Rockwell-automation 1746-NI8 SLC 500 Analog Input Modules User Manual Manuel d'utilisateur Page 28
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- Table des matières
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- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
3–7
Installation and Wiring
Publication
17466.8 - April 1997
Wiring SingleEnded and Differential Inputs
The diagram below shows typical wiring for the module.
shield
shield
shield
shield
shield
shield
shield
shield
singleend
signal source
singleend
signal source
singleend
signal source
singleend
signal source
differential
signal source
differential
signal source
differential
signal source
differential
signal source
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
Shield
Channel 0
Channel 2
Channel 1
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Shield
Important: Follow these guidelines when wiring the module.
• Use shielded communication cable (Belden 8761) and keep length as short as possible.
• Connect only one end of the cable shield to earth ground.
• Connect the shield drain wires for channels 0-3 to the top shield terminal.
• Connect the shield drain wires for channels 4-7 to the bottom shield terminal.
• Shield terminals are internally connected to chassis ground which is connected to earth ground via the SLC backplane.
• Singleended source commons may be jumpered together at the terminal block.
• Channels are not isolated from each other.
• If a differential signal source has an analog common, it can not and must not be connected to the module.
• Common mode voltage range is $10.5 volts. The voltage between any two terminals must be less than 21 volts.
• The module does not provide power for the analog inputs.
• Use a power supply that matches the transmitter (sensor) specifications.
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
+
+
+
Power
Supply
Connections
- SLC 500t 1
- Input Module 1
- AllenBradley 1
- Important User 2
- Information 2
- Table of Contents 3
- Table of Contentsii 4
- Table of Contents iii 5
- Table of Contentsiv 6
- Who Should Use this 7
- Purpose of this Manual 7
- Contents of this Manual 8
- Related Documentation 9
- Common Techniques Used in 10
- AllenBradley Support 10
- Overview 11
- Hardware Features 12
- System Overview 13
- (shown for one channel) 14
- Quick Start 15
- Procedures 16
- sensor cable 17
- 1011 00000000 18
- Program the configuration 19
- 0000 00000000 20
- 1011 00000000000 21
- Installation and Wiring 22
- Module Location in Chassis 23
- Compliance to European 24
- Union Directives 24
- Module Installation and 25
- Module Installation Procedure 26
- Terminal Wiring 27
- Publication 28
- 17466.8 - April 1997 28
- Input Devices 30
- Preliminary Operating 32
- Considerations 32
- Class 1 and Class 3 33
- Interface 33
- Module Addressing 33
- Class 3 Memory Map 34
- O : 4 . 2 35
- I : 4 . 10 35
- Module Update Time 36
- Channel TurnOn, TurnOff 37
- Response to Slot Disabling 37
- Channel Filter Frequency 38
- Selection 38
- Channel Configuration, Data 42
- Channel Configuration 43
- Procedure 43
- Channel Data Word 46
- Scaling the 47
- Scaling Examples 49
- " TIP 49
- Channel Status Checking 52
- 10 V dc 53
- Input Type Status (Bits 0-2) 54
- Channel Status (Bit 11) 54
- Open Circuit Error (Bit 12) 55
- OverRange Error (Bit 13) 55
- UnderRange Error (Bit 14) 55
- Configuration Error (Bit 15) 55
- 1100 00110100 56
- Interfacing to the PID 58
- Instruction 58
- Monitoring Channel Status 59
- Bits (Class 3 Mode Only) 59
- Module Diagnostics and 60
- Troubleshooting 60
- LED Indicators 61
- Module Status LED (Green) 63
- Troubleshooting Flowchart 64
- Replacement Parts 65
- Contacting AllenBradley 65
- Application Examples 66
- Program Listing 68
- Data File 68
- Supplementary Example 69
- 1112131415 71
- 910 8 67450123 71
- Bit Number 71
- Specifications 76
- TTL:Chap 77
- +85°C (-40°F to +185°F) 77
- Configuration Worksheet 78
- Converting from 1746NI4 to 79
- 1746NI8 79
- 1100 01111000 81
- 1100 01100000 81
- Two's Complement Binary 82
- Glossary 84
- GlossaryG–2 85
- Glossary G–3 86
- Worldwide representation 91
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