DigitalInputElectricalType provides the used digital input(s). The values of the MultiStateValueDiscreteType variable are defined in Table 144 and shall be used. The values 0-199 are reserved for future extensions of this specification. The values 200-299 shall be used for vendor-specific extensions of this variable.
Table 144 – PtDigitalInputElectricalAttributesType Attribute values for child Nodes
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Value Attribute |
Description Attribute |
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[ { "Value": 1, "DisplayName": "TTL", "Description": "Transistor-transistor logic (0..5 V)" }, { "Value": 2, "DisplayName": "HTL", "Description": "High threshold logic (0..24 V)" }, { "Value": 3, "DisplayName": "PNP", "Description": "PNP transistor type" }, { "Value": 4, "DisplayName": "NPN", "Description": "NPN transistor type" }, { "Value": 5, "DisplayName": "CONFIGURABLE", "Description": "Configurable" }, { "Value": 6, "DisplayName": "PULSE_TRAIN", "Description": "Pulse train" }, { "Value": 7, "DisplayName": "RELAY", "Description": "Electromechanical relay" } ] |
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SafetyPropertySupported true if the digital input has a safety property.
NumberOfChannels provides the number of channels of the digital input.