Rockwell Automation Allen-Bradley 1770-KFC15 Bedienungsanleitung

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ControlNet

Communication

Interface Module

1770-KFC15

User Manual

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Important User Information

Solid state equipment has operational characteristics differing from those of electromechanical equipment.

Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (Publication

SGI-1.1 available from your local Rockwell Automation sales office or online at

http://www.ab.com/manuals/gi) describes some important differences between solid state equipment and

hard-wired electromechanical devices. Because of this difference, and also because of the wide variety of

uses for solid state equipment, all persons responsible for applying this equipment must satisfy themselves

that each intended application of this equipment is acceptable.

In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages

resulting from the use or application of this equipment.

The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many

variables and requirements associated with any particular installation, Rockwell Automation, Inc. cannot

assume responsibility or liability for actual use based on the examples and diagrams.

No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits,

equipment, or software described in this manual.

Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell

Automation, Inc. is prohibited.

Throughout this manual we use notes to make you aware of safety considerations.

WARNING Identifies information about practices or circumstances that can cause an explosion in a

hazardous environment, which may lead to personal injury or death, property damage,

or economic loss.

IMPORTANT Identifies information that is critical for successful application and understanding of the

product.

ATTENTION Identifies information about practices or circumstances that can lead to personal injury

or death, property damage, or economic loss. Attentions help you:

•identify a hazard

•avoid a hazard

•recognize the consequence

SHOCK HAZARD Labels may be located on or inside the equipment to alert people that dangerous

voltage may be present.

BURN HAZARD Labels may be located on or inside the equipment to alert people that surfaces may be

dangerous temperatures.

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Publication 1770-UM520C-EN-P - July 2004

Preface

The 1770-KFC15 communication interface module provides a communication link between

a ControlNet cable system and devices with a serial or parallel port, such as programming

terminals, portable computers, and other serial/parallel devices.

Purpose of the Manual

Throughout this manual we refer to the 1770-KFC15 communication interface module as

simply ‘the module’.

Use this manual to:

•install and configure the module

•understand how the module communicates on the network (procedures and

protocols)

•troubleshoot for problems

Related Publications

These publications contain information related to the 1770-KFC15 Communication Interface

module:

Publication Title Publication Number

ControlNet Cable System Planning and Installation Manual CNET-IN002

ControlNet Cable System Component List AG-PA002

DF1 Protocol and Command Set Reference Manual 1770-RM516

Industrial Automation Wiring and Grounding Guidelines 1770-4.1

PLC-5 Family Programmable Controllers Hardware Installation Manual 1785-6.6.1

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Publication 1770-UM520C-EN-P - July 2004

Related Products

The module creates an interface between the ControlNet cable system and devices with a

serial or parallel port. It has been verified to work with these products:

•Allen-Bradley ControlNet taps

(1786-TPR, 1786-TPS, 1786-TPYR, and 1786-TPYS)

•Allen-Bradley high voltage AC and DC type repeaters

(1786-RPT and 1786- RPTD)

•Allen-Bradley PLC-5 programmable controllers (1785-L20C15, -L40C15, -L60C15,

-L80C15)

•Allen-Bradley computer interface cards (1784-KTC15 and 1784-KTCX15)

•Allen-Bradley 1794 Flex I/O Adapters (1794-ACN15, 1794-ACNR15)

•Allen-Bradley 1771 I/O Adapters (1771-ACN15, 1771-ACNR15)

•Allen-Bradley ControlLogix ControlNet Bridge Module (1756-CNB and

1756-CNBR)

•Rockwell Software’s RSLogix 5, RSView 32, RSLinx, RSNetWorx, RSLogix 500,

RSLogix 5000

•Network Access cable (1786-CP)

Other ControlNet devices and software that comply with the ControlNet Network

specifications can also be used with the module.

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Publication 1770-UM520C-EN-P - July 2004

Terms and Abbreviations

This term: Means:

1747-KFC15 SLC-based module

1756-CNB a 1756-CNB or 1756-CNBR module; a ControlLogix backplane to ControlNet bridge

1770-KFC15 referred to herein as the module

a.k.a. also known as

ACK a DF1 or ControlNet acknowledgement

ControlNet the communication architecture that allows the exchange of messages between

devices that follow the ControlNet specifications

It is a real-time, control-layer network that provides high-speed transport for both

time-critical I/O and messaging data. A ControlNet cable system can be either

single or redundant media.

DF1 DF1 protocol is an Allen-Bradley RS-232 proprietary data-link layer protocol that

combines features of subcategories D1 (data transparency) and F1 (two-way

simultaneous transmission with embedded responses) of ANSI x3.28

specification. The KFC uses DF1 protocol to communicate on the serial port.

