NF FRA5087 - Table 6-2 D) Measurement Data File Format - Data (OPERATED Data); Table 6-2 C) Measurement Data File Format - Data (RAW Data); Table 6-3 B) Data Format (OPERATED Measurement Data, OPRD); Table 6-3 A) Data Format (RAW Measurement Data, RAW)

6.3 File format
FRA5087
6-6
Table 6-2 c) Measurement data file format - Data (RAW data)
Offset
Type
Descriptions (content)
212(0xd4)
RAW
Invalid data RAW[0]
240(0xf0)
RAW
RAW[1]
268(0x10c)
RAW
RAW[2]
:
RAW
:
212+28  Num
(0xd4+0x1c  Num)
RAW
RAW[NUM]
Table 6-2 d) Measurement data file format - Data (OPERATED data)
Offset
Type
Descriptions (content)
212(0xd4)
OPRD
Invalid data OPRD [0]
228(0xe4)
OPRD
OPRD [1]
244(0xf4)
OPRD
OPRD [2]
:
OPRD
:
212+16  Num
(0xd4+0x10  Num)
OPRD
OPRD [NUM]
The formats for the RAW data (RAW) and the OPERATED data (OPRD) are described in the
“Table 6-3 Data format” below. The RAW data (RAW) and the OPERATED data (OPRD)
occupy 28 bytes (0x1c) and 16 bytes (0x10), respectively, per data (set).
Table 6-3 a) Data format (RAW measurement data, RAW)
Offset
Type
Descriptions (content)
0
double
Frequency (Hz)
8
float
CH1 voltage (Vrms)
12(0xc)
float
Phase of CH1 with reference to CH2 (deg)
180.0 < phase  +180.0
16(0x10)
float
CH2 voltage (Vrms)
20(0x14)
double
Coherence
Table 6-3 b) Data format (OPERATED measurement data, OPRD)
Offset
Type
Descriptions (content)
0
double
Frequency (Hz)
8
float
Gain
12(0xc)
float
Phase(deg) 180.0< phase +180.0