SUNFAR C300 77
C300 series of non-sensor current vector-control inverter manual
The fourth part of LED: communication protocol selection.
If the local dosen’t receive data signals correctly in defined time interval, the
communication is fault. Inverter will keep on running or stopping according to
setting of parameter F9.3.
It is used for setting proportion of output freq. between Master and Slave, when
takes linkage setting control.
When F9.6 is 0, rectify channel of linkage setting proportion is invalid.
Slave freq. = Master freq.× [F9.5]
When F9.6 is 1, 2,3 or 4, rectify channel of linkage setting proportion is valid.
Slave freq. = Master freq.× [F9.5]×value of rectify channel or the max value of
rectify channel
F9.6 is used for selecting rectify channel.
Rectify channel 1：Panel potentiometer
Rectify channel 2：External voltage signal VC（0 ~ 10V）
Rectify channel 3：External current signal CC（0 ~ 20mA）
6.11
Special function parameter unit
It defines lower limit voltage which terminals P+ and P- are allow while inverter is
working normally. For some low voltage conditions, user can decrease under
voltage protection level to ensure that inverter is running normally.
It defines threshold of voltage stall protection while motor is decelerating. If DC
voltage caused by decelerating is beyond setting value of FC.1, deceleration time
will automatic prolong. Shown as fig6-34.
F9.7 Reserved
F9.4 Checkout time of communication overtime
Setting range：0.0 ~ 100.0 Sec
F9.5 Linkage setting proportion Setting range： 0.01 ~ 10.00
F9.6 Rectify channel of linkage setting proportion Setting range： 0 ~ 4
FC.0 Under voltage protection level Setting range： 360V ~ 460V
FC.1 Over voltage limit level Setting range： 660V ~ 760V
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