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Rockwell Automation Allen-Bradley 1784-KT2/B Installation Data
Rockwell Automation Allen-Bradley 1784-KT2/B Installation Data

Rockwell Automation Allen-Bradley 1784-KT2/B Installation Data

Communication interface module

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Cat. No. 1784-KT2/B
Installation Data
The 1784-KT2/B Communication Interface Module allows an IBM PS/2
compatible MicroChannel computer to communicate directly with
Allen-Bradley PLC-2 or PLC-3 family programmable controllers. The
1784-KT2/B also allows an IBM PS/2 compatible MicroChannel computer
to communicate over the Allen-Bradley Data Highway Plus network to all
Data Highway Plus family programmable controllers.
WARNING: The following provides information for
Allen-Bradley Industrial Computer and Communication Group
(ICCG) products that have been verified to meet the
Electromagnetic Interference (EMI) requirements of the Federal
Communication Commission (FCC) and the Canadian
Department of Communications for use in a commercial
environment:
This device complies with Part 15 of the FCC rules. Operation
is subject to the following two conditions: (1) this device may
not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause
undesired operation.
WARNING: This digital apparatus does not exceed the Class A
limits for radio noise emissions from digital apparatus set out in
the Radio Interference Regulations of the Canadian Department
of Communications.
Le présent appareil numérique n'émet pas de bruits
radioélectriques dépassant les limites applicables aux appareils
numériques de la class A prescrites dans le Règlement sur le
brouillage radioélectrique édicté par le ministère des
Communications du Canada.

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Summary of Contents for Rockwell Automation Allen-Bradley 1784-KT2/B

