Siemens SIMATIC S7-1500/ET 200MP System Manual page 220

Table 9- 10 Maximum number of simultaneously running jobs for asynchronous instructions for OPC UA.
OPC UA instruction
OPC_UA_Connect
OPC_UA_NamespaceGetIndexLi
st
OPC_UA_NodeGetHandleList
OPC_UA_MethodGetHandleList 4*
OPC_UA_TranslatePathList
OPC_UA_ReadList
OPC_UA_WriteList
OPC_UA_MethodCall
OPC_UA_NodeReleaseHandleLi
st
OPC_UA_MethodReleaseHandl
eList
OPC_UA_Disconnect
OPC_UA_ConnectionGetStatus
* maximum 1 per connection
Automation system
System Manual, 01/2023, A5E03461182-AK
1511(C/F/T/TF)
1512C
1513(F)
4
4*
4*
4*
20 in total (max. 5 per
connection, see
OPC_UA_Connect)
20 in total (max. 5 per
connection, see
OPC_UA_Connect)
20 in total (max. 5 per
connection, see
OPC_UA_Connect)
4*
4*
4*
4*
1505(S/SP/SP F/SP T/SP TF
)
1515(F/T/TF)
1515 SP PC (F/T/TF)
1516(F/T/TF)
10
10*
10*
10*
10*
50 in total (max. 5 per
connection, see
OPC_UA_Connect)
50 in total (max. 5 per
connection, see
OPC_UA_Connect)
50 in total (max. 5 per
connection, see
OPC_UA_Connect)
10*
10*
10*
10*
Basics of program execution
9.2 Asynchronous instructions
1507S(F)
1517(F/T/TF)
1518(F/T/TF//MFP)
40
40*
40*
40*
40*
200 in total (max. 5 per con-
nection, see OPC_UA_Connect)
200 in total (max. 5 per con-
nection, see OPC_UA_Connect)
200 in total (max. 5 per con-
nection, see OPC_UA_Connect)
40*
40*
40*
40*
219