Rockwell-automation 1794-OB16D FLEX I/O Diagnostic Modules User Manual Manual de usuario Pagina 22
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Publication 1794-UM061A-EN-P - July 2006
20 About the FLEX I/O Diagnostic Input Module
Wiring Input Sensors
You must use a 1794-TB32 or 1794-TB32S terminal base unit with the
1794-IB16D diagnostic input module. See installation instructions
ldkg df;l 1794-IN096
for complete information.
Two-wire input devices connect to the input and sensor power terminals;
3-wire devices use input, sensor power and common terminals. You can wire
2-wire and 3-wire sensors to the FLEX I/O 1794-TB32 or 1794-TB32S
terminal base units.
Unused sensor-power ports or open-contact input devices must use a dummy
resistor to mask the diagnostic function. If these external resistors are not
used, the module’s fault indicator will light, along with the module’s error bits,
thus rendering fault detection of the remaining channels useless. The
recommended value of this dummy resistor is 20 kΩ (+
10%), 1/8 Watt (or
larger). Connect the resistor between sensor power and input signal or
between sensor power and common.
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
16
35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
34
COM1NC
Sensor Common and User Power Common:
Input Channels 0-15
NC
Sensor Power Terminals for Channels 0-15
+V1 COM1 +V1 COM1 +V1 COM1
+V1
+V2 COM2 +V2 COM2 +V2 COM2 +V2 COM2 NC
Terminals C-36, C-38, C-40, C-42, C-44, C-46, C-48 and C-50.
User power (+) Voltage: Terminals C-43, C-45, C-47 and C-49
+V1 Terminals C-35, C-37, C-39 and C-41 are not used
NC
COM1 and COM2 are connected together in the module.
A
B
C
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
- 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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