  • Page 1 Cat. No. 1784-KT2/B Installation Data The 1784-KT2/B Communication Interface Module allows an IBM PS/2 compatible MicroChannel computer to communicate directly with Allen-Bradley PLC-2 or PLC-3 family programmable controllers. The 1784-KT2/B also allows an IBM PS/2 compatible MicroChannel computer to communicate over the Allen-Bradley Data Highway Plus network to all Data Highway Plus family programmable controllers.
  • Page 2 We will refer to the 1784–KT2/B Communication Interface Module as simply the 1784–KT2 throughout this document. This document contains information on the following topics: Introducing the 1784–KT2/B Communication Interface Module Important User Information Features of the 1784-KT2 How the 1784–KT2 Operates Preparing the IBM PS/2 Reference Diskette for the 1784–KT2 Configuration Installing the 1784–KT2...
  • Page 3 Allen–Bradley publication SGI–1.1, “Safety Guidelines for the Application, Installation and Maintenance of Solid State Control” (available from your local Allen–Bradley office) describes some important differences between solid–state equipment and electromechanical devices which should be taken into consideration when applying products such as those described in this publication.
  • Page 4 The 1784-KT2 allows you to communicate with PLC-2s, PLC-3s, and Data Highway Plus nodes. The 1784-KT2 conducts the data communication, management, and local Data Highway Plus diagnostics. The interface to the personal computer is through board-resident shared memory that passes preformatted Data Highway Plus packets.
  • Page 5 Turn on the power switch. The following message appears: Press [ENTER] to continue. Press [ENTER]. The main menu appears: MAIN MENU 1. Learn about the computer 2. Backup the Reference Diskette 3. Set configuration 4. Set features 5. Copy an option diskette 6.
  • Page 6 Turn on the power switch. The following message appears: Press [ENTER] to continue. Press [ENTER]. The main menu appears: MAIN MENU 1. Learn about the computer 2. Backup the Reference Diskette 3. Set configuration 4. Set features 5. Copy an option diskette 6.
  • Page 7 Press [ESC] to quit. Remove the current IBM PS/2 Reference diskette from drive A and re-start the PS/2 computer. This section provides information on installing the 1784-KT2 into an Allen-Bradley 6123, an Allen-Bradley 6124, or an IBM PS/2 computer. When installing the 1784-KT2 into a 6123 or 6124, refer to the 6123/6124 User’s Manual (publication 6123-2.1).
  • Page 8 Insert the 1784-KT2 into the edge connector and tighten the expansion slot screw. Replace the system-unit cover. Connect the ac power to the computer. You are now ready to configure your 1784-KT2. Important: We assume you have already made a backup of your IBM PS/2 Reference diskette and prepared it for 1784-KT2 configuration capability.
  • Page 9 Select a memory address by moving the cursor down to the 1784-KT2 Memory Address option. The 1784-KT2 supports the following memory addresses (in hexadecimal): 0C0000 - 0C3FFF 0C4000 - 0C7FFF 0C8000 - 0CBFFF 0CC000 - 0CFFFF 0D0000 - 0D3FFF 0D4000 - 0D7FFF 0D8000 - 0DBFFF 0DC000 - 0DFFFF Use [F5] and [F6] to scroll back and forth through the addresses.
  • Page 10 CAUTION: Configuring two adapter cards at the same address may damage your cards and your PS/2 computer. Set the interrupt level by moving the cursor down to the Interrupt The 1784-KT2 supports the following interrupts: Level option. - IRQ9 - IRQ10 - IRQ11 - IRQ12 Use [F5] and [F6] to scroll back and forth through the interrupts.
  • Page 11 Important: Make sure you have the software that supports connecting the 1784-KT2 to your programmable controller. If you are not sure your software supports this connection, contact your local Allen-Bradley sales office The following sections provide directions for connecting a 1784-KT2 to a PLC-2, PLC-3, or PLC-5.
  • Page 12 Figure 1 shows cable pinouts for the 1784-CP2 cable. To connect the 1784-KT2 to a PLC-3, follow the steps below: WARNING: To avoid personal injury, always disconnect the ac power before making the cable connection. Plug the 62-pin connector end of the 1784-CP3 cable into the 1784-KT2 and secure with captive screws.
  • Page 13 Figure 2 shows cable pinouts for the 1784-CP3 cable. To connect the 1784-KT2 to a PLC-5, follow the steps below: WARNING: To avoid personal injury, always disconnect the ac power before making the cable connection. Plug the 62-pin connector end of the 1784-CP cable into the 1784-KT2 and secure with captive screws.
  • Page 14 Connect the other end of the 1784-CP cable into the PEER COMM INTFC connector on the PLC-5. Reinstall the ac power cord and turn on the computer. Important: To allow communication between PLC-5s and other Data Highway Plus nodes, you must connect your PS/2 to a PLC-5 using a 1784-CP cable.
  • Page 15 To properly execute the diagnostic program, you must have the following: an IBM PS/2 7541, 7561, 8550, 8555, 8560, 8570, or 8580 computer with the 1784-KT2 installed an Allen-Bradley 6123 or 6124 computer with the 1784-KT2 installed DOS V3.3 or greater a PLC-2 or PLC-3 loopback connector (required for Off-Line Communications Diagnostics tests) For information on how to build the loopback connector, refer to section...
  • Page 16 When the prompt appears, type the following to select the top directory of the hard disk: cd c:\ [ENTER] When the prompt appears, type the following to create a directory called KT: mkdir kt [ENTER] When the prompt appears, type the following to create a directory called KT2DIAG: mkdir kt2diag [ENTER]...
  • Page 17 The following sections describe how to start the diagnostic program from the: backup copy of the Options and Diagnostics diskette hard disk You are not required to start the diagnostic program from both the backup copy of the Options and Diagnostics diskette and the hard disk. If you plan to start the diagnostic program from the hard disk, turn to the section ‘‘Starting Up from a Hard Disk”...
  • Page 18 Important: The diagnostic program adds new test results to results already existing in the output file. If you want to delete test results already existing in the output file, wait for the prompt to appear and type: del kt2out.txt [ENTER] Do this before you proceed to step 4.
  • Page 19 Select the directory containing the diagnostic program by typing: [ENTER] When the prompt appears, type: cd c:\kt2diag [ENTER] Important: The diagnostic program adds new test results to results already existing in the output file. If you want to delete test results already existing in the output file, wait for the prompt to appear and type: del kt2out.txt [ENTER]...
  • Page 20 When you have completed the start-up procedures, the following screen appears: You must now specify which 1784-KT2 module you want to test. To do this, follow the steps below: Press [F3]. The number of each slot containing a 1784-KT2 is displayed.
  • Page 21 You are asked if you want to run a single test (Single Pass) or a specified number of tests (Repeat). Place your cursor on Single Pass or on Repeat and press [ENTER]. If you choose Repeat, you are asked how many passes you want to make.
  • Page 22 The Host Diagnostics test runs according to the number of times specified in step two. Your screen shows you when the tests are complete (Status column), how many errors were discovered (Failures column), and final test results (Result column). When you are finished, press any key to return to the main menu. The Card Diagnostics option allows you to test the 1784-KT2s various components and operations.
  • Page 23 Table 3 describes each of the above terms.
  • Page 24 The Card Diagnostics test runs according to the number of times specified in step two. Your screen shows you when the tests are complete (Status column), how many errors were discovered (Failures column), and final test results (Results column). When you are finished, press any key to return to the main menu. The Off-Line Communications option allows you to test the communication capabilities of the 1784-KT2.
  • Page 25 If you choose Repeat, you are asked how many passes you want to make. Specify this number and press [ENTER]. After you make your selection, the following screen appears (in this example, the PLC-2 function is displayed): Table 4 describes each of the above terms. You are asked to install your loopback connector with PLC-2 or PLC-3 capability.
  • Page 26 The All Components option allows you to run the Host, Card, and Off-line Communications tests discussed in the previous sections. To perform an All Components test, follow the steps below: Install your PLC-2 or PLC-3 loopback connector. Place your cursor on the All Components option and press [F4]. Follow steps 3 through 8 of the Off-line Communications test.
  • Page 27 The output file (KT2OUT.TXT) provides detailed error message information gathered from the diagnostic program. The output file displays each test that was run, as well as final test results. Each time the diagnostic program runs, it adds the test results to the output file. The output file has a maximum file size of 250K.
  • Page 28 In the above example, the Card Diagnostics test was run twice. The timer operation and the memory diagnostics show errors in the first pass of tests and none in the second pass. The final results section indicates the failure of both diagnostics from the first run of tests.
  • Page 29 This section shows you how to build the PLC-2 and PLC- 3 loopback connectors required for Off-Line Communications Diagnostics tests. Two loopback tests are performed during an Off-Line Communications test. In a loopback test, you download a program to the 1784-KT2 which: transmits a packet of data receives the same packet of data verifies that the transmitted and received packets are identical...
  • Page 30 Insert 5 of the wires into the back of a connector housing according to the following PLC-2 wire-assembly diagram. Label this connector PLC- 2. Insert 3 of the wires into the back of the remaining connector housing according to the PLC-3 wire-assembly diagram shown below. Label this connector PLC-3.
  • Page 31 Use the 1784-KT2 with the following: IBM PS/2 7541, 7561, 8550, 8555, 8560, 8570, or 8580 computer Allen-Bradley 6123 or 6124 computer Allen-Bradley 6001-F1E2 or 6200 software 1784-CP, -CP2, -CP3, or -CP6 cable or 1784-CP7 adapter Contact your local Allen-Bradley distributor or sales office for additional information.
  • Page 32 Publication 1784–2.21 – May 1992 PN4046330–05 Supersedes Publication 1784–2.21 – April 1991 Copyright 1992 Allen-Bradley Company, Inc. Printed in USA...