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VLT Flow Drive FC 111
Danfoss VLT Flow Drive FC 111 Design Guide
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6.4.2 Relays and Terminals on Enclosure Size H6
1
95
99
L1 91 / L2 92 / L3 93
U 96 /
V 97 /
W 98
03 02 01
06 05 04
2
3
4
e30bb762.11
Illustration 49: Enclosure Size H6 IP20, 380–480 V, 30–45 kW (40–60 hp)
1
Mains
2
Motor
3
Ground
4
Relays
6.4.3 Relays and Terminals on Enclosure Size H7
1
2
3
4
e30bb763.10
Illustration 50: Enclosure Size H7 IP20, 380–480 V, 55–75 kW (70–100 hp)
AJ363928382091en-000101 / 130R0983 | 67
Danfoss A/S © 2021.04
Electrical Installation
Considerations
VLT® Flow Drive FC 111
Design Guide
66
68
Table of Contents
VLT® Flow Drive FC 111
1
Contents
3
1 Introduction
10
1.1 Purpose of this Design Guide
10
1.2 Additional Resources
10
1.2.1 Other Resources
10
1.2.2 MCT 10 Set-up Software Support
10
1.3 Document and Software Version
10
1.4 Regulatory Compliance
10
1.4.1 Introduction
10
1.4.2 CE Mark
10
2 Safety
12
2.1 Safety Symbols
12
2.2 Qualified Personnel
12
2.3 Safety Precautions
12
3 Product Overview
14
3.1 Advantages
14
3.1.1 Why Use a Drive for Controlling Fans and Pumps?
14
3.1.1.1 The Clear Advantage - Energy Savings
14
3.1.1.2 Example of Energy Savings
15
3.1.1.3 Comparison of Energy Savings
15
3.1.1.4 Example with Varying Flow over 1 Year
17
3.1.1.5 Better Control
18
3.1.1.6 Star/Delta Starter or Soft Starter not Required
18
3.1.1.7 Using a Drive Saves Money
18
3.1.1.8 Traditional Fan System without a Drive
19
3.1.1.9 Fan System Controlled by Drives
20
3.1.2 Application Examples
20
3.1.2.1 Variable Air Volume
20
3.1.2.2 Constant Air Volume
21
3.1.2.3 Cooling Tower Fan
22
3.1.2.4 Condenser Pumps
23
3.1.2.5 Primary Pumps
24
3.1.2.6 Secondary Pumps
25
3.1.3 Check Valve Monitoring
26
3.1.4 Dry Pump Detection
26
3.1.5 End of Curve Detection
26
3.1.6 Time-based Functions
26
3.2 Control Structures
26
3.2.1 Introduction
26
3.2.2 Control Structure Open Loop
27
3.2.3 PM/EC+ Motor Control
27
3.2.4 Local (Hand On) and Remote (Auto On) Control
27
3.2.5 Control Structure Closed Loop
28
3.2.6 Feedback Conversion
28
3.2.7 Reference Handling
28
3.2.8 Tuning the Drive Closed-loop
29
3.2.9 Adjusting the Manual PI
29
3.3 Ambient Running Conditions
30
3.3.1 Air Humidity
30
3.3.2 Acoustic Noise or Vibration
30
3.3.2.1 Acoustic Noise
30
3.3.2.2 Vibration and Shock
31
3.3.3 Aggressive Environments
31
3.4 General Aspects of EMC
31
3.4.1 Overview of EMC Emissions
31
3.4.2 Emission Requirements
32
3.4.3 EMC Emission Test Results
33
3.4.4 Harmonics Emission
34
3.4.4.1 Harmonics Emission Requirements
34
3.4.4.2 Harmonics Test Results (Emission)
35
3.4.5 Harmonics Emission Requirements
36
3.4.6 Harmonics Test Results (Emission)
36
3.4.7 Immunity Requirements
37
3.5 Galvanic Isolation (PELV)
37
3.6 Ground Leakage Current
38
3.6.1 Using a Residual Current Device (RCD)
40
3.7 Extreme Running Conditions
41
3.7.1 Introduction
41
3.7.2 Motor Thermal Protection (ETR)
42
3.7.3 Thermistor Inputs
42
3.7.3.1 Example with Digital Input and 10 V Power Supply
43
3.7.3.2 Example with Analog Input and 10 V Power Supply
43
