceeding Over Voltage Category II (IEC 60664-1).

  • Page 6: Assemble The System

    6 Compact 1769-ASCII Module This product is grounded through the DIN rail to chassis ATTENTION ground. Use zinc-plated, yellow-chromate steel DIN rail to assure proper grounding. The use of other DIN rail materials (e.g., aluminum, plastic, etc.), which can corrode, oxidize, or are poor conductors, can result in improper or intermittent grounding.
  • Page 7 Compact 1769-ASCII Module 7 1. Disconnect power. Remove power before removing or inserting this module. When ATTENTION you remove or insert a module with power applied, an electrical arc may occur. An electrical arc can cause personal injury or property damage by: •...

  • Page 8: Mount Expansion I/O

    8 Compact 1769-ASCII Module 7. Attach an end-cap terminator (5) to the last module in the system by using the tongue-and-groove slots as before. 8. Lock the end-cap bus terminator (6). You must use a 1769-ECR or -ECL right- or left-end cap to IMPORTANT terminate the end of the serial communication bus.
  • Page 9 Compact 1769-ASCII Module 9 Panel Mount Mount the module to a panel by using two screws per module. Use M4 or #8 panhead screws. Mounting screws are required on every module. Panel Mount Procedure With the Dimensional Template For more than 2 modules: (number of modules - 1) X 35 mm (1.38 in.) 28.5...
  • Page 10 10 Compact 1769-ASCII Module 5. Place the modules back on the panel, and check for proper hole alignment. 6. Attach the modules to the panel using the mounting screws. If mounting more modules, mount only the last one of this group and put the others aside.
  • Page 11 Compact 1769-ASCII Module 11 Replace a Single Module Within a System The module can be replaced while the system is mounted to a panel or DIN rail. 1. Remove power. Remove power before removing or inserting this module. When ATTENTION you remove or insert a module with power applied, an electrical arc may occur.

  • Page 12: Ground The Module

    12 Compact 1769-ASCII Module 6. Before installing the replacement module, be sure that the bus lever on the module to be installed and on the right-side adjacent module are in the unlocked (fully right) position. 7. Slide the replacement module into the open slot.

  • Page 13: Connect The D-Sub Connector Pins

    Compact 1769-ASCII Module 13 Connect the D-sub Connector Pins All pins are active at all times. Pins unused for a particular physical network must not be IMPORTANT connected via the serial cable to any other device. In particular, do not use cables 1747-CP3 and 1756-CP3.
  • Page 14 14 Compact 1769-ASCII Module Figure 1 RS-232 Wiring Diagram - Module to DTE Device (Hardware Handshaking Disabled) ASCII DTE 9-pin 25-pin (1) Connect to the shield of the cable. Figure 2 RS-232 Wiring Diagram - Module to Printer (Hardware Handshaking Enabled, Standard Printer Adapter Cable)
  • Page 15 Compact 1769-ASCII Module 15 Figure 3 RS-422 Wiring Diagram ASCII TXD- RXD- RXD- TXD- RXD+ TXD+ TXD+ RXD+ Figure 4 RS-485 Wiring Diagram ASCII TRXD- TRXD- TRXD+ TRXD+ Publication 1769-IN068B-EN-P - May 2005...

  • Page 16: I/O Memory Mapping

    Assembly Object (Class 4), Instance 100. The output assembly is up to 108 words. Alternate Mode (One Channel at a Time) Output File Maximum size is shown below. Refer to the Compact I/O 1769-ASCII Module User Manual, publication 1769-UM012, to use smaller output files. Bit Position...
  • Page 17 • Reserved bits should be set to 0. Alternate Mode (One Channel at a Time) Input File Maximum size is shown below. Refer to the Compact I/O 1769-ASCII Module User Manual, publication 1769-UM012, to use smaller input files. Bit Position...
  • Page 18 18 Compact 1769-ASCII Module • NR = Non-delimited record. An input record is received and sent to the Compact bus interface that was not triggered by a delimiter character. This occurs when either the buffer is filled to its maximum receive size or a Message Timeout has occurred.
  • Page 19 Compact 1769-ASCII Module 19 Simultaneous Mode (Two Channels) Input File Maximum size is shown below. Refer to the Compact I/O 1769-ASCII Module User Manual, publication 1769-UM012, to use smaller output files. Bit Position Channel 0 Data Tx ID Acknowledged Rx Transaction ID...
  • Page 20 20 Compact 1769-ASCII Module • TS = Transmit sent. Indicates the ASCII module has sent the data indicated by the Tx Transaction ID and can accept more transmit data. • ND = New data. Only used for Handshake mode. • HE = Handshake error. Only used for Handshake mode.
  • Page 21 Compact 1769-ASCII Module 21 Simultaneous Mode (Two Channels) Output File Maximum size is shown below. Refer to the Compact I/O 1769-ASCII Module User Manual, publication 1769-UM012, to use smaller output files. Bit Position Channel 0 Data Reserved Tx Transaction ID...
  • Page 22 22 Compact 1769-ASCII Module Configuration File The 1769-ASCII module supports a configuration assembly that is accessible through the Assembly Object (Class 4), Instance 102. The configuration assembly is 31 words. The addresses assume a 16-bit data structure where all 16-bit values are INT .
  • Page 23 Compact 1769-ASCII Module 23 Description Values Valid Data Values Module Production Data 0…127/255 0…0x7f (0…127) for 7-bit data Pad Character 0…0xff (0…255) for 8-bit data Receive Swap Mode 0…2 0 = disabled, 1 = 16-bit, 2 = 32-bit 10 Master Handshake Mode 0…1...
  • Page 24 24 Compact 1769-ASCII Module Description Values Valid Data Values Serial Port Receive Data 18 Max Number of Receive 0…200 In Simultaneous mode, the total number Characters of channel 0 characters plus channel 1 characters cannot exceed 200. 19 Receive Record Start Mode 0…2...

