Notifications registered by the PLCnext Runtime System

The following tables show the notifications that are predefined in the PLCnext Runtime System and will be issued by the PLCnext Runtime System. 

Note: For security-related notifications with firmware 2022.0 LTS or newer, see Security notifications of PLCnext Runtime.

Compatibility

The SenderName declarations have changed over time. With firmware 2020.6 they have been consolidated and will now stay this way. 

Due to breaking changes with firmware 2022.0 LTS in the structure of notification archives, downgrading to a former firmware release causes an exception.

Remedy:

  • Reset the device to Default setting Type 1 (see Factory Reset).
    ↪ Existing notification archives will be closed and renamed.
    ↪ An archive with appropriate structure for the firmware is generated, with a first notification in it which points to the renamed archive from firmware 2022.0 LTS

Severity levels

In the Notifications WBM page (up to firmware 2024.6), these icons are displayed for the different severity levels:

  • icon for internal severity Internal
  • icon for information severity Information
  • icon for warning severity Warning
  • icon for error severity Error
  • icon for critical severity Critical
  • icon for fatal error severity Fatal

In the Notifications WBM 2 page (from firmware 2025.0), these icons are displayed for the different severity levels:

  • icon for internal severity Internal
  • icon for information severity Information
  • icon for warning severity Warning
  • icon for urgent warning severity Urgent (warning)
  • icon for error severity Error
  • icon for critical severity Critical (error)
  • icon for fatal error severity Fatal (error)
Note: From firmware version 2023.6 on, notifications with the severity Internal are no longer logged.

Notifications by SenderName

The notifications in the following sections are grouped by their SenderName and ordered by their NotificationName. Newest entries are marked green in the Availability column.

Note: All notifications listed below are sent with Registered state, except for these:

  • System Manager's Arp.System.Acf.SystemManager.Startup notification is sent with an Unregistered state
  • Arp.System.TimeSync.ExternalTimeModification.Disabled notification is sent with a Subscribed state

Alarms

These Notifications are only shown here, because they are used internally by the implementation. These notifications are not intended to be used or sent directly. Instead, the designated methods of the AlarmServer should be used. It is recommended to read the Alarms description before working with these notifications. 

From firmware version 2023.6 alarm notifications (Arp.Services.Alarms.Log.*) are logged into a separate archive alarms (file: /opt/plcnext/projects/Default/Services/NotificationLogger/alarms.config).

Note: If the notification is generated by the embedded OPC UA® Server then the NotificationName ends with .eUAServer. If generated by a function block then the NotificationName ends with .eCLR.
NotificationName ↓ Severity PayloadTypeName Availability
Arp.Services.Alarms.Log.AcknowledgeRequest.eUAServer or 
Arp.Services.Alarms.Log.AcknowledgeRequest.eCLR
icon for internal severity Internal Arp::System::Nm::StringPayload from 2019.0 LTS
Arp.Services.Alarms.Log.AcknowledgeRequest2.eUAServer or 
Arp.Services.Alarms.Log.AcknowledgeRequest2.eCLR
icon for internal severity Internal Arp::System::NmPayload::Alarms::Internal::AckConfPayload from 2020.6
Arp.Services.Alarms.Log.AddAlarm.eUAServer or 
Arp.Services.Alarms.Log.AddAlarm.eCLR
icon for internal severity Internal Arp::System::NmPayload::Alarms::Internal::AlarmPayload from 2019.0 LTS
Arp.Services.Alarms.Log.AddComment.eUAServer or 
Arp.Services.Alarms.Log.AddComment.eCLR
icon for internal severity Internal Arp::System::NmPayload::Alarms::Internal::AckConfPayload from 2020.6
Arp.Services.Alarms.Log.ConfirmRequest.eUAServer or 
Arp.Services.Alarms.Log.ConfirmRequest.eCLR
icon for internal severity Internal Arp::System::Nm::StringPayload from 2019.0 LTS
Arp.Services.Alarms.Log.ConfirmRequest2.eUAServer or 
Arp.Services.Alarms.Log.ConfirmRequest2.eCLR
icon for internal severity Internal Arp::System::NmPayload::Alarms::Internal::AckConfPayload from 2020.6
Arp.Services.Alarms.Log.NewState.eUAServer or 
Arp.Services.Alarms.Log.NewState.eCLR
icon for internal severity Internal Arp::System::NmPayload::Alarms::Internal::AlarmPayload from 2019.0 LTS

AlarmServer

Configurable alarms depending on the alarm server are available from firmware 2024.0 LTS.

