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Page 48 (Electrical Installation)
Danfoss VT2800 Series - Electrical Installation
162 pages
Manual
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VL
T
®
2800
Series
■
Electrical
installation
See
als
o
the
section
Brak
e
Connec
t
ion.
VLT
2803-2815
200-240
V,
2805-2815
380-480
V
VLT
2822
200-240
V,
2822-2840
380-480
V
MG.
28.E9.02
-
VLT
i
s
a
regi
stered
Danfos
s
trad
emark
48
47
49
Table of Contents
Main Page
Default Chapter
1
Table of Contents
1
Introduction to VLT 2800
4
Software Version
4
High Voltage Warning
5
These Rules Concern Your Safety
5
Warning against Unintended Start
5
Technology
6
CE Labelling
8
Modbus RTU
11
Motor Coils
12
EMC Filter for Long Motor Cables
16
Ordering Numbers for VLT 2800 200-240 V
17
Ordering Numbers for VLT 2800 380-480V
19
Order Form
21
PC Software
22
PC Software Tools
22
Accessories for the VLT 2800
23
Control Unit
30
Manual Initialisation
30
Hand Auto
31
Automatic Motor Tuning
32
The LCP 2 Control Unit, Option
33
Parameter Selection
36
Installation
38
Mechanical Dimensions
38
Mechanical Installation
42
General Information about Electrical Installation
43
EMC-Correct Electrical Installation
44
Earthing of Screened/Armoured Control Cables
46
Diagram
47
Electrical Installation
48
Safety Clamp
50
Pre-Fuses
50
Mains Connection
50
Motor Connection
50
RFI Switch
51
Direction of Motor Rotation
51
Parallel Connection of Motors
51
Motor Cables
52
Motor Thermal Protection
52
Brake Connection
52
Earth Connection
52
Load Sharing
53
Tightening Torque, Power Terminals
53
Control of Mechanical Brake
53
Access to Control Terminals
53
Electrical Installation, Control Cables
54
Tightening Torques, Control Cables
55
Electrical Installation, Control Terminals
55
Relay Connection
55
VLT Software Dialog
55
Connection Examples
56
Use of Internal PID-Controller - Closed Loop Process Control
58
Programming
60
Operation & Display
60
Setup Configuration
60
Load and Motor
68
DC Braking
73
References & Limits
78
Handling of References
78
Reference Function
82
Inputs and Outputs
87
Special Functions
97
PID Functions
100
Handling of Feedback
101
Serial Communication for VLT 2800
108
Control Word According to FC Protocol
113
Status Word According to FC Profile
114
Control Word According to Fieldbus Profile
115
Status Word According to Profidrive Protocol
116
Serial Communication
119
Technical Functions
127
All about VLT 2800
131
Special Conditions
131
Galvanic Isolation (PELV)
131
Earth Leakage Current and RCD Relays
131
Extreme Operating Conditions
131
Du/Dt on Motor
132
Switching on the Input
132
Acoustic Noise
132
Temperature-Dependent Switch Frequency
133
Derating for Air Pressure
133
Derating for Running at Low Speed
133
Derating for Long Motor Cables
133
Derating for High Switching Frequency - VLT 2800
133
Vibration and Shock
134
Air Humidity
134
UL Standard
134
Efficiency
134
Mains Supply Interference/Harmonics
135
Power Factor
135
Generic EMC Standards/Product Standards
136
EMC Emission
136
EMC Immunity
138
Harmonic Current Emission
139
Aggressive Environments
139
Display Readout
140
Warnings/Alarm Messages
140
Warning Words, Extended Status Words and Alarmwords
145
General Technical Data
146
Technical Data, Mains Supply 1 X 220 - 240 V/3 X 200-240V
150
Technical Data, Mains Supply 3 X 380 - 480 V
151
Available Literature
152
Index
160
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