3 Functions Issue 10/06
MICROMASTER 440 Operating Instructions
180 6SE6400-5AW00-0BP0
NOTE
When selecting the closed-loop dancer roll control it should be noted that neither
PID-MOP nor PID-FF should be used - but instead the MOP (motorized
potentiometer, refer to Section 3.9) or the FF (fixed frequencies, refer to Section
3.7).
MOP
ADC
PID
SUM
PID
FF
USS
BOP link
USS
COM link
CB
COM link
ADC2
P2254
P2253
PID
RFG
PID
PT1
−
∆
PID
P2200
P2264
PID
PT1
PID
SCL
&
P2251
= 1
Output
PID
0
1
Motor
control
P2257
P2258
P2261
P2271
P2269
P2270
P2265
P2280
P2285
0
SUM
P1070
P1075
AFM
P1120
P1121
RFG
Fig. 3-58 Structure of the closed-loop PID-dancer roll control
Table 3-27 Important parameters for the PID dancer roll control
Parameter
BI: Enable PID controller
P2200
Parameter text Setting Meaning
1.0 PID controller always active
Digital input x722.x
CI: PID setpointP2253 1024 Fixed setpoint (FF)
MOP1050
Analog input 1755.0
USS on BOP link2015.1
USS on COM link2019.1
CB on COM link2050.1
CI: PID feedback
P2264 755.0 Analog input 1
Analog input 2755.1
CI: Main setpointP1070
PID mode
1024 Fixed setpoint (FF)
MOP1050
Analog input 1755.0
USS on BOP link2015.1
USS on COM link2019.1
CB on COM link2050.1
P2251 1 PID as trim
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