Date Code 20011203 Firmware Versions A-17
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:
- Made CEVENT command more robust.
SEL-321-1-R407 60 Hz, 5 Amp, 1 I/O Board
SEL-321-1-R457 50 Hz, 5 Amp, 1 I/O Board
SEL-321-1-R507 60 Hz, 5 Amp, 2 I/O Boards
SEL-321-1-R557 50 Hz, 5 Amp, 2 I/O Boards
SEL-321-1-R608 60 Hz, 5 Amp, 1 I/O Board, ACB rotation
SEL-321-1-R708 60 Hz, 5 Amp, 2 I/O Boards, ACB rotation
SEL-321-1-R807 60 Hz, 1 Amp, 1 I/O Board
SEL-321-1-R857 50 Hz, 1 Amp, 1 I/O Board
SEL-321-1-R907 60 Hz, 1 Amp, 2 I/O Boards
SEL-321-1-R958 50 Hz, 1 Amp, 2 I/O Boards
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-R406 60 Hz, 5 Amp, 1 I/O Board
SEL-321-1-R456 50 Hz, 5 Amp, 1 I/O Board
SEL-321-1-R506 60 Hz, 5 Amp, 2 I/O Boards
SEL-321-1-R556 50 Hz, 5 Amp, 2 I/O Boards
SEL-321-1-R607 60 Hz, 5 Amp, 1 I/O Board, ACB rotation
SEL-321-1-R707 60 Hz, 5 Amp, 2 I/O Boards, ACB rotation
SEL-321-1-R806 60 Hz, 1 Amp, 1 I/O Board
SEL-321-1-R856 50 Hz, 1 Amp, 1 I/O Board
SEL-321-1-R906 60 Hz, 1 Amp, 2 I/O Boards
SEL-321-1-R957 50 Hz, 1 Amp, 2 I/O Boards
This firmware differs from previous versions as follows:
- Correctly report inputs in configured Fast Meter message.
SEL-321-1-R405 60 Hz, 5 Amp, 1 I/O Board
SEL-321-1-R455 50 Hz, 5 Amp, 1 I/O Board
SEL-321-1-R505 60 Hz, 5 Amp, 2 I/O Boards
SEL-321-1-R555 50 Hz, 5 Amp, 2 I/O Boards
SEL-321-1-R606 60 Hz, 5 Amp, 1 I/O Board, ACB rotation
SEL-321-1-R706 60 Hz, 5 Amp, 2 I/O Boards, ACB rotation
SEL-321-1-R805 60 Hz, 1 Amp, 1 I/O Board
SEL-321-1-R855 50 Hz, 1 Amp, 1 I/O Board
SEL-321-1-R905 60 Hz, 1 Amp, 2 I/O Boards
SEL-321-1-R956 50 Hz, 1 Amp, 2 I/O Boards
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