Result
Figure E-1 Ex d: Booster mounted
E.6 Booster commissioning
Condition
1. You operate the positioner with a booster.
2. '49.PNEUM' Pneumatics type (Page 159) parameter is set to 'booSt'.
Procedure for booster commissioning
1. Check whether the restrictor(s) on the positioner are completely open. With a new
positioner, the restrictors are factory-set to open. The position of the restrictors is shown in
the figure in section Device components (Page 28).
2. Set '31.DEBA' Deadband of controller (Page 148) to the largest value permissible for your
process. The largest value is usually 0.5.
3. Start the automatic initialization process as described under Commissioning (Page 107).
4. With RUN 3, the initialization is stopped for five seconds. During these five seconds, start
the function for setting the booster using the
button.
A cycle is started which continuously determines the overshoots. The values 'oSuP' and
'oSdo' are shown alternately in the display. 'oSuP' and 'oSdo' represent the values of the
overshoot in % of the total stroke.
Booster
E.6 Booster commissioning
SIPART PS2 with PROFIBUS PA
Operating Instructions, 05/2019, A5E00127926-AC 345
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