Siemens SED2 Specifications Page 80
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SED2 VFD Startup, Operation, and Maintenance Manual
70 Siemens Building Technologies, Inc.
Additional Parameter Settings
NOTE: If Display Selection for r0000, parameter P0005=21 (actual
frequency), then the BOP display alternately shows setpoint
values and the actual value (0 Hz).
Flying Start
Parameter Description Action Setting/ Default
Flying Start
Starts SED2 into a spinning
motor by rapidly changing the
output frequency of the SED2
until the actual motor speed is
found. Then, the motor runs up
to setpoint using the normal
ramp time.
0 = Flying start disabled
1 = Flying start is always
active, start in direction of
setpoint
2 = Flying start is active if
power on, fault, OFF2,
start in direction of
setpoint
3 = Flying start is active if
fault, OFF2, start in
direction of setpoint
4 = Flying start is always
active, only in direction of
setpoint
5 = Flying start is active if
power on, fault, OFF2,
only in direction of
setpoint
6 = Flying start is active if
fault, OFF2, only in
direction of setpoint
1. Press
to enter the
SED2 parameter mode
and to display r0000.
2. Press
to advance
to parameter P1200.
3. Press
to access
the
parameter values level.
4. Press
to advance
to desired setting.
5. Press
to confirm
and save the setting.
Minimum: 0
Default: 0
Maximum: 6
P1200
NOTES:
1. Flying start is useful for motors with high inertia loads.
2. Se
ttings 1 to 3 search in both directions. Settings 4 through 6 search only in
direction of setpoint.
3. Flying start must be used in cases where the motor may still be turning
(such as after a brief input power break) or can be driven by the load.
Otherwise, overcurrent trips occur.
4. If the SED2 faults on F0002 (overvoltage) on a start command, flying start
may have to be optimized by reducing the values in P1203 and P1202.
- Startup, Operation, and 1
- Maintenance Manual 1
- SED2 Variable 3
- Frequency Drives 3
- Table of Contents 7
- How To Use This Manual 11
- Manual Notations 12
- Where To Send Comments 12
- Reference Documents 12
- Safety Instructions 13
- Disposal 14
- Mechanical Installation 15
- Frame Sizes 16
- Output Ratings 18
- Accessories 20
- Environmental Conditions 21
- Specifications 22
- Mounting Dimensions 23
- Mounting Instructions 23
- Connections 24
- Conduit Connections: 25
- Installation: 25
- VFD0091R1 26
- Type 1 SED2s 27
- NEMA Type 12 SED2s 29
- Electrical Installation 32
- Capacitors 33
- VFD060R1 35
- Torx driver T20 36
- Torx screwdriver 37
- VFD0067R1 38
- VFD0068R1 39
- VFD0070R1 40
- DIP SWITCHES 41
- (Ground) 42
- DC+DC+DC+DC- B 43
- R+ B+ B+ 43
- L3 U V WL2L1 43
- 3Ø AC 380V through 480V 45
- 3Ø AC 500V through 600V 46
- Input Power Connection 47
- Motor Cable Length 48
- Wye "Y" 49
- Direction of Motor Rotation 50
- Motor Overload Protection 51
- Connection of Multiple 52
- Analog Input DIP Switches 53
- Control Terminal Connections 54
- VFD0051R1 58
- Parameters 59
- VFD0019R1 60
- SED2 Operator Panels 61
- BOP Display and Pushbuttons 62
- Commissioning 65
- Settings 66
- SED2 (stand-alone) Startup 69
- Procedure 69
- Flying Start 80
- Automatic Restart 82
- Vdc Controller 84
- Pulse Frequency 84
- Reset to Factory Defaults 85
- Network Communications 86
- Maintenance 88
- Re-energize Unit 89
- DC Bus Integrity Test 89
- Contactors and Switches 89
- Motor Bearing Wear 89
- Resetting Faults 91
- VERIFY THAT 92
- CONNECTION 92
- OPENINGS ARE 92
- FREE FROM 92
- OBSTRUCTIONS 92
- Fault Codes 94
- Troubleshooting 101
- Warning Messages 102
- Replacement Parts 106
- Technical Specifications 108
- Appendix A: Parameters 110
- Defaults, and Settings 110
- Appendix B: SED2 Point 121
- SED2 Point Cross-Reference 123
- Glossary 127
- Slip Compensation 131
- Stator Resistance 131
- Train (HVAC) 131
- Undervoltage 131
- VFD/VSD 131
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