Sr. No. Function
Code
Register No. of
Regs
Format Reg.
Type
Address Map
1
Product
Information
03
Manufacturer
Name
10
20-Bytes
ASCII
R
4x00001 –
4x00010
Relay Name 10
20-Bytes
ASCII
R
4x00011 –
4x00020
Model 10
20-Bytes
ASCII
R
4x00021 –
4x00030
Version 10
20-Bytes
ASCII
R
4x00031 –
4x00040
Relay Description 10
20-Bytes
ASCII
R
4x00041 –
4x00050
Sr. No. Function
Code
Register No. of
Regs
Format Reg.
Type
Address
Map
2
Relay
Configuration
03
Num Status (s) 1 16 bit R 4x00257
Num Controls (c) 1 16 bit R 4x00258
Num Parameters (p) 1 16 bit R 4x00259
Num Faults (f) 1 16 bit R 4x00260
Sr. No. Function
Code
Register No. of
Regs
Format Reg.
Type
Address
Map
3.a Time Synchronization
(Unicast/Broadcast)
03/16
Year 1 16 bit R/W 4x02049
Month- Day 1 16 bit R/W 4x02050
Hour, Min 1 16 bit R/W 4x02051
Milliseconds 1 16 bit R/W 4x02052
For Alstom P50 Agile IEDs on Modbus, time synchronization is possible via a broadcast command to 800H
(4x02049 through 4x02052) .The format is inverted IEC 870-5-4 CP56Time2a
Words 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
1 0 0 0 0 0 0 0 0 Year 00..99
2
0 0 0 0
Month Day of Week Day of Month 1..12 1..7 1..31
3 SU 0 0 Hours Iv 0 Minutes 0..23 0..59
4 Milliseconds Hi Milliseconds Lo 0..59999 (seconds + milliseconds)
Su (=0 Standard , =1 Summer Time)
iv (=0 valid , =1 non valid or non synchronised in system case)
First Day of week is Monday