Siemens SINAMICS G120 CU230P-2 HVAC Operating Instructions Manual page 266

Functions
7.9 Application-specific functions
Parameters to set and activate the cascade control:
p0730 = r2379.0
p0731 = r2379.1
p0732 = r2379.2
p2200 = 1
p2251 = 0
p2370
p2371
p2372
p2373
p2374
p2375
p2376
p2377
p2378
r2379
p2380
p2381
p2382
p2383
p2384
p2385
p2386
p2387
For more information about the parameters, see the List Manual.
264
Signal source for digital output 0
Control external motor 1 via DO 0
Signal source for digital output 1
Control external motor 2 via DO 1
Signal source for digital output 2
Control external motor 3 via DO 2
Technology controller enable
Activate technology controller
Technology controller mode
Technology controller as main speed setpoint
Cascade control - enable
Signal source for staging on/off
Cascade control- configuration Activate staging and define switch-on sequence
Cascade control - motor selection mode
Define automatic motor switch-on
Cascade control - switch-in threshold
Define switch-on threshold
Cascade control - switch-in delay
Define delay time
Cascade control switch-off delay
Define delay time for destaging
Cascade control - overcontrol threshold
Define overcontrol threshold
Cascade control - interlock time
Define interlock time
Cascade control - switch-on/switch-off speed
Defining the speed for the main drive after switching-on/switching-off a motor
Cascade control - status word
Cascade control - operating hours
Cascade control - maximum time for continuous mode
Cascade control - absolute operating time limit
Cascade control - switch-off sequence
Define switch-off sequence for an OFF command
Cascade control - motor switch-on delay
Define motor switch-on delay
Cascade control - switch-in speed hold time
Define speed hold time after switching-in of an external motor
Cascade control - motor switch-off delay
Define motor switch-off delay
Cascade control - switch-off speed hold timeDefine speed hold time after
switching-off of an external motor
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD