Allen-Bradley SLC 500 1746-NI4 Bedienungsanleitung

Publication 1746-IN008A-US-P

Installation Instruction

SLC 500™ 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............................................................. 13

Wiring the Analog Module...................................................... 15

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

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

Specifications.......................................................................... 22

Allen-Bradley HMIs

2SLC 500™ Analog I/O Modules

Publication 1746-IN008A-US-P

Important User Information

Because of the variety of uses for the products described in this publication, those

responsible for the application and use of this control equipment must satisfy

themselves that all necessary steps have been taken to assure that each

application and use meets all performance and safety requirements, including any

applicable laws, regulations, codes and standards.

The illustrations, charts, sample programs and layout examples shown in this

guide are intended solely for purposes of example. Since there are many

variables and requirements associated with any particular installation,

Allen-Bradley does not assume responsibility or liability (to include intellectual

property liability) for actual use based upon the examples shown in this

publication.

Allen-Bradley publication SGI-1.1, Safety Guidelines for the Application,

Installation, and Maintenance of Solid-State Control (available from your local

Allen-Bradley office), describes some important differences between solid-state

equipment and electromechanical devices that should be taken into consideration

when applying products such as those described in this publication.

Reproduction of the contents of this copyrighted publication, in whole or in part,

without written permission of Allen-Bradley Company, Inc., is prohibited.

Throughout these installation instructions we use notes to make you aware of

safety considerations:

Attention statements help you to:

• identify a hazard

• avoid the hazard

• recognize the consequences

ATTENTION

Identifies information about practices or circumstances that

can 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.

SLC 500™ Analog I/O Modules 3

Publication 1746-IN008A-US-P

For More Information

As part of our effort to preserve, protect, and improve our environment,

Allen-Bradley is reducing the amount of paper we use. Less paper means more

options for you. In addition to traditional printed publications and CD-ROM

versions, we now offer on–line manuals with the most up-to-date information

you can get. We recommend that you read the related publications listed below

before starting up your control system.

Related 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)

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 1746-6.4

A more detailed description on how to

install and use your modular SLC 500

system.

SLC 500 Modular Hardware

Style Installation and

Operation Manual

1747-6.2

A reference manual that contains status file

data, instruction set, and troubleshooting

information.

SLC 500 and MicroLogix

1000 Instruction Set

Reference Manual

1747-6.15

A CD-ROM containing the three manuals

listed above, plus the:

• Discrete I/O Modules Installation

Instructions

• Discrete I/O Modules Product Data

SLC 500 Literature

Collection on CD-ROM 1747-CD1-1

Allen-Bradley HMIs

4SLC 500™ Analog I/O Modules

Publication 1746-IN008A-US-P

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 four current outputs. The NO4V module contains

four voltage outputs. Both of these modules support a variety of monitoring and

controlling applications.

1746-NIO4I and NIO4V Analog Combination Modules

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

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

two current or voltage inputs (user selectable per channel) and two current

outputs. The 1746-NIO4V module contains two current or voltage inputs (user

selectable per channel) and two 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.

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.

SLC 500™ Analog I/O Modules 5

Publication 1746-IN008A-US-P

Analog Input A/D Characteristics

Analog Output D/A Characteristics

The analog modules have the same output characteristics.

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

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 mV/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 mA/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

Allen-Bradley HMIs

6SLC 500™ Analog I/O Modules

Publication 1746-IN008A-US-P

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

Function Label

SLC 500™ Analog I/O Modules 7

Publication 1746-IN008A-US-P

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).

MISE EN

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.

Allen-Bradley HMIs

8SLC 500™ Analog I/O Modules

Publication 1746-IN008A-US-P

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 Installation and Operation Manual, publication 1747-6.2.

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

SLC 500™ Analog I/O Modules 9

Publication 1746-IN008A-US-P

Determining Your Power Requirements for a Fixed

Controller

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.

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 1746-6.4

for valid combinations of modules.

ATTENTION

Care should be taken to avoid connecting a voltage source 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

Allen-Bradley HMIs

10 SLC 500™ Analog I/O Modules

Publication 1746-IN008A-US-P

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

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