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PTU 025
Danfoss PTU 025 Design Guide
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14.6 RS485: FC Pr
otocol P
arameter Examples
231
14.7 RS485: Modbus RTU O
verview
232
14.8 RS485: Modbus RTU T
elegram Structure
233
14.9 RS485: Modbus RTU Message Function Codes
236
14.10 RS485: Modbus RTU Parameters
236
14.11 RS485: FC Control
Prole
237
Index
244
Conten
ts
VL
T
®
HV
A
C Drive FC 102
4
Danfoss A/S © 11/2017 All rights reserved.
MG16C302
5
7
Table of Contents
Default Chapter
3
Table of Contents
3
1 Introduction
7
Purpose of the Design Guide
7
Additional Resources
7
Document and Software Version
7
Conventions
7
2 Safety
8
Safety Symbols
8
Qualified Personnel
8
Safety Precautions
8
3 Approvals and Certifications
10
Regulatory/Compliance Approvals
10
Enclosure Protection Ratings
12
4 Product Overview
14
VLT® High-Power Drives
14
Enclosure Size by Power Rating
14
Overview of Enclosures, 380-480
15
Overview of Enclosures, 525-690
18
Kit Availability
21
5 Product Features
22
Automated Operational Features
22
Custom Application Features
24
Specific VLT® HVAC Drive Features
28
Basic Cascade Controller
40
Dynamic Braking Overview
41
Load Share Overview
42
Regen Overview
43
6 Options and Accessories Overview
44
Fieldbus Devices
44
Functional Extensions
45
Motion Control and Relay Cards
46
Brake Resistors
46
Sine-Wave Filters
46
Du/Dt Filters
46
Common-Mode Filters
47
Harmonic Filters
47
Enclosure Built-In Options
47
High-Power Kits
49
7 Specifications
50
Electrical Data, 380-480 V
50
Electrical Data, 525-690
56
Mains Supply
62
Motor Output and Motor Data
62
Ambient Conditions
62
Cable Specifications
63
Control Input/Output and Control Data
63
Enclosure Weights
66
Airflow for Enclosures E1-E2 and
67
8 Exterior and Terminal Dimensions
69
E1 Exterior and Terminal Dimensions
69
E2 Exterior and Terminal Dimensions
77
F1 Exterior and Terminal Dimensions
85
F2 Exterior and Terminal Dimensions
92
F3 Exterior and Terminal Dimensions
99
F4 Exterior and Terminal Dimensions
111
F8 Exterior and Terminal Dimensions
122
F9 Exterior and Terminal Dimensions
126
F10 Exterior and Terminal Dimensions
132
F11 Exterior and Terminal Dimensions
138
F12 Exterior and Terminal Dimensions
146
F13 Exterior and Terminal Dimensions
152
9 Mechanical Installation Considerations
160
Storage
160
Lifting the Unit
160
Operating Environment
161
Mounting Configurations
162
Cooling
163
Derating
164
10 Electrical Installation Considerations
167
Safety Instructions
167
Wiring Schematic
168
Connections
169
Control Wiring and Terminals
173
Fuses and Circuit Breakers
179
Disconnects and Contactors
184
Motor
185
Braking
188
Residual Current Devices (RCD) and Insulation Resistance Monitor (IRM)
190
Leakage Current
190
Grid
191
Efficiency
191
Acoustic Noise
192
Du/Dt Conditions
192
Electromagnetic Compatibility (EMC) Overview
193
EMC-Compliant Installation
197
Harmonics Overview
199
11 Basic Operating Principles of a Drive
202
Description of Operation
202
Drive Controls
202
12 Application Examples
210
Wiring Configurations for Automatic Motor Adaptation (AMA)
210
Wiring Configurations for Analog Speed Reference
210
Wiring Configurations for Start/Stop
211
Wiring Configuration for an External Alarm Reset
212
Wiring Configuration for Speed Reference Using a Manual Potentiometer
212
Wiring Configuration for Speed Up/Speed down
213
Wiring Configuration for RS485 Network Connection
213
Wiring Configuration for a Motor Thermistor
214
Wiring Configuration for Cascade Controller
215
Wiring Configuration for a Relay Set-Up with Smart Logic Control
216
Wiring Configuration for a Fixed Variable-Speed Pump
216
Wiring Configuration for Lead Pump Alternation
216
13 How to Order a Drive
218
Drive Configurator
218
Ordering Numbers for Options/Kits
222
Ordering Numbers for Filters and Brake Resistors
225
Spare Parts
225
14 Appendix
226
Abbreviations and Symbols
226
Definitions
227
RS485 Installation and Set-Up
228
RS485: FC Protocol Overview
229
RS485: FC Protocol Telegram Structure
229
RS485: FC Protocol Parameter Examples
233
RS485: Modbus RTU Overview
234
RS485: Modbus RTU Telegram Structure
235
RS485: Modbus RTU Message Function Codes
238
RS485: Modbus RTU Parameters
238
RS485: FC Control Profile
239
Index
246
Other manuals for Danfoss PTU 025
Operating Guide
196 pages
Service Guide
370 pages
Programming Guide
250 pages
Instruction Manual
140 pages
Installation Instructions
10 pages
Operating Instructions
146 pages
Installation Guide
36 pages
4
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Danfoss PTU 025 Specifications
General
Brand
Danfoss
Model
PTU 025
Category
DC Drives
Language
English
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