Sel 551 - Page 262

G.26
SEL-551 Relay Instruction Manual Date Code 20110408
Modbus RTU Communications Protocol
Modbus RTU Communications Protocol
00EE 15 cycle
c
–32767 32767 1 1
Event Summary Data
00EF Event type
a
ASCII
string
00F0 see Note 5
00F1
00F1
Date and Time
00F3 Event time
b
millisec 0 999 1 1
00F4
b
ss 0 59 1 1
00F5
b
mm 0 59 1 1
00F6
b
hh 0 23 1 1
00F7 Event date
b
dd 1 31 1 1
00F8
b
mm 1 12 1 1
00F9
b
yyyy 1992 2999 1 1
00FA Shots 0 4
00FB Targets
Bit 0 = 1 if any of
bits 8–15 are set
to 1
Bit 0 = 0 if all of
bits 8–15 are set
to 0
Bit 1–7 = 0
Bit 8 = LO
Bit 9 = RS
Bit 10 = Phase N
51/50
Bit 11 = Phase C
51/50
Bit 12 = Phase B
51/50
Bit 13 = Phase A
51/50
Bit 14 = Inst.
Bit 15 = 0
00FC Event current
phase A
Amps 0 65535 1
00FD Event current phase B Amps 0 65535 1
00FE Event current phase C Amps 0 65535 1
00FF Event neutral
current IN
Amps 0 65535 1
0100 Event residual
current IG
Amps 0 65535 1
Table G.18 Modbus Map (Sheet 14 of 15)
Address
(Hex)
Field Units
Range
Scale
Factor
Low High Step