6.5.2 Function block
GUID-C20AF735-FF25-411B-9EA6-11D595484613 V3 EN
Figure 325: Function block
6.5.3 Functionality
The generic runtime counter function MDSOPT calculates and presents the
accumulated operation time of a machine or device as the output. The unit of time
for accumulation is hour. The function generates a warning and an alarm when the
accumulated operation time exceeds the set limits. It utilizes a binary input to
indicate the active operation condition.
The accumulated operation time is one of the parameters for scheduling a service
on the equipment like motors. It indicates the use of the machine and hence the
mechanical wear and tear. Generally, the equipment manufacturers provide a
maintenance schedule based on the number of hours of service.
6.5.4 Operation principle
The function can be enabled and disabled with the Operation setting. The
corresponding parameter values are "On" and "Off".
The operation of the generic runtime counter for machines and devices can be
described using a module diagram. All the modules in the diagram are explained in
the next sections.
GUID-6BE6D1E3-F3FB-45D9-8D6F-A44752C1477C V1 EN
Figure 326: Functional module diagram
Operation time counter
This module counts the operation time. When POS_ACTIVE is active, the count is
continuously added to the time duration until it is deactivated. At any time the
OPR_TIME output is the total duration for which POS_ACTIVE is active. The unit
of time duration count for OPR_TIME is hour. The value is available through the
Monitored data view.
The OPR_TIME output is a continuously increasing value and it is stored in a non-
volatile memory. When POS_ACTIVE is active, the OPR_TIME count starts
Section 6 1YHT530004D05 D
Supervision functions
600 615 series
Technical Manual
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