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Process interfacing via an automation system (PLC, PC)
10.8 Remote client
SIMATIC MV420 / SIMATIC MV440
324
Operating Instructions, 04/2013, A5E02371045-06
10.8
Remote client
Introduction
The remote client interface is an HTTP-based interface. The remote client can send HTTP
requests to the reader to bring about a certain functionality. To do this, an IP address must
be configured in the adjustment support corresponding to the address of the client. The
reader only processes HTTP requests if the sender has this IP address.
10.8.1
XML backup and XML restore
Note
Do not control via the control interface / only when the DISA bit is not set
With the automation process, you must make sure that when the functions XML backup and
XML restore execute, there is no control via the control interface. Otherwise, XML backup
and XML restore cannot be executed. It is important that the DISA bit is not set.
Note
Backing up the diagnostics images before XML backup and XML restore
If you run the XML backup and XML restart functions, any diagnostics images in the memory
of the reader will be deleted.
•
If required, save the diagnostic images before you use these functions.
To run an XML backup and an XML restart, there is a separate HTTP request for each. After
receiving the relevant HTTP request, the following steps are performed first in both cases
assuming that the preconditions are met:
1.
The connection to the adjustment support is terminated.
If adjustment support is opened while the HTTP request is being processed by the
reader, this is only possible in "READ ONLY mode".
2.
The reader changes to the "Stop" mode.
3.
The IN_OP bit is et to "0".
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