Allen-Bradley 1784-KT2/C Manuale di installazione e d'uso

Communication Interface Module

Cat. No. 1784-KT2/C

Installation Data

Communication Interface Module

Cat. No. 1784–KT2/C

Installation Data

The 1784–KT2/C Communication Interface Module allows you to use an

IBM PS/2 compatible MicroChannel computer to communicate with:

Allen-Bradley PLC–2 and PLC–3 family programmable controllers

all Data Highway Plus family programmable controllers

The 1784–KT2/C 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. Upon powering up the computer

and downloading module code, diagnostics are run automatically to verify

the 1784–KT2/C’s operation. Allen-Bradley 6001–F1E2 software manages

the transmission and reception of data through board-resident shared

memory.

Features

The 1784–KT2/C Communication Interface Module is an IBM PS/2R

MicroChannel card that you can insert into any 8– or 16–bit IBM PS/2

expansion slot. In addition, the 1784–KT2/C:

makes your PS/2 computer an active node on a Data Highway Plus

network

provides single cable connection to a PLC–2, PLC–3, or PLC–5 family

programmable controller

operates with 6200 programming software

is address selectable; you can use it with other option boards installed in

your PS/2 computer

when combined with Allen-Bradley 6001–F1E2 software, allows you to

create your own custom interface to a Data Highway Plus network

About

the 1784-KT2/C

Communication Interface

Module

Communication Interface Module

Cat. No. 1784-KT2/C

Installation Data

Compatibility

The 1784–KT2/C has been verified for operation with the following

computers:

Allen-Bradley 6123, 6124

IBM PS/2 7541, 7561, 8550, 8555, 8560, 8570, 8580

We will refer to the 1784–KT2/C Communication Interface Module as

simply the 1784–KT2 throughout this document.

The remainder of this document contains information on the following

topics:

For Information on: Refer to page:

Important User Information 2

Preparing the Reference Diskette for Configuration 4

Installing the 1784-KT2 7

Configuring the 1784-KT2 8

Connecting the 1784-KT2 10

The 1784-KT2 Diagnostic Program 14

Building Loopback Connectors 29

Specifications 31

Because of the variety of uses for products described in this publication,

those responsible for the application and use of this control equipment

must satisfy themselves that all necessary steps have been taken to assure

that each application and use meets all performance and safety

requirements, including any applicable laws, regulations, codes and

standards.

The illustrations, charts, sample programs and layout examples shown in

this guide are intended solely for purposes of example. Since there are

many variables and requirements associated with any particular

installation, Allen-Bradley does not assume responsibility or liability (to

include intellectual property liability) for actual use based upon the

examples shown in this publication.

What this Document Contains

Important User Information

Communication Interface Module

Cat. No. 1784-KT2/C

Installation Data

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.

Reproduction of the contents of this copyrighted publication, in whole or

in part, without written permission of Allen-Bradley Company, Inc. is

prohibited.

WARNING: With any complex communication system you

need to identify potential application–related communication

problems and make provisions in the system design to prevent

hazardous or undesired consequences if a problem occurs.

These problems include, but are not necessarily limited to, the

possibility of:

unexpected loss of communication

erroneous or incomplete data being supplied to the network

and passed on to your application

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.

Communication Interface Module

Cat. No. 1784-KT2/C

Installation Data

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 parleministère des

Communications du Canada.

Preparing the IBM PS/2 Reference diskette for 1784–KT2 configuration

capability, involves:

creating backup diskettes

copying the 1784–KT2 Adapter Description file

creating a backup of the PS/2 configuration

The following sections provide information on these procedures.

Creating Backup Diskettes

Before installing or configuring your 1784–KT2 you need to make backup

copies of the following:

1784–KT2 Options and Diagnostics diskette

Most recent version of the IBM PS/2 Reference diskette

Follow IBM instructions for completing this process.

Important: After you have created the backup copies, store the original

diskettes. All procedures from this point on will be performed using the

backup diskettes.

