Relay type: P341 …
Software
Version
Major Minor
Hardware
Suffix
Original Date
of Issue
S1
Compatibility
Technical
Documentation
Description of Changes
G A June 2004
For Courier/DNP 3.0/IEC60870-5-103 builds only.
Correction to parity setting for MODBUS and DNP 3.0 when
the relay is powered up.
Improvement to the self checking of the analogue channels
and SRAM.
Minor bug fixes.
V2.00 or Later P341/EN T/B11
H A July 2004
For MODBUS builds only.
Changes as for G
Improvement to the MODBUS driver to cope better with
spurious data transmissions and failures of the relay to
respond to comments where the server response time is fast.
Minor bug fixes
V2.00 or Later P341/EN T/B11
03
Cont.
J A June 2005
Correction to the alarm and trip indication of the faulted
phase(s) for the second stage of the undervoltage and
overvoltage protection in the fault record information on the
relay Icd.
Correction to false frequency protection start at power-up.
MODBUS driver modified to prevent relay reboot with error
code 0x8C810000 in hardware A/B/C relays for 60Hz
applications where fast polling and high baud rates are used.
Modification to prevent reboot when large number of control
and settings are sent to relay in quick succession over DNP
3.0
Minor bug fixes
V2.00 or Later P341/EN T/B11
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