Parameters
List of Parameters
1-250
© Siemens AG 2007 All Rights Reserved
SINAMICS G120 Control Units CU240S, Edition 05/2007
Description: Sets integral time constant for PID controller.
Note: See P2280 (PID proportional gain).
Description: Sets upper limit for PID controller output in [%].
Dependency: If f_max (P1082) is greater than P2000 (reference frequency), either P2000 or P2291 (PID output upper limit) must
be changed to achieve f_max.
Note: P2291 = 100 % corresponds to 4000 hex (as defined by P2000 (reference frequency)).
Description: Sets lower limit for the PID controller output in [%].
Dependency: A negative value allows bipolar operation of PID controller.
Note: P2292 = 100 % corresponds to 4000 hex.
Description: Sets maximum ramp rate on output of PID.
When PI is enabled, the output limits are ramped up from 0 to the limits set in P2291 (PID output upper limit) and
P2292 (PID output lower limit). Limits prevent large step changes appearing on the output of the PID when the
inverter is started. Once the limits have been reached, the PID controller output is instantaneous.
These ramp times are used whenever a RUN command is issued.
Note: If an OFF1 or OFF 3 are issued, the inverter output frequency ramps down as set in P1121 (ramp-down time) or
P1135 (OFF3 ramp-down time).
Description: Displays PID output in [%].
Note: r2294 = 100 % corresponds to 4000 hex.
p2285 PID integral time / PID integral time
Access level: 2 P-Group: Technology Data type: Floating Point
Quick comm. NO Active: YES Data set: -
Can be changed: U, T
Min Max Factory setting
0.000 [s] 60.000 [s] 0.000 [s]
p2291 PID output upper limit / PID outp.upper lim
Access level: 2 P-Group: Technology Data type: Floating Point
Quick comm. NO Active: YES Data set: -
Can be changed: U, T
Min Max Factory setting
-200.00 [%] 200.00 [%] 100.00 [%]
p2292 PID output lower limit / PID outp.lower lim
Access level: 2 P-Group: Technology Data type: Floating Point
Quick comm. NO Active: YES Data set: -
Can be changed: U, T
Min Max Factory setting
-200.00 [%] 200.00 [%] 0.00 [%]
p2293 Ramp-up /-down time of PID limit / PID lim. ramp time
Access level: 3 P-Group: Technology Data type: Floating Point
Quick comm. NO Active: YES Data set: -
Can be changed: U, T
Min Max Factory setting
0.00 [s] 100.00 [s] 1.00 [s]
r2294 CO: Act. PID output / Act.PID output
Access level: 2 P-Group: Technology Data type: Floating Point
Unit: [%] Data set: -
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