USER MANUAL 1.2 | B-FORTIS CC-SLIM SERIES
Berghof Automation GmbH | Arbachtalstrasse 26 | 72800 Eningen | Germany | www.berghof-automation.com
36
Operating mode: voltage input AI (U)
Feature
Value
Description
Dynamic properties
Analogue filtering
Second-grade low-
pass filter; cut-off fre-
quency 650 Hz
–
Greatest temporary
deviation during
electrical error test-
ing according to IEC
61131-2
1% of measuring
range
–
Operating mode: temperature inputs AI-PT
Feature
Value
Description
Connections per in-
put
–
Sensor connection between AI (U/T) and
AGND
(if applicable, an additional AI (U) channel is
used for 3-wire measurement)
Possible sensors
PT100 and PT1000
acc. to EN 60751
Accuracy class AA, A, B and C platinum sen-
sors may be used
Measuring range
-40 - +200°C
–
Measuring current
(RMS)
0.3 mA
–
Conversion time
250 ms
–
Max. errors at 25°C
±2,100 ppm (±0.5°C)
–
Temperature coeffi-
cient
±50 ppm/K
(±0.012°C/K)
–
Digital resolution
24 bit
–
Data format in
application program
2 × 32 bit real
(floating-
point number) in Ohms (Ω) and de-
grees Celsius (°C)
Linearisation
–
The value in degrees Celsius is calculated
from the resistance value and linearised (6th
degree polynomial)
Input type
–
2-wire measurement or 3-wire measurement
Reference potential
AGND
–
Dynamic properties
