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Input
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±10 V or 0 to 20 mA / 4 to 20 mA, via different terminal connections
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Input type
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Differential input
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Digital converter resolution
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Voltage
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±12-bit
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Current
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12-bit
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Conversion time
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300 μs for all inputs
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Output format
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Data type
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INT
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Voltage
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INT 0x8001 - 0x7FFF / 1 LSB = 0x0008 = 2.441 mV
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Current
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INT 0x0000 - 0x7FFF / 1 LSB = 0x0008 = 4.883 µA
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Input impedance in signal range
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Voltage
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20 MΩ
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Current
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-
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Load
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Voltage
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-
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Current
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<400 Ω
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Input protection
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Protection against wiring with supply voltage
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Permissible input signal
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Voltage
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Max. ±30 V
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Current
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Max. ±50 mA
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Output of digital value during overload
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Configurable
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Conversion procedure
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SAR
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Input filter
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Third-order low-pass filter / Cutoff frequency 1 kHz
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Max. error
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Voltage
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Gain
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0.08%
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Offset
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0.015%
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Current
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Gain
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0 to 20 mA = 0.08% / 4 to 20 mA = 0.1%
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Offset
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0 to 20 mA = 0.03% / 4 to 20 mA = 0.16%
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Max. gain drift
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Voltage
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0.006%/°C
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Current
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0 to 20 mA = 0.009 %/°C
4 to 20 mA = 0.0113 %/°C
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Max. offset drift
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Voltage
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0.002%/°C
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Current
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0 to 20 mA = 0.004 %/°C
4 to 20 mA = 0.005 %/°C
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Common-mode rejection
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DC
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70 dB
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50 Hz
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70 dB
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Common-mode range
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±12 V
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Crosstalk between channels
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<-70 dB
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Nonlinearity
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Voltage
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<0.025%
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Current
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<0.05%
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Insulation voltage between channel and bus
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500 Veff
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