F.29
Date Code 20090730 Instruction Manual SEL-734 Meter
Modbus RTU Communications Protocol
Modbus RTU Communications Protocol
Table F.24 lists the sequence of events enumerations noted in Table F.23.
Table F.25 lists the load profile status enumerations noted in the Load Profile
portion of Table F.23 on page F.23.
Table F.26 lists the load profile record status bits noted in the Load Profile
portion of Table F.23 on page F.23.
25172 6254 Record 3 Status ENUM
25173–25178 6255–625A Record 3 Time and Date UINT
25179–25210 625C–627A Record 3 Value 1–16 LONG100
25211–28993 627B–7141 Record 4–100 with Status, Time, and
Date, and Value 1–16
ENUM,
UINT,
LONG100
28993–65535 7142–FFFF Reserved
Table F.23 Modbus Register Map (Sheet 19 of 19)
Address Field Notes Min Max Conversion
Table F.24 Sequence of Event Enumerations
Enumeration Description
0 Meter settings have changed
1 Power restored
2Power loss
3 Time change, manual set occurred
4 Daylight Saving Time, automatic set occurred
0x1yyy A meter element has changed, element number yyy. See Meter Word Bits (Used in SEL
OGIC Control Equations) on
page 9.3. These elements are associated with SER settings SER1, SER2 and SER3. The element is deasserted.
0x2yyy A meter element has changed, element number yyy. See Meter Word Bits (Used in SEL
OGIC Control Equations) on
page 9.3. These elements are associated with SER settings SER1, SER2 and SER3. The element is asserted.
0x8000 Invalid record.
Table F.25 Load Profile Status Enumeration
Enumeration Description
0Normal Record
1 Normal Record, Daylight Savings Time in Effect
2 Power Loss Record
3 Power Loss Record, Daylight Savings Time in Effect
4Time Set Forward
5 Time Set Forward, Daylight Savings Time in Effect
8Time Set Backwards
9 Time Set Backwards, Daylight Savings Time in Effect
16 Skipped Interval
17 Skipped Interval, Daylight Savings Time in Effect
32 Test Mode Record
33 Test Mode Record, Daylight Savings Time in Effect
Courtesy of NationalSwitchgear.com
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