AB Quality SLC 500 Manual de usuario

Publication 1746-IN008C-EN-P - May 2004

Installation Instructions

SLC™ 500 4-Channel Analog I/O Modules

(Catalog Numbers 1746-NI4, -NIO4I, -NIO4V, -NO4I, -NO4V, -FIO4I, and

-FIO4V)

Inside… ........................................................................................... page

Important User Information...................................................................... 2

For More Information ............................................................................. 3

Types of Analog Modules....................................................................... 4

Hazardous Location Considerations....................................................... 7

Environnements dangereux.................................................................... 7

Choosing a Slot in the Chassis............................................................. 10

Installing Your Module ......................................................................... 11

Wiring Considerations.......................................................................... 12

Wiring the Analog Module................................................................... 14

Labeling and Installing the Terminal Block .......................................... 16

Minimizing Electrical Noise on Analog Modules................................. 17

Specifications....................................................................................... 21

@JO$&/QQE@JO$&/QQE ".".

2SLC™ 500 4-Channel Analog I/O Modules

Publication 1746-IN008C-EN-P - May 2004

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

@JO$&/QQE@JO$&/QQE ".".

SLC™ 500 4-Channel Analog I/O Modules 3

Publication 1746-IN008C-EN-P - May 2004

For More Information

Related Publications

If you would like a manual, you can:

•download an electronic version from the internet:

www.theautomationbookstore.com

•order a printed manual by:

–contacting your local distributor or Rockwell Automation representative

–visiting www.theautomationbookstore.com

and placing your order

–calling 1.800.963.9548 (USA/Canada) or 001.330.725.1574 (Outside

USA/Canada)

For Refer to this Document Pub. No.

A more detailed description on how to configure the

SLC 500 Analog I/O Modules.

SLC 500 Analog I/O Modules User

Manual

1746-UM005

A more detailed description on how to install and

integrate SLC 500 Fast Analog I/O Modules.

SLC 500 Fast Analog I/O Modules

User Manual

1746-6.9

A more detailed description on how to install and use

your modular SLC 500 system.

SLC 500 Modular Hardware Style

User Manual

1747-UM011

A reference manual that contains status file data,

instruction set, and troubleshooting information.

SLC 500 Instruction Set Reference

Manual

1747-RM001

@JO$&/QQE@JO$&/QQE ".".

4SLC™ 500 4-Channel Analog I/O Modules

Publication 1746-IN008C-EN-P - May 2004

Types of Analog Modules

1746-NI4 Analog Input Module

The NI4 Analog Input module contains 4 analog input channels that are user

selectable per channel for voltage or current to support a variety of monitoring and

controlling applications.

1746-NO4I and NO4V Analog Output Modules

The NO4I and NO4V Analog Output Modules provide 4 analog output channels.

The NO4I module contains 4 current outputs. The NO4V module contains 4 voltage

outputs. Both of these modules support a variety of control applications.

1746-NIO4I and NIO4V Analog Combination Modules

The NIO4I and NIO4V Analog Combination I/O modules provide 2 input and 2

output channels in a single-slot module. The 1746-NIO4I module contains 2 current

or voltage inputs (user selectable per channel) and 2 current outputs. The

1746-NIO4V module contains 2 current or voltage inputs (user selectable per

channel) and 2 voltage outputs.

1746-FIO4I and FIO4V Fast Analog Combination Modules

The FIO4I and FIO4V Fast Analog Combination modules are 2-input/2-output

combination modules ideal for high speed applications with more rapidly changing

analog signals. These fast response modules are best suited for control of pressure

and position in equipment such as hydraulic presses and molding machines.

@JO$&/QQE@JO$&/QQE ".".

SLC™ 500 4-Channel Analog I/O Modules 5

Publication 1746-IN008C-EN-P - May 2004

Analog Modules Operation

The module converts analog input signals to 16-bit binary values for storage in the

SLC processor’s input image table. The decimal range, number of significant bits,

and converter resolution depend on the input range that you use for the channel.

