
Manufacturer Specific Profile Area
CAN-CBX-THERMO
Manual • Doc.-No.: C.3034.21 / Rev. 1.2
Page 111 of 123
Process-Value Calculation
1) Correction FV
FV
AI FV
corr
corr
=
+
¾
¿
À
Á
Â
Ã
_
1
2
22
with
FV
corr
:
internal corrected field value in ADC-units
AI_FV
[Object 9100
h
]:
analog input field value
corr
:
internal correction factor
[
]
corr
gc PGA
gc PGAy
=
+
_
_
1
with
gc_PGA1
[Object 2503
h
]:
gain correction factor PGA=1
gc_PGAy
[Objects 2504
h
, 2505
h
, 2506
h
]: additional gain correction for the gain (y= 2,3,4)
PGA=2 [2504
h
], PGA=3 [2505
h
] und PGA=4 [2506
h
]
2) Calculation PV
U
(sensor voltage)
(
)
PV
k
FV
u offset
U
corr
=
×
+
_
with
PV
U
:
process value, voltage measurement, unit [nV]
k: . . .
internal conversion factor, always 1.9073 nV
u_offset
[Object 2510
h
]:
voltage offset value for the compensation of the systematic
measuring error