Operating instructions

8 Additional information
BU 0700 GB-1411 Subject to technical alterations 121
8.2.2 Process controller parameter settings
(Example: Setpoint frequency: 50Hz, control limits: +/- 25%)
P105 (maximum frequency) [Hz] :
 
   








100%
% P415Hzfreq. Setpoint
Hzfreq. Setpoint
: E.g.



%100
%2550
50
Hz
Hz
62.5 Hz
P400 (Funct. analog input) : “4” (frequency addition)
P411 (setpoint frequency) [Hz] : Set frequency with 10 V at analog input 1
: E.g. 50 Hz
P412 (Process controller setpoint) : CR middle position / Default setting 5 V (adapt if necessary)
P413 (P controller) [%] : Factory setting 10% (adapt if necessary)
P414 (I-controller) [% / ms] : recommended
ms
%
10.0
P415 (limitation +/-) [%] : Controller limitation (see above)
Note: In the function process controller, parameter P415 is used as a controller
limiter downstream from the PI controller. This parameter therefore has a
double function.
Example 25% of setpoint
P416 (ramp before controller) [s] : Factory setting 2s (if necessary, adjust to controller behaviour)
P420 (Funct. Switch digital input 1) : "1" Enable right
P421 (Funct. Switch digital input 2) : "40" actual value PID process controller (only with Basic I/O or Standard I/O)
Alternatively, the 2
nd
analog input (P405=14) of the multi I/O can be used.