Analog Input A/D Characteristics

Analog Output D/A Characteristics

The analog modules have the same output characteristics.

NI4, NIO4I, & NIO4V Input

Range

Decimal Range (input

image table)

Number of

Significant Bits

Nominal Resolution

±10V dc -1 LSB -32,768 to +32,767 16 305.176 µV/LSB

0 to 10V dc -1 LSB 0 to 32,767 15

0 to 5V dc 0 to 16,384 14

1 to 5V dc 3,277 to 16,384 13.67

±20 mA ±16,384 15 1.22070 µA/LSB

0 to 20 mA 0 to 16,384 14

4 to 20 mA 3,277 to 16,384 13.67

FIO4I and FIO4V Input

Range

Decimal Range (input

image table)

Number of

Significant Bits

Nominal Resolution

0 to 10V dc -1 LSB 0 to 4095 12 2.4414 mV/LSB

0 to 5V dc 0 to 2047 11

1 to 5V dc 409 to 2047 10.67

0 to 20 mA 0 to 2047 11 9.7656 µA/LSB

4 to 20 mA 409 to 2047 10.67

Module Output Range Decimal Range (output

image table)

Significant Bits Resolution

FIO4I

NIO4I

NO4I

0 to 21 mA - 1 LSB 0 to 32,764 13 bits 2.56348 µA/LSB

0 to 20 mA 0 to 31,208 12.92 bits

4 to 20 mA 6,242 to 31,2089 12.6 bits

FIO4V

NIO4V

NO4V

±10V dc - 1 LSB -32,768 to +32,764 14 bits 1.22070 mV/LSB

0 to 10V dc -1 LSB 0 to 32,764 13 bits

0 to 5V dc 0 to 16,384 12 bits

1 to 5V dc 3,277 to 16,384 11.67 bits

@JO$&/QQE@JO$&/QQE ".".

6SLC™ 500 4-Channel Analog I/O Modules

Publication 1746-IN008C-EN-P - May 2004

Analog Module Hardware Features

The module contains a removable terminal block providing connection for the

analog input and/or output channels, which is specifically designed to interface

with analog current and voltage input signals. The channels can be wired as either

single-ended or differential inputs. There are DIP switches on the circuit board for

selecting voltage or current input.

Hardware Feature Function

Function Label Indicates input, output, or both.

Power Status LED Indicates when backplane power is applied to the module.

Removable Terminal Block Provides physical connection to input devices.

Door Label Permits easy terminal identification.

Door Protects terminal connections and label.

(5) ANL COM

(6) NOT USED

(7) OUT 0

(8) ANL COM

(9) NOT USED

(10) OUT 1

(11)ANL COM

ANALOG

POWER

OUTPUT INPUT

(4) IN 1±

(3) IN 1+

(2) ANL COM

(1) IN 0±

(1) IN 0+

Power Status LED

Door Label

Door

Removable Terminal Block

Function Label

@JO$&/QQE@JO$&/QQE ".".

SLC™ 500 4-Channel Analog I/O Modules 7

Publication 1746-IN008C-EN-P - May 2004

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 1,

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.

•Do not connect or disconnect components unless power

has been switched off.

•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 à une utilisation en

environnement de Classe 1, Division 2.

•Ne pas remplacer de composants ou déconnecter

l'équipement sans s'être assuré que l'alimentation est

coupée.

•Ne pas connecter ou déconnecter des composants sans

s'être assuré que l'alimentation est coupée.

@JO$&/QQE@JO$&/QQE ".".

8SLC™ 500 4-Channel Analog I/O Modules

Publication 1746-IN008C-EN-P - May 2004

Determining Your Power Requirements for a Modular Controller

Analog modules require both 5V dc and 24V dc power from the backplane of the

SLC 500 system. However, the NO4I and NO4V analog modules can use an external

24V dc power supply. This eliminates the 24V dc backplane power requirements,

providing configuration flexibility if SLC power supply loading is critical. These two

modules provide user-supplied external 24V dc power supply connections.

