Allen-Bradley ControlLogix DeviceNet 1756-DNB Bedienungsanleitung

Packing Data PK

Publication 1756-5.66 – May 1998

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

(Catalog Number 1756-DNB)

To the Installer

The

1756-DNB module is a DeviceNet

scanner module that resides in a

ControlLogixtchassis and provides DeviceNet monitoring, configuration,

and I/O scan capabilities.

Use this document as a guide to install the ControlLogix DeviceNet

scanner module.

To See page

Handle the module 2

Understand Compliance to European Union Directives 3

Understand the module software features 4

Identify the module hardware features 6

Prepare to install the module 7

Prepare the chassis for installation 8

Install the module into the chassis 8

Wire the DeviceNet connector 12

Connect the module to the DeviceNet network 13

Apply chassis power 14

Check module alphanumeric indicators 14

Use the manual configuration pushbutton 15

Interpret the node address/status indicator 16

Interpret the status indicators 18

Installation Instruction

AB Parts

ControlLogix DeviceNet Scanner Module Installation Instructions2

Publication 1756-5.66 – May 1998

To See page

Understand the ControlLogix controller interface 22

Understand CSA Hazardous Location Approval 25

Understand module specifications 27

Handling the Module

ATTENTION:

The module uses CMOS technology

, which is highly

sensitive to electrostatic dischar

ge (ESD). ESD may be present

whenever you are handling the module. Handling a module without

any ESD protection can cause internal circuit damage that may not be

apparent during installation or initial use.

ake these 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 module.

•If the module is not in use, store it in the anti-static clamshell in which the

module was shipped.

Important: Remember

, a computer with ac power disconnected is

not

grounded object.

ControlLogix DeviceNet Scanner Module Installation Instructions 3

Publication

1756-5.66 – May 1998

Understand Compliance to European Union Directives

If this product bears the

ÎÎ

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 50081-2EMC – Generic Emission Standard, Part 2 – Industrial Environment

•EN 50082-2EMC – 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 LowVoltage, by

applying the safety requirements of EN 61131–2 Programmable Controllers,

Part 2 – Equipment Requirements and Tests.

For specific information required by EN 61

131-2, see the appropriate sections in

this publication as well as these Allen-Bradley publications:

•Industrial Automation Wiring and Grounding Guidelines for Noise Immunity,

publication 1770-4.1

•Guidelines for Handling Lithium Batteries, publication AG-5.4

•Automation Systems Catalog, publication B111

This

equipment is classified as open equipment and must be mounted in an

enclosure during operation to provide safety protection.

AB Parts

ControlLogix DeviceNet Scanner Module Installation Instructions4

Publication 1756-5.66 – May 1998

Understand the Module’s Software Features

The 1756-DNB module has the following software features. Y

ou activate these

features by using DeviceNetManager

tsoftware (catalog no. 1787-MGR) or

RSNetWorx for DeviceNett. For more information, refer to the DeviceNet

Manager Software User Manual, publication 1787-6.5.3, the appropriate

RSNetWorx for DeviceNet documentation, and the 1756-DNB Scanner

Configuration Manual, publication 1756-6.5.15.

Slave Mode

The

slave mode feature allows processor

-to-processor communication. Slave

mode also allows the scanner to perform as a slave device to another master on

the network.

Like any other slave, when the scanner module is in slave mode, it exchanges

data with only one master. You control what information is exchanged through

scan list configuration and associated mapping functions of DeviceNet Manager

software.

The slave mode function has these variations:

Scanner is in this mode when it

Null contains an empty or disabled scan list (out-of-box default)

Master serves as a master to one or more slaves but is not

simultaneously serving as a slave to another master

Slave serves as a slave to another master

Dual serves as both a master to one or more slaves and as a

slave to another master simultaneously

ControlLogix DeviceNet Scanner Module Installation Instructions 5

Publication

1756-5.66 – May 1998

Change of State

The

scanner module can send and receive data on a change of state basis with

slave devices that also have this feature. Data is sent:

•

whenever a data change occurs, or

•

at a user

-configurable heartbeat rate

Change of state increases system performance by reducing network traf

fic, since

data is only sent on an as-needed basis. Use DeviceNet Manager software to

activate this feature.

Cyclic I/O

The

scanner module can send and receive data on a cyclic basis with slave

devices that also have this feature.

Cyclic I/O increases system performance by reducing network traf

fic, since data

is only sent at a user

-configurable rate. Use DeviceNet Manager or RSNetWorx

for DeviceNet software to activate this feature.

AB Parts

ControlLogix DeviceNet Scanner Module Installation Instructions6

Publication 1756-5.66 – May 1998

Identify the Module’s Hardware Features

Use this illustration to identify the external features of the module.

MOD/NET

DeviceNetTM

Front ViewSide View

Backplane

Connector

Door

Front

Panel

DeviceNet

Connector

Health

and status

Indicators

Product

Label

Wiring Color

Codes

I/O

MOD/NET

Pushbutton

Label

ControlLogix DeviceNet Scanner Module Installation Instructions 7

Publication

1756-5.66 – May 1998

Prepare to Install the Module

Before

you install the module, make sure that you have these components.

1756-DNB

module

1756-P

A72 or 1756-PB72

power supply

1756-A4, 1756-A7, 1756-A10, or

1756-A13 chassis

small screwdriver

DeviceNet open-style

5- or 10-position connector

DeviceNet trunk

or drop cable

AB Parts

ControlLogix DeviceNet Scanner Module Installation Instructions8

Publication 1756-5.66 – May 1998

Prepare the Chassis for Module Installation

Before you install the module, you must install and connect a ControlLogix

chassis and power supply

. To install these products, refer to the installation

instructions you received with them.

20805-M

Power

supply

Chassis

Install or Remove the Module

This

module is designed to be installed or removed while chassis power is applied.

!ATTENTION: When you insert or remove a module while

backplane power is on, an electrical arc may occur. An electrical

arc can cause personal injury or property damage by:

•

sending an erroneous signal to your system’

s field

device causing unintended machine motion or loss of

process control

•

causing an explosion in a hazardous environment

Repeated electrical arcing causes excessive wear to contacts on

both the module and its mating connector

. W

orn contacts may

create electrical resistance that can af

fect module operation.

ControlLogix DeviceNet Scanner Module Installation Instructions 9

Publication

1756-5.66 – May 1998

Determine Module Slot Location

This

example shows chassis slot numbering in a 4-slot chassis. Slot 0 is the first

slot and is always located to the right of the power supply. Y

ou can use any size

ControlLogix chassis and install the module in any slot.

Slot 0 Slot 2

Slot 1 Slot 3

Power Supply

Chassis

You

can use multiple 1756-DNB modules in the same chassis. Y

ou can use as

many 1756-DNB modules as your power supply can accommodate (i.e., number

for which the power supply is rated).

AB Parts

ControlLogix DeviceNet Scanner Module Installation Instructions10

Publication 1756-5.66 – May 1998

Install the Module

Align the circuit board with top

and bottom guides in the chassis.

Slide the module into the chassis.

Make sure the module properly connects

to the chassis backplane.

The module is fully installed

when it is flush with the power

supply or other installed modules.

Circuit board

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