Watson-Marlow MM440 - Manual (Page 180)

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
P
2257
P
2258
P
2261
P2271
P
2269
P
2270
P2265
P
2280
P
2285
0
SUM
P1070
P1075 AFM
P
1120
P
1121
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 x
722.x
CI: PID setpoint P2253 1024 Fixed setpoint (FF)
MOP
1050
Analog input 1 755.0
USS on BOP link 2015.1
USS on COM link 2019.1
CB on COM link 2050.1
CI: PID feedback P2264 755.0 Analog input 1
Analog input 2
755.1
CI: Main setpoint P1070
PID mode
1024 Fixed setpoint (FF)
MOP
1050
Analog input 1 755.0
USS on BOP link 2015.1
USS on COM link 2019.1
CB on COM link 2050.1
P2251 1 PID as trim