Siemens SINAMICS PERFECT HARMONY GH180 - Page 111

Parameter ID Unit De‐
fault
Min Max Description
This feature will be
released in a later
software version
Precharge service
mode
2637 0 0 1 Select pre-charge maintenance mode.
This feature will be
released in a later
software version
Precharge service
start
2638 0 0 1 Start pre-charge in maintenance mode.
*This applies to the features (denoted in the table above) that will be released in a later soft‐
ware update.
To pre-charge water-cooled 6SR325 drives, set parameters as follows:
• Set parameter Precharge enable (2635) to 'Type 5 Open' or 'Type 6 Closed'.
• Set parameter Cell voltage (2550) to ‘750 V AP’ or ‘750 V AP 4Q.’
Refer to the Water-cooled Operating Instructions Manual for more information on the 750 V
AP cell.
CAUTION
Incorrect parameter settings
The drive will not work properly if relevant parameters are not set correctly.
Incorrect parameter settings may impair the drive function and cause severe material damage.
Verify changed parameters and ensure that all parameter settings are correct.
Table 6-17 AP Settings (2585) Parameters
Parameter ID Unit Default Min Max Description
AP Cells/phase 2581 0 0 8 Enter number of AP cells installed per phase.
AP cell current rat‐
ing
2582 A 787.0 300.0 1500.0 Set AP input current rating for cell.
AP cell overcurrent 2621 % 165.0 100.0 200.0 Set AP over current rating for cell.
AFE cell input reac‐
tance
2583 μH 242.0 50.0 500.0 Set AFE per phase input line reactance.
AP cell PWM har‐
monic
2584 25th Select the AP cell PWM frequency as a mul‐
tiple of the fundamental frequency. Possible
selections are 13, 15, 17, 19, 21, 23, 25, 27
and 29. However, 29 is not a valid selection
for 60 Hz applications.
AP cell control
mode
2586 1 Select the AP cell control algorithm.
Parameter Assignment/Addressing
6.5 Options for Drive Menu (2) - 󹪝rst part
NXGPro+ Control Manual
Operating Manual, A5E50491925A 109