FLEX IO 4 Channel Pulse Counter Modules User Manual

User Manual

FLEX I/O

4 Channel Pulse Counter Module

(Cat.No.1794?IP4SeriesB)

Allen?Brad ley

Using This Manual P–2

Publication1794?UM016B-EN-P-August2002We use these conventions in this manual:

topic in another manual

Using This Manual P–4

Publication1794?UM016B-EN-P-August2002

Publication 1794?UM016B-EN-P -August 2002

Chapter 1

What This Chapter Contains 1-1.............................How You Use the

Pulse Counter Module 1-1..............................What the Pulse Counter Module Does 1-3......................Typical Applications 1-4...................................Input Capabilities 1-4.....................................Variables 1-4.........................................Select Type of Measurement 1-4........................Start Period Time Measurement 1-5......................Check if the Measurement is Complete 1-5.................Select Clock Frequency 1-5............................Select Number of Periods 1-6...........................Chapter Summary 1-6

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Chapter 2

What This Chapter Contains 2-1.............................Before You Install Your Input Module 2-1.......................European Union Directive Compliance 2-1......................EMC Directive 2-1.....................................Low Voltage Directive 2-2................................Power Requirements 2-2

..................................Wiring the Terminal Base Units (1794?TB3G shown)2-3........Installing the Module 2-4..................................Mounting the Terminal Base Unit on a DIN Rail 2-4.............Panel/Wall Mounting 2-6................................Mounting the Pulse Counter Module on the Terminal Base Unit 2-7..Connecting Wiring for Your Pulse Counter Module 2-9.............Wiring to a 1794?TBN or ?TBNF Terminal Base Unit 2-11..........Wiring connections for the 1794-IP4Pulse Counter Module 2-12....Example of 16-bit Period Time Measurement and 16-bit Accumulating Pulse Counter Wiring (4channels)2-13....................Example of 32-bit Period Time Measurement Wiring (4channels)2-13Module Indicators 2-14....................................Chapter Summary 2-14

....................................Chapter 3

What This Chapter Contains 3-1.............................Enter Block Transfer Instructions 3-1..........................PLC?2Family Processor 3-2..............................PLC?5Family Processor 3-2..............................SLC?5Programming 3-3..................................Chapter Summary 3-8

....................................

Table of Contents

Overview of the Pulse Counter Module

How to Install Your Pulse Counter Module

Programming Your Pulse Counter Module

Table of Contents ii

Publication1794?UM016B-EN-P-August2002Chapter4

What This Chapter Contains4-1

............................. Configuring Your Pulse Counter Module4-1

..................... Reading Data From Your Module4-2

......................... Mapping Data for the Module4-2

............................ Pulse Counter Module(1794?IP4)Image Table Mapping4-2

.......

Block Transfer Read Word Assignments for the Pulse Counter Module (1794?IP4)4-3

...................................

Bit/Word Definitions for Block Transfer Read Words for the

Pulse Counter Module4-3

...........................

Block Transfer Write Word Assignments for the Pulse

Counter Module4-4

...............................

Bit/Word Definitions for the Block Transfer Write Words for the Pulse Counter Module4-4

............................... Chapter Summary4-5

....................................

Chapter5

What This Chapter Contains5-1

............................. About DeviceNetManager Software5-1

........................ Polled I/O Structure5-1

................................... Adapter Input Status Word5-2

............................ System Throughput5-3

................................... Mapping Data into the Image Table5-3

........................ Pulse Counter Module(1794?IP4)Image Table Mapping5-3

.......

Block Transfer Read Word Assignments for the Pulse Counter Module(1794?IP4)5-4

.............................

Block Transfer Write Word Assignments for the Pulse

Counter Module5-4

...............................

Bit/Word Definitions for the Pulse Counter Module5-4

......... Defaults5-7 ...........................................

Chapter6

Chapter Objectives6-1

................................... About the ControlNet Adapter6-1

............................ Communication Over the FLEX I/O Backplane6-1

................ Scheduled Data?Transfer6-2

............................. Unscheduled Data?Transfer6-2

........................... Module I/O Mapping6-2

.................................

I/O Structure6-3 ........................................ Adapter Input Status Word6-3

............................ Safe State Data6-4 ......................................

Device Actions6-4 ...................................... Communication Fault Behavior6-5

.........................

Idle State Behavior6-5

................................. Input Data Behavior upon Module Removal6-5

................

Writing Configuration to and Reading Status from Your Module with a Remote I/O Adapter

How Communication Takes Place and I/O Image Table Mapping with the DeviceNet Adapter

Input,Output and Configuration Files for Analog Modules when used with ControlNet

Table of Contents iii

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Pulse Counter Module (1794?IP4)Image Table Mapping 6-6.......Bit/WordDefinitions for Block Transfer ReadWord s for the Pulse Counter Module 6-6

...........................

Chapter 7

What This Chapter Contains 7-1.............................Status Indicators 7-1.....................................What's Next 7-1

........................................

Chapter 8

Specifications A-1

.......................................

Troubleshoot the Pulse Counter Module

Specifications

Table of Contents

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