SED2 VFD Electronic Bypass Operating Instructons
Table 6. SED2 Specifications.
Drive Specifications Description
200V to 240V, 3 ac ± 10%. 1/2 hp to 60 hp, (2.3 Amps to 154 Amps)
380V to 480V, 3 ac ± 10% 1/2 hp to 125 hp, (1.2 Amps to 178 Amps)
Input voltage, 3 phase
power, and amps
500V to 600V, 3 ac ± 10% 1 hp to 125 hp, (2.3 Amps to 125 Amps)
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 110% 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
Setpoint resolution
0.01 Hz digital
0.01 Hz serial
10 bit analog
Digital inputs
(sink/source)
6: fully programmable and scalable isolated digital inputs, switchable
Analog inputs
2: 0 to 10 Vdc, 0/4 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 to 20 mA)
Serial interface
RS-485 Transmission rate: Up to 38.4k Baud
Protocols: Siemens, P1 and Johnson, N2;
IP20: NEMA Type 1 with protective shield and gland plate installed
Protection level
IP54: NEMA Type 12 (400V and 500V series only)
Temperature ranges
Operating: 14°F to 104°F (–10°C to 40°C)
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 de-rating
Under-voltage Stall prevention
Over-voltage Locked motor
Overload Motor overtemperature l2 t, PTC
Ground fault Over-temperature
Protection features
• • Short circuit Parameter PIN protection
Standards UL, cUL
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26 Siemens Building Technologies
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