Schweitzer Engineering Laboratories SEL-321 - Page 337

Date Code 20011203 Firmware Versions A-5
SEL-321/321-1 Instruction Manual
Firmware
Part/Revision
No.
SEL-321 Relay Base 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:
- Ability to change DATE and TIME settings from the front
panel.
- Targets reported in the event only if the relay generates a trip.
SEL-321-R405 60 Hz, 5 Amp, 1 I/O Board
SEL-321-R455 50 Hz, 5 Amp, 1 I/O Board
SEL-321-R504 60 Hz, 5 Amp, 2 I/O Boards
SEL-321-R554 50 Hz, 5 Amp, 2 I/O Boards
SEL-321-R604 60 Hz, 5 Amp, 1 I/O Board, ACB Rotation
SEL-321-R704 60 Hz, 5 Amp, 2 I/O Boards, ACB Rotation
SEL-321-R803 60 Hz, 1 Amp, 1 I/O Board
SEL-321-R854 50 Hz, 1 Amp, 1 I/O Board
SEL-321-R903 60 Hz, 1 Amp, 2 I/O Boards
SEL-321-R952 50 Hz, 1 Amp, 2 I/O Boards
This firmware differs from previous versions as follows:
- Include support of 12 point I/O Board.
SEL-321-R403 60 Hz, 5 Amp, 1 I/O Board
SEL-321-R453 50 Hz, 5 Amp, 1 I/O Board
SEL-321-R503 60 Hz, 5 Amp, 2 I/O Boards
SEL-321-R553 50 Hz, 5 Amp, 2 I/O Boards
SEL-321-R603 60 Hz, 5 Amp, 1 I/O Board, ACB Rotation
SEL-321-R703 60 Hz, 5 Amp, 2 I/O Boards, ACB Rotation
SEL-321-R802 60 Hz, 1 Amp, 1 I/O Board
SEL-321-R853 50 Hz, 1 Amp, 1 I/O Board
SEL-321-R902 60 Hz, 1 Amp, 2 I/O Boards
SEL-321-R951 50 Hz, 1 Amp, 2 I/O Boards
This firmware differs from previous versions as follows:
- Single-Pole Trip Enhancements.
- Independent order for command parameters.
- Removed one select from front panel targets.
SEL-321-R402 60 Hz, 5 Amp, 1 I/O Board
SEL-321-R452 50 Hz, 5 Amp, 1 I/O Board
SEL-321-R502 60 Hz, 5 Amp, 2 I/O Boards
SEL-321-R551 50 Hz, 5 Amp, 2 I/O Boards
SEL-321-R602 60 Hz, 5 Amp, 1 I/O Board, ACB Rotation
SEL-321-R702 60 Hz, 5 Amp, 2 I/O Boards, ACB Rotation
SEL-321-R800 60 Hz, 1 Amp, 1 I/O Board
SEL-321-R850 50 Hz, 1 Amp, 1 I/O Board
SEL-321-R900 60 Hz, 1 Amp, 2 I/O Boards