Comparison of features and protocolsPermalink

Communication and onboard protocols

Table 110: OPC UA server / OPC DA server

Processor module

PM5630

PM5650

PM5670

PM5675

PM5680

PM5685

OPC UA server1)

x

x

x

x

x

x

Number of free tags

3.000

10.000

30.000

30.000

30.000

60.000

Number of connections

10

20

50

50

50

100

Min. sampling rate (limit)

500 ms

100 ms

50 ms

50 ms

50 ms

50 ms

OPC DA server AE

x

x

x

x

x

x

Number of connections

8

8

8

8

8

8

Remarks:

1) Maximum number of free tags using arrays.

Table 111: Modbus, Telecontrol

Processor module

PM5630

PM5650

PM5670

PM5675

PM5680

PM5685

Modbus TCP client / server

x

x

x

x

x

x

Number of Modbus clients ModMast in parallel on a CPU master (server)

30

50

120

120

120

300

Number of Modbus server in parallel (e.g. for SCADA access)

15

25

50

50

50

250

IEC 60870-5-104 telecontrol protocol

x

x

x

x

-

x

Number of free tags

1.000

5.000

10.000

10.000

-

20.000

Control station (number of connections)

5

10

20

20

-

40

Sub-station (number of connections)

5

10

20

20

-

40