Chapter 6 Control Mode of Operation ASDA-A2R SeriesRevision December, 2014 6-396.6.3 Analog MonitorUsers could observe the needed voltage signal via analog monitor. Two analog channelsare provided by the servo drive and locate in terminal 15 and 16 of CN1.Related parameter: Please refer to Chapter 8 for further information.Parameter Abbr. FunctionP0-03 MON Analog Output MonitorP1-03 AOUT Polarity Setting of Encoder Pulse OutputP1-04 MON1 MON1Analog Monitor Output ProportionP1-05 MON2 MON2 Analog Monitor Output ProportionP4-20 DOF1 Offset Adjustment Value of Analog MonitorOutput (Ch1)P4-21 DOF2 Offset Adjustment Value of Analog MonitorOutput (Ch2)For example, when users desire to observe the voltage signal of channel 1, if the monitoroutput voltage is 8 V per 2.25 M, then the setting value of P1-04 should be changed to 50(= 2.25 M/max. input frequency). Other related setting includes P0-03 (X = 3), P1-03(Polarity Setting of Encoder Pulse Output , range from 0 to 3, to setup positive / negativeoutput); In general, when the output voltage value of Ch1 is V1, the pulse commandfrequency is equal to (Max. input frequency × V1 /8) × P1-04/100.Since there is an offset value of analog monitor output voltage, the zero voltage level ofanalog monitor output does not match to the zero point of setting value. It isrecommended to use Offset Adjustment Value of Analog Monitor Output, DOF1 (P4-20and DOF2 (P4-21) to improve it. The max. output voltage is ±8V, if the voltage exceedsthe range, it will be limited within the range of ±8V. The revolution of ASDA-A2R is 10bits,which approximates to 13mV/LSB.8VDOF-8V
