Q.seriesGantner Instruments Test & Measurement GmbH 694 Connecting the modules → Q.bloxx A123: Connecting sensorsTipFurther information on transducers and sensors can also befound in Chapter 6 from Page 107 onwards.4.16.1 VoltageYou can measure voltage differences of up to ±10 V. The voltagelevel (the potential) may be up to 1200 VDC.IMPORTANTVoltage differences which exceed the admissible limits produceincorrect measurement data, because the inputs are protectedagainst overvoltages and limit the input voltage.Fig. 4-64 A123, voltage measurement.4.16.2 CurrentYou need an (external) shunt resistance for the current measure-ment.Fig. 4-65 A123, current measurement using an external shuntresistance.U2, 7 (+)4, 9 (–)I R ext.2, 7 (+)4, 9 (–)