02.2001 5 Start-up, Service and Maintenance
© Siemens AG 2001 All Rights Reserved
SINUMERIK 840Di System Overview (SYI) - 02.2001 Edition 5
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5.5 Remote diagnosis
For remote diagnosis of the SINUMERIK 840Di, the optional software product from
Siemens with the same name grants direct access to the control system from any
PC. To do so, the appropriate software must be installed on both systems (viewer
PC and control system). The viewer software must be installed on the PC from
which you wish the remote diagnosis to carry out, and the host variant on the
SINUMERIK 840Di.
Functions
The following functions are provided for the remote diagnosis:
• remote process control and monitoring
• chat mode for mutual transmission of textual information
• file transfer for automatic readout and transfer of individual files
• an effective safety concept to prevent unauthorized access (log-in and
password, confirmation by the operator or callback to a previously defined
connection)
Note:
The PLC remote diagnosis requires a SIMATIC STEP / version (option) installed on
the SINUMERIK 840Di.
Transmission media
The following transmission media can be used for the remote diagnosis:
• Direct connection between PC and control system
• Modem-to-modem connection via the public telephone network (fixed and
cellular telephone network)
• Local Network (LAN)
• Wide Area Network (WAN)
• Internet
Network security and network connections
To realize comprehensive IT solutions, SIMATIC NET offers a comprehensive
range of products and services, e.g. in the field of Remote Access, under the
generic term Itlution®.
Remote Access is intended for the universal coupling of Industrial Ethernet and
other Ethernet networks using TCP/IP via WAN (Wide Area Network). Such Wide
Area Networks are, e.g. analog telephone networks, digital telephone networks,
such as ISDN, and the Internet.
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