Siemens Energy & Automation 5-5
SIMOREG DC Master Base Drive Panel Operating Instructions
6) Requirements to achieve control stability:
The control stability (closed-loop PI control) is referred to the rated motor speed and applies
when the SIMOREG converter is warm. The following conditions are applicable:
• Temperature changes of ±10 °C.
• Line voltage changes corresponding to +10% /
– 5% of the rated input voltage.
• Temperature coefficient of temperature-compensated tachometer 0.15‰ per 10 °K,
(applies only to analog tachometer).
• Constant setpoint (14-bit resolution).
• Motor, load, and encoder are correctly aligned and the load is balanced.
7) Details of overload capability:
Following operation at rated load, base drive panels are capable of carrying 150% of rated load
for 1 minute, followed by a period of light load operation of such duration that the rms load does
not exceed rated continuous current. Base Drive Panels are designed for operation with
heatsink air inlet temperatures up to 45°C.
5.4 Applicable standards
UL508A
National Electrical Code 1999
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