IB IL 24 AI 2/SF-230
28
6232A
Current Inputs
Input resistance
50
Ω
(shunt)
Limit frequency (-3 dB) of the input filter
230 Hz
Process data update of both channels
< 1.5 ms
Behavior upon sensor failure
Going to 0 mA/4 mA
Maximum permissible voltage between analog
current inputs and analog reference potential
±5 V (corresponding with 100 mA across the
sensor resistances)
Common mode rejection (CMR)
90 dB, minimum
Reference: Current input signal, valid for
permissible DC common mode voltage range
110 dB, typical
Permissible DC common mode voltage for
CMR
40 V between current input and FE
Maximum permissible current
±100 mA
Analog Input Stages (Continued)
Tolerance and Temperature Response of the Voltage Inputs
(The error indications refer to the final value of the measuring range: 10 V)
Typical
Maximum
Error at +23°C (73.4°F)
Offset error
±0.03%
±0.06%
Gain error
±0.05%
±0.10%
Differential non-linearity
±0.10%
±0.20%
Total error of the voltage inputs at +23°C (73.4°F)
Offset error + gain error + linearity error
±0.15%
±0.30%
Temperature response at -25°C to +55°C (-13°F to 131°F)
Offset drift T
KVO
±6 ppm/K
±12 ppm/K
Gain drift T
KG
±30 ppm/K
±50 ppm/K
Total voltage drift T
Ktot
= T
KVO
+ T
KG
±36 ppm/K
±62 ppm/K
Total error of the voltage inputs
(-25°C to +55°C[-13°F to +131°F])
Offset error + gain error + linearity error + drift error
±0.30%
±0.50%