Copying the 1784-KT2 Adapter Description File

This section explains how to copy the 1784–KT2 Adapter Description file

(60C6. ADF) from the 1784–KT2 Options and Diagnostics diskette to the

IBM PS/2 Reference diskette. You cannot configure the 1784–KT2 until

the Adapter Description file is added to the IBM PS/2 Reference diskette.

To copy the Adapter Description file, follow these steps:

1. Insert the IBM PS/2 Reference diskette into drive A of your

computer.

Preparing

the Reference

Diskette for Configuration

Communication Interface Module

Cat. No. 1784-KT2/C

Installation Data

2. Press the [Control], [Alt] and [Del] keys at the same time.

3. When you receive the following message, press [ENTER].

Press

[ENTER) to continue.

4. 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. Move the computer

7. Test the computer

Use ↑or ↓to select. Press Enter.

Escape=Quit F1=Help

Move the cursor down to the Copy an Option Diskette option and

press [ENTER].

5. When the following message appears, insert the 1784–KT2 Options

and Diagnostic diskette into drive A and press [ENTER]:

Remove

your backup copy of the Reference

diskette and insert the options diskette into

drive A.

6. Follow the instructions on your screen.

This process copies only the 1784–KT2 Adapter Description file to

the IBM PS/2 Reference diskette. When this copy procedure is

complete, store both diskettes.

Creating a Backup of the PS/2 Configuration

Important: You need to copy the Adapter Description file to the IBM

PS/2 Reference diskette before you perform this procedure. If you have not

yet done so, turn to the previous section for instructions.

To create a backup of the PS/2 computer’s configuration, follow these

steps:

1. Insert the IBM PS/2 Reference diskette into drive A.

Communication Interface Module

Cat. No. 1784-KT2/C

Installation Data

2. Cycle the power switch. When the following message appears, press

[ENTER]:

Press

[ENTER) to continue.

3. When the main menu appears move the cursor down to the Set

Configuration option and press [ENTER].

MAIN MENU

1. Learn about the computer

2. Backup the Reference Diskette

3. Set configuration

4. Set features

5. Copy an option diskette

6. Move the computer

7. Test the computer

Use ↑or ↓to select. Press Enter.

Escape=Quit F1=Help

4. When the Set Configuration menu appears move the cursor down to

the Backup Configuration option and press [ENTER].

Set Configuration

1. View configuration

2. Change configuration

3. Backup configuration

4. Restore configuration

5. Run automatic configuration

Press a number to select

Esc=Quit F1=Help

This creates a backup of your PS/2 computer’s current configuration.

5. When the procedure is complete, press [ENTER] to return to the Set

Configuration menu.

6. Press [ESC] to quit.

7. Remove the IBM PS/2 Reference diskette from drive A and re-start

the PS/2 computer.

Communication Interface Module

Cat. No. 1784-KT2/C

Installation Data

This section explains how to install the 1784–KT2 into an Allen-Bradley

6123 or 6124, or an IBM PS/2 computer. When installing the module into a

6123 or 6124, refer to the 6123/6124 User’s Manual (publication

6123–2.1) for additional considerations.

Important: Read the IBM PS/2 Model Quick Reference guide before

you install the 1784–KT2. Pay close attention to the section entitled

“Installing Options” for additional considerations when installing the

1784–KT2.

CAUTION: The 1784–KT2 uses CMOS Technology, which is

highly sensitive to electrostatic discharge (ESD). ESD may be

present whenever you are handling the 1784–KT2. Handling the

1784–KT2 without any ESD protection can cause internal circuit

damage that may not be apparent during installation or initial use.

A grounding wrist strap has been shipped with the1784–KT2 to

be worn during the installation procedure. Instructions for use of

the strap are found on the back of its package.

The following is a list of precautions to guard against ESD damage:

Before handling the module, be sure to wear the provided static strap

and touch a grounded object to discharge any built–up static charge.

Avoid touching the backplane connector or interface connector pins

located on the 1784–KT2.

If the module is not in use, store the 1784–KT2 in the static bag that the

module was shipped in.

To install the 1784–KT2, follow these steps:

1. Disconnect the ac power to the computer.

2. Remove the computer’s system–unit cover (according to the

manufacturer’s instructions).

