Rela
y type: P341 …
Software
Version
Major Minor
Hardware
Suffix
Original Date
of Issue
Description of Changes
S1
Compatibility
Technical
Documentation
A A Oct 1999 Original Issue V1.09 or Later TG8617A
B A Dec 1999
Corrected 90 degree phase angle displacement in
measurement of Ia, Ib, Ic
Corrected VT scaling factors for Va, Vb, Vc in fault records
Minor bug fixes
V1.09 or Later TG8617A
01
C A Mar 2000
Trip LED status saved during power cycling
Corrections to omission of fault duration and CB operating
time in fault record
Corrected -90 degree phase angle displacement in
measurement of VN and VN derived
Reset of alarms and indications event added to event record
Minor bug fixes
V1.09 or Later TG8617A
02 A A Oct 2000
DNP 3.0 protocol added
Courier and MODBUS enhancements to improve
compatibility with other protection (mainly PX20 products)
Modifications to IEC60870-5-103 Test Mode
Poledead logic DDB signals made visible in PSL
Foreign Language text updated
Active and reactive power added to MODBUS fault record
Minor bug fixes
V1.10 or Later P341/EN T/B11
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