Panasonic FP7 Series User Manual

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Panasonic FP7 Series User Manual Manual pdf 56 page image

6.6 Disconnection Detection (AFP7TC8) Overview of functionsThis function is to announce an error with the disconnection detection flag if the result of inputdoes not reach a certain value while thermocouple input, voltage input range of +1 to +5 V orcurrent input range of +4 to +20 mA is set in the thermocouple multi-analog input unit.• If disconnection is detected while the disconnection detection execution relay is ON using auser program, the disconnection detection flag will be turned ON.• There are two ways to reset the disconnection detection. When selecting "Auto", thedisconnection detect flag will be automatically turned OFF at the time of reset. If the manualreset setting is made, the disconnection detection flag will be turned OFF by using a userprogram and turning OFF the disconnection detection execution relay. Action with the detection disconnection reset setting set to autoAnalog inputvalueDisconnectiondetectionexecution relay(*1)(t)( V / mA )Disconnectiondetection flag(*2)Disconnection threshold0.7 V or 2.8 mA(Note) The disconnection threshold in the above figure is that when the voltage input range of +1 to +5 V or currentinput range of +4 to +20 mA is set. Action with the detection disconnection reset setting set to manualAnalog inputvalue(t)Disconnection threshold0.7 V or 2.8 mA( V / mA )The disconnectiondetection flag (X) is turnedOFF with the disconnectiondetection execution relayturned OFF.While in manual mode, thedisconnection detection flag (X)will not automatically turn OFFwhen the voltage is recovered.Disconnectiondetectionexecution relay(*1)Disconnectiondetection flag(*2)(Note) The disconnection threshold in the above figure is that when the voltage input range of +1 to +5 V or currentinput range of +4 to +20 mA is set.Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com