Date Code 20151029 Protection Manual SEL-411L Relay
Appendix A
P.Protection Manual
Firmware and Manual Versions
Firmware
Determining the
Firmware Version in
Your Relay
To determine the firmware version, view the status report by using the serial
port STATUS command or the front panel. The status report displays the
Firmware Identification (FID) label.
The firmware version will be either a standard release or a point release. A
standard release adds new functionality to the firmware beyond the
specifications of the existing version. A point release is reserved for
modifying firmware functionality to conform to the specifications of the
existing version.
A standard release is identified by a change in the R-number of the device
firmware identification (FID) string.
Existing firmware:
FID=SEL-411L-R100-V0-Z001001-Dxxxxxxxx, or
FID=SEL-411L-1-R100-V0-Z001001-Dxxxxxxxx
Standard release firmware:
FID=SEL-411L-R101-V0-Z001001-Dxxxxxxxx, or
FID=SEL-411L-1-R101-V0-Z001001-Dxxxxxxxx
A point release is identified by a change in the V-number of the device FID
string.
Existing firmware:
FID=SEL-411L-R100-V0-Z001001-Dxxxxxxxx, or
FID=SEL-411L-1-R100-V0-Z001001-Dxxxxxxxx
Point release firmware:
FID=SEL-411L-R100-V1-Z001001-Dxxxxxxxx, or
FID=SEL-411L-1-R100-V1-Z001001-Dxxxxxxxx
Table A.1 lists the firmware versions, a description of modifications, and the
instruction manual date code that corresponds to firmware versions. The most
recent firmware version is listed first. When applying the SEL-411L in line-
current differential applications, relays at all line terminals of a protected line
must use firmware that is compatible, as shown in Table A.2.
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