9.26
SEL-2032 Communications Processor Instruction Manual Date Code 20120126
Protocols
Modbus RTU Protocol
Register Maps for
Breaker Data,
Integer Type
The first eight registers of Modbus breaker data are the collection date and
time stamp.
2102(R) Target Date stamp Year 0–99
2103(R) Target Time stamp Hours 0–23
2104(R) Target Time stamp Minutes 0–59
2105(R) Target Time stamp Seconds 0–59
2106(R) Target Time stamp Milliseconds 0–999
2107(R) Target Date stamp Day of the week
(Sunday–0
•
•
•
Saturday–6)
0–6
2108–2112(R) Target
a
None
a
See Ta bl e 9.1 2 for details.
Table 9.12 Target Data
Reg# 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
2108
EN
ABCG123**CA1BC1AB1C1B1A1
2109
*
* CA2 BC2 AB2 C2 B2 A2 * * CA3 BC3 AB3 C3 B3 A3
2110
*
46P 46PH 47P 46Q 47Q 47QH 32Q * TRIP CLOSE TTI A B C ALARM
2111
*
* ET 52A DC BT TT DT Z3FT Z3F Z2FT Z2F Z1F BPF GS GD
2112
ABC
* 21P3 21G3 21P2 21G2 21P1 21G1 * * * * * * * *
Table 9.11 Example Register Map for Relay Target Data, Both Types (Sheet 2 of 2)
Reg.# Description Units Range
Table 9.13 Register Map for Breaker Data, Integer Type (Sheet 1 of 2)
Reg.# Description Units Range
For SEL-151/251,-1,-2,-3; SEL-151C/251C,-1,-2,-3; SEL-151CD/251CD,-1,-3; SEL-151D/251D,-1,-3:
2200(R) Breaker Date stamp Month 1–12
2201(R) Breaker Date stamp Day of the Month 1–31
2202(R) Breaker Date stamp Year 0–99
2203(R) Breaker Time stamp Hours 0–23
2204(R) Breaker Time stamp Minutes 0–59
2205(R) Breaker Time stamp Seconds 0–59
2206(R) Breaker Time stamp Milliseconds 0–999
2207(R) Breaker Date stamp Day of the week
(Sunday–0
•
•
•
Saturday–6)
0–6
2208(R) Relay Trips None Integer
Courtesy of NationalSwitchgear.com