Siemens SIPART PS2 6DR50xx Betriebsanleitung PDF herunterladen (Seite 181)

Alarm, error, and system messages

11.2 Diagnosis

SIPART PS2 with and without HART communications

Operating Instructions, 09/2007, A5E00074631-07

181

11.2.3 Meaning of diagnostics values

1 STRKS - stroke number

The movements of the actuator in operation are summed up and can be read here as the

stroke number. Unit: 100% strokes, i.e. the path between 0 and 100% and back. The value is

written in a non-volatile memory every 15 minutes. The non-volatile memory can be set to

zero using the

increment button.

2 CHDIR - number of changes of direction

Every change of direction of the actuator caused in the dead zone is noted in the closed-loop

controller and added to the number of changes of direction.

The value is written in a non-volatile memory every 15 minutes. The non-volatile memory

can be set to zero using the

increment button.

3 CNT - number of fault messages

Every fault is noted in the closed-loop controller and added to the number of fault messages.

The counter can be set to zero using the

increment button.

4 A1CNT - number of alarms 1

and

5 A2CNT - number of alarms 2

The response of alarms 1 and 2 is counted using these two counters. Activation of alarms

using the "AFCT" parameter is a condition for this. The counters can be set to zero using the

increment button.

6 HOURS - operating hours

The runtime meter is incremented every hour as soon as electric auxiliary power is supplied

to the positioner.

7 WAY - determined actuator travel

This value indicates the actuator travel determined during the initialization process as per the

display at the end of an initialization process. Conditions for lift actuators: Specification of the

lever arm using the "YWAY" parameter.

8 TUP - actuating time up

9 TDOWN - actuating time down

These values indicate the actuating times determined during the initialization process. The

unit is seconds.

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Siemens SIPART PS2 6DR50xx Betriebsanleitung Seite 181