GE 350 Communications Manual page 607

CHAPTER 12: 350 MODBUS MEMORY MAP AND FORMAT CODES
Code
16
17
18
19
20
21
22
23
24
25
26
F16
F17
F17A
F18
1st byte Month 1 to 12
2nd byte Day 1 to 31
3rd and 4th byte Year 2000 to 2099
Example: Feb 20 2000 stored as 34867152 (i.e. 1st word: 0214
F19
1st byte Hours 0 to 23
2nd byte Minutes 0 to 59
3rd and 4th byte miliSeconds 0 to 59999
Example: 2:05pm stored as 235208704 (i.e. 1st word: 0E05 2nd word 0000)
F20
F21
F22
F23
F24
F24B
F25
0
1
F26
0
1
2
3
4
5
6
7
8
SR3 SERIES PROTECTIVE RELAY PLATFORM – COMMUNICATIONS GUIDE
Type Definition
P
Q
R
S
T
U
V
W
X
Y
Z
signed 16 bits 2's Complement Signed Value 1 Decimal
Place
unsigned 32 bits Unsigned Long Value 3 Decimal Places
unsigned 16 bits Unsigned Value 3 Decimal Places
unsigned 32 bits Date MM/DD/YYYY
unsigned 32 bits Time HH:MM:SS.sss
signed 32 bits 2's Complement Signed Long Value
signed 16 bits 2's Complement Signed Value 2 Decimal
Places (Power Factor)
unsigned 16 bits Two 8-BIT Characters Packed Into 16-BIT
Unsigned
unsigned 16 bits Unsigned Value 3 Decimal Places
unsigned 16 bits Unsigned Value AS Seconds SHOW AS
Duration Max Value = OFF
unsigned 16 bits Unsigned Value AS Seconds SHOW AS
Duration
unsigned 16 bits Trace Memory Channel Data
Leading
Lagging
unsigned 16 bits 350 Trace Memory Channel Data
Va
Vb
Vc
Vx
Not Used
Not Used
Ia
Ib
Ic
350 FORMAT CODES
Long Description
P
Q
R
S
T
U
V
W
X
Y
Z
Leading
Lagging
Va
Vb
Vc
Vx
Not Used
Not Used
Ia
Ib
Ic
12-89