dl-breadcrumbs__homedl-breadcrumb-item__separatorHardware descriptionsdl-breadcrumb-item__separatorDevice specificationsdl-breadcrumb-item__separatorProcessor modulesdl-breadcrumb-item__separator...dl-breadcrumb-item__separatorAC500 and AC500-XCdl-breadcrumb-item__separatorProduct overview and comparisondl-breadcrumb-item__separatorEthernet protocols and ports for AC500 processor modulesdl-breadcrumb-item__separatorLimitation of connections per protocol
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Limitation of connections per protocoldl-permalink__symbolPermalink

The limitation for each CPU apply to all onboard Ethernet interfaces either directly on the CPU itself or also on all CM5640-2ETH interfaces that are added to this CPU.

Protocol

PM5630-2ETH

PM5650-2ETH

PM5670-2ETH

PM5675-2ETH

PM5680-2ETH

PM5685-2ETH

³ CPU firmware

Modbus TCP server (e.g. for SCADA access)

30

40

15

15

100

40

25

25

100

40

50

50

100

40

50

50

n/a

n/a

n/a

50

n/a

n/a

n/a

250

3.0.3

3.1.0

3.1.3

3.8.0

Modbus TCP client with POU ModTcpMast (PLCopen style)

30

30

30

100

50

50

100

120

120

100

120

120

n/a

n/a

120

n/a

n/a

300

3.1.0

3.1.3

3.8.0

IEC60870-5-104 control station incl. 2nd connection and 2nd port

10

5

5

10

10

10

10

20

20

10

20

20

n/a

n/a

n/a

n/a

n/a

40

3.1.0

3.4.0

3.8.0

IEC60870-5-104 substation incl. 2nd port

10

5

5

10

10

10

10

20

20

10

20

20

n/a

n/a

n/a

n/a

n/a

40

3.1.0

3.4.0

3.8.0

IEC60870-5-104: No. of free tags

1.000

1.000

5.000

5.000

10.000

10.000

10.000

10.000

n/a

n/a

n/a

20.000

3.4.0

3.8.0

FTP server

4

4

4

4

4

4

4

4

n/a

4

n/a

4

3.1.0

3.8.0

Online access with driver 3S TCP/IP BlkDrvTcp

n/a

8

8

4

8

8

n/a

8

8

n/a

8

8

n/a

n/a

8

n/a

n/a

8

3.0.0

3.1.0

3.8.0

OPC DA server (number of connections)

n/a

8

8

4

8

8

n/a

8

8

n/a

8

8

n/a

n/a

8

n/a

n/a

8

3.0.0

3.1.0

3.8.0

OPC UA server (number of connections) 2)

50

10

10

50

20

20

50

50

50

50

50

50

n/a

n/a

50

n/a

n/a

100

3.1.0

3.4.0

3.8.0

No. of free tags

+ additional license for extension 1)

3.000

3.000

10.000

10.000

30.000

30.000

30.000

30.000

n/a

30.000

n/a

60.000

3.4.0

3.8.0

min sampling rate (limit)

500 ms

500 ms

100 ms

100 ms

50 ms

50 ms

50 ms

50 ms

n/a

50 ms

n/a

50 ms

3.4.0

3.8.0

Secure online access with driver 3S TCP/IP BlkDrvTcp

8

8

8

8

8

8

8

8

n/a

8

n/a

8

3.1.0

3.8.0

FTPS - secure FTP server

4

4

4

4

4

4

4

4

n/a

4

n/a

4

3.1.0

3.8.0

HTTPS – Integrated webserver – number of connections

4

4

8

8

12

12

12

12

n/a

12

n/a

12

3.4.0

3.8.0

Ethernet/IP

Maximum number of Input/Output

0.5 kB/ 0.5 kB

0.5 kB/ 0.5 kB

0.5 kB/ 0.5 kB

0.5 kB/ 0.5 kB

0.5 kB/ 0.5 kB

0.5 kB/ 0.5 kB

0.5 kB/ 0.5 kB

0.5 kB/ 0.5 kB

n/a

0.5 kB/ 0.5 kB

n/a

0.5 kB/ 0.5 kB

3.4.1

3.8.0

DNP3 Outstation

Number of tags

1000

10000

3000

3000

10000

10000

10000

10000

n/a

n/a

n/a

15000

V3.7.0

3.8.0

Number of clients

8

8

8

8

8

8

8

8

n/a

n/a

n/a

8

V3.7.0

3.8.0

Maximum number of events buffering

200000

200000

350000

350000

800000

800000

800000

800000

n/a

n/a

n/a

800000

V3.7.0

3.8.0

Remarks:

1) The feature can be enabled via PLC configuration. ⮫ “Extension of the default OPC UA tag limitation”

2) Maximum number of free tags using arrays.

The PLC types PM5630-2ETH, PM5670-2ETH and PM5675-2ETH are available as of SystemFW 3.1.0.