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112
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Operation Instruction of S900 E Series Inverter
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113
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For fan and pump load, you can select “variable torque” for better
energy saving.
P803
Overvoltage protection setting Initial value: change
Setting range
760 – 820
Unit
1
P803 sets DC-bus overvoltage protection level. This function could
be used to avoid over voltage protection during deceleration.
P804
Undervoltage protection setting Initial value: change
Setting range
380 – 450
Unit
1
P804 sets voltage protection level.
If the input voltage is low, inverter is easy to trip for undervoltage.
This function could be used to avoid inverter protection undervoltage
.
P805
Over temperature protection setting Initial value: change
Setting range
40 – 120
Unit
1
P805 sets the over temperature protection level of inverter. In high
temperature environment, the protection level could be improved
appropriately, to guarantee the normal running of inverter. However,
too high setting value will result in IGBT damage, so the only
solution is to improve the effect of heat elimination, so as to achieve
the goal of cooling-down.
P806
Current display filter time Initial value: 2.0
Setting range 0 – 100
Unit
1
This parameter setting is relevant to the stabilization of current
display, and shall not be modified in general. If the setting is too
small, current display will fluctuate.
P807
0-10V analogue output low end calibration coefficient Initial value: *
Setting range
0 – 65535
Unit
1