7-7
7.11: CT & PT Ratio Settings Block (45909-45924).
•Address - 2 registers, 4 bytes, unsigned integers.
•Primary numbers and secondary numbers are in these blocks for the proper ratios.
7.12: Hookup and Time Settings Block (45925-45944).
•Hookup - 1 register, 2 bytes.
High byte - Configuration Bits. Voltage selection.
When bit 0 is cleared, 150V.
When bit 0 is set, 300V.
Low byte - Wye/Delta selection.
•Frequency - currently not used.
•Time Zone - 1 register, 2 bytes. Signed integer. The zone descriptor value varies from -13 to
+13. The zone descriptor value 0 represents Greenwich Mean Time.
•Daylight Savings Time Enable - 1 byte, unsigned integer.
Wye/Delta Byte Energy Assignments
Value Assignment
0Wye
1 Delta 3 CTs
2 Delta 2 CTs
3 2.5 Element
4 4 Wire Delta
Time Zone Descriptor
Value Zone Descriptor
0 ZD 0
50 ZD + 0.5
100 ZD + 1
150 ZD + 1.5
-100 ZD - 1
-150 ZD - 1.5
Daylight Savings Time Enable
Value Zone Descriptor
0 Disabled
1 Use Clock Chip
2 Use Programming Block