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Introduction
The possibilities of remote control of SIPROTEC devices are manifold. Help regarding the selection
of "Your" remote control concept can be found in the document "Notes" in the Internet under
This document describes the procedure for secure remote control of SIPROTEC 4 devices with
DIGSI 4 via the modems INSYS Pocket Profi ISDN (table-top device in the office) and INSYS ISDN-
router (rail mounted ISDN-Router in the substation) in detail.
The application described here was successfully tested with Windows XP SP2
and DIGSI 4.81 as well as 4.82. The following modems were used during the tests:
Office modem:
Substation modem:
adapter).
The modem drivers TA+POX (PPP,V.120,X.25,V.110) used here for the INSYS Pocket Profi ISDN
modem are located on the supplied CD or may be found in the Internet under:
www.SIPROTEC.com
The safety concept
The safety concept regarding interference on the entire transmission line, as well as the risk of
unauthorised access to the protection devices are taken regard of with correspondingly high priority
measures.
Transmission security is ensured by an efficient error correction procedure along the transmission
line. The settings of the modems described here take cognisance of this concept.
The substation with SIPROTEC 4 devices is protected from unauthorised access by an RDT
connection with login-name, password and restricted call acceptance from specified telephone
numbers.
The most important general rules
For remote control under Windows XP Prof. only use DIGSI 4.80 + SP2,
DIGSI 4.81 + HF1, DIGSI 4.82 or newer DIGSI-versions.
Always use the modem drivers referred to in the application manuals.
These may be downloaded from the Download-Area under www.SIPROTEC.com.
Each protection device in the substation must have a distinct IP address.
HELP_DIG48_SIP4_INSYS_MOROS_ISDN_EN100_EN1.DOC
www.SIPROTEC.com
INSYS Pocket Profi ISDN (desktop model with plug-in power adapter)
INSYS ISDN-Router (rail mounted device with external wide range power
/ Applications / Remote control
/ Accessories / 7XV5820 / ...
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Power Transmission and Distribution
Energy Automation
27.08.2008
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