Specifications

SED2 VFD Startup, Operation, and Maintenance Manual
98 Siemens Building Technologies, Inc.
Technical Specifications
Table 9. Drive Specifications.
Drive Specifications Description
200V to 240V, 3AC±10%. 1/2 hp to 60 hp
380V to 480V, 3AC ±10% 1/2 hp to 125 hp
Input voltage and
power (3 phase)
500V to 600V, 3 AC ±10% 1 hp to 125 hp
Input frequency 47 Hz to 63 Hz
Output frequency 0 Hz to 150 Hz
Power factor ≥0.9
VFD degree of
efficiency
96% to 97%
Switch-on current Less than nominal input current
Auxiliary supply 24V
Glavanically separated, unregulated auxiliary supply (18V to
32V) 100 mA
Overload capacity 100% for 60 seconds, 150% for 3 seconds
Control method
Linear, parabolic and programmable V/f; and flux current control
low-power mode
PWM frequency 2k Hz to 16k Hz (adjustable in 2k Hz increments)
Fixed frequencies 15 programmable
Skip frequency bands 4 programmable
0.01 Hz digital
0.01 Hz serial
Setpoint resolution
10 bit analog
Digital inputs
(sink/source)
6: fully programmable and scalable isolated digital inputs,
switchable
Analog inputs
2: 0 Vdc to 10 Vdc, 0/4 mA to 20 mA, can also be configured as
digital inputs or Ni 1000 input
Relay outputs 2: configurable 30 Vdc /5A (resistive), 250 Vac 2A (inductive)
Analog outputs 2: programmable (0/4 mA to 20 mA)
Serial interface
RS-485;
Protocols: USS, P1 and N2;
Transmission rate: Up to 38.4k Baud
IP20
NEMA Type 1 with protective shield and gland plate installed
Protection level
NEMA Type 12/IP54
Operating: 14°F to 104°F (–10°C to 40°C)
Temperature ranges
Storage: –40°F to 158°F (–40°C to 70°C)
Humidity 95% rh, non-condensing
Operational altitudes Up to 3280 ft (1000m) above sea level without derating