Allen-Bradley ControlNet PLC-5 User manual

Publication 1785-10.8 - October 1998

Quick Start

ControlNet PLC-5 Hot Backup System

(Including ControlNet PLC-5 Hot Backup Cartridge, Cat. No.

1785-CHBM)

The ControlNet PLC-5 backupsystem uses a pair of standard PLC-5/40 or

PLC-5/80 ControlNet processors, with I/O remotely connected to the

processors via ControlNet.

Note: For the ControlNet PLC-5 processors to operate in backup mode,

each processor must have the new ControlNet Backup Cartridge (Cat. No.

1785-CHBM) inserted into its EEPROM memory module slot.

UsingControlNet,thePLC-5processorscommunicatewitheachotherand

with ControlNet remote I/O to create a PLC-5 backup system that provides

high availability of control applications, where it is essential for continuity

in the process to be high.

This manual provides you with the information you need to get up and

running with your ControlNet PLC-5 backup system. For more detailed

information, refer to your ControlNet PLC-5 Hot Backup System User

Manual (publication 1785-6.5.24) and the ControlNet PLC-5

Programmable Controllers User Manual, phase 1.5 (publication

1785.6.5.22).

This document contains these sections:

Section Page

System Requirements 2

Installing the Hardware 3

Configuring Your Backup System 4

AB Parts

2ControlNet PLC-5 Hot Backup System

Publication 1785-10.8 - October 1998

System Requirements

This section describes the components of the basic ControlNet PLC-5

backup system.

Hardware

•two series F PLC-5 ControlNet processors (either 1785-L40C15/F or

1785-L80C15/F)

•two 1785-CHBM/A ControlNet backup cartridges (one for each

PLC-5 processor)

•two 1771 chassis (one for each PLC-5 processor)

•two 1771 power supplies (one for each chassis)

•one or more ControlNet I/O adapters (Cat. no. 1794 or 1771)

•ControlNet network cables, taps, and terminators for making

connections between the PLC-5 processors and the I/O adapters

•aPC with a 1784-KTCX15card,oralaptopcomputerwitha1784-PCC

card

•other ControlNet devices, including MMI (optional)

Software

•RSLogix 5 programming software

•RSNetWorx for ControlNet software (Release 1.80.xx or later)

•RSLinx gateway communication software (Release 2.00.97.30 or later)

•Hot Backup Configuration application software

ControlNet PLC-5 Hot Backup System 3

Publication 1785-10.8 - October 1998

Installing The Hardware

Follow these steps to install the required hardware for your backup system.

1. Set the ControlNet node address numbers for each of the PLC-5

processors.

The addresses must be consecutive, with the lower number being odd.

For example, a valid node address pair is 1 and 2. You can set the

ControlNet node address via the rotary switches on the top of each

processor.

2. Insert the ControlNet backup cartridge into the EEPROM slot of each

PLC-5 processor.

Note: If the ControlNet backup cartridge is not inserted into the

PLC-5 processor, that processor will operate as a normal, standalone

processor, and will not exhibit any of the necessary backup functions.

3. Install each PLC-5 processor into a separate 1771 chassis.

4. Install a power supply for each chassis, and connect to ac power.

5. Wire the ControlNet network to the PLC-5 processors and to the I/O

adapters being used for the backup system.

The network cabling may consist of single or redundant channels.

AB Parts

4ControlNet PLC-5 Hot Backup System

Publication 1785-10.8 - October 1998

Configuring Your Backup System

Before you begin, make sure that you have installed RSLinx, RSLogix5,

RSNetWorx, and the Hot Backup Configuration application software. For

assistance with installing any of these packages, refer to their respective

installation documentation.

You must complete the following steps to configure your backup system.

These steps assume that both processors are in the default memory state

(i.e., there is no program loaded).

1. Initialize the system.

2. Configure handshaking messages with RSNetWorx.

3. Configure I/O.

4. Create and configure the backup integer file.

5. Verify the backup system.

Initialize the System

To begin configuring your backup system, you must be sure that both

processors are in the initialized state. To do so:

1. Launch RSLogix 5.

2. Connect to the first processor.

3. Clear memory.

4. Assign a name to your project and save it.

5. Connect to the second processor, and repeat steps 3 and 4.

ControlNet PLC-5 Hot Backup System 5

Publication 1785-10.8 - October 1998

Configure Handshaking Messages With RSNetWorx

Within your backup system, you must use RSNetWorx to set up the send

and receive scheduled messages that allow handshaking to occur between

the two ControlNet PLC-5 processors that comprise your hot backup

system.

