Rockwell-automation 1747-ACNR15 ControlNet Adapter Module User Manual Manual de usuario Pagina 132
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Publication 1747-UM003A-EN-P
B-40 Understanding Your SLC 500/1746 Control System
Example - Worksheet for Calculating Heat Dissipation
Procedure: Chassis 1 Chassis 2 Chassis 3
1. Calculate the heat dissipation for each chassis without the power supply
A. Write in the watts (calculated watts or total watts) dissipated by the processor, I/O and specialty
modules, and any peripheral devices attached to the processor. Then, for each chassis, add these
values together.
Chassis 1 Chassis 2 Chassis 3
Slot Catalog
Number
Heat
Dissipation
Catalog
Number
Heat
Dissipation
Catalog
Number
Heat
Dissipation
0 L511 1.75 IA16 4.8
1 BAS 3.8 IA16 4.8
2 IA8 2.4 OW16 5.5
3 OV8 6.9 OW16 5.7
4
5
6
7
8
9
10
11
12
peripheral DTAM 2.5
TOTAL 17.35 20.8
B. Place the heat dissipation for each chassis into the appropriate columns.
2. Calculate the heat dissipation for each power supply
A. Calculate the power supply loading for each chassis (write in the minimum
watts for each device, and then, for each chassis, add these values together.
Important: If you have a device connected to user power, multiply 24V by the
current used. Include user power in the total power supply loading
Chassis 1 Chassis 2 Chassis 3
Slot Catalog
Number
Min. Heat
Dissipation
Catalog
Number
Min. Heat
Dissipation
Catalog
Number
Min. Heat
Dissipation
0 L511 1.75 IA16 0.425
1 BAS 3.750 IA16 0.425
2 IA8 0.250 OW16 5.17
3 OV8 0.675 OW16 5.17
4
5
6
7
8
9
10
11
12
user power 2.4
peripheral DTAM 2.5
TOTAL 8.925 13.59
B. Use the power supply loading for each chassis to determine the power supply dissipation. Place the
power supply dissipations into the appropriate columns.
3. Add the chassis dissipation to the power supply dissipation.
4. Add across the columns for the total heat dissipation of your SLC 500 controller. TOTAL (Watts)
5. Convert to BTUs/hr.
Multiply the total heat dissipation of your SLC 500 controller by 3.414.
TOTAL (BtUs/hour)
- ControlNet™ 1
- Adapter Module 1
- Important User Information 2
- Table of Contents 3
- Table of Contents ii 4
- Table of Contents iv 6
- Who Should Use this 7
- Purpose of this Manual 7
- Common Techniques 7
- Used in this Manual 7
- Rockwell Automation 8
- Module Description and 9
- Features 9
- Hardware Components 9
- ADDRESS/STATUS 10
- Chapter Objectives 13
- Compliance to European 13
- Union Directives 13
- Determining Power 14
- Requirements 14
- Setting the Network 14
- Address Switches 14
- Installing the Adapter 15
- Module in the Chassis 15
- Connecting Programming 18
- Terminals to the Network 18
- Powerup Sequence 19
- Compatible 1746 and 21
- 1747 I/O Modules 21
- Overview of Adapter 22
- Operation 22
- Rack and Module Connections 23
- Rack Connections 23
- Module Connections 24
- Module Keying 25
- Understanding ControlNet 26
- . . .. . 27
- Application Examples 29
- Example 1 30
- ControlNet 31
- • Hold Last Outputs 36
- • Outputs to Safe State 36
- Create a Ladder Logic Program 38
- Example 2 39
- Configuring a Rack Connection 42
- Create a Ladder Program 48
- Example 3 49
- 4-29 57
- Example 4 59
- 4-33 61
- 4-35 63
- 4-36 64
- 4-38 66
- 4-39 67
- 4-40 68
- 4-41 69
- 4-42 70
- 4-43 71
- 4-44 72
- SLC Processor Ladder Program 73
- Example 5 74
- 4-48 76
- 4-50 78
- 4-51 79
- 4-53 81
- 4-54 82
- 4-55 83
- 4-56 84
- 4-58 86
- Troubleshooting 87
- 5-2 Troubleshooting 88
- ControlNet Status 89
- Indicators 89
- 5-4 Troubleshooting 90
- Specifications 91
- A-2 Specifications 92
- Appendix 93
- Chassis 1 Contains: 95
- Chassis 2 Contains: 95
- ___________ 96
- SLC 500 System Installation 98
- Recommendations 98
- Spacing Considerations 99
- Preventing Excessive Heat 100
- Wiring Layout 100
- Grounding Guidelines 101
- Publication 1747-UM003A-EN-P 104
- Emergency-Stop Switches 105
- Schematic (Using IEC Symbols) 106
- Common Power Source 107
- Loss of Power Source 108
- Input States on Power Down 108
- Isolation 109
- Suppression 109
- Special Considerations 110
- Excessive Noise 110
- 500 triac outputs 112
- Mounting Your Control 113
- 1746-A10 115
- 1746-A13 115
- Link Coupler (AIC) 116
- Installing Your I/O Module 117
- Solid State dc I/O Circuits 118
- Inserting I/O Modules 120
- OUTPUT INPUT 122
- Wiring the I/O Modules 123
- SLOT______RACK______ 124
- Installing the RTB 125
- Calculating Heat 126
- Dissipation for Your Control 126
- Glossary 135
- Glossary 2 136
- Index 2 138
- Back Cover 140
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