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Services.AlarmServer.Error icon for error severity Error Arp::System::Nm::StringPayload from 2024.0 LTS
Arp.Services.AlarmServer.Info icon for information severity Information Arp::System::Nm::StringPayload from 2024.0 LTS
Arp.Services.AlarmServer.Warning icon for warning severity Warning Arp::System::Nm::StringPayload from 2024.0 LTS

Axioline

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Io.Axioline.Configuration.Error icon for error severity Error Arp::System::NmPayload::Io::Axioline::AxioServiceErrorPayload from 2023.0 LTS
Arp.Io.Axioline.Device.Error icon for error severity Error Arp::System::NmPayload::Io::Axioline::AxioDeviceDiagPayload from 2023.0 LTS
Arp.Io.Axioline.Device.Info icon for information severity Information Arp::System::NmPayload::Io::Axioline::AxioDeviceDiagPayload from 2023.0 LTS
Arp.Io.Axioline.Device.Warning icon for warning severity Warning Arp::System::NmPayload::Io::Axioline::AxioDeviceDiagPayload from 2023.0 LTS
Arp.Io.Axioline.Error icon for error severity Error Arp::System::NmPayload::Io::Axioline::AxioStatePayload from 2020.0 LTS
Arp.Io.Axioline.Parameterization.Error icon for error severity Error Arp::System::NmPayload::Io::Axioline::AxioPdiErrorPayload from 2023.0 LTS
Arp.Io.Axioline.StateChanged icon for information severity Information Arp::System::NmPayload::Io::Axioline::AxioStatePayload from 2020.0 LTS
Arp.Io.Axioline.Warning icon for warning severity Warning Arp::System::NmPayload::Io::Axioline::AxioStatePayload from 2020.0 LTS

DataLogger

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Services.DataLogger.Error icon for error severity Error Arp::System::Nm::StringPayload from 2020.3
Arp.Services.DataLogger.Info icon for information severity Information Arp::System::Nm::StringPayload from 2020.3
Arp.Services.DataLogger.Session.RemovedOnException icon for error severity Error Arp::System::NmPayload::Services::DataLogger::ExceptionInformationPayload from 2024.0 LTS
Arp.Services.DataLogger.StatusChanged icon for information severity Information Arp::System::Nm::StringPayload from 2020.3
Arp.Services.DataLogger.Warning icon for warning severity Warning Arp::System::Nm::StringPayload from 2021.6

Device Interface

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Device.Interface.AddIpSettingsEntryFailed icon for error severity Error Arp::System::NmPayload::Device::AddIpSettingsEntryPayload from 2025.0
Arp.Device.Interface.ChangeIpSettingsEntryFailed icon for error severity Error Arp::System::NmPayload::Device::ChangeIpSettingsEntryPayload from 2025.0
Arp.Device.Interface.EthernetLinkStateChanged icon for information severity Information Arp::System::NmPayload::Device::EthernetLinkStatePayload from 2019.0 LTS
Arp.Device.Interface.ExtensionModulesState icon for information severity Information Arp::System::NmPayload::Device::PciDeviceStatePayload from 2019.0 LTS
Arp.Device.Interface.FanControl.CalibrationStarted icon for information severity Information Arp::System::Nm::StringPayload from 2020.6
Arp.Device.Interface.IpSettingsEntryAdded icon for information severity Information Arp::System::NmPayload::Device::AddIpSettingsEntryPayload from 2025.0
Arp.Device.Interface.IpSettingsEntryChanged icon for information severity Information Arp::System::NmPayload::Device::ChangeIpSettingsEntryPayload from 2025.0
Arp.Device.Interface.IpSettingsEntryRemoved icon for information severity Information Arp::System::NmPayload::Device::RemoveIpSettingsEntryPayload from 2025.0
Arp.Device.Interface.NetworkConfigurationChanged icon for information severity Information Arp::System::NmPayload::Device::NetworkConfigurationChangedPayload from 2019.0 LTS
Arp.Device.Interface.NetworkConfigurationFailed icon for error severity Error Arp::System::NmPayload::Device::NetworkConfigurationChangedPayload from 2019.0 LTS
Arp.Device.Interface.NtpConfigurationChanged icon for information severity Information Arp::System::NmPayload::Device::NtpConfigurationChangedPayload from 2020.3
Arp.Device.Interface.NtpConfigurationFailed icon for error severity Error Arp::System::NmPayload::Device::NtpConfigurationChangedPayload from 2020.3
Arp.Device.Interface.PowerSupplyStatus.Changed icon for information severity Information Arp::System::NmPayload::Device::PowerSupplyStatusPayload from 2023.0 LTS
Arp.Device.Interface.PowerSupplyStatus.Warning icon for warning severity Warning Arp::System::NmPayload::Device::PowerSupplyStatusPayload from 2023.0 LTS
Arp.Device.Interface.RealTimeClock.BatteryCapacityFailure icon for warning severity Warning Arp::System::Nm::StringPayload from 2023.6
Arp.Device.Interface.RemoveIpSettingsEntryFailed icon for error severity Error Arp::System::NmPayload::Device::RemoveIpSettingsEntryPayload from 2025.0
Arp.Device.Interface.SdCardStateChanged icon for warning severity Warning Arp::System::NmPayload::Device::SdCardStateChangedPayload from 2019.0 LTS
Arp.Device.Interface.UserPartitionUsage.Changed icon for information severity Information Arp::System::NmPayload::Device::UserPartitionUsagePayload from 2020.6
Arp.Device.Interface.UserPartitionUsage.Critical icon for warning severity Warning Arp::System::NmPayload::Device::UserPartitionUsagePayload from 2020.6

