Commissioning and Maintenance
P746/EN
CM/F21
MiCOM P746
(CM) 10-13
CM
Note:
It should be ensured that thermal ratings of anything connected to the
output relays during the contact test procedure is not exceeded by the
associated output relay being operated for too long. It is therefore
advised that the time between application and removal of contact test
is kept to the minimum.
Return the relay to service by setting cell [COMMISSION TESTS, Test Mode] to ‘Disabled’.
4.2.7
Rear communications port
This test should only be performed where the relay is to be accessed from a remote location
and will vary depending on the communications standard being adopted. It is not the
intention of the test to verify the operation of the complete system from the relay to the
remote location, just the relay’s rear communications port and any protocol converter
necessary.
4.2.7.1
Courier communications
If a K-Bus to EIA(RS)232 KITZ protocol converter is installed, connect a portable PC running
the appropriate software to the incoming (remote from relay) side of the protocol converter.
Ensure that the communications baud rate and parity settings in the application software are
set the same as those on the protocol converter (usually a KITZ but could be a SCADA RTU).
The relays courier address in cell [0E02: COMMUNICATIONS, Remote Access] must be set
to a value between 1 and 254. Check that communications can be established with this relay
using the portable PC.
Check that, using the Master Station, communications with the relay can be established.
Note:
The first rear communication port (terminal M17-18) can be either K-
Bus or EIA(RS)485.
4.2.8
Second rear communications port
This test should only be performed where the relay is to be accessed from a remote location
and will vary depending on the communications standard being adopted. It is not the
intention of the test to verify the operation of the complete system from the relay to the
remote location, just the relays rear communications port and any protocol converter
necessary.
4.2.8.1
K-Bus configuration
If a K-Bus to EIA(RS)232 KITZ protocol converter is installed, connect a portable PC running
the appropriate software (e.g. MiCOM S1 V2 or Studio or PAS&T) to the incoming (remote
from relay) side of the protocol converter.
If a KITZ protocol converter is not installed, it may not be possible to connect the PC to the
relay installed. In this case a KITZ protocol converter and portable PC running appropriate
software should be temporarily connected to the relays second rear communications port
configured for K-Bus. However, as the installed protocol converter is not being used in the
test, only the correct operation of the relays K-Bus port will be confirmed.
Ensure that the communications baud rate and parity settings in the application software are
set the same as those on the protocol converter (usually a KITZ but could be a SCADA RTU).
The relays courier address in cell [0E90: COMMUNICATIONS, RP2 Address] must be set to
a value between 1 and 254. The second rear communications port configuration [0E88:
COMMUNICATIONS RP2 Port Config.] must be set to K-Bus.
Check that communications can be established with this relay using the portable PC.
Summary of Contents for MiCOM P746
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Page 5: ...Pxxx EN SS G11 SAFETY SECTION...
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Page 16: ...P746 EN IT G31 Introduction MiCOM P746...
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Page 26: ...P746 EN TD G31 Technical Data MiCOM P746...
Page 38: ...P746 EN GS G31 Getting Started MiCOM P746...
Page 78: ...P746 EN ST G31 Getting Started MiCOM P746...
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Page 114: ...P746 EN OP G31 Operation MiCOM P746...
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Page 366: ...P746 EN TS G31 Troubleshooting MiCOM P746...
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Page 382: ...P746 EN SC G31 SCADA Communications MiCOM P746...
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Page 426: ...P746 EN SG F21 Symbols and Glossary MiCOM P746...
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Page 524: ...P746 EN VH G31 Firmware and Service Manual Version History MiCOM P746...
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