Shihlin electric SF-GT Series User Manual

Parameter Description
Parameters
160
<Setting>
• P.249 is used to switch the frequency from inverter operation to commercial power supply
operation. Between starting and P.249 inverter operation, an output frequency greater
than P.249 will automatically change the inverter operation to commercial power supply
operation. When P.249 is set to 99999, there is no automatic switchover.
• When P.250≠99999, automatic switchover is valid during the operation (P.249≠99999).
After the inverter operation is switched bypass operation, if the frequency reference is lower
than (P.249–P.250), the operation will be switched to inverter operation and run by the
frequency of the frequency reference. Inverter activation when the inverter start reference
(STF/STR) is turned off, the operation is also switched to the inverter operation.
• When P.250=99999, it is valid during automatic switchover operation (P.249≠99999). When
the inverter start reference (STF/STR) is turned off after the operation is changed from
inverter operation to commercial power supply operation, the operation will be changed to
the inverter operation and the motor will decelerate until it stops.
Examples for the commercial power supply frequency switchover function:
Assume that P.80=37, P.81=38, P.40=10 and P.129 = 9. The wiring diagram is presented
below:
NFB
R/L1
S/L2
T/L3
M
MC1
MC2
MC
1
MC
2
DC24V
STF
M1
M0
SD
SO1
SO2
SE
K1
K3
K2
10
5
2
U/T1
V/T2
W/T3
Please be cautious of the capacity of the output terminals. The used terminals vary
according to the setup of P.40, P.85, P.129 and P.130 (output terminal function
selection).When 10 is selected for the output terminal function, connect the relay that drives
the commercial power supply frequency operation. When 9 is selected for the output
terminal function, connect the relay that drives the inverter operation. When 37 is selected
for the input terminal function, commercial power-supply operation switchover function is
selected. When 38 is selected for the input terminal function, commercial power supply

Shihlin electric SF-GT Series Specifications

General

Frequency	50/60 Hz
Power Range	0.4kW ~ 630kW
Cooling Method	Forced air cooling
Output Frequency	0~400Hz
Control Method	V/F control, Sensorless Vector Control, Torque control
Overload Capacity	150% for 60 seconds
Braking Unit	Built-in
Protection Functions	Overcurrent, Overvoltage, Undervoltage, Short Circuit
Communication	Modbus RTU, Profibus DP, CANopen
Operating Temperature	-10°C to +50°C
Storage Temperature	-20°C to +60°C
Altitude	Below 1000m (derating required above 1000m)
Efficiency	98%
Humidity	Less than 95% RH (non-condensing)
Dimensions	Varies by model
Weight	Varies by model
Series	SF-GT Series