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Siemens SIMATIC ET 200SP Function Manual

Siemens SIMATIC ET 200SP
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OPC UA communication
9.3 Using the S7-1500 as an OPC UA server
Communication
240 Function Manual, 11/2019, A5E03735815-AH
Monitored Item Service Set
CreateMonitoredItems
ModifyMonitoredItems
DeleteMonitoredItems
SetMonitoringMode
SetTriggering
Subscription Service Set
CreateSubscription
ModifySubscription
DeleteSubscriptions
Publish
Republish
SetPublishingMode
9.3.6.6 Subscription diagnostics
Information about a subscription
S7-1500 CPUs as of firmware version V2.8 are able to create an entry in the diagnostic
buffer at state changes of a subscription.
The diagnostic buffer displays the new state; exception: "KeepAlive".
Requirement
In the OPC UA properties of the CPU, the option "Subscriptions: Change of status" (OPC UA
> Server > Diagnostics) is selected.
Example
An OPC UA client is connected to an S7-1500 CPU as OPC UA server and generates a
subscription in the server.
The diagnostic options for subscriptions are selected in the OPC UA properties of the CPU.
The "Creating" and "Normal" states are entered one after the other with the corresponding
subscription ID in the diagnostic buffer.

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Siemens SIMATIC ET 200SP Specifications

General IconGeneral
System TypeDistributed I/O System
MountingDIN Rail
Communication ProtocolPROFINET, PROFIBUS
IP RatingIP20
CategoryI/O Systems
Supply Voltage24 V DC
ModularityYes
Hot SwappingYes
Storage Temperature-40°C to +70°C
Digital InputsYes
Digital OutputsYes
Analog InputsYes
Analog OutputsYes
Communication InterfacePROFINET, PROFIBUS
Number of ModulesUp to 64
Relative Humidity5 to 95% (non-condensing)
Operating Temperature-25°C to +60°C

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