Device UPS

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Device.Ups.UpsHealthFailure [1] icon for error severity Error Arp::System::Nm::StringPayload from 2022.6
Arp.Device.Ups.UpsHealthWarning icon for warning severity Warning Arp::System::Nm::StringPayload from 2022.6
Arp.Device.Ups.UpsStateOfChargeGood icon for information severity Information Arp::System::Nm::StringPayload from 2023.6
Arp.Device.Ups.UpsStateOfChargeLow icon for warning severity Warning Arp::System::Nm::StringPayload from 2023.6
  1. Important: If the system variable UPS_DIAGNOSTICS.HFAIL is TRUE then the controller must be sent to Phoenix Contact for repair. This applies to the controllers AXC F 3152RFC 4072S and BPC 9102S. Please contact Phoenix Contact or your local subsidiary for further details. 

eCLR

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Plc.Eclr.DcgFailed
(from 2023.6 see PLC Manager: Arp.Plc.Domain.DownloadChanges.Failed or Arp.Plc.Domain.DownloadChanges.Refused)
icon for error severity Error Arp::System::Nm::StringPayload 2022.6 to 2023.3
Arp.Plc.Eclr.Critical icon for internal severity Critical Arp::System::Nm::StringPayload from 2025.0
Arp.Plc.Eclr.Error icon for error severity Error Arp::System::Nm::StringPayload from 2025.0
Arp.Plc.Eclr.Fatal icon for internal severity Fatal Arp::System::Nm::StringPayload from 2025.0
Arp.Plc.Eclr.Info icon for information severity Information Arp::System::Nm::StringPayload from 2025.0
Arp.Plc.Eclr.Internal icon for internal severity Internal Arp::System::Nm::StringPayload from 2025.0
Arp.Plc.Eclr.Warning icon for warning severity Warning Arp::System::Nm::StringPayload from 2025.0

ESM

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Plc.Esm.Configuration.Validation.Warning icon for warning severity Warning Arp::System::Nm::StringPayload from 2024.0 LTS
Arp.Plc.Esm.Exception.Arp.Plc.Esm icon for error severity Error Arp::System::NmPayload::Plc::ExceptionInformationPayload 2019.0 LTS to 2023.9
Arp.Plc.Esm.Exception icon for error severity Error Arp::System::NmPayload::Plc::ExceptionInformationPayload from 2024.0 LTS

GDS

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Plc.Gds.Exception
(from 2023.6 see PLC Manager: Arp.Plc.Domain.DownloadChanges.Failed or Arp.Plc.Domain.Plc.Failed)
icon for error severity Error Arp::System::NmPayload::Plc::Gds::ExceptionInformationPayload 2021.0 LTS to 2023.3
Arp.Plc.Gds.ForceManager.ModeChanged icon for information severity Information Arp::System::NmPayload::Plc::ForceInformationPayload from 2019.9
Arp.Plc.Gds.Warning icon for warning severity Warning Arp::System::Nm::StringPayload from 2025.0
Arp.Plc.Meta.InvalidProject.PointerInStruct
(from 2023.6 see PLC Manager: Arp.Plc.Domain.DownloadChanges.Failed or Arp.Plc.Domain.Plc.Failed)
icon for error severity Error Arp::System::Nm::StringPayload 2021.0 LTS to 2023.3
Arp.Plc.Meta.InvalidProject.PointerToHidden
(from 2023.6 see PLC Manager: Arp.Plc.Domain.DownloadChanges.Failed or  Arp.Plc.Domain.Plc.Failed)
icon for error severity Error Arp::System::Nm::StringPayload 2020.3 to 2023.3

Interbus

Note: INTERBUS notifications for diagnostics are only registered if an INTERBUS hardware module is present.

