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Serial CPs -- Product information -- Technical data
How do you load the 3D, CAx and ePLAN data for the SIMATIC products?
Which modules can you use when implementing software redundancy?
What protocols for the point-to-point connection are supported by CPs in S7-300 / S7-400 and where can you get further information?
CP340-Functions
How do you define the levels of CP 340 / CP 341 / CP 440 / CP 441 with RS 485/X.27?
CP441 functions
CP341-Functions
Possible baud rates for S7-400 PtP communication
Maximum number of centrally slottable CP 340s
Possible transfer rates of the CP 341 depending on the interface
Possible baud rates for S7-400 PtP communication
Part number:

QUESTION:
Does the maximum transfer rate of the S7-400 PtP CPs depend on the MLFB?

ANSWER:
In some S7-400 PtP CPs the maximum transfer rate does depend on the MLFB of the CP.

The following table lists the maximum transfer rates of the S7-400 PtP CPs.

Module

MLFB

ASCII
driver

3964(R)

RK 512

Printer driver

CP 440

6ES7 440-
1CS00-0YE0

300 - 115200
bit/s

300 -115200
bit/s

--

--

CP 441-1

6ES7 441-
1AA00-0AE0

--

300 - 38400
bit/s (1)

--

--

CP 441-1

6ES7 441-
1AA01-0AE0

300 - 38400
bit/s (1)

300 - 38400
bit/s (1)

--

300 - 38400
bit/s (1)

CP 441-1

6ES7 441-
1AA02-0AE0

300 - 38400
bit/s (1)

300 - 38400
bit/s (1)

--

300 - 38400
bit/s (1)

CP 441-1

6ES7 441-
1AA03-0AE0

300 - 38400
bit/s (1)

300 - 38400
bit/s (1)

--

300 - 38400
bit/s (1)

CP 441-2

6ES7 441-
2AA00-0AE0

--

300 - 76800
bit/s (1)

300 - 76800
bit/s (1)

--

CP 441-2

6ES7 441-
2AA01-0AE0

300 - 76800
bit/s (1)

300 - 76800
bit/s (1)

300 - 76800
bit/s (1)

300 - 76800
bit/s (1)

CP 441-2

6ES7 441-
2AA02-0AE0

300 - 76800
bit/s (1)

300 - 76800
bit/s (1)

300 - 76800
bit/s (1)

300 - 76800
bit/s (1)

CP 441-2

6ES7 441-
2AA03-0AE0

300 - 115200
bit/s (1),(2)

300 - 115200
bit/s (1),(2)

300 - 115200
bit/s (1),(2)

300 - 76800
bit/s (1)

Table 1: Transfer rates of S7-400 PtP CPs

(1) With 20 mA TTY interface only 300 -19200 bit/s is possible
(2) Sum baud rate max. 115200 bit/s

Note:
With CP441-2 (6ES7 441-2AA03-0AE0) the maximum permissible transfer rate of both interfaces is in sum 115200 bit/s.


 Entry ID:17471776   Date:2003-11-06 
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