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Scope: Core (OPC-10000-*) All specs

2 result(s) for HighLimit

OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.8.18 LimitAlarmType

ObjectType NonExclusiveLimitAlarmType Defined in Clause 5.8.20 HasProperty Variable HighHighLimit Double PropertyType Optional HasProperty Variable HighLimit Double PropertyType Optional HasProperty Variable LowLimit Double PropertyType Optional HasProperty Variable LowLowLimit Double PropertyType Optional ... High > Low > LowLow. If Deadband properties are provided then: HighHighLimit - HighHighDeadband > HighLimit HighLimit - HighDeadband > LowLimit LowLimit + LowDeadband < HighLimit LowLowLimit + LowLowDeadband < LowLimit Four optional base
OPC-10000-9 – OPC Unified Architecture - Part 9: Alarms & Conditions

5.8.22.1 Overview

LowLowLimit shall be negative, indicating a number below the target value and the HighLimit and HighHighLimit shall be positive, indicating a number above the target value. If provided, the limits ... shall not be zero and shall follow these rules: HighHighLimit > HighLimit LowLimit > LowLowLimit . For example, if the LowLimit is -2 then a LowLowLimit of -1 would