1. For each processor node of your backup system, you must create two

scheduled peer-to-peer messages; there must be one Send and one

Receive message for each. These messages must be exactly 5 words in

length.

2. Record the Send and Receive message numbers from the odd processor

node below:

Send message number: __________

Receive message number: __________

You will use these numbers later in the configuration process.

3. For the Requested Packet Interval (RPI), enter a value from 1 to 32,767.

This value must be no less than the NUT value, but no greater than 2

timestheNUT valueminus1. ThisvaluemustbethesameinbothPLC-

5 processors.

Configure I/O

Configure any adapters you have in your backup system by changing the

connection from the default setting of Exclusive Owner to a Redundant

connection.

Note: You must do this for BOTH processors.

Once you have changed the connection setting, you can save your

configuration. If the system is properly configured, the I/O LEDs on the

ControlNet PLC-5 processors will change from flashing red to solid green.

AB Parts

6ControlNet PLC-5 Hot Backup System

Publication 1785-10.8 - October 1998

Create and Configure the ControlNet Backup Integer File

1. Launch RSLogix 5.

2. Create an integer file with a length of exactly 200 words. Do this on

both processors.

3. Launch the Hot Backup Configuration application software.

4. Enter the odd node address of the pair of modules in your system.

5. Select the RSLinx Driver you are using to attach to the PLC-5

processors.

6. Click on the processor you wish to configure, and set the following:

•Backup File - This is the 200-word integer data file number created

in RSLogix 5 (e.g. N20).

•Send Message - Enter the message number of the Send Scheduled

Message from the odd node address. (Refer to the number you

recorded earlier.)

•Receive Message - Enter the message number of the Receive

ScheduledMessagefromtheoddnodeaddress. (Refertothenumber

you recorded earlier.)

Refer to the ControlNet PLC-5 Hot Backup System User Manual

(publication1785-6.5.24)forotheroptionsonhowtoconfigureyour

backup system. (Other options include synchronous/asynchronous

modes, crossloading, and equivalence checking.)

If your system is properly configured, the QUAL LED on both backup

cartridges should be yellow. Your backup system is ready.

ControlNet PLC-5 Hot Backup System 7

Publication 1785-10.8 - October 1998

Verify the Backup System

To verify your system:

1. Place the odd node keyswitch in Run mode.

ThePrimaryLEDonthe1785-CHBMcartridgeshouldturnsolidgreen.

2. Place the even node keyswitch in Run mode.

The QUAL LED on both 1785-CHBM cartridges should turn solid

green. The Secondary LED on the even node should be solid yellow.

You now have a running ControlNet Hot Backup system.

Specifications

The following table shows the specifications for memory modules..

Description: Value:

Memory Module 1785-CHBM

Capacity 100K words

Type Nonvolatile

Write Protection By removing the jumper

Weight 70.875 g

2.5 oz.

Environment Operating Temperature 0° to 60° C (32° to 140° F)

Storage Temperature -40° to 85° C (-40 to 185° F)

Relative Humidity 5% to 95% (without condensation)

Shock Testing Operating 15 g peak acceleration at 11 ms duration

Non-operating 3 g peak acceleration at 11 ms duration

Vibration Testing 2 g peak acceleration at 10-500 Hz

Agency Certification •CSA certified

•CSA Class I, Division2

Groups A, B, C, D

•UL listed

•CE marked for all applicable directives

AB Parts

8ControlNet PLC-5 Hot Backup System

Publication 1785-10.8 - October 1998

European Union Directive Compliance

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 50081-2EMC - 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 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 these Allen-Bradley publications:

•Industrial Automation Wiring and Grounding Guidelines for Noise Immunity

(publication 1770-4.1)

•Guidelines for Handling Lithium Batteries (publication 1756-5.68)

•Automation Systems Catalog

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

enclosure during operation to provide safety protection.

ControlNet PLC-5 Hot Backup System 9

Publication 1785-10.8 - October 1998

CSA Hazardous Location Approval

CSA Hazardous Location Approval Approbation d’utilisation dans des

emplacements dangereux par la CSA

CSA certifies products for general use as well

as for use in hazardous locations. Actual CSA

certification is indicated by the product

label as shown below, and not by statements

in any user documentation.

