Allen-Bradley 1747-ASB Manual de usuario

Publication 1747-IN014C-EN-P - January 2003

Installation Instructions

Remote I/O Adapter Module

(Catalog Number 1747-ASB)

Inside ................................................................................................page

Hazardous Location Considerations .........................................................2

Environnements dangereux ......................................................................2

1747-ASB Module Overview ....................................................................3

Required Tools and Equipment .................................................................4

Determining System Power Requirements...............................................4

Slot Addressing.........................................................................................5

Configuring the Module ............................................................................6

Installing the Module..............................................................................10

Connecting RIO Link Devices ..................................................................11

Wiring a Processor Restart Lockout Switch ...........................................14

Installing I/O Module Addressing Labels ...............................................15

Performing System Start-up ...................................................................17

Checking Operation.................................................................................17

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

For More Information ..............................................................................19

2Remote I/O Adapter Module

Publication 1747-IN014C-EN-P - January 2003

Hazardous Location Considerations

This equipment is suitable for use in Class I, Division 2, Groups A, B, C, D or

non-hazardous locations only. The following WARNING statement applies to use in

hazardous locations.

Environnements dangereux

Cet équipement est conçu pour être utilisé dans des environnements de Classe I,

Division 2, Groupes A, B, C, D ou non dangereux. La mise en garde suivante

s’applique à une utilisation dans des environnements dangereux.

WARNING

EXPLOSION HAZARD

•Substitution of components may impair suitability for Class

I, Division 2.

•Do not replace components or disconnect equipment

unless power has been switched off or the area is known to

be non-hazardous.

•Do not connect or disconnect components unless power

has been switched off or the area is known to be

non-hazardous.

•All wiring must comply with N.E.C. article 501-4(b).

AVERTISSEMENT

DANGER D’EXPLOSION

•La substitution de composants peut rendre cet équipement

impropre àune utilisation en environnement de Classe I,

Division 2.

•Ne pas remplacer de composants ou déconnecter

l'équipement sans s'être assuréque l'alimentation est

coupée.

•Ne pas connecter ou déconnecter des composants sans

s'être assuréque l'alimentation est coupée.

Remote I/O Adapter Module 3

Publication 1747-IN014C-EN-P - January 2003

1747-ASB Module Overview

The 1747-ASB module is an SLC 500 single-slot, RIO communication link module. It

occupies the first slot (slot 0) of a 1746 remote chassis, where the SLC processor

normally resides.

The 1747-ASB module is an adapter, or slave, on the RIO link, and the master of the

remote chassis and remote expansion chassis in which it is installed. Remote

expansion chassis are optional. The module acts as a gateway between the scanner

and the I/O modules residing in the remote chassis and remote expansion chassis.

It maps the image of the I/O modules in its remote chassis and remote expansion

chassis directly to the SLC or PLC processor image.

Output data is sent from the scanner of either the SLC or PLC local chassis to the

1747-ASB module across the RIO link. This data is automatically transferred to the

output modules across the chassis backplane by the 1747-ASB module. Inputs from

the input modules are collected via the backplane by the 1747-ASB module and

sent back to the scanner across the RIO link. No user programming of the 1747-ASB

module is necessary.

Supervisory SLC (or PLC)

RIO Link

Outputs to

Modules

Inputs from

Modules

1747-ASB Module

Remote Chassis Remote Expansion Chassis

1747-ASB Module

Remote Chassis

1747-ASB Module

Remote Chassis Remote Expansion Chassis

4Remote I/O Adapter Module

Publication 1747-IN014C-EN-P - January 2003

Hardware Features

Required Tools and Equipment

Have the following tools and equipment ready:

•medium blade screwdriver

•(2) 1/2 watt terminating resistors (See page 18 for correct size.)

•an adequate length of RIO communication cable (Belden™9463) for your

specific application. (See page 18 for maximum cable distances.)

Determining System Power Requirements

Review the power requirements of your system to ensure that the chassis supports

placement of the 1747-ASB module. The adapter consumes 600 mA at 5V dc. For a

detailed list of device load currents, refer to the SLC 500 Fixed Hardware Style

Installation and Operation Manual, publication number 1747-6.21; the SLC 500

Modular Hardware Style User Manual, publication number 1747-UM011, or the

appropriate Technical Data sheet.

FOR HAZ. LOC. A196

SLC 500

CAT SER

SERIAL NO. FRN

ADAPTER

1 2 3 7 8

SW1

1 2 3 7 8

SW2

1 2 3 546

546

SW3

IMPORTANT :

INST ALL IN SLOT ZERO OF MODULAR CHASSIS ONL Y

REMOTE I/O ADAPTER MODULE

F AC 1M MADE IN USA

CURRENT REQUIREMENT : 375mA

LISTED IND. CONT . EQ.

