AB | 1771-NBSC | Analog Module

For the inputs, the range of the current is 0.1 – 21 mA and the input resolution is 330nA/bit at 16 bits unipolar. The input impedance reaches a maximum of 300ohm. The power supplied by the 1771-NBSC module for the current loop is 20 – 30V DC (0-20mA). The module provides an input overvoltage protection rated at 24V DC continuous. The 1771-NBSC module requires 5s to detect open inputs. It offers a 50/60 dB minimum normal mode rejection and the typical common mode rejection is 150 dB. The offset drift and the gain drift are ±200nA/°C and ±95 ppm/°C respectively. The 1771-NBSC’s range of input bandwidth is 9Hz and the calibration values are 1.000mA/21.000mA. The under range and over range thresholds are 3.2mA and 21mA respectively.

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