Siemens SIPART PS2 6DR50xx Betriebsanleitung PDF herunterladen (Seite 184)

Alarm, error, and system messages

11.2 Diagnosis

SIPART PS2 with and without HART communications

184 Operating Instructions, 09/2007, A5E00074631-07

● rEF (the reference average is calculated)

The function was started, and the reference interval is in progress at the moment.

● COMP (the comparison average is calculated)

The function was started, and the comparison interval is in progress at the moment.

20 P0 - potentiometer value of the lower end stop

21 P100 - potentiometer value of the upper end stop

Both these values indicate the measured values of the position displacement sensor

(potentiometer) on the lower or upper hard end stop, as they were determined during

automatic initialization. The values of manually approached end positions are applicable for

manual initialization.

22 IMPUP - impulse length up

This parameter can be set for special applications.

23 IMPDN - impulse length down

The smallest impulse lengths that can be used to move the actuator are determined during

the initialization process. They are separately determined for the "Up" and "Down" directions

and displayed here.

This parameter can be set for special applications.

24 DBUP - dead zone up

25 DBDN - dead zone down

The dead zones of the closed-loop controller in the "Up" and "Down" directions are displayed

here. The values correspond to either the manually set value of the "DEBA" parameter or the

automatically adapted value by the device if DEBA" was set to "Auto".

26 SSUP - slow step zone up

This parameter can be set for special applications.

27 SSDN - slow step zone down

The slow step zone is the zone of the closed-loop controller in which control signals are

issued in a pulsed manner. The impulse length is thus proportional to the control deviation. If

the control deviation is beyond the slow step zone, the valves are controlled using

permanent contact.

This parameter can be set for special applications.

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Siemens SIPART PS2 6DR50xx Betriebsanleitung Seite 184