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• Client ID

  • Optional MQTT client ID to use.  If specified this will be used in the MQTT Transmission connect packet when connecting to the server.  If left blank, a random client ID will be create of the form 'MT-xxxxxxxx-xxxx-xxxx'.

    Warning
    Caution: MQTT Clients IDs must be unique and if two clients attempt to connect with the same client ID, one will be forcefully disconnected from the server to allow the other client to connect.

    
    

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  Keep Alive Keep Alive

  Keep Alive
  • The maximum interval in seconds (5-65,535) between any two MQTT protocol control packets sent by the client to the server.
  • The minimum Keep Alive for MQTT Transmission is 5.
  • If the client is idle and has no control packets to send, it will send PINGREQ protocol packet and the server is required to respond with a PINGRESP packet. If no response is received from the server within 1.5 times the Keep Alive, the client will close the connection.

  • If the server does not receive, at minimum, a PINGREQ message from a client within 1.5 times the Keep Alive, it will terminate the connection and send the client's LWT if it has been defined.

  • For MQTT Transmission, this is an DEATH message.

• Random Startup Delay
  • The Random Startup Delay in milliseconds of the form 'min-max' where min is the low end and max is the high end of the random range. e.g. '10-1000'. 
• Reconnect Delay
  • The clients reconnect delay in millisecond.
• Subscribe to Legacy STATE Topic
  
  • Allow the Transmission Client to subscribe to a legacy state topic (eg. STATE/IamHost) for primary host ID notifications (available from release 4.0.16)
  • Review Changes to the STATE messages in the Sparkplug v3.0.0 Specification
• Data Format Type
  • The format of the data to send. Default is Sparkplug_B_v1_0_Protobuf with JSON as an option.

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ServerSettingsRPCClient ServerSettingsRPCClient

Server Settings - RPC Client Connection

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TransmittersAlarmSettings TransmittersAlarmSettings

Transmitters - Alarm Settings

• Alarm Event Enable

  • When enabled and alarms are enabled on tags, the contents of the triggered alarms will be transmitted via Sparkplug to MQTT Engine and will be inserted into the Ignition Alarm Journal on the server where MQTT Engine is installed.

    Note
    This is not full alarm support as the ability to clear or ack an alarm from MQTT Engine is not currently supported

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    Warning
    To use this feature you must add a line similar to the following to the data/ignition.conf file but replace the 'XX' with the proper index per the wrapper.java.additional statements: wrapper.java.additional.XX=--add-opens=java.base/java.util.concurrent.atomic=ALL-UNNAMED

    
    

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TransmittersSparkplugSettings TransmittersSparkplugSettings

Transmitters - Sparkplug Settings

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• Group ID
  • An ID representing a logical grouping of MQTT Edge Of Network (EoN) Nodes and Devices into the infrastructure.
• Edge Node ID
  • An ID that uniquely identifies the MQTT Edge Of Network (EoN) Node within the infrastructure.
• Device ID
  • An optional ID that uniquely identifies a Device within the infrastructure.

Note that if a 'Device ID' is not specified, any folder within the folder specified by the Tag Path will be considered a device folder and any Tags within it will be published as device Tags. 

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TransmittersAdvancedSettings TransmittersAdvancedSettings

Transmitters - Advanced SettingsImage Added

• Filtered Properties
  • A semicolon delimited list of Tag properties to filter/block from being published

  • By default the filtered properties list contains: 

    Code Block
    accessRights;clampMode;deadband;deadbandMode;formatString;historicalDeadband;historicalDeadbandMode;historicalDeadbandStyle;historyEnabled;historyMaxAge;historyMaxAgeUnits;historyProvider;historySampleRate;historySampleRateUnits;historyTagGroup;historyTimeDeadband;historyTimeDeadbandUnits;

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• Group ID
  • An ID representing a logical grouping of MQTT Edge Of Network (EoN) Nodes and Devices into the infrastructure.
• Edge Node ID
  • An ID that uniquely identifies the MQTT Edge Of Network (EoN) Node within the infrastructure.
• Device ID
  • An optional ID that uniquely identifies a Device within the infrastructure.

Note that if a 'Device ID' is not specified, any folder within the folder specified by the Tag Path will be considered a device folder and any Tags within it will be published as device Tags. 

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• Filtered Properties
  • A semicolon delimited list of Tag properties to filter/block from being published

  • By default the filtered properties list contains: 

    Code Block

    accessRights;clampMode;deadband;deadbandMode;formatString;historicalDeadband;historicalDeadbandMode;historicalDeadbandStyle;historyEnabled;historyMaxAge;historyMaxAgeUnits;historyProvider;historySampleRate;historySampleRateUnits;historyTagGroup;historyTimeDeadband;historyTimeDeadbandUnits;opcItemPath;opcServer;permissionModel;rawHigh;rawLow;sampleMode;scaleFactor;scaleMode;scaledHigh;scaledLow;tagGroup;valueSource;expression;expressionType;ConfiguredTagPath;eventScripts;readPermissions;writePermissions;eventScripts;parentEnabled;sourceTagPath

  • Tag properties are only published if different from the default Ignition tag property settings and are only published in BIRTH messages.
• Rebirth Debounce Delay
  • The amount of time, in milliseconds, to delay before processing Rebirth NCMD requests after one has been processed. Default of 5000 milliseconds.

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Within MQTT Transmission, a record is a collection of tags under an Ignition folder which are treated as a single entity and published on demand. They are usually used for, but not restricted to, sending flow computer records such as events, alarms and history data.

Each record will have an associated boolean tag that will trigger the record publish. The location of this boolean tag is defined in the Record - Advanced Settings section.