4 Selection and Ordering
45
4.1 Type Code
45
4.2 Options and Accessories
46
4.2.1 Local Control Panel (LCP)
46
4.2.2 IP21 Enclosure Kit
46
4.2.3 Decoupling Plate
48
4.3 Ordering Numbers
49
4.3.1 Options and Accessories
49
4.3.2 Harmonic Filters
50
4.3.3 External RFI Filter
51
5 Mechanical Installation Considerations
53
5.1 Power Ratings, Weights, and Dimensions
53
5.2 Mechanical Installation H1-H8
55
5.2.1 Side-by-side Installation
55
5.3 Mechanical Installation H13-H14
56
5.3.1 Tools Needed
56
5.3.2 Installation and Cooling Requirements
56
5.3.3 Lifting the Drive
57
5.3.4 Wall Mounting the Drive
58
5.3.5 Creating Cable Openings
59
5.3.6 Back-channel Cooling
59
5.4 Derating
60
5.4.1 Manual Derating and Automatic Derating
60
5.4.2 Derating for Low-speed Operation
60
5.4.3 Derating for Low Air Pressure and High Altitudes
60
5.4.4 Derating for Ambient Temperature and Switching Frequency
60
6 Electrical Installation Considerations
63
6.1 Safety Instructions
63
6.2 Electrical Wiring
64
6.3 EMC-compliant Electrical Installation
64
6.4 Relays and Terminals
66
6.4.1 Relays and Terminals on Enclosure Sizes H1–H5
66
6.4.2 Relays and Terminals on Enclosure Size H6
67
6.4.3 Relays and Terminals on Enclosure Size H7
67
6.4.4 Relays and Terminals on Enclosure Size H8
68
6.4.5 Relays and Terminals on Enclosure Size H13–H14
69
6.5 View of Control Shelf
69
6.6 Fastener Tightening Torques
70
6.7 IT Mains
71
6.8 Mains and Motor Connection
72
6.8.1 Introduction
72
6.8.2 Connecting to the Ground
72
6.8.3 Connecting the Motor
73
6.8.4 Connecting the AC Mains
73
6.9 Fuses and Circuit Breakers
73
6.9.1 Branch Circuit Protection
73
6.9.2 Short-circuit Protection
73
6.9.3 Overcurrent Protection
74
6.9.4 CE Compliance
74
6.9.5 Recommendation of Fuses and Circuit Breakers
74
6.10 Control Terminals
75
6.11 Efficiency
76
6.11.1 Efficiency of the Drive
76
6.11.2 Efficiency of the Motor
77
6.11.3 Efficiency of the System
77
6.12 dU/dt Conditions
77
6.12.1 dU/dt Overview
77
6.12.2 dU/dt Test Results for H1–H8
77
6.12.3 High-power Range
80
6.12.4 dU/dt Test Results for H13–H14
80
7 Programming
81
7.1 Local Control Panel (LCP)
81
7.2 Menus
82
7.2.1 Status Menu
82
7.2.2 Quick Menu
82
7.2.2.1 Quick Menu Introduction
82
7.2.2.2 Setup Wizard Introduction
83
7.2.2.3 Setup Wizard for Open-loop Applications
84
7.2.2.4 Setup Wizard for Closed-loop Applications
89
7.2.2.5 Motor Setup
94
7.2.2.6 Changes Made Function
97
7.2.2.7 Changing Parameter Settings
98
7.2.2.8 Accessing All Parameters via the Main Menu
98
7.2.3 Main Menu
98
7.3 Quick Transfer of Parameter Settings between Multiple Drives
98
7.3.1 Transferring Data from the Drive to the LCP
98
7.3.2 Transferring Data from the LCP to the Drive
98
7.4 Readout and Programming of Indexed Parameters
99
7.5 Initialization to Default Settings
99
7.5.1 Recommended Initialization
99
7.5.2 Two-finger Initialization
99
8 RS485 Installation and Set-up
101
8.1 RS485
101
8.1.1 Overview
101
8.1.2 Connecting the Drive to the RS485 Network
102
8.1.3 Hardware Set-up
102
8.1.4 Parameter Settings for Modbus Communication
103
8.1.5 EMC Precautions
103
8.2 FC Protocol
104
8.2.1 Overview
104
