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LONWORKS PLT-22
Echelon LONWORKS PLT-22 Manuals
Manuals and User Guides for Echelon LONWORKS PLT-22. We have
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Echelon LONWORKS PLT-22 manual available for free PDF download: User Manual
Echelon LONWORKS PLT-22 User Manual (128 pages)
Power Line Transceiver. 110kHz – 140kHz Operation
Brand:
Echelon
| Category:
Transceiver
| Size: 4.19 MB
Table of Contents
Table of Contents
3
1 Introduction
7
Audience
12
Content
12
Related Documentation
12
2 Using the PLT-22 Transceiver
15
Mechanical Dimensions
16
PLT-22 Transceiver Pinout
17
PLT-22 Transceiver Electrical Specifications
18
External Components
20
Crystal
20
Power Supply Bypassing and Grounding
21
Band-In-Use (BIU) and Packet Detect (PKD) LED Connections
21
Neuron Chip Connections
22
Transmit Output Level
24
TXON Output Signal
24
3 PLT-22 Transceiver Programming
27
Dual Carrier Frequency Mode
28
CENELEC Access Protocol
29
Power Management
29
Standard Transceiver Types
30
Lonbuilder ® and Nodebuilder ® PLT-22 Transceiver
32
4 Coupling Circuits
35
Power Line Communications
36
Coupling Techniques
38
Power Line Coupling Basics
38
Power Line Coupling Details
42
Safety Issues
45
Safety Isolation Considerations
45
Ground Leakage Currents
47
Capacitor Charge Storage
47
Line Surge Protection
47
Fuse Selection
50
Recommended Coupling Circuit Schematics
50
Example 1: Line-To-Neutral, Non-Isolated Coupling
52
Example 2: Line-To-Neutral, Transformer-Isolated Coupling
54
Example 3: Line-To-Earth, Non-Isolated Coupling
56
Example 4: Line-To-Earth, Transformer-Isolated Coupling
58
5 Power Supplies for the PLT-22 Transceiver
62
Introduction
62
Power Supply Design Considerations
62
Power Supply-Induced Attenuation
62
Power Supply Noise
63
Energy Storage Power Supplies
63
Energy Storage Capacitor-Input Power Supplies
65
Capacitor-Input Power Supply Schematic
67
Energy Storage Linear Supplies
68
Traditional Linear Power Supplies
69
Switching Power Supplies
69
Power Supply-Induced Attenuation
69
Noise at the Power Supply Input
72
Switching Power Supply Frequency Selection
72
Switching Power Supply Input Noise Masks
72
Switching Power Supply Output Noise Masks
77
Options
81
Pre-Designed Switching Supplies
81
Off-The-Shelf Switching Supplies
82
Custom Switching Supplies
82
6 Design and Test for Electromagnetic Compatibility
83
EMI Design Issues
84
Designing Systems for EMC (Electromagnetic Compatibility)
84
ESD Design Issues
86
Designing Systems for ESD Immunity
86
Conducted Emissions Testing
88
7 Communication Performance Verification
93
Why Verify Communication Performance
94
Verification Strategy
94
Power Line Test Isolator
95
Test Equipment
96
Good Citizen Verification
98
Unintentional Output Noise Verification
98
Excessive Loading Verification
99
Transmit Performance Verification
102
Receive Performance Verification
103
Packet Error Measurement with Nodeutil
103
Verification Procedure
104
8 References
111
Reference Documentation
112
Appendix A PLT-22 Transceiver Isolation Transformer
115
Specifications
115
PLT-22 Transceiver Isolation Transformer Schematic
116
Transceiver Isolation Transformer Electrical Specifications
116
PLT-22 Transceiver Isolation Transformer Vendors
117
Appendix B PLT-22 Transceiver-Based Node Checklist
119
PLT-22 Transceiver and Neuron Chip Connections
120
PLT-22 Transceiver-Based Node Checklist
120
PLT-22 Transceiver Programming
122
PLT-22 Transceiver Coupling Circuit General
122
Transceiver Coupling Circuit Components Key Specifications
123
PLT-22 Transceiver Power Supply - General
124
PLT-22 Transceiver Power Supply - Switching Type
124
EMI & ESD Design
125
Product Qualification - EMC
126
Product Qualification - Electromagnetic Immunity and
126
Communication Performance
126
Appendix C External Power Supplies with Integrated Coupling Circuits
127
Vendors for External Power Supplies W/ Integrated Coupling Circuits
128
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