Rockwell-automation 1746-NI8 SLC 500 Analog Input Modules User Manual Manuel d'utilisateur Page 22
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- Table des matières
- DEPANNAGE
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Chapter 3
Publication
17466.8 - April 1997
Installation and Wiring
This chapter tells you how to:
•avoid electrostatic damage
•determine the chassis power requirement for the module
•choose a location for the module in the SLC chassis
•set the channels for voltage or current analog input
•install the module
•wire the module’s terminal block
•wire input devices
Electrostatic discharge can damage semiconductor devices inside this
module if you touch backplane connector pins. Guard against
electrostatic damage by observing the following precautions.
!
ATTENTION: Electrostatic discharge can degrade
performance or cause permanent damage. Handle the
module as stated below.
•Wear an approved wrist strap grounding device when handling
the module.
•Touch a grounded object to rid yourself of electrostatic charge
before handling the module.
•Handle the module from the front, away from the backplane
connector. Do not touch backplane connector pins.
•Keep the module in its static-shield bag when not in use, or
during shipment.
The 1746-NI8 module receives its power through the SLC 500
chassis backplane from the fixed or modular +5V dc/+24V dc
chassis power supply. The +5V dc backplane supply powers the
SLC circuitry, and the +24V dc backplane supply powers the module
analog circuitry. The maximum current drawn by the module is
shown in the table below.
5V dc Amps 24V dc Amps
0.200 0.100
When you are using a modular system configuration, add the values
shown in the table above to the requirements of all other modules in
the SLC chassis to prevent overloading the chassis power supply.
When using a fixed system controller, refer to the Important note
about compatibility in a 2-slot expansion chassis on page 3–2.
Electrostatic Damage
1746NI8 Power Requirements
- 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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