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Io.Interbus.Configuration.Error icon for error severity Error Arp::System::NmPayload::Io::Interbus::ServiceErrorPayload from 2023.6
Arp.Io.Interbus.Parameterization.Error icon for error severity Error Arp::System::NmPayload::Io::Interbus::PcpErrorPayload from 2023.6
Arp.Io.Interbus.Error icon for error severity Error Arp::System::NmPayload::Io::Interbus::StatePayload from 2023.6

Modbus Client

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Io.ModbusClient.Error icon for error severity Error Arp::System::NmPayload::Io::ModbusClient::ModbusDiagPayload from 2024.6
Arp.Io.ModbusClient.Info icon for information severity Information Arp::System::NmPayload::Io::ModbusClient::ModbusDiagPayload from 2024.6
Arp.Io.ModbusClient.Warning icon for warning severity Warning Arp::System::NmPayload::Io::ModbusClient::ModbusDiagPayload from 2024.6

NotificationLogger

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Services.NotificationLogger.Archive.FileFormatMigrationDowngrade icon for warning severity Warning Arp::System::NmPayload::NotificationLogger::StorageFileFormatMigrationPayload from 2022.0 LTS
Arp.Services.NotificationLogger.Archive.FileFormatMigrationFailed icon for error severity Error Arp::System::NmPayload::NotificationLogger::StorageFileFormatMigrationPayload from 2022.0 LTS
Arp.Services.NotificationLogger.Archive.FileFormatMigrationNotPossible icon for error severity Error Arp::System::NmPayload::NotificationLogger::StorageFileFormatMigrationPayload from 2022.0 LTS
Arp.Services.NotificationLogger.Archive.FileFormatMigrationSuccessful icon for information severity Information Arp::System::NmPayload::NotificationLogger::StorageFileFormatMigrationPayload from 2022.0 LTS
Arp.Services.NotificationLogger.Archive.FileIntegrityCheckFailed icon for error severity Error Arp::System::NmPayload::NotificationLogger::StorageFileIntegrityCheckPayload from 2022.0 LTS
Arp.Services.NotificationLogger.Archive.InvalidStorageFile icon for error severity Error Arp::System::NmPayload::NotificationLogger::InvalidStorageFilePayload from 2022.6
Arp.Service.NotificationLogger.ClosingArchive [2] icon for information severity Information Arp::System::NmPayload::NotificationLogger::MessageWithArchiveNamePayload from 2019.0 LTS
Arp.Services.NotificationLogger.ClosingArchive icon for information severity Information Arp::System::NmPayload::NotificationLogger::MessageWithArchiveNamePayload from 2022.6
  1. Not to be confused with the NotificationName in the following row!
    Up to firmware 2022.0 LTS, this NotificationName startet really Arp.Service, not Arp.Services. That was unwanted.
    From 2022.6 on, all the notifications from this SenderName start with Arp.Services.

Notification Manager

NotificationName ↓ Severity PayloadTypeName Availability
Arp.System.Nm.ExceptionDuringNotify.ExternalIoProcess icon for error severity Error Arp::System::Nm::StringPayload from 2019.0 LTS
Arp.System.Nm.ExceptionDuringNotify.LocalIoProcess icon for error severity Error Arp::System::Nm::StringPayload from 2019.0 LTS
Arp.System.Nm.ExceptionDuringNotify.MainProcess icon for error severity Error Arp::System::Nm::StringPayload from 2019.0 LTS
Arp.System.Nm.ExceptionDuringNotify.MonitoringProcess icon for error severity Error Arp::System::Nm::StringPayload  
Arp.System.Nm.SubscribeToNotRegisteredNotification icon for warning severity Warning; 
from 2025.0:
icon for information severity Information
Arp::System::Nm::NmSubscribeFailedPayload<Arp::System::Nm::NmSubscribeToNotRegisteredPayload> from 2019.0 LTS
Arp.System.Nm.SubscribeToUnregisteredNotification icon for error severity Error;
from 2025.0:
icon for information severity Information
Arp::System::Nm::NmSubscribeFailedPayload<Arp::System::Nm::NmSubscribeToUnregisteredPayload> from 2019.0 LTS

OPC UA® Server

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Services.OpcUAServer
(from 2023.3 see rows below at Arp.Services.OpcUAServer.StartFailed)
icon for error severity Error Arp::System::Nm::StringPayload only 2023.0 LTS
Arp.Services.OpcUAServer.MethodCall  icon for error severity Error Arp::System::Nm::StringPayload from 2020.3
Arp.Services.OpcUAServer.PubSub.Error icon for error severity Error Arp::System::Nm::StringPayload from 2022.6
Arp.Services.OpcUAServer.PubSub.Warning icon for warning severity Warning Arp::System::Nm::StringPayload from 2022.6
Arp.Services.OpcUAServer.StartFailed icon for error severity Error Arp::System::Nm::StringPayload from 2023.3

