Table of Contents
Advertisement
WARNING!
Warning of dangers evolving from improper primary tests
Non-observance of the following measures can result in death, personal injury or sub-
stantial property damage.
Primary test may only be carried out by qualified personnel, who are familiar with the
commissioning of protection systems, the operation of the plant and the safety rules
and regulations (switching, earthing, etc.).
3.3.1
Test Mode and Transmission Block
Activation and De-
If the device is connected to a substation control system or a server, the user is able
activation
to modify, in some protocols, information that is transmitted to the substation (see the
table "Protocol-dependent functions" in Appendix A.
If Test mode is active, then a message sent by a SIPROTEC
system has an additional test bit. This bit allows the message to be recognized as re-
sulting from testing and not an actual fault or power system event. Furthermore it can
be determined by activating the Transmission block that no indications at all are
transmitted via the system interface during test mode.
The SIPROTEC
mode and blocked data transmission. Note that when DIGSI
program must be in the Online operating mode for the test features to be used.
3.3.2
Testing System Ports
Prefacing Remarks
If the device features a system interface and uses it to communicate with the control
centre, the DIGSI
correctly. You must under no circumstances use this test option during "actual" oper-
ation.
DANGER!
Danger evolving from operating the equipment (e.g. circuit breakers, discon-
nectors) by means of the test function
Non-observance of the following measure will result in death, severe personal injury
or substantial property damage.
Equipment used to allow switching such as circuit breakers or disconnectors is to be
checked only during commissioning. Do not under any circumstances check them by
means of the testing mode during "real" operation performing transmission and recep-
tion of messages via the system interface.
7UM61 Manual
C53000-G1176-C127-3
®
System Description /1/ describes how to activate and deactivate test
®
4 device operation can be used to test if messages are transmitted
3.3 Commissioning
®
4 device to the main
®
is being used, the
263
Advertisement
Table of Contents
