Program features 77
supply voltage. The actual voltage used is shown by parameter 01.19 Used supply
volt. The DC voltage (U
DC
) equals 1.35 times this value.
Automatic identification of the supply voltage is performed every time the drive is
powered on. Automatic identification can be disabled by parameter 47.03
SupplyVoltAutoId; the user can then define the voltage manually at parameter 47.04
Supply voltage.
The intermediate DC circuit is charged over an internal resistor which is bypassed
when the capacitors are considered charged and the voltage is stabilized.
Settings
Parameter group 47 Voltage ctrl (page 228).
Diagnostics
Parameters 01.07 Dc-voltage (page 112), 01.19 Used supply volt (page 112) and
06.05 Limit word1 (page 128).
01.07 Dc-voltage
Undervoltage control level (0.8 × U
DC
; 400 V min.)
Undervoltage fault level (U
DC,
low - 50 V; 350 V min.)
Overvoltage control level (1.25 × U
DC
; 810 V max.)
Overvoltage fault level (U
DC,
high + 70 V; 880 V max.)*
U
DC
= 1.35 × 01.19 Used supply volt
U
DC
, high = 1.25 x U
DC
U
DC
, low = 0.8 x U
DC
*Drives with 230 V supply voltage (ACQ810-04-xxxx-2): The overvoltage fault
level is set to 500 V and the minimum levels for undervoltage control and fault are
removed.
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