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Products: Linux: rk511_server.

Usage of the rk*_servers in USA prohibited. For more, see below


Get your free licence here:

DOWNLOAD Demoversion

Why licence if software for free ? Don't worry, we will not spam you with advertisement.

We only want to know, is the server is still in use. If there are no more implementations, we can stop the maintenace, if still in use, maintenance will proceed .

Your email address will be deleted immediately.We only get the message that a licence has been requested.
If yout want to contact us, please use the mail address in the page "Contact".

Version 64-Bit rkx_demo_V5.1.2 X86-64-Bit
Raspberry PI
Raspbian, Ubuntu etc.
rkx_demo_V5.1.2 Raspberry PI
Content rk*_server including documentation and samples.
INFO: About rk*_server
run time limitation: Each server process without a licence works for 4 hours each time you start it; this should be sufficient for evaluation.

Please observe recent bug notification in section News

32-Bit-Versions: Actual 32 bit versions of the servers only will be provided on request.
Actually, they is no more demand by clients.
On Requirement feel free to contact us.

rk511_server Info:

S5 to Linux connection using the plc`s programming device interface.
Allows access to serveral S5-CPUs.

Connects to S5 plc.

One CPUs can be accessed.

You can connect each CPU of the S5 family, not only the smallers !!


The package rk511_server consists of a server process and a client-library written in ANSI-C, which can be used to develop applications with access to S5/S7 data blocks. Up to 64 client processes can connect to the server at the same time. The server process coordinates the concurrent accesses of the clients and is responsible for the data transmission to the S5/S7 using the programming device interface protocol of the plc..

With the appropriate hardware at the Linux computer (serial devices) you can supervise several S5/S7 plcs at the same time.  

The usage of the rk*_servers in USA is prohibited. Explaination

We have thought for a long time if we can do this prohibition, because it could be understood as a discrimination, but there are diverse reasons for that.
One of them: Also in the past, we have always refused to sell to USA and Canada because of the unpredicable risks coming from the product liability laws of these countries.
At the end, President Trump also made this decision:
His statement, to put sanctions on each country which buys oil from Iran, has decided also for us.
The assumption to be allowed to decide what ever happens on this planet is widely accepted in all parts of the US society.
We, in opposite, stand on the right to decide for the political orientation of the politics of our country for ourselfs. ( see: democracy )
The only selection of a government which obeys to supervisory authorities is not acceptable.

We know that our prohibition only can be a sign and the effect of our decition is near to nothing, else we would hope:

This is not only an action for our security against unwarrantable claims, it also would be an action for the “national security“ of the USA and of course of all other countries.

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© 2000 ... 2018  Werner Heisch
Edition Date of this page (MET) : 2019-10-05 21:43:03