Rockwell-automation 1769-OF4VI Compact I/O Isolated Analog Modules Manual de usuario descargar pdf (Pagina 15)

Publication 1769-UM014B-EN-P - May 2010

Overview 1-7

Output Modules Block Diagram

The output modules use one digital-to-analog (D/A) converter per isolated

output channel to convert the digital output data from the controller to an

analog output signal.

Figure 1.5 1769-OF4CI Block Diagram

DAC

OPTO

LED

OPTO

DC / DC

Converter

DC / DC

Converter

CPU

ASICBUS

Iout0+

Iout0-

DAC

Iout3+

Iout3-

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 127 128

User Manual 1
Important User Information 2
Table of Contents 3
Table of Contents iii 5
Who Should Use This 7
How to Use This Manual 7
Conventions Used in This 8
General Description 10
Overview 1-3 11
System Overview 12
System Operation 13
Module Operation 14
Output Modules Block Diagram 15
Module Field Calibration 16
Installation and Wiring 17
Power Requirements 18
General Considerations 18
ATTENTION 19
System Assembly 20
Minimum Spacing 22
Panel Mount 23
Replace a Single Module 24
Within a System 24
Field Wiring Connections 25
System Wiring Guidelines 26
Accuracy 27
Label the Terminals 31
SLOT # _____ 32
MODULE TYPE ______ 32
Wire the Modules 33
Figure 2.8 Belden 8761 Wire 34
1769-IF4I 35
Earth Ground 37
Current Load 37
Voltage Load 38
1769-IF4I Input Module 39
Addressing 39
1769-IF4I Input Image 40
1769-IF4I Output Image 40
1769-IF4I Configuration File 40
1769-IF4I Input Data File 41
Time Stamp Value (Word 4) 42
1769-IF4I Output Data File 43
1769-IF4I Configuration 44
Data File 44
Channel Configuration 45
Enable/Disable Channel 46
Input Filter Selection 46
Input Type/Range Selection 47
Input Data Selection Formats 48
1769-IF4I Real Time Sampling 49
1769-IF4I Time Stamping 50
1769-IF4I Process Alarms 51
Figure 3.2 Alarm Deadbands 52
1769-OF4CI Output Module 53
Memory Map 53
1769-OF4VI Output Module 54
1769-OF4CI and -OF4VI 55
Output Data File 55
Input Data File 56
Configuration Data File 59
Clamping/Limiting 62
Clamp/Limit Alarms 62
Hold for Initialization 65
Safety Considerations 73
Module Operation versus 74
Channel Operation 74
Power Cycle Diagnostics 75
Channel Diagnostics 75
Non-critical vs. Critical 76
Module Errors 76
Module Error Definition 76
Module Error Field 77
Error Codes 78
Contacting Rockwell 81
Automation 81
Module Inhibit Function 81
Specifications 83
30…1000 MHz 84
1769-IF4I Input 85
A-4 Specifications 86
1769-OF4CI Output 87
A-6 Specifications 88
1769-OF4VI Output 89
A-8 Specifications 90
MicroLogix 1500 91
Input Module’s Input Image 92
Configure Analog I/O 94
Modules in a MicroLogix 94
1500 System 94
Configure I/O Modules 102
Appendix 105
Overview 105
Add the DeviceNet Adapter 106
Configure the 1769-IF4I 108
Input Module Example 108
3. Double-click on 1769-IF4I 109
Configure the 1769-OF4CI 113
Output Module Example 113
IMPORTANT 116
Positive Decimal Values 117
Negative Decimal Values 118
10 (V1/V2) 119
2 120
3 121
Ideal Transfer 121
Actual Transfer 121
Function 121
4 122
2 Index 124
Index 3 125
4 Index 126
Rockwell Automation Support 128
Documentation Feedback 128

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