  • Page 25: Configure The 1769-Ascii Module

    Configure with RSLogix 500 Software RSLogix 500, version 7, will include a 1769-ASCII profile. If you use a previous version, follow this procedure to configure your module. 1. From the list, choose Other: Requires I/O Card Type ID.
  • Page 26 26 Compact 1769-ASCII Module 2. Enter the appropriate values as listed below. 3. Choose OK. 4. From the Generic Extra Data Config tab, enter your configuration data. Refer to Configuration File on page 22. Publication 1769-IN068B-EN-P - May 2005...
  • Page 27 Compact 1769-ASCII Module 27 Configure with RSLogix 5000 Software 1. Right-click on the 1769-ASCII module and choose Properties. Use the default Assembly Instance numbers. 2. Enter the name of your module in the Name field. 3. Enter the connection parameters according to your controller.
  • Page 28 28 Compact 1769-ASCII Module 5. Double-click on the controller tags. 6. Enter your configuration data. Refer to Configuration File on page 22. For this example, we entered the Serial Character Framing from Word Publication 1769-IN068B-EN-P - May 2005...

  • Page 29: Specifications

    Compact 1769-ASCII Module 29 Specifications Vendor I.D. Code Product Type Code Product Code Input Words Output Words Configuration Words Recommended Cable Belden 8761 (shielded) Number of Inputs 2 full duplex (RS-232, RS-422) 2 half duplex (RS-485) Serial Input Voltage Signal 3…25V dc with respect to signal ground (SG) “0”, Asserted,...
  • Page 30 30 Compact 1769-ASCII Module General Specifications Environmental Conditions Operational Temperature IEC 60068-2-1 (Test Ad, Operating Cold), IEC 60068-2-2 (Test Bd, Operating Dry Heat), IEC 60068-2-14 (Test Nb, Operating Thermal Shock): 0…60 °C (32…140 °F) Storage Temperature IEC 60068-2-1 (Test Ab, Unpackaged Non-operating Cold),...
  • Page 31 Compact 1769-ASCII Module 31 Conducted RF Immunity IEC 61000-4-6: 10 Vrms with 1 kHz sine-wave 80% AM from 150 kHz…80 Enclosure Type Rating None (open-style) Dimensions (HxWxL), 3.39 x 1.33 x 4.60 in Imperial Dimensions (HxWxL), Metric 87 x 34 x 118 mm...

  • Page 32: Status Indicators

    32 Compact 1769-ASCII Module Status Indicators The following table defines the ASCII module status indicators. Status State Meaning Indicator No power, module is not configured, or no bus master Solid green In run mode. The led will blink red once during powerup.

  • Page 33: Troubleshoot With Error Codes

    Value Meaning Description (Hex) Global Module Errors No error The 1769-ASCII module adds no module-specific errors. Max output array size exceeded The maximum output array size is too large. In alternating mode, channel 0 and channel 1 must have less than 496 transmit characters.

  • Page 34: Publication 1769-In068B-En-P - May

    34 Compact 1769-ASCII Module Value Meaning Description (Hex) Channel 0 Module Errors Data buffer mode 0 = alternate mode; 1 = simultaneous mode. Anything else is invalid. Invalid serial port framing The serial port framing specified is invalid. Invalid serial port speed The serial port speed specified is invalid.
  • Page 35 Compact 1769-ASCII Module 35 Value Meaning Description (Hex) Invalid transmit swap mode The transmit swap mode specified is invalid. 44F-77F Undefined channel 0 error An undefined error has occurred. Channel 1 Module Errors Invalid serial port framing The serial port framing specified is invalid.
  • Page 36 36 Compact 1769-ASCII Module Value Meaning Description (Hex) Invalid transmit record end mode The transmit record end mode specified is invalid. Invalid transmit end delimiter The transmit end delimiter specified is invalid. Invalid transmit swap mode The transmit swap mode specified is invalid.
  • Page 37 Compact 1769-ASCII Module 37 North American Hazardous Location Approval The following information applies when Informations sur l'utilisation de cet équipement operating this equipment in hazardous en environnements dangereux: locations: Products marked “CL I, DIV 2, GP A, B, C, D” are Les produits marqués “CL I, DIV 2, GP A, B, C,...
  • Page 38 38 Compact 1769-ASCII Module EXPLOSION HAZARD RISQUE D'EXPLOSION AVERTISSEMENT WARNING Do not disconnect Couper le courant ou equipment unless power s'assurer que has been removed or the l'environnement est classé area is known to be non dangereux avant de nonhazardous.
  • Page 39 Compact 1769-ASCII Module 39 Notes: Publication 1769-IN068B-EN-P - May 2005...
  • Page 40 Rockwell Automation Support Rockwell Automation provides technical information on the web to assist you in using its products. At http://support.rockwellautomation.com, you can find technical manuals, a knowledge base of FAQs, technical and application notes, sample code and links to software service packs, and a MySupport feature that you can customize to make the best use of these tools.

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