CLASS 1, GROUPS A, B, C AND D, DIV . 2

OPERATING

TEMPERATURE

CODE T3C

1 23 45 6 7 8

SW1

1 2 3 4 5 6 7 8

SW2

1 2 3 456 7 8

SW3

LINE 1

SHLD

LINE 2

RET

(MSB)

LOGICAL

RACK

(LSB)

LOGICAL

GROUP

BAUD

RA TE

PRI/COMP

RSV

(MSB)

(LSB)

IMAGE

SIZE

HLS

PRL

RESP

LAST CHA

ADDR

MODE

SP MODE

KEY

1747-ASB

ST A TUS

COMM F AUL T

FAULT LED

(Red)

COMM LED

(Green)

Status

Display

Door

Label

Cable Tie Slots Self-Locking Tab

DIP Switches

Manufacturing

Test Plug

RIO Link and

Processor

Restart

Lockout

Connector

Remote I/O Adapter Module 5

Publication 1747-IN014C-EN-P - January 2003

Slot Addressing

Slot Numbering

The 1747-ASB module is capable of controlling 30 slots. When expansion chassis

are used, the 1747-ASB module treats all of the I/O modules as if they are installed

in a single chassis.

The remote chassis and remote expansion chassis slots are numbered from 0 to 30.

The 1747-ASB module must reside in slot 0. Slots numbered 31 and above cannot

be used.

Addressing I/O Modules

SLC and PLC processors address the I/O modules residing in the chassis by logical

rack and logical group. Slot addressing refers to how each chassis slot is assigned a

specific amount of the 1747-ASB module image. The amount depends on which

type of slot addressing you choose; 2-slot, 1-slot, and 1/2-slot addressing is

available, as shown below.

IMPORTANT Installing modules in slot 31 or above results in a module error.

IMPORTANT Due to SLC and PLC addressing differences, when the 1747-ASB

module is used with an SLC processor, the image bit numbers are

0 to 7, 8 to 15 decimal. When the 1747-ASB module is used with

a PLC processor, the image bit numbers are 0 to 7, 10 to 17 octal.

6Remote I/O Adapter Module

Publication 1747-IN014C-EN-P - January 2003

For more information on addressing, refer to the Remote I/O Adapter Module User

Manual, publication number 1747-6.13.

Configuring the Module

The 1747-ASB module parameters are configured by three DIP switches, shown

below.

2-Slot

Addressing

Input Image Output Image

Two slots are addressed as one logical group.

1-Slot

Addressing

Input Image Output Image

One slot is addressed as one logical group.

1/2-Slot

Addressing

Input Image Output Image

One slot is addressed as two logical groups.

Slot Slot Slot Slot

Slot Slot

SLC 500

CAT SER

SERIAL NO. FRN

1 2 345678

SW1

1 2 345678

SW2

1 2 345678

SW3

IMPORTANT :

INST ALL IN SLOT ZERO OF MODULAR CHASSIS ONLY

REMOTE I/O ADAPTER MODULE

F AC 1M MADE IN USA

CURRENT REQUIREMENT : 375mA

LISTED IND. CONT . EQ.

FOR HAZ. LOC. A196

CLASS 1, GROUPS A, B, C AND D, DIV . 2

OPERATING

TEMPERATURE

CODE T3C

DIP Switches

Remote I/O Adapter Module 7

Publication 1747-IN014C-EN-P - January 2003

Configuration Parameters

The DIP switches allow you to configure the following items:

•Starting Logical Rack Number (Logical Rack) - is the 1747-ASB module’s

starting logical rack number in the scanner’s image.

•Starting Logical Group Number (Logical Group) - is the 1747-ASB

module’s starting logical group number within the scanner’s image.

•Baud Rate (Baud Rate) - is the 1747-ASB module’s RIO link communication

rate. The baud rate must be the same for all adapters on the RIO link.

•Primary/Complementary SLC Chassis (PRI/COMP) - determines

whether the 1747-ASB module appears to the scanner as a primary or

complementary chassis.

•Adapter Image Size (IMAGE SIZE) - indicates the I/O image size to be

reserved for the adapter. It can be any size between 2 and 32 groups in

2 logical group increments.

•Hold Last State (HLS) - determines whether the discrete output modules

are held in their last state when:

–RIO link communication with the 1747-ASB module is lost.

–The scanner inhibits the 1747-ASB module.

–The scanner sends Reset, Adapter Decide commands to the 1747-ASB

module.

•Processor Restart Lockout (PRL) - determines whether the 1747-ASB

module automatically resumes RIO link communications if communication is

lost and then restored.

•Link Response Time (RESP) - selects restricted or unrestricted RIO link

response time.

