Schweitzer Engineering Laboratories SEL-321 - Page 356

A-24 Firmware Versions Date Code 20011203
SEL-321/321-1 Instruction Manual
Firmware
Part/Revision No.
SEL-321-1 Relay Version
Description of Firmware
Revision A Main Board:
This firmware differs from previous versions as
follows:
- Improved operating frequency bandwidth.
- Corrected error in POTT Logic when ETDPU
set to OFF.
- Changed default setting for OSTD to 0.5
cycles.
- Corrected minor front-panel display problem.
SEL-321-1-R107 60 Hz, 5 Amp, 1 I/O Board, Rev. A
SEL-321-1-R157 50 Hz, 5 Amp, 1 I/O Board, Rev. A
SEL-321-1-R207 60 Hz, 5 Amp, 2 I/O Boards, Rev. A
This firmware differs from previous versions as
follows:
- Made CEVENT command more robust.
SEL-321-1-R106 60 Hz, 5 Amp, 1 I/O Board, Rev. A
SEL-321-1-R156 50 Hz, 5 Amp, 1 I/O Board, Rev. A
SEL-321-1-R206 60 Hz, 5 Amp, 2 I/O Boards, Rev. A
This firmware differs from previous versions as
follows:
- Correctly report inputs in configured Fast
Meter message.
SEL-321-1-R105 60 Hz, 5 Amp, 1 I/O Board, Rev. A
SEL-321-1-R155 50 Hz, 5 Amp, 1 I/O Board, Rev. A
SEL-321-1-R205 60 Hz, 5 Amp, 2 I/O Boards, Rev. A
This firmware differs from previous versions as
follows:
- Remove problem where changing settings of
ports with RTS/CTS enabled, CTS deasserted
while messages pending could lead to
communications lockup or vector halt.
- Add check of 51XTC to warn if torque control
specified by bits that will never be set.
- Add Fast Operate function.
- Add compressed ASCII configuration
message.
- Add FAST_OP port setting.
SEL-321-1-R104 60 Hz, 5 Amp, 1 I/O Board, Rev. A
SEL-321-1-R154 50 Hz, 5 Amp, 1 I/O Board, Rev. A
SEL-321-1-R204 60 Hz, 5 Amp, 2 I/O Boards, Rev. A