OPC UA® Client

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Services.Modules.OpcUAServer.Client.CloseInternalSessionFailed icon for error severity Error Arp::System::Nm::StringPayload from 2023.3
Arp.Services.Modules.OpcUAServer.Client.CreateInternalSessionFailed icon for error severity Error Arp::System::Nm::StringPayload from 2023.3
Arp.Services.Modules.OpcUAServer.Client.CreateRemoteSubscriptionFailed icon for error severity Error Arp::System::Nm::StringPayload from 2023.3
Arp.Services.Modules.OpcUAServer.Client.GetRemoteSessionFailed icon for error severity Error Arp::System::Nm::StringPayload from 2023.3
Arp.Services.Modules.OpcUAServer.Client.GetVariableHandleFailed icon for error severity Error Arp::System::Nm::StringPayload from 2025.0
Arp.Services.Modules.OpcUAServer.Client.LicenseCheckFailed icon for warning severity Warning Arp::System::Nm::StringPayload from 2023.0 LTS
Arp.Services.Modules.OpcUAServer.Client.LicenseCheckPassed icon for information severity Information Arp::System::Nm::StringPayload from 2023.0 LTS
Arp.Services.Modules.OpcUAServer.Client.LicenseTrialStarted icon for information severity Information Arp::System::Nm::StringPayload from 2023.0 LTS
Arp.Services.Modules.OpcUAServer.Client.LicenseTrialStopped icon for warning severity Warning Arp::System::Nm::StringPayload from 2023.0 LTS
Arp.Services.Modules.OpcUAServer.Client.LocalCreateMonitoredItemFailed icon for error severity Error Arp::System::Nm::StringPayload from 2023.3
Arp.Services.Modules.OPCUAServer.Client.NodeMapping icon for warning severity Warning Arp::System::Nm::StringPayload from 2023.6
Arp.Services.Modules.OpcUAServer.Client.OpenInternalSessionFailed icon for error severity Error Arp::System::Nm::StringPayload from 2023.3
Arp.Services.Modules.OPCUAServer.Client.ParseLocalVariable icon for warning severity Warning Arp::System::Nm::StringPayload from 2023.6
Arp.Services.Modules.OPCUAServer.Client.ParseRemoteVariableDescriptor icon for warning severity Warning Arp::System::Nm::StringPayload from 2023.6
Arp.Services.Modules.OpcUAServer.Client.RemoteCreateMonitoredItemFailed icon for error severity Error Arp::System::Nm::StringPayload from 2023.3
Arp.Services.Modules.OpcUAServer.Client.RemoteCreateMonitoredItemsFailed icon for error severity Error Arp::System::Nm::StringPayload from 2023.3
Arp.Services.Modules.OpcUAServer.Client.WriteValueToLocalFailed icon for error severity Error Arp::System::Nm::StringPayload from 2023.3
Arp.Services.Modules.OpcUAServer.Client.WriteValueToRemoteFailed icon for error severity Error Arp::System::Nm::StringPayload from 2023.3

PLC Condition Manager

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Plc.Domain.PlcConditionManager.ConditionFailed icon for information severity Information Arp::System::NmPayload::Plc::PlcConditionFailedPayload 2022.0 LTS only

PLC Manager

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Plc.Domain.DownloadChanges.Failed
(2021.0 LTS to 2023.3 see at SenderName GDS: Arp.Plc.Gds.Exception)
icon for error severity Error Arp::System::Nm::StringPayload from 2023.6
Arp.Plc.Domain.DownloadChanges.Refused icon for warning severity Warning Arp::System::Nm::StringPayload from 2023.6
Arp.Plc.Domain.Plc.Condition.Failed
(2022.6 to 2023.3 see rows below at  Arp.Plc.Domain.PlcManager.ConditionFailed)
icon for information severity Information Arp::System::Nm::StringPayload from 2023.6
Arp.Plc.Domain.Plc.Condition.StartingDelayed
(2022.6 to 2023.3 see rows below at Arp.Plc.Domain.PlcManager.StartingDelayed)
icon for information severity Information Arp::System::Nm::StringPayload from 2023.6
Arp.Plc.Domain.Plc.Failed
(2021.0 LTS to 2023.3 see at SenderName GDS: Arp.Plc.Gds.Exception)
icon for error severity Error Arp:.System::Nm::StringPayload from 2023.6
Arp.Plc.Domain.Plc.StateChanged
(2019.0 LTS to 2023.3 see rows below at Arp.Plc.Domain.PlcManager.StateChanged)
icon for information severity Information Arp::System::NmPayload::Plc::PlcStateChangedPayload from 2023.6
Arp.Plc.Domain.PlcManager.ConditionFailed icon for information severity Information Arp::System::Nm::StringPayload 2022.6 to 2023.3
Arp.Plc.Domain.PlcManager.StartingDelayed icon for information severity Information Arp::System::Nm::StringPayload 2022.6 to 2023.3
Arp.Plc.Domain.PlcManager.StateChanged icon for information severity Information Arp::System::NmPayload::Plc::PlcStateChangedPayload 2019.0 LTS to 2023.3