8.2.2 FC with Modbus RTU
104
8.3 Network Configuration
105
8.4 FC Protocol Message Framing Structure
105
8.4.1 Content of a Character (byte)
105
8.4.2 Telegram Structure
105
8.4.3 Telegram Length (LGE)
105
8.4.4 Drive Address (ADR)
106
8.4.5 Data Control Byte (BCC)
106
8.4.6 The Data Field
106
8.4.7 The PKE Field
107
8.4.8 Parameter Number (PNU)
108
8.4.9 Index (IND)
108
8.4.10 Parameter Value (PWE)
108
8.4.11 Data Types Supported by the Drive
109
8.4.12 Conversion
109
8.4.13 Process Words (PCD)
110
8.5 Examples
110
8.5.1 Writing a Parameter Value
110
8.5.2 Reading a Parameter Value
110
8.6 Modbus RTU
111
8.6.1 Prerequisite Knowledge
111
8.6.2 Modbus RTU Overview
111
8.6.3 Drive with Modbus RTU
111
8.7 Network Configuration
112
8.8 Modbus RTU Message Framing Structure
112
8.8.1 Modbus RTU Message Byte Format
112
8.8.2 Modbus RTU Telegram Structure
113
8.8.3 Start/Stop Field
113
8.8.4 Address Field
113
8.8.5 Function Field
113
8.8.6 Data Field
113
8.8.7 CRC Check Field
113
8.8.8 Coil Register Addressing
114
8.8.8.1 Introduction
114
8.8.8.2 Coil Register
114
8.8.8.3 Drive Control Word (FC Profile)
114
8.8.8.4 Drive Status Word (FC Profile)
115
8.8.8.5 Address/Registers
115
8.8.9 Access via PCD Write/read
116
8.8.10 How to Control the Drive
117
8.8.10.1 Introduction
117
8.8.10.2 Function Codes Supported by Modbus RTU
117
8.8.10.3 Modbus Exception Codes
118
8.9 How to Access Parameters
118
8.9.1 Parameter Handling
118
8.9.2 Storage of Data
118
8.9.3 IND (Index)
119
8.9.4 Text Blocks
119
8.9.5 Conversion Factor
119
8.9.6 Parameter Values
119
8.10 Examples
119
8.10.1 Introduction
119
8.10.2 Read Coil Status (01 hex)
119
8.10.3 Force/Write Single Coil (05 hex)
120
8.10.4 Force/Write Multiple Coils (0F hex)
121
8.10.5 Read Holding Registers (03 hex)
122
8.10.6 Preset Single Register (06 hex)
122
8.10.7 Preset Multiple Registers (10 hex)
123
8.10.8 Read/Write Multiple Registers (17 hex)
124
8.11 Danfoss FC Control Profile
125
8.11.1 Control Word According to FC Profile (8-10 Protocol = FC Profile)
125
8.11.2 Explanation of Each Control Bit
126
8.11.3 Status Word According to FC Profile (STW)
128
8.11.4 Explanation of Each Status Bit
128
8.11.5 Bus Speed Reference Value
130
9 General Specifications
131
9.1 Mains Supply
131
9.1.1 3x380–480 V AC
131
9.2 General Technical Data
133
9.2.1 Protection and Features
133
9.2.2 Mains Supply
133
9.2.3 Motor Output (U, V, W)
133
9.2.4 Cable Length and Cross-section
134
9.2.5 Digital Inputs
134
9.2.6 Analog Inputs
134
9.2.7 Analog Outputs
135
9.2.8 Digital Output
135
9.2.9 RS485 Serial Communication
135
9.2.10 24 V DC Output
135
9.2.11 Relay Output
135
9.2.12 10 V DC Output
136
9.2.13 Ambient Conditions (H1–H8)
136
9.2.14 Ambient Conditions (H13–H14)
137
10 Appendix
138
10.1 Abbreviations
138
10.2 Definitions
139
10.2.1 AC Drive
139
10.2.2 Input
139
10.2.3 Motor
139
10.2.4 References
141
10.2.5 Miscellaneous
141
Index
144
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Danfoss VLT Flow Drive FC 111 Specifications
General
Brand
Danfoss
Model
VLT Flow Drive FC 111
Category
DC Drives
Language
English
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