3. Select a vacant 8– or 16–bit expansion slot.

Important: The 1784–KT2 will function in an 8–or a 16–bit

expansion slot only.

4. Remove the rear bracket slot’s expansion cover by loosening the

screw on the back of the computer.

5. Insert the 1784–KT2 into the edge connector and tighten the

expansion slot screw.

6. Replace the system–unit cover.

7. Connect the ac power to the computer.

Installing

the 1784-KT2

Communication Interface Module

Cat. No. 1784-KT2/C

Installation Data

You are now ready to configure your 1784–KT2. Refer to the next section.

Important: You need to prepare the PS/2 Reference diskette for

1784–KT2 configuration capability. If you have not yet done so, refer to

the section earlier in this document.

To configure the 1784–KT2, follow these steps:

1. Insert the IBM PS/2 Reference diskette into drive A.

2. Turn on the computer.

3. During the boot process, the computer beeps twice and error code 165

appears on the screen. This indicates an adapter configuration change.

When the following message appears, press [ENTER]

Press

Enter to continue

4. When you receive the following message, type n and press [ENTER].

Automatically

configure the system? (Y/N)

5. When the main menu appears, move the cursor down to the Set

Configuration option and press [ENTER].

6. When the Set Configuration menu appears, move the cursor down to

the Change Configuration option and press [ENTER]. A

configuration table with the following type of information appears

(variation is probable):

Configuring

the 1784-KT2

Communication Interface Module

Cat. No. 1784-KT2/C

Installation Data

Change Configuration

Total System Memory

Installed Memory 2048KB (2.0MB). .

Useable Memory 2048KB (2.0MB). .

BuiltIn Features

Installed Memory 2048KB (2.0MB). .

Diskette Drive A Type 1.44MB [3.5"]. . . . . .

Diskette Drive B Type [Not Installed]. . . . . .

Math Coprocessor [Not Installed]. . . . . . . . .

Serial Port [Serial_1]. . . . . . . . . . . . . .

Parallel Port [Parallel_1]. . . . .

Slot 1-AllenBradley Company 1784-KT2

Memory Address [0C0000h-0C3FFFh]. .

Interrupt Level [IRQ9]. . . .

Auxiliary Communication

Port [PLC-2/-3 Direct Connect]. . . . . . . . . . . . . . . . . . .

Esc=QuitF5=PreviousF10=SaveHomePage up

F1=HelpF6=NextEndPage Down

7. Select a memory address by moving the cursor down to the1784–KT2

Memory Address option.

CAUTION: Configuring two adapter cards at the same address

may damage your cards and your PS/2 computer.

Use [F5] and [F6] to scroll back and forth through the addresses.

Display your selection on the screen. Make sure you select an address

that is not being used by another adapter card in your PS/2 computer.

If you select an address currently in use, an asterisk will appear next

it.

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

Communication Interface Module

Cat. No. 1784-KT2/C

Installation Data

8. Set the interrupt level by moving the cursor down to the Interrupt

Level option.

Use [F5] and [F6] to scroll back and forth through the interrupts.

Display your selection on the screen. Make sure you select an

interrupt that is not being used by another adapter card in your PS/2

computer.

The 1784–KT2 supports the following interrupts:

IRQ9

IRQ10

IRQ11

IRQ12

If you are using a PLC–2 or PLC–3, continue with Step 9.

If you are not using a PLC–2 or PLC–3, continue with Step 10.

9. Use [F5] and [F6] to set the auxiliary communication port to

PLC–2/3 Direct Connect.

10. Press [F10] to save the memory, interrupt, and auxiliary

communication port options.

11. You are asked if you want to continue. Press [ENTER].

12. Press [ESC] to return to the Set Configuration menu.

13. Press [ESC] again. A message indicating a configuration change has

been made appears on your screen. Remove the IBM PS/2 Reference

diskette.

14. Press [ENTER] to restart the computer.

Important: Make sure you have the software that supports connecting

the1784–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. Refer to Table 1for the catalog numbers of the

cables you need to use and the corresponding PLCs.

Connecting

the 1784-KT2

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