DH+ Data Highway Plus network; existing Allen-Bradley peer-to-peer network for

messaging and program upload/download

DH+ PCCC message a PCCC message that originated from a device on a DH+ network

DHRIO Data Highway and Remote I/O

DST the destination address on a DF1 link

full duplex simultaneous send/receive between devices, point-to-point

half duplex data transmission in one direction at a time, usually point-to-multipoint

NAK a DF1 negative acknowledgement

NAP network access port; input/output (RJ-45 style) connector for a programming

terminal to gain full access to the network

network a collection of connected nodes (end devices). The connection paths between any

pair of nodes can include repeaters, routers, bridges and gateways.

network address the network address of a node on the ControlNet cable system. This address must

be in the range of 1 to 99 (decimal) and be unique to that subnet. A subnet can

contain a maximum of 99 nodes.

new KFC Version 4.2 or later of the KFC firmware

node any physical device connecting to the ControlNet cable system that requires a

network address in order to function on the network.

NUT network update time; the rate at which access to the ControlNet network is

granted

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Publication 1770-UM520C-EN-P - July 2004

old KFC Any 1747-KFC15 or 1770-KFC15 firmware released before v4.2, including version

2.2 (a.k.a. version B/B) and older firmware

parallel port input/output port for a device that transmits multiple data and control bits over

wires connected in parallel

PCCC Programmable Controller Communication Commands; an Allen-Bradley

communication protocol used on the Data Highway Plus network

repeater a two-port active physical layer component that reconstructs all traffic it hears on

one network segment side and retransmits it to another network segment side.

Repeaters allow for extensions in network distance, conversion to alternate media

(coaxial cable, fiber, etc.) and altering the topology of the network.

RIO Remote Input/Output; an Allen-Bradley remote input/output link that supports

remote, time-critical, I/O and control communication between a master PLC

controller and its remote I/O and adapter mode slave processors

RS-232C port a serial port that complies with accepted industry standards for serial

communications connections

SRC The source address on a DF1 link

segment trunkline sections connected via taps with terminators at each end, and with no

repeaters

serial port input/output connector for a device that transmits data and control bits

sequentially over a single transmission line. (See RS-232C port.)

standard PCCC message A PCCC message that originated from a device that is not on a DH+ network

subnet network segments connected by repeaters to make up one ControlNet network

tap the connection device between any ControlNet device and the trunkline. A tap is

required for each node and for both sides of each repeater.

terminator a special circuit that prevents signal reflections from occurring at the end of a

cable

trunkline the bus or central part of a cable system

trunkline section a length of trunkline cable between any two taps

This term: Means:

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P-5

Publication 1770-UM520C-EN-P - July 2004

ATTENTION

Environment and Enclosure

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.

This equipment is considered Group 1, Class A industrial equipment

according to IEC/CISPR Publication 11. Without appropriate

precautions, there may be potential difficulties ensuring electromagnetic

compatibility in other environments due to conducted as well as radiated

disturbance.

This equipment is supplied as “enclosed” equipment. It should not

require additional system enclosure when used in locations consistent

with the enclosure type ratings stated in the Specifications section of this

publication. Subsequent sections of this publication may contain

additional information regarding specific enclosure type ratings, beyond

what this product provides, that are required to comply with certain

product safety certifications.

NOTE: See NEMA Standards publication 250 and IEC publication

60529, as applicable, for explanations of the degrees of protection

provided by different types of enclosure. Also, see the appropriate

sections in this publication, as well as the Allen-Bradley publication

1770-4.1 (“Industrial Automation Wiring and Grounding Guidelines”),

for additional installation requirements pertaining to this equipment.

WARNING

Preventing Electrostatic Discharge

This equipment is sensitive to electrostatic discharge, which can cause

internal damage and affect normal operation. Follow these guidelines

when you handle this equipment:

•Touch a grounded object to discharge potential static.

•Wear an approved grounding wrist strap.

•Do not touch connectors or pins on component boards.

•Do not touch circuit components inside the equipment.

•If available, use a static-safe workstation.

•When not in use, store the equipment in appropriate static-safe

packaging.

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P-6

Publication 1770-UM520C-EN-P - July 2004

Notes:

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Publication 1770-UM520C-EN-P - July 2004

Table of Contents

Chapter 1

ControlNet System Overview

Overview of ControlNet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Communication Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Understanding the ControlNet Architecture . . . . . . . . . . . . . . . . . . . . 1-2

Planning the Host Cable System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Chapter 2

Introducing the Module

Overview of the 1770-KFC15 Module . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Chapter 3

Installing the Module

Electrostatic Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Overview of the Installation Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Connecting to a Host through the RS-232C Port . . . . . . . . . . . . . . . . 3-2

RS- 232C Baud Rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

RS-232C Activity Indicator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Connecting to a Host through the Parallel Port. . . . . . . . . . . . . . . . . . . . . 3-4

Cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Parallel Port Activity Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Connecting a Device to the Network Access Port. . . . . . . . . . . . . . . . . . . 3-4

Cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Connecting to the AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

Connecting to the ControlNet Cable System . . . . . . . . . . . . . . . . . . . . . . . 3-6

Attaching the Module to a Wall or Mounting Bracket. . . . . . . . . . . . . . . . 3-7

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