Records are published via an MQTT client using a Sparkplug-like format such as spBv1.0/Group/NRECORD/Edge or spBv1.0/Group/DRECORD/Edge/Device  

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The configuration sections available are Tag Settings, Sparkplug Settings and Advanced Settings.

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• Tag Provider
  • Free form field for the name of the tag provider where the record tags reside (i.e. default)
• Tag Folder Path
  • Free form field for the path to the tag folder under specified tag provider where the record tags reside
  • Do not include the provider name. For a tag path of [default]Edge Nodes/G1/E1/MyRecord, enter Edge Nodes/G1/E1/MyRecord
• Record Type
  • Free form field for the type of record represented by the tags in the folder path
  • This will be included in the NRECORD or DRECORD data and used by MQTT Recorder when creating DB tables or filtering the data inserted into the DB

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• • ;expression;expressionType;ConfiguredTagPath;eventScripts;readPermissions;writePermissions;eventScripts;parentEnabled;sourceTagPath

    
    

  • Tag properties are only published if different from the default Ignition tag property settings and are only published in BIRTH messages.
• Rebirth Debounce Delay
  • The amount of time, in milliseconds, to delay before processing Rebirth NCMD requests after one has been processed. Default of 5000 milliseconds.
• Include Sparkplug DataTypes
  • Whether or not to include Sparkplug DataTypes for Metrics in Sparkplug DATA payloads
  • Enabled by default

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Records Records

Records

Within MQTT Transmission, a record is a collection of tags under an Ignition folder which are treated as a single entity and published on demand. They are usually used for, but not restricted to, sending flow computer records such as events, alarms and history data.

Each record will have an associated boolean tag that will trigger the record publish. The location of this boolean tag is defined in the Record - Advanced Settings section.

Records are published via an MQTT client using a Sparkplug-like format such as spBv1.0/Group/NRECORD/Edge or spBv1.0/Group/DRECORD/Edge/Device  

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The configuration sections available are Tag Settings, Sparkplug Settings, Records Signature and Advanced Settings.

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RecordsTagSettings RecordsTagSettings

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• Tag Provider
  • Free form field for the name of the tag provider where the record tags reside (i.e. default)
• Tag Folder Path
  • Free form field for the path to the tag folder under specified tag provider where the record tags reside
  • Do not include the provider name. For a tag path of [default]Edge Nodes/G1/E1/MyRecord, enter Edge Nodes/G1/E1/MyRecord
• Record Type
  • Free form field for the type of record represented by the tags in the folder path
  • This will be included in the NRECORD or DRECORD data and used by MQTT Recorder when creating DB tables or filtering the data inserted into the DB

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RecordsSparkplugSettings RecordsSparkplugSettings

Records - Sparkplug Settings

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• Group ID
  • The Group ID that matches an existing Sparkplug Edge Node.
• Edge Node ID
  • The Edge Node ID that matches an existing Sparkplug Edge Node.
• Device ID
  • The Device ID that matches an existing Sparkplug Edge Node. (Optional)

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RecordsRecordsSignature RecordsRecordsSignature

Records - Records Signature

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• Enable Signature
  • Checkbox to enable a digital signature field on all Records. Default is de-selected
• Algorithm
  • The hashing algorithm to use when generating the digital signature
  • Options are SHA_1,SHA_224,SHA_256,SHA_384 and SHA_512
• Password
  
  • The password used to generate the PBE secret key for encrypting the digital signature 

To publish records, MQTT Transmission uses a configured Transmitter. The properties entered into the Sparkplug settings for Group ID, Edge ID and Device ID (optional) must match an existing Sparkplug Edge Node based on a Transmitter and tag tree configuration.

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• Group ID
  • The Group ID that matches an existing Sparkplug Edge Node.
• Edge Node ID
  • The Edge Node ID that matches an existing Sparkplug Edge Node.
• Device ID
  • The Device ID that matches an existing Sparkplug Edge Node. (Optional)

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RecordsAdvancedSettings RecordsAdvancedSettings

Records - Advanced Settings

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The History tab contains a Main section and an Advanced section.

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HistoryMain HistoryMain

History - Main

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• Name
  • The name of the History Store.
• Enabled
  
  • Checkbox to enable/disable the History Store. Not selected by default.
• Type
  • The type of History Store.
  • Data stored in an In-Memory History Store will not be persisted across a module configuration change, module disable/enable, module restart or power loss. 
  • Data stored in a Disk-Backed History Store will persist across a module configuration change, module disable/enable, module restart or power loss.History Store will persist across a module configuration change, module disable/enable, module restart or power loss.
• History Max Size
  • Maximum number of megabytes history can use before dropping the data
  • An In-Memory History store will use the Ignition Java Heap memory
• History Max Age
  
  • Maximum number of minutes to store history before dropping the data.
• Flush Quantity
  • The maximum number of tags to publish in a single message upon reestablishing communication.
• Flush Period
  • The period to wait in milliseconds between publishes when flushing messages upon reestablishing re-establishing communication

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HistoryAdvanced HistoryAdvanced

History - Advanced

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Rolling History Settings

• Enable Rolling History Buffer
  • Enable/disable storing data in a rolling buffer to cover data loss in Keep Alive timeout scenario
• Rolling History Prune Interval
  • The interval, in seconds at which to attempt to prune the rolling history buffer
• Rolling History Max Age
  • The maximum age allowed of data, in seconds, in the rolling history buffer
  • This should be at least 2 x the Keep Alive timeout
• Rolling History Prune Quantity
  • The number of metrics to prune in a single block

Advanced Settings

• H2 Database Port
  • TCP Port to connect to H2 Database for Disk-Backed History Store