The following table shows the power requirements for each analog module using

backplane power. Use this table to calculate the total load on the modular system

power supply. For more information refer to the SLC 500 Modular Hardware Style

User Manual, publication 1747-UM011.

Determining Your Power Requirements for a Fixed Controller

IMPORTANT The analog modules do not supply loop power for the input

device. You must supply the appropriate loop power for

loop-powered input devices.

Catalog Number 5 Volt Current 24 Volt Current

1746-NI4 35 mA 85 mA

1746-NIO4I 55 mA 145 mA

1746-NIO4V 55 mA 115 mA

1746-NO4I 55 mA 195 mA(1) (2)

(1) The 24V dc user power connection on a fixed SLC 500 can power an NO4I or NO4V analog module. However, the regulation

of the 24V dc user connection on a modular SLC 500 power supply, catalog number 1746-P1, -P2, and -P4 is outside of the

requirements of the NO4I and NO4V analog modules and cannot be used.

(2) Omit these values from your SLC power supply loading calculations if you decide to use an external power supply.

1746-NO4V 55 mA 145 mA(1) (2)

1746-FIO4I 55 mA 150 mA

1746-FIO4V 55 mA 120 mA

IMPORTANT The 2-slot, SLC 500 fixed I/O expansion chassis (1746-A2) will

support only specific combinations of modules. If you wish to

use an I/O module in a 2-slot expansion chassis with another

SLC I/O or communication module, refer to the SLC 500

Analog I/O Modules User Manual, publication 1746-UM005 for

valid combinations of modules.

@JO$&/QQE@JO$&/QQE ".".

SLC™ 500 4-Channel Analog I/O Modules 9

Publication 1746-IN008C-EN-P - May 2004

Configuring Your Module

The NI4, NIO4I, NIO4V, FIO4I, and FIO4V analog modules have user-selectable

DIP switch settings, which allow you to configure the input channels as either

current or voltage inputs. The switches are located on the analog module board.

The following illustration shows the ON and OFF switch settings. Switch orientation

is also provided on the nameplate of the module.

Switch Settings for the 1746-NI4

The NI4 has 4 individual DIP switches that control the input mode of channels 0

through 3. A switch in the ON position configures the channel for current input. A

switch in the OFF position configures the channel for voltage input.

ATTENTION Care should be taken to avoid connecting a voltage source

without a current transmitter, etc. to a channel configured for

current input. Improper module operation or damage to the

module can occur.

ON - Configures channel for current input

OFF - Configures channel for voltage input

Switch 1 = Channel 0

Switch 2 = Channel 1

Switch 3 = Channel 2

Switch 4 = Channel 3

1234

Current

Voltage

@JO$&/QQE@JO$&/QQE ".".

10 SLC™ 500 4-Channel Analog I/O Modules

Publication 1746-IN008C-EN-P - May 2004

Switch Settings for the 1746-NIO4I, -NIO4V, -FIO4I, and -FIO4V

The NIO4I and NIO4V have 2 individual switches labeled 1 and 2. These switches

control the input mode of channel 0 and 1. A switch in the ON position configures

the channel for current input. A switch in the OFF position configures the channel

for voltage input.

External Power Switch for the 1746-NO4I and -NO4V

The NO4I and NO4V analog output modules have an external 24V dc power

switch, SW1, which gives you the option of using an external power supply. In the

UP position, power is drawn from an external power source. In the DOWN

position, power is drawn from the backplane of the module. The switch is located

on the analog module board. Switch orientation is also provided on the nameplate

of the module.

Choosing a Slot in the Chassis

Two factors determine where the analog module should be located in the chassis:

ambient temperature and electrical noise. Consider the following conditions when

selecting a slot for an analog module. Position the module:

•in a slot away from an ac or high voltage dc modules

•in the chassis closest to the bottom of the enclosure where the SLC 500

system is installed

•away from the chassis power supply if installed in a modular system

Switch 1 = Channel 0

Switch 2 = Channel 1

Current

Voltage

External

Backplane

24V dc

Power

Selector

SW1

@JO$&/QQE@JO$&/QQE ".".

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