PLM

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Plc.Plm.DcgNotPossible
(from 2023.6 see SenderName PLC Manager:  Arp.Plc.Domain.DownloadChanges.Refused)
icon for information severity Information Arp::System::Nm::StringPayload 2019.3 to 2023.3

ProfiCloud V3

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Services.ProfiCloudV3.BufferSizeInvalid icon for warning severity Warning Arp::System::Nm::StringPayload from 2023.0 LTS

PROFINET Controller

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Io.PnC.Alarm icon for information severity Information Arp::System::NmPayload::Io::ProfinetStack::AlarmPayload2 from 2021.0 LTS
Arp.Io.PnC.ArAbort icon for information severity Information Arp::System::NmPayload::Io::ProfinetStack::MessageWithStationNamePayload from 2019.0 LTS
Arp.Io.PnC.ArReady icon for information severity Information Arp::System::NmPayload::Io::ProfinetStack::MessageWithStationNamePayload from 2019.0 LTS
Arp.Io.PnC.ConfigurationWarning icon for warning severity Warning Arp::System::Nm::StringPayload from 2020.6 [1]
Arp.Io.PnC.DcpSignal icon for internal severity Internal Arp::System::NmPayload::Io::ProfinetStack::DcpSignalPayload from 2020.3
Arp.Io.PnC.DiagStateChanged icon for information severity Information Arp::System::Nm::StringPayload from 2022.0 LTS
Arp.Io.PnC.PnStationStateChanged icon for internal severity Internal Arp::System::NmPayload::Io::ProfinetStack::PnStationStatePayload from 2019.0 LTS
Arp.Io.PnC.ResetToFactoryDefaults icon for information severity Information Arp::System::Nm::StringPayload from 2019.0 LTS
Arp.Io.PnC.SetInterfaceAddress icon for information severity Information Arp::System::NmPayload::Io::ProfinetStack::InterfaceAddressPayload from 2019.0 LTS
Arp.Io.PnC.SetStationName icon for information severity Information Arp::System::NmPayload::Io::ProfinetStack::MessageWithStationNamePayload from 2019.0 LTS
  1. only if project was made with PLCnext Engineer 2020.3

PROFINET Device

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Io.PnD.ArAbort icon for information severity Information Arp::System::NmPayload::Io::ProfinetStack::MessageWithStationNamePayload from 2019.0 LTS
Arp.Io.PnD.ArReady icon for information severity Information Arp::System::NmPayload::Io::ProfinetStack::MessageWithStationNamePayload from 2019.0 LTS
Arp.Io.PnD.DcpSignal icon for internal severity Internal Arp::System::NmPayload::Io::ProfinetStack::DcpSignalPayload from 2020.3
Arp.Io.PnD.PnStationStateChanged icon for internal severity Internal Arp::System::NmPayload::Io::ProfinetStack::PnStationStatePayload from 2019.0 LTS
Arp.Io.PnD.ResetToFactoryDefaults icon for information severity Information Arp::System::Nm::StringPayload from 2019.0 LTS
Arp.Io.PnD.SetInterfaceAddress icon for information severity Information Arp::System::NmPayload::Io::ProfinetStack::InterfaceAddressPayload from 2019.0 LTS
Arp.Io.PnD.SetStationName icon for information severity Information Arp::System::NmPayload::Io::ProfinetStack::MessageWithStationNamePayload from 2019.0 LTS

PROFINET System

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Io.PnS.SystemConfigRestored icon for warning severity Warning Arp::System::Nm::StringPayload only 2019.9 and 2020.0 LTS

Redundancy Manager

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Services.RedundancyManager.ErrorOccured icon for error severity Error Arp::System::Nm::StringPayload from 2022.0 LTS
Arp.Services.RedundancyManager.RoleChanged icon for information severity Information Arp::System::NmPayload::Services::Redundancy::RedundancyStateChangedPayload from 2022.0 LTS
Arp.Services.RedundancyManager.StatusChanged icon for information severity Information Arp::System::Nm::StringPayload from 2022.0 LTS
Arp.Services.RedundancyManager.SwitchOver icon for information severity Information Arp::System::Nm::StringPayload from 2022.0 LTS
Arp.Services.RedundancyManager.TypeChanged icon for information severity Information Arp::System::NmPayload::Services::Redundancy::RedundancyStateChangedPayload from 2022.0 LTS

Retain Manager (former PLC Retain)

Note: Up to firmware release 2023.0 LTS the SenderName was PLC Retain.

