QUANTUM X CX27 Operating Manual
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Contents
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47HBMQuantumX7.5 Digital inputs and outputsThe CX27 provides two digital inputs (pin 1 or 2) and two digital outputs (pin 3 or 4) on ascrew terminal plug.The digital IO line can be used in two ways:A) with external power supply• in this case connect your power line to pin 2 (24 V)• voltage level within a range of 5.5 ... 42 V• maximum load: 100 mAB) internal power supply• in this case, please connect pin 8 (UINT) to pin 2 (24 V)• voltage level is TTL (5.5 V nominal)• maximum load: 1 mAInput or output status is indicated through a LED below the screw terminal.Each output is short circuit proof. We recommend to use shielded cable in disruptiveinterference. Connector for shield (pin 7) and signal ground (pin 1) are different.Pin 8: UINT = internal supply voltagePin 7: Cable shieldPin 6: 4 − digital OUT 2Pin 5: 3 − digital OUT 1Pin 4: 2 − digital IN 2Pin 3: 1 − digital IN 2Pin 2: 24 V = external supply voltagePin 1: Signal groundExample with 1 digital input and 1 digital output with internal power supply:Digital OUT: i.e. Status LEDDigital IN:i.e. trigger8753Bridge: 24 V to UINT |
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