Schweitzer Engineering Laboratories SEL-321 - Page 342

A-10 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:
- Added M
IRRORED BITS protocol MB8. MB8
has two stop bits.
- Prevent inadvertent cancellation of Fast Operate
by a Fast Meter response.
SEL-321-1-R422-990415 60 Hz, 5 Amp, 1 I/O Board
SEL-321-1-R472-990415 50 Hz, 5 Amp, 1 I/O Board
SEL-321-1-R522-990415 60 Hz, 5 Amp, 2 I/O Boards
SEL-321-1-R572-990415 50 Hz, 5 Amp, 2 I/O Boards
SEL-321-1-R623-990415 60 Hz, 5 Amp, 1 I/O Board, ACB rotation
SEL-321-1-R653-990415 60 Hz, 1 Amp, 1 I/O Board, ACB rotation
SEL-321-1-R723-990415 60 Hz, 5 Amp, 2 I/O Boards, ACB rotation
SEL-321-1-R753-990415 60 Hz, 1 Amp, 2 I/O Boards, ACB rotation
SEL-321-1-R822-990415 60 Hz, 1 Amp, 1 I/O Board
SEL-321-1-R872-990415 50 Hz, 1 Amp, 1 I/O Board
SEL-321-1-R922-990415 60 Hz, 1 Amp, 2 I/O Boards
SEL-321-1-R973-990415 50 Hz, 1 Amp, 2 I/O Boards
This firmware differs from previous versions as
follows:
- Improved diagnostics.
SEL-321-1-R420-980806 60 Hz, 5 Amp, 1 I/O Board
SEL-321-1-R470-980806 50 Hz, 5 Amp, 1 I/O Board
SEL-321-1-R520-980806 60 Hz, 5 Amp, 2 I/O Boards
SEL-321-1-R570-980806 50 Hz, 5 Amp, 2 I/O Boards
SEL-321-1-R621-980806 60 Hz, 5 Amp, 1 I/O Board, ACB rotation
SEL-321-1-R651-980806 60 Hz, 1 Amp, 1 I/O Board, ACB rotation
SEL-321-1-R721-980806 60 Hz, 5 Amp, 2 I/O Boards, ACB rotation
SEL-321-1-R751-980806 60 Hz, 1 Amp, 2 I/O Boards, ACB rotation
SEL-321-1-R820-980806 60 Hz, 1 Amp, 1 I/O Board
SEL-321-1-R870-980806 50 Hz, 1 Amp, 1 I/O Board
SEL-321-1-R920-980806 60 Hz, 1 Amp, 2 I/O Boards
SEL-321-1-R971-980806 50 Hz, 1 Amp, 2 I/O Boards
This firmware differs from previous versions as
follows:
- Added new configurations
SEL-321-1-R650-980709 60 Hz, 1 Amp, 1 I/O Board, ACB rotation
SEL-321-1-R750-980709 60 Hz, 1 Amp, 2 I/O Boards, ACB rotation