Version: 1.06 151
COMBO (next)
3 x Analog Inputs
General
Model 4..20 mA ; passive
Mode 4..20 mA
Range Typical: 4 mA to 24 mA
Minimum: 4 mA to 22 mA
Impedance Minimum: 21 ohms
Typical: 23.9 ohms
Maximum: 26.4 ohms
Value for LSB Typical: 2.935 µA
Digital Input
Validity input associated to
each analog input
Returns ‘0’ when signal < 2.4mA and > 21.6mA
Returns ‘1’ when the signal is valid.
Protection
Double RC filter fc=723 Hz and 135.6 Hz
Against voltage inversion Maximum: 30 V
Against over surge Maximum: 100 mA
Against short-circuit of the
sensor
Maximum: 30 V
Precision
ADC converter 14 bits with successive approximations (13 bits + sign)
Error at 25 °C Maximum: +/- 0.47% Full Scale
Integral linearity Typical: +/- 2 LSB
Maximum: +/- 4 LSB
Differential linearity Typical: +/- 0.5 LSB
Maximum: +/- 2 LSB
Cabling
Twisted pair cable Maximum: 50 m
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