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Plc.Retain.Error icon for error severity Error Arp::System::Nm::StringPayload from 2020.6
Arp.Plc.Retain.Info icon for information severity Information Arp::System::Nm::StringPayload from 2023.0 LTS
Arp.Plc.Retain.RetainManager icon for error severity Error Arp::System::Nm::StringPayload from 2019.3 to 2020.3
Arp.Plc.Retain.Warning icon for error severity Warning Arp::System::Nm::StringPayload from 2020.6

SPLC

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Services.SpnsProxy.General.Notification icon for information severity Information Arp::System::Nm::StringPayload from 2020.3 to 2021.9
Arp.Services.SpnsProxy.General.Notification.Error
(Note: This notifcation will be registered on first use)
icon for error severity Error Arp::System::Nm::StringPayload from 2022.0 LTS
Arp.Services.SpnsProxy.General.Notification.Info
(Note: This notifcation will be registered on first use)
icon for information severity Information Arp::System::Nm::StringPayload from 2022.0 LTS
Arp.Services.SpnsProxy.Integrity.Error icon for error severity Error Arp::System::Nm::StringPayload from 2025.0
Arp.Services.SpnsProxy.Integrity.Success icon for information severity Information Arp::System::Nm::StringPayload from 2025.0
Arp.Services.SpnsProxy.Integrity.Warning icon for warning severity Warning Arp::System::Nm::StringPayload from 2025.0
Arp.Services.SpnsProxy.Profisafe.F_ADDR_XXXXX_ACK_REQ icon for information severity Information Arp::System::NmPayload::Services::SpnsProxy::SpnsProxyProfisafeNotificationPayload from 2020.3
Arp.Services.SpnsProxy.Profisafe.F_ADDR_XXXXX_CE_CRC icon for information severity Information Arp::System::NmPayload::Services::SpnsProxy::SpnsProxyProfisafeNotificationPayload from 2020.3
Arp.Services.SpnsProxy.Profisafe.F_ADDR_XXXXX_CE_CRC_H icon for information severity Information Arp::System::NmPayload::Services::SpnsProxy::SpnsProxyProfisafeNotificationPayload from 2020.3
Arp.Services.SpnsProxy.Profisafe.F_ADDR_XXXXX_CHF_ACK_REQ icon for information severity Information Arp::System::NmPayload::Services::SpnsProxy::SpnsProxyProfisafeNotificationPayload from 2020.3
Arp.Services.SpnsProxy.Profisafe.F_ADDR_XXXXX_DEVICE_FAULT icon for information severity Information Arp::System::NmPayload::Services::SpnsProxy::SpnsProxyProfisafeNotificationPayload from 2020.3
Arp.Services.SpnsProxy.Profisafe.F_ADDR_XXXXX_IPAR_OK icon for information severity Information Arp::System::NmPayload::Services::SpnsProxy::SpnsProxyProfisafeNotificationPayload from 2020.3
Arp.Services.SpnsProxy.Profisafe.F_ADDR_XXXXX_LOOPBACK icon for information severity Information Arp::System::NmPayload::Services::SpnsProxy::SpnsProxyProfisafeNotificationPayload from 2020.3
Arp.Services.SpnsProxy.Profisafe.F_ADDR_XXXXX_PASS_OUT icon for information severity Information Arp::System::NmPayload::Services::SpnsProxy::SpnsProxyProfisafeNotificationPayload from 2020.3
Arp.Services.SpnsProxy.Profisafe.F_ADDR_XXXXX_WD_TIMEOUT icon for information severity Information Arp::System::NmPayload::Services::SpnsProxy::SpnsProxyProfisafeNotificationPayload from 2020.3
Arp.Services.SpnsProxy.Profisafe.F_ADDR_XXXXX_WD_TIMEOUT_H icon for information severity Information Arp::System::NmPayload::Services::SpnsProxy::SpnsProxyProfisafeNotificationPayload from 2020.3
Arp.Services.SpnsProxy.Profisafe.ProfisafeCommunicationBit icon for information severity Information Arp::System::NmPayload::Services::SpnsProxy::SpnsProxyProfisafeNotificationPayload from 2020.3
Arp.Services.SpnsProxy.Splc.LedRegisterChanged icon for internal severity Internal Arp::System::NmPayload::Services::SpnsProxy::SpnsLedRegisterChangedPayload from 2023.6
Arp.Services.SpnsProxy.Splc.StateChanged icon for internal severity Internal Arp::System::NmPayload::Services::SpnsProxy::SpnsStateChangedPayload from 2023.0 LTS

SystemEvents

NotificationName ↓ Severity PayloadTypeName Availability
Arp.Services.SystemEvents.PowerDown icon for warning severity Warning Arp::System::Nm::StringPayload from 2022.6