La CSA certifie les produits d’utilisation

générale aussi bien que ceux qui s’utilisent

dans des emplacements dangereux. La

certification CSA en vigueur est indiquée

par l’étiquette du produit et non par des

affirmations dans la documentation à l’usage

des utilisateurs.

Example of the CSA certification product label Exemple d’étiquette de certification d’un

produit par la CSA

To comply with CSA certification for use in

hazardous locations, the following information

becomes a part of the product literature for

CSA-certified Allen-Bradley industrial control

products.

•This equipment is suitable for use in Class I,

Division 2,

Groups A, B, C, D, or non-hazardous

locations only.

•The products having the appropriate CSA

markings (that is, Class I Division 2, Groups

A, B, C, D), are certified for use in other

equipment where the suitability of

combination (that is, application or use) is

determined by the CSA or the local

inspection office having jurisdiction.

Pour satisfaire à la certification de la CSA dans

des endroits dangereux, les informations

suivantes font partie intégrante de la

documentation des produits industriels de

contrôle Allen-Bradley certifiés par la CSA.

•Cet équipement convient à l’utilisation dans

des emplacements de Classe I, Division 2,

Groupes A, B, C, D, ou ne convient qu’à

l’utilisation dans des endroits non

dangereux.

•Les produits portant le marquage approprié

de la CSA (c’est à dire, Classe I, Division 2,

Groupes A, B, C, D) sont certifiés à

l’utilisation pour d’autres équipements où la

convenance de combinaison (application ou

utilisation) est déterminée par la CSA ou le

bureau local d’inspection qualifié.

Important: Due to the modular nature of a PLC

control system, the product with the highest

temperature rating determines the overall

temperature code rating of a PLC control

system in a Class I, Division 2 location. The

temperature code rating is marked on the

product label

as shown.

Important: Par suite de la nature modulaire du

système de contrôle PLC), le produit ayant le

taux le plus élevé de température détermine le

taux d’ensemble du code de température du

système de contrôle d’un PLC dans un

emplacement de Classe I, Division 2. Le taux

du code de température est indiqué sur

l’étiquette du produit.

CL I, DIV 2

GP A,B,C,D

TEMP CL I, DIV 2

GP A,B,C,D

TEMP

AB Parts

10 ControlNet PLC-5 Hot Backup System

Publication 1785-10.8 - October 1998

The following warnings apply to products

having CSA certification for use in hazardous

locations.

Les avertissements suivants s’appliquent aux

produits ayant la certification CSA pour leur

utilisation dans des emplacements dangereux.

ATTENTION: Explosion hazard

•Substitution of components may impair

suitability for Class I, Division 2.

•Do not replace components unless power

has been switched off or the area is known

to be non-hazardous.

•Do not disconnect equipment unless power

has been switched off or the area is known

to be non-hazardous.

•Do not disconnect connectors unless power

has been switched off or the area is known

to be non-hazardous. Secure any user-

supplied connectors that mate to external

circuits on an Allen-Bradley product using

screws, sliding latches, threaded

connectors, or other means such that any

connection can withstand a 15 Newton (3.4

lb.) separating force applied for a minimum

of one minute.

AVERTISSEMENT: Risque

d’explosion

•La substitution de composants peut rendre

ce matériel inacceptable pour

lesemplacements de Classe I, Division 2.

•Couper le courant ou s’assurer

quel’emplacement est désigné non

dangereux avant de remplacer

lescomposants.

•Avant de débrancher l’équipement, couper

le courant ou s’assurer que l’emplacement

est désigné non dangereux.

Avant de débrancher les connecteurs, couper

le courant ou s’assurer que l’emplacement est

reconnu non dangereux. Attacher tous

connecteurs fournis par l’utilisateur et reliés

aux circuits externes d’un appareil Allen-

Bradley à l ’aide de vis, loquets coulissants,

connecteurs filetés ou autres moyens

permettant aux connexions de résister à une

force de séparation de 15 newtons (3,4 lb. -

1,5 kg) appliquée pendant au moins une

minute.

CSA Hazardous Location Approval Approbation d’utilisation dans des

emplacements dangereux par la CSA

CL I, DIV 2

GP A,B,C,D

TEMP Look for temperature

code rating here.

CL I, DIV 2

GP A,B,C,D

TEMP

Le code de température

est indiqué ici.

! !

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