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Functions
7.9 Application-specific functions
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
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Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD
Parameters to set and activate the cascade control:
p0730 = r2379.0
Signal source for digital output 0
Control external motor 1 via DO 0
p0731 = r2379.1
Signal source for digital output 1
Control external motor 2 via DO 1
p0732 = r2379.2
Signal source for digital output 2
Control external motor 3 via DO 2
p2200 = 1
Technology controller enable
Activate technology controller
p2251 = 0
Technology controller mode
Technology controller as main speed setpoint
p2370
Cascade control - enable
Signal source for staging on/off
p2371
Cascade control- configuration Activate staging and define switch-on sequence
p2372
Cascade control - motor selection mode
Define automatic motor switch-on
p2373
Cascade control - switch-in threshold
Define switch-on threshold
p2374
Cascade control - switch-in delay
Define delay time
p2375
Cascade control switch-off delay
Define delay time for destaging
p2376
Cascade control - overcontrol threshold
Define overcontrol threshold
p2377
Cascade control - interlock time
Define interlock time
p2378
Cascade control - switch-on/switch-off speed
Defining the speed for the main drive after switching-on/switching-off a motor
r2379
Cascade control - status word
p2380
Cascade control - operating hours
p2381
Cascade control - maximum time for continuous mode
p2382
Cascade control - absolute operating time limit
p2383
Cascade control - switch-off sequence
Define switch-off sequence for an OFF command
p2384
Cascade control - motor switch-on delay
Define motor switch-on delay
p2385
Cascade control - switch-in speed hold time
Define speed hold time after switching-in of an external motor
p2386
Cascade control - motor switch-off delay
Define motor switch-off delay
p2387
Cascade control - switch-off speed hold timeDefine speed hold time after
switching-off of an external motor
For more information about the parameters, see the List Manual.
Summary of Contents for SINAMICS G120 CU230P-2
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