Allen-Bradley ControlNet 1747-ACN15 Bedienungsanleitung

Publication 1747-5.41

ControlNet Adapter Module

1747-ACN15, 1747-ACNR15

Installation Instructions

Inside...

For More Information .................................................................. 2

Module Description and Features............................................... 4

Hardware Components............................................................... 4

Determining Power Requirements.............................................. 6

Installing the Adapter Module in the Chassis.............................. 7

Connecting Programming Terminals

to the Network via the NAP........................................................ 11

Powerup Sequence................................................................... 12

Troubleshooting With the Status Indicators and status Display 13

ControlNet Status Indicators..................................................... 17

Specifications............................................................................ 18

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Publication 1747-5.41

For More Information

For detailed information on planning and installing your ControlNet system, see

the following publications:

If you would like a manual, you can:

• download a free electronic version from the internet:

www.theautomationbookstore.com

• purchase a printed manual by:

– contacting your local distributor or Rockwell Automation representative

– visiting www.theautomationbookstore.com and placing your order

– calling 1.800.9NEWLIT(800.963.9548) (USA/Canada)

or 001.330.725.1574 (Outside USA/Canada)

Publication Publication Number

ControlNet Cable System Component List AG-2.2

ControlNet Cable System Planning and Installation Manual 1786-6.2.1

ControlNet Coax Tap Installation Instructions 1786-2.3

ControlNet Network Access Cable Installation Instructions 1786-2.6

ControlNet Repeater Installation Instructions 1786-2.7

Industrial Automation Wiring and Grounding Guidelines 1770-4.1

ControlNet Adapter User Manual 1747-6.24

Publication 1747-5.41

Compliance to European Union Directives

If this product has the CE mark, it is approved for installation within the

European Union and EEA regions. It has been designed and tested to meet the

following directives.

EMC Directive

This product is tested to meet Council Directive 89/336/EEC Electromagnetic

Compatibility (EMC) and the following standards, in whole or in part,

documented in a technical construction file:

• EN 50081-2

• EMC - Generic Emission Standard, Part 2 - Industrial Environment

• EN 50082-2

• EMC - Generic Immunity Standard, Part 2 - Industrial Environment

This product is intended for use in an industrial environment.

Low Voltage Directive

This product is tested to meet Council Directive 73/23/EEC Low Voltage, by

applying the safety requirements of EN 61131-2 Programmable Controllers, Part

2 - Equipment Requirements and Tests.

For specific information required by EN 61131-2, see the appropriate sections in

this publication, as well as the following Allen-Bradley publications:

•Industrial Automation Wiring and Grounding Guidelines For Noise

Immunity, publication 1770-4.1

•Automation Systems Catalog, publication B111

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Publication 1747-5.41

Module Description and Features

The 1747-ACN15 and -ACNR15 adapters control 1746 remote I/O on the

ControlNet network. The ControlNet network is a communication architecture

that allows the exchange of messages between ControlNet products compliant

with the CI specification.

1747-ACN15 and 1747-ACNR15 adapters support multiple connections to

individual modules or rack connections to a group of modules. Up to 64

connections per adapter are possible with 255 words (max.) supported per

connection. Multiple connections per module are allowed for modules with large

M0 and M1 files. An adapter can control up to 30 slots of 1746 I/O (3 chassis

max.).

The 1747-ACN15 and -ACNR15 adapters features include:

• high speed data transfer

• diagnostic messages

• local communication network access through the network access port

(NAP)

• redundant media (1747-ACNR15 only)

Hardware Components

The adapter module consists of the following major components, as shown in the

following figure:

• ControlNet status and health indicators

• status display and network address

• network access port (NAP)

• ControlNet connectors (one on 1747-ACN15; two on 1747-ACNR15)

• module net address switch assemblies (on top of module)

Publication 1747-5.41

Figure 1 ControlNet Adapter Module

Diagnostic Indicators

Health indicators are located on the front panel of the adapter module (Figure 1).

They show both normal operation and error conditions in your remote I/O

system.

In addition, an alphanumeric display (net address/status) provides status code

indications when an error occurs during initialization or operation.

A complete description of the diagnostic indicators and status display and how to

use them for troubleshooting is explained on page 13.

Network Access Port (NAP)

The network access port (Figure 1) provides a bidirectional electrical interface

for programming, maintenance, and I/O monitoring devices in both redundant

and non-redundant connections. Connecting programming terminals to the

network using the NAP is described on page 11.

