Runtime Counter For Machines And Devices Optm - ABB 615 series Technical Manual

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Supervision functions

Runtime counter for machines and devices OPTM

Identification

Function description

Runtime counter for machines and

Function block

GUID-C20AF735-FF25-411B-9EA6-11D595484613-ANSI V2 EN

Function block

Functionality

The generic operation time counter function OPTM 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.

Operation principle

The function can be enabled and disabled with the Operation setting. The corresponding

parameter values are "Enable" and "Disable".

The operation of OPTM can be described using a module diagram. All the modules in the

diagram are explained in the next sections.

identification

1MAC059074-MB A

ANSI/IEEE C37.2

device number

615 series ANSI

Technical Manual

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