•Last Chassis/PLC-3 Backup (LAST CHA) - When the 1747-ASB module is

used with a PLC-2 or PLC-5, this switch indicates to the scanner that the

1747-ASB module is the last adapter mapped into the 1747-ASB module’s

highest logical rack. When using a PLC-3 processor, the switch determines

whether the 1747-ASB module supports the PLC-3 backup function.

•Addressing Mode (ADDR MODE) - determines the 1747-ASB module’s

remote chassis and remote expansion chassis addressing mode. 2-slot,

1-slot, and 1/2-slot are available.

•Specialty I/O Mode (SP MODE) - determines whether the 1747-ASB

module discretely maps or block transfer maps specialty I/O modules in its

remote chassis and remote expansion chassis.

•I/O Module Keying (KEY) - determines if the 1747-ASB module saves its

current I/O module and DIP switch configuration to its non-volatile memory,

or if the 1747-ASB module compares the current I/O module and DIP switch

configuration to the one saved in its non-volatile memory.

8Remote I/O Adapter Module

Publication 1747-IN014C-EN-P - January 2003

Dip Switch Settings

IMPORTANT The ASB module can be configured as any logical rack number

from 0 to 77 octal. Rack numbers are determined by setting

switches SW1-1 through SW1-6, with ON equivalent to logical 0

and OFF equivalent to logical 1. Then, interpret this 6-bit binary

value as octal with SW1-6 as the least significant bit (LSB). For

example:

SW1-1 SW1-2 SW1-3 SW1-4 SW1-5 SW1-6 Rack

ON OFF ON ON ON OFF 21 (octal)

17 (decimal)

(0) (1) (0) (0) (0) (1)

2456783

SW1

Logical Rack Number Bit 5

(Most Significant Bit)

Logical Rack Number Bit 4

Logical Rack Number Bit 3

Logical Rack Number Bit 2

Logical Rack Number Bit 1

Logical Rack Number Bit 0 (LSB)

Logical Group Number Bit 1 (MSB)

Logical Group Number Bit 0

(Least Significant Bit)

Local Rack Number

ON = 0 OFF = 1

Local Group Number

78Group

ON ON 0 (default)

ON OFF 2

OFF ON 4

OFF OFF 6

Remote I/O Adapter Module 9

Publication 1747-IN014C-EN-P - January 2003

IMPORTANT If you are not using complementary I/O, you must set SW2-3 to

the OFF, or complementary, position.

2456783

SW2

Baud Rate Bit 1 (MSB)

Baud Rate Bit 0 (LSB)

Primary/Complementary Chassis

Reserved

ASB Module Image Size Bit 3 (MSB)

ASB Module Image Size Bit 2

ASB Module Image Size Bit 1

ASB Module Image Size Bit 0

Baud Rate

SW2-1 SW2-2 Baud Rate

ON ON 57.6K (default)

ON OFF 115.2K

OFF ON 230.4K

OFF OFF INVALID

Primary/Complementary Chassis

ON Primary

OFF Complementary

1747-ASB Module Image Size

5 6 7 8 Groups

ON ON ON ON 2

ON ON ON OFF 4

ON ON OFF ON 6

ON ON OFF OFF 8

ON OFF ON ON 10

ON OFF ON OFF 12

ON OFF OFF ON 14

ON OFF OFF OFF 16

OFF ON ON ON 18

OFF ON ON OFF 20

OFF ON OFF ON 22

OFF ON OFF OFF 24

OFF OFF ON ON 26

OFF OFF ON OFF 28

OFF OFF OFF ON 30

OFF OFF OFF OFF 32

10 Remote I/O Adapter Module

Publication 1747-IN014C-EN-P - January 2003

Installing the Module

1. Make sure system power is off.

ATTENTION

Disconnect power before attempting to install or remove the

module.

2456783

SW3

Hold Last State

Processor Restart Lockout

Link Response

Last Chassis/PLC-3 Backup

Addressing Mode Bit 1 (MSB)

Addressing Mode Bit 0 (LSB)

Specialty I/O Mode

I/O Module Keying

Hold Last State

ON Hold Last State

OFF Do not Hold Last State (default)

Processor Restart Lockout

(after lost communications)

ON Automatic Restart (default)

OFF Processor Lockout

Last Chassis

ON Not Last Chassis (default)

OFF Last Chassis

Specialty I/O Mode

ON Discrete (default)

OFF Block Transfer

I/O Module Keying

ON Save Mode (default)

OFF Check Mode

Link Response

ON Restricted (default)

OFF Unrestricted

Addressing Mode

ON ON Invalid

ON OFF 1-slot Addressing (default)

OFF ON 1/2-slot Addressing

OFF OFF 2-slot Addressing

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