Rockwell-automation 1794-OB16D FLEX I/O Diagnostic Modules User Manual Manual de usuario descargar pdf (Pagina 26)

Publication 1794-UM061A-EN-P - July 2006

24 About the FLEX I/O Diagnostic Input Module

Module Limitations

Input Voltage Derating

You must derate the input voltage applied to each input channel, based on

operating ambient temperature, to keep module power dissipation within an

acceptable level.

Sensor-Power Derating

You must derate the allowable current from each channel sensor-power port

based on operating ambient temperature to keep module power dissipation to

an acceptable level.

20 30 40 50 55

31.2

26.4

Ambient Temperature

(0°C)

Input

Voltage

(V)

Sensor

Power

Current

(mA)

Ambient Temperature (° C)

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 131 132

FLEX I/O Diagnostic Modules 1
Important User Information 2
Table of Contents 3
Table of Contents iv 4
Appendix A 5
Appendix B 5
Digital Modules 5
Table of Contents vi 6
Purpose of This Manual 7
Important Warnings and 7
Cautions 7
Hazardous Location approved 9
Related Products and 10
Documentation 10
Preface 9 11
10 Preface 12
Preface 11 13
12 Preface 14
Overview 15
Network Compatibility 16
Output Module 18
Base Units) 20
Introduction 21
About the 1794-IB16D 21
Diagnostic Input Module 21
Input Channels 0-15 22
Diagnostic Fault Detection 23
Indicator Status 25
Information 25
Module Limitations 26
Unused Sensor Power Ports 27
Configure Your Diagnostic 28
Input Module 28
About the 1794-OB16D 29
Diagnostic Output Module 29
(1794-TB3 shown) 30
Module Protection 32
Functions 32
Indicator Status Information 33
Configure Your Output 34
Diagnostic Module 34
Remote I/O Network 35
Add a 1756-DHRIO Module 36
ATTENTION 38
Add a 1794 Remote Adapter 39
Configure Digital Modules 42
Create a Block Transfer 44
(Read or Write) Message 44
Instruction 44
Ladder Logic Examples 48
DeviceNet Network 49
Bandwidth 50
Determine the Address of 54
DeviceNet Data 54
Tally Memory 56
Requirements 56
Configuration 57
Offline 57
Set the Address of the 58
Select a 61
Communication Format 61
Ownership 66
Add Local and Remote 67
ControlNet Modules 67
Add Distributed I/O 68
Download the Program to 70
Configure the 1794-ACN15 71
Schedule I/O Module 72
Connections 72
6. Click OK 73
File and Save 73
Access Module Data via 77
Change Configuration Data 79
EtherNet/IP Network 83
Set Up the Hardware 84
Select a Requested Packet 84
Interval (RPI) 84
Select a Communication 85
Select a Remote Adapter 89
Access Distributed I/O 93
General Information About 95
IP Addresses 95
Assigning Network 96
Parameters via the 96
BOOTP/DHCP Utility 96
Using Other Methods to 99
Assign Network 99
Parameters 99
Duplicate IP Address 102
Detection 102
Duplicate detection scenarios 103
IP Address Swapping 104
Interpret the Indicators 105
Functional Details 106
1794-IB16D Diagnostic 106
For 3-wire sensors: 107
1794-OB16D Diagnostic 109
(20 KΩ + 110
Appendix 111
Find Your Module 111
*Fuse on 1794-TBNF only 113
* Fuse on 1794-TBNF only 114
Flexbus Interface 117
1794-OW8 Relay Output Module 126
126 Index 128
How Are We Doing? 129
BUSINESS REPLY MAIL 130
Rockwell Automation 132

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