ADDRESS/STATUS ADDRESS/STATUS

OK OK

Module Network Address Switches

(accessible thru top of module)

Health Indicators

ControlNet Status Indicators

Diagnostic Indicators

Network Access Port (NAP)

1747-ACNR15

ControlNet Media Port (A)

ControlNet Redundant Media Port (B) (1747-ACNR15 only)

1747-ACN15

Status Display and

Net Address

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Publication 1747-5.41

ControlNet Connectors

Cable connection to the module is through standard BNC connectors on the

module frontplate, as shown below.

Figure 2 Cable Connections.

1. End device supporting redundant cabling is a 1747-ACNR15.

Refer to the ControlNet Cable System Planning and Installation User Manual,

Publication 1786-6.2.1 for more information.

Network Address Switch Assemblies

You must set two switch assemblies to configure your adapter module with its

unique network address. You access these switches through the top of the

module. Figure 3 shows the location of the switches. These switches are read on

power-up to establish the network address of the module. Network address

switch settings are described on page 7.

Determining Power Requirements

The ControlNet adapter module requires a maximum backplane current of

900mA at 5V dc. Remember to add this amount to other current requirements for

your I/O chassis.

Example of a Redundant System

trunkline A =

trunkline B =

Terminator

PLC-5/20C or

PLC-5/04C end device

Publication 1747-5.41

Setting the Network Address Switches

The switches on the top of the adapter module determine the network address of

the adapter. The two switches are:

• the ten’s switch

• the one’s switch

The combination of these switches allows selection of network addresses from 01

to 99.

Figure 3 Setting the Network Address

Installing the Adapter Module in the Chassis

Once you’ve set the appropriate switch assemblies for your adapter module,

follow these procedures for installation.

Refer to the Industrial Controller Wiring and Grounding Guidelines publication

1770-4.1 for proper grounding and wiring methods to use when installing your

module.

Note: 00 is an invalid number.

!ATTENTION: Remove system power before removing or

installing your module in the I/O chassis. Failure to observe

this warning could damage module circuitry and injure

people.

Ten’s

Selection One’s

Selection

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Publication 1747-5.41

1. Remove power from the I/O chassis before inserting (or removing) the

module.

2. Align the circuit board with the chassis card guide in the left slot.

Figure 4 Module Installation

3. Slide the module into the chassis until the top and bottom latches are

latched. To remove the module, press the releases at the top and bottom of

the module and slide it out.

4. Press firmly and evenly to seat the module in its backplane connectors.

Connecting Your Adapter to the ControlNet Network

You connect your 1747-ACN15 or -ACNR15 adapter module to a ControlNet

network via taps. These taps are available:

!ATTENTION: Do not force the module into the backplane

connector. If you cannot seat the module with firm pressure,

check the alignment. Forcing the module can damage the

backplane connector or the module.

Latch

Card Guide

Power

Supply

Publication 1747-5.41

Figure 5 Available Taps

1. Remove the tap’s dust cap (located on the straight or right angle connector).

Figure 6 Connecting to a Tap

Important:

Taps contain passive electronics and must be purchased from

Allen-Bradley for the network to function properly.

If your node supports: Connect the tap’s straight or right angle connector:

Non-redundant media to the channel A connector on the 1747-ACN15 or 1747-

ACNR15 (channel B on the 1747-ACNR15 is not used)1

1. While both channels are active, Allen-Bradley recommends using channel A for non-redundant

media.

Redundant media •fromtrunkline A to channel A on the 1747-ACNR15

•fromtrunkline B to channel B on the 1747-ACNR15

!ATTENTION: Do not allow any metal portions of the tap to

contact any conductive material. If you disconnect the tap

from the adapter, place the dust cap back on the straight or

right angle connector to prevent the connector from

accidentally contacting a metallic grounded surface.

Straight T-tap Straight Y-tap Right-angle T-tap Right-angle Y-tap

1766-TPS 1786-TPYS 1786-TPR 1786-TPYR

segment 1

Tap

dust cap

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Publication 1747-5.41

2. Remove and discard the dust caps from the adapter BNC jacks.

3. Connect this tap’s straight or right angle connector to the BNC connector on

the adapter.

Figure 7 Connecting to a Module

4. For redundant adapters (1747-ACNR15), remove (and save) the dust cap

located on the straight or right angle connector of the designated tap on the

second segment (segment 2).

Figure 8 Connecting a Redundant Adapter

5. Connect this tap’s straight or right angle connector to the BNC connector on

the adapter.

segment 1

tap .

Important:

To prevent inadvertent reversal of the

top connections (resulting in incorrect

LED displays and troubleshooting),

check the tap drop cable for a label

indicating the attached segment before

making your connection.

segment 2

tap

dust cap

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