The sensor module for voltage measurement and temperature measurement for the temperature sensor PT100 EXDUL-392 has four ground-related or two differential 16-bit A / D voltage input channels with bipolar input voltage ranges (+/- 0.63 V, +/- 1.27 V, +/- 2.55 V, +/- 5.1 V, +/- 10.2 V), as well as via 2 bipolar current inputs (+/- 20mA), which are adjusted to 4..20mA. For temperature measurements with PT100 sensors, the module has 3 measuring units, each with its own power source and measuring inputs. The conversion initiation including the associated configuration of the A / D components (area / channel selection) takes place via software command. In addition, the module has a digital input and a digital output with galvanic isolation via high-quality optocouplers and additional protective diodes.Special high-performance output optocouplers can handle a switching current of up to 150 mA. The module is supplied with the necessary operating voltage via USB or an external voltage source. The programmable LCD display enables digital and analog I / O status information or programmable user-specific data to be displayed.
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