System Manager

NotificationName ↓ Severity PayloadTypeName Availability
Arp.System.Acf.SystemManager.LibraryError icon for error severity Error Arp::System::NmPayload::Acf::LibraryErrorPayload from 2025.0
Arp.System.Acf.SystemManager.Startup
(Note: This notification is sent with the Unregistered state!)
icon for information severity Information Arp::System::NmPayload::Acf::SystemStartupPayload from 2019.0 LTS
Arp.System.Acf.SystemManager.StateChanged icon for information severity Information Arp::System::NmPayload::Acf::SystemManagerStatePayload from 2019.0 LTS

System Monitoring

NotificationName ↓ Severity PayloadTypeName Availability
Arp.System.Monitoring.Monitor.ProcessDied.ExternalIoProcess icon for internal severity Critical Arp::System::Monitoring::Monitor::ProcessDiedEventPayload from 2025.0
Arp.System.Monitoring.Monitor.ProcessDied.LocalIoProcess icon for internal severity Critical Arp::System::Monitoring::Monitor::ProcessDiedEventPayload from 2025.0
Arp.System.Monitoring.Monitor.ProcessDied.MainProcess icon for internal severity Critical Arp::System::Monitoring::Monitor::ProcessDiedEventPayload from 2025.0
Arp.System.Monitoring.Monitor.ProcessDied.MonitoringProcess icon for internal severity Critical Arp::System::Monitoring::Monitor::ProcessDiedEventPayload from 2025.0
Arp.System.Monitoring.Monitor.SystemCpuLoad.Critical.Load.Swd.Come icon for internal severity Critical Arp::System::Monitoring::Monitor::ThresholdEventPayload from 2025.0
Arp.System.Monitoring.Monitor.SystemCpuLoad.Critical.Load.Swd.Gone icon for information severity Information Arp::System::Monitoring::Monitor::ThresholdEventPayload from 2025.0
Arp.System.Monitoring.Monitor.SystemCpuLoad.Critical.Load.Warn.Come icon for internal severity Critical Arp::System::Monitoring::Monitor::ThresholdEventPayload from 2025.0
Arp.System.Monitoring.Monitor.SystemCpuLoad.Critical.Load.Warn.Gone icon for information severity Information Arp::System::Monitoring::Monitor::ThresholdEventPayload from 2025.0
Arp.System.Monitoring.Monitor.SystemCpuLoad.Disturb.Load.Swd.Come icon for internal severity Critical Arp::System::Monitoring::Monitor::ThresholdEventPayload from 2025.0
Arp.System.Monitoring.Monitor.SystemCpuLoad.Disturb.Load.Swd.Gone icon for information severity Information Arp::System::Monitoring::Monitor::ThresholdEventPayload from 2025.0
Arp.System.Monitoring.Monitor.SystemCpuLoad.Disturb.Load.Warn.Come icon for internal severity Critical Arp::System::Monitoring::Monitor::ThresholdEventPayload from 2025.0
Arp.System.Monitoring.Monitor.SystemCpuLoad.Disturb.Load.Warn.Gone icon for information severity Information Arp::System::Monitoring::Monitor::ThresholdEventPayload from 2025.0
Arp.System.Monitoring.Monitor.SystemCpuLoad.Full.Load.Warn.Come icon for internal severity Critical Arp::System::Monitoring::Monitor::ThresholdEventPayload from 2025.0
Arp.System.Monitoring.Monitor.SystemCpuLoad.Full.Load.Warn.Gone icon for information severity Information Arp::System::Monitoring::Monitor::ThresholdEventPayload from 2025.0
Arp.System.Monitoring.Monitor.SystemRamLoad.RamLoad.Swd.Come icon for internal severity Critical Arp::System::Monitoring::Monitor::ThresholdEventPayload from 2025.0
Arp.System.Monitoring.Monitor.SystemRamLoad.RamLoad.Swd.Gone icon for information severity Information Arp::System::Monitoring::Monitor::ThresholdEventPayload from 2025.0
Arp.System.Monitoring.Monitor.SystemRamLoad.RamLoad.Warn.Come icon for internal severity Critical Arp::System::Monitoring::Monitor::ThresholdEventPayload from 2025.0
Arp.System.Monitoring.Monitor.SystemRamLoad.RamLoad.Warn.Gone icon for information severity Information Arp::System::Monitoring::Monitor::ThresholdEventPayload from 2025.0

System Watchdog

NotificationName ↓ Severity PayloadTypeName Availability
Arp.System.Watchdog.WatchdogStatusChanged icon for warning severity Warning Arp::System::NmPayload::SystemWatchdog::SystemWatchdogStateChangedPayload from 2019.9

Time Sync

NotificationName ↓ Severity PayloadTypeName Availability
Arp.System.TimeSync.ExternalTimeModification.Disabled
(Note: This notification is sent with the Subscribed state!)
icon for warning severity Internal from 2025.0

 

 

 


• Published/reviewed: 2025-06-06  ✿  Revision 080 •