Micom P634 - Page 823

Version Changes
DIFF
Bug fixing:
●
It could happen that triggering of the saturation
discriminator by an external fault was not reset
fast enough when an additional fault had
occurred within the same protection zone.
CBF_x
Bug fixing:
●
The associated signal CBF_x : Current flow y
(y=A, B, C) would sometimes jitter during an open
command.
●
Triggering of the circuit breaker failure protection
function would sometimes be delayed. Further
delays could sometimes occur with the signals for
CBF_1 and CBF_2.
P634
‑308
‑407/408
‑622
Release: 2011-02-09
Hardware
No changes.
Diagram
No changes.
Software
PC The following parameter has been removed: PC:
Name of manufacturer (003 183).
Note: Compatibility even with older versions of the
operating program continues to be guaranteed.
COMM1 The data point (003 178) COMM1: -103 prot.
variant may now be used to select between the ‑103
protocol variants Private and Compatible. The protocol
variant Compatible corresponds to the VDEW
implementation.
Note: As before this setting is hidden unless an
IEC 60870-5 protocol is enabled.
The data point (003 214) COMM1: MODBUS prot.
variant may now be used to select between the
MODBUS protocol variants Private and Compatible. The
protocol variant Compatible corresponds to the
MODBUS implementation in the MiCOM Px20 and Px40
protection devices. The protocol variant Private
corresponds to the first implementation of the MODBUS
protocol.
Note: As before this setting is hidden unless the
MODBUS protocol is enabled.
A5 P634 Version History P634
P634/EN M/R-42-A // P634‑311‑653 A5-23