Allen-Bradley 1757-PIM Bedienungsanleitung

Publication 1757-IN900A-US-P - February 2000

Installation Instructions

ProcessLogix Pulse Input Module

Catalog no. 1757-PIM

This document tells you how to install the 1757-PIM (Pulse Input Module) into the

ProcessLogix™ System. For more specific information regarding the placement of

the 1757-PIM in non-redundant and redundant configurations, refer to the

ProcessLogix System Planning Guide in Knowledge Builder.

What is the Pulse Input Module?

The 1757-PIM (Pulse Input Module) is a new addition to the ProcessLogix Rack

I/O family.

The 1757-PIM is a single-wide I/O module that serves as the interface board

between the ProcessLogix controller and field transducers that provide pulse inputs.

Typically the 1757-PIM might be used to accept pulse inputs from:

•tachometers, to determine required speeds of rotation for motors, fans and

pumps

•flowmeters, to determine totalized process flows such as inputs to batch

dosing operations

The 1757-PIM provides up to eight input channels and two output channels. Each

of the eight channels has a 32-bit counter to perform pulse counting and frequency

calculation for signals up to 100 KHz. Six of the eight channels also have a second

32-bit timer counter for pulse period and pulse width measurements. The

remaining channels provide pulse counting and frequency calculations and have

associated outputs that can be used for fast cut-off applications. The 1757-PIM

provides channel-to-channel and terminal-to-backplane isolation.

The 1757-PIM uses the standard 36-pin terminal block and interfaces directly to

single-ended devices. The threshold level for each channel is software configurable

and selections are either LOW (approx. 3.25V typical) or HIGH (approx. 8.80V

typical) for a high-level voltage level. The 1757-PIM interfaces directly to 5 to 24V

signal values.

2ProcessLogix Pulse Input Module

Publication 1757-IN900A-US-P - February 2000

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 part,

without written permission of Rockwell Automation, is prohibited.

Throughout this manual we use notes to make you aware of safety considerations.

Attention statements help you to:

•identify a hazard

•avoid a hazard

•recognize the consequences

Allen-Bradley is a trademark of Rockwell Automation

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.

ProcessLogix Pulse Input Module 3

Publication 1757-IN900A-US-P - February 2000

Installing the Module

Follow the procedure below to install the module.

Making Field Wiring Connections

Refer to the following pinout/wiring diagram to wire the module.

Figure 1 Pinouts and Wiring Example

ATTENTION

This input module permits the field-side input device (switch)

to be located on either the hot or neutral side of the source,

unless the module’s shorting bar has been installed. In this

case, the input device must be installed on the hot side of the

source.

D

E

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This diagram illustrates how the eight transmitters will interface to the 36 Positions Terminal Block.

For instance, Transmitter 0 will be connected to Pins 1, 3 and 5 where:

•Pin 1 is the Signal

•Pin 3 is the Signal Common

•Pin 5 is the Chassis Ground Shield Connection

The Output Channel 0 will connect to Pins 33 and 35 and Output Channel 1 will connect to Pins 34

and 36.

4ProcessLogix Pulse Input Module

Publication 1757-IN900A-US-P - February 2000

Installing the Module in the Chassis

 Position the module at any slot in the chassis except for slot 0.

 Align the module’s circuit board with the top and bottom chassis guides.

 Slide the module into the chassis until the module tabs click into position

Configuring the Module

You can customize the 1757-PIM by changing its name, description, slot location,

MAC address, as well as Module, Channel, Status/Data and Server configuration

parameters. Perform the following steps to customize the 1757-PIM.

ProcessLogix Pulse Input Module 5

Publication 1757-IN900A-US-P - February 2000

 Access Control Builder.

 Add a new 1757-PIM from the library.

a. Open the Library and Project tree views.

b. In the Library tree view, click on the 1757-PIM icon and drag it to the

Project tree window.

 Right-click on the desired IOM instance on the Project tree window.

 Click on Configure Param. You see the Main, Module Configuration, Channel

Configuration, Status/Data and Server Parameters configuration tabs.

 Under the Main tab (see figure below), enter a Module Name that is more

meaningful to you than its default IOMxxx (xxx represents a pre-assigned

number).

6ProcessLogix Pulse Input Module

Publication 1757-IN900A-US-P - February 2000

 If desired, enter a Module Description to explain the function of the

1757-PIM (such as Test Strategy PIM). This is not a required field.

 Enter appropriate values for IOM Slot Number, Remote IO Chassis MAC

Address and CNI Slot Number. If necessary, press F1 to access on-line help

for assistance during this step.

 Use the following procedures to configure parameters on the remaining tabs

for the 1757-PIM, or click OK to accept only the changes made so far and

return to the Project tree.

 Under the Module Configuration tab (see figure below), enter desired values

for configuration parameters. If necessary, press F1 to access on-line help for

assistance during this step.

TIP

The only available choice is whether or not to select the

Alarming Enabled checkbox. Once the module has been

loaded and activated, additional parameters (such as Execution

State) may be configured on the Monitoring Tree window.

ProcessLogix Pulse Input Module 7

Publication 1757-IN900A-US-P - February 2000

 Continue with the following procedures to configure parameters on the

remaining tabs for the 1757-PIM, or click OK to accept only the changes

made so far and return to the Project tree.

 Under the Channel Configuration tab (see figure below), enter desired

values for configuration parameters. If necessary, press F1 to access on-line

help for assistance during this step.

8ProcessLogix Pulse Input Module

Publication 1757-IN900A-US-P - February 2000

 Continue with the following procedures to configure parameters on the

remaining tabs for the 1757-PIM, or click OK to accept only the changes

made so far and return to the Project tree.

 Under the Status/Data tab (see figure below), enter desired values for

configuration parameters. If necessary, press F1 to access on-line help for

assistance during this step.

ProcessLogix Pulse Input Module 9

Publication 1757-IN900A-US-P - February 2000

 Continue with the following procedures to configure parameters on the

remaining tabs for the 1757-PIM, or click OK to accept only the changes

made so far and return to the Project tree.

 Under the Server Parameters tab (see figure below), enter the appropriate

information such as filenames for desired display templates (Point Detail

Page, Group Detail Page and Associated Displays), along with values for

appropriate parameters such as for Control Level, Control Area, and EU

HI/EU LO parameters. If necessary, press F1 to access on-line help for

assistance during this step.

10 ProcessLogix Pulse Input Module

Publication 1757-IN900A-US-P - February 2000

 Click OK on the configuration form to accept all configuration selections

made on each configuration tab and to return to the Project tree.

For Technical Assistance

For technical assistance, call Rockwell Automation Technical Support at(440)

646-6800.

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