Schweitzer Engineering Laboratories SEL-321 - Page 344

A-12 Firmware Versions Date Code 20011203
SEL-321/321-1 Instruction Manual
Firmware
Part/Revision No.
SEL-321-1 Relay Version
Description of Firmware
Revision B or C Main Board and Low-Level Test Capability
(ET3 or TT3):
This firmware differs from previous versions as follows:
- Include support of 8 output I/O board
- Does not check validity of hidden settings
- Adequately checks for event reports being overwritten
- STFAIL bit cleared if no alarm conditions
- Fast Operate requests have a higher priority than ASCII and
do not affect timeout
- Load encroachment logic works as intended if PLAF and
NLAF are set in same quadrant
SEL-321-1-R417 60 Hz, 5 Amp, 1 I/O Board
SEL-321-1-R467 50 Hz, 5 Amp, 1 I/O Board
SEL-321-1-R517 60 Hz, 5 Amp, 2 I/O Boards
SEL-321-1-R567 50 Hz, 5 Amp, 2 I/O Boards
SEL-321-1-R618 60 Hz, 5 Amp, 1 I/O Board, ACB rotation
SEL-321-1-R718 60 Hz, 5 Amp, 2 I/O Boards, ACB rotation
SEL-321-1-R817 60 Hz, 1 Amp, 1 I/O Board
SEL-321-1-R867 50 Hz, 1 Amp, 1 I/O Board
SEL-321-1-R917 60 Hz, 1 Amp, 2 I/O Boards
SEL-321-1-R968 50 Hz, 1 Amp, 2 I/O Boards
Firmware
Part/Revision No.
SEL-321-1 Relay Version
Description of Firmware
Revision B or C Main Board and Low-Level Test Capability
(ET3 or TT3):
This firmware differs from previous versions as follows:
- New M
IRRORED BITS Protocol
SEL-321-1-R416 60 Hz, 5 Amp, 1 I/O Board
SEL-321-1-R466 50 Hz, 5 Amp, 1 I/O Board
SEL-321-1-R516 60 Hz, 5 Amp, 2 I/O Boards
SEL-321-1-R566 50 Hz, 5 Amp, 2 I/O Boards
SEL-321-1-R617 60 Hz, 5 Amp, 1 I/O Board, ACB rotation
SEL-321-1-R717 60 Hz, 5 Amp, 2 I/O Boards, ACB rotation
SEL-321-1-R816 60 Hz, 1 Amp, 1 I/O Board
SEL-321-1-R866 50 Hz, 1 Amp, 1 I/O Board
SEL-321-1-R916 60 Hz, 1 Amp, 2 I/O Boards
SEL-321-1-R967 50 Hz, 1 Amp, 2 I/O Boards