A.7
Date Code 20170927 Instruction Manual SEL-751 Relay
Firmware, ICD, and Manual Versions
Firmware
SEL Display Package
Versions
The SEL-751 with the touchscreen display option has display packages for the
SEL display and default custom display. Table A.3 lists the display package
version, a description of the modifications, and the instruction manual date
code that corresponds to the display package versions. The most recent
firmware version is listed first. The version number of this firmware is
accessible through the Device Info folder.
SEL Display Package
and Relay Firmware
Compatibility
The display package and the compatible relay firmware versions are listed in
Table A.4. The version number of the display package is accessible through
the Device Info folder. Display packages may be compatible with more than
one relay firmware version.
➤ Lowered the minimum value for 51N1P and 51N2P to 0.25 A for 5 A
relays and 0.05 A for 1 A relays.
➤ Revised the SELOGIC processing order to run the 52A control equation
before running the 79 element control equations to correct a latency issue.
SEL-751-R103-V0-Z001001-D20111116
➤ Enhanced the firmware to make the serial number visible to IEC
61850 protocol and revised the ICD file to add serial and part number
information to PhyNam DO, similar to the 400 series relays.
20111116
➤ Corrected issue with rms meter values where in some cases the values
would spike for a short time.
➤ Corrected an issue with the MMS error message in response to an IEC
61850 control operation failure.
➤ Revised the units for MIRRORED BITS protocol setting CBADPU to
ppm (parts per million).
➤ Corrected an issue where AFD (Arc Flash Detection) outputs 301_2 or
401_2 (setting AOUTSLOT) were processed at a four-millisecond rate
rather than a one-millisecond rate.
➤ Corrected an issue with the front panel where two blank lines
following the QUIT command resulted in a blank display when selected.
➤ Fixed an issue with ENABLED LED where the LED did not turn off
when the relay was disabled.
SEL-751-R102-V0-Z001001-D20110720
➤ Calibration improvements. 20110720
SEL-751-R101-V0-Z001001-D20110601
➤ Initial version. 20110601
Table A.2 R100 Series Firmware Revision History (Sheet 5 of 5)
Firmware Identification (FID) Number Summary of Revisions
Manual
Date Code
Table A.3 SEL Display Package Revision History
SEL Display Package Version Revisions Release Date
1.0.50751.2004 ➤ Resolved an issue of occasional loss of touchscreen capability at
power up that can occur in some relays.
20170922
1.0.50751.2000
➤ Initial release. 20170315
Table A.4 SEL Display Package Compatibility With Relay Firmware
SEL Display Package Version Relay Firmware Versions Supported Release Date
1.0.50751.2004 R200 20170922
1.0.50751.2000 R200 20170315
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