TPG DPM-3221 User Manual Download Page 4

 

   

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DISPLAYS: 

 

A.   On first powering up the display, the firmware version and factory preset data port mode are shown. Then 

it briefly shows the preset shunt rating of the DPM and finally the data display appears. 

 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
B.  On the data display, the Volts, Amp and Watt are continuously displayed; all other data is shown 

cyclically at about 3 second intervals. The  display can be toggled  bet ween fixed and cyclical by one 
quick  press of the "Reset" button (5). 

 

1.   Current (Amps - A, Peak Amps - Ap, Minimum Amps - Am): 

The Amps value is the average current through the Meter's black wire over the last screen update 
interval. Ap is the Peak (maximum) current to the LOAD, since start up to the present time. 
Similarly, Am is the minimum current. 

2.   Voltage (Volts - V, Maximum Voltage – Vp, Minimum Voltage - Vm): 

The Volts value is  the  average voltage over the  last screen update interval. Vp is  the  Peak  (maximum) 
voltage from the source  side  since  start up to  the  present time. Similarly for Vm (minimum) which is the 
minimum voltage, voltage dip or sag on the source side since start up. 

3.   Charge (Amp-hours - Ah): 

The value displayed is the total charge in Amp-hours delivered to the LOAD since start up. The Amp-
hours is determined using the internal clock of the MCU. 

4.   Energy (Watt-hours - Wh): 

The  value  displayed  is  the  total  energy  delivered  to  the  LOAD  in Watt-hours  since  start  up.  The  Watt-
hours is determined using the internal clock of the MCU. 

5.   Power (Watts - W, Peak Watts - Wp): 

The value  displayed is  the  average power  delivered in  Meter  over the last  screen update  interval. The 
displayed Peak Watts value (Wp) is the maximum power drawn of the LOAD, since start up. 
 

 
  C
.  Operation time since start up: 
  

 

 

 

 

 
The second line displays the elapsed time since start up in HH:MM:SS format.

 

 
 

Summary of Contents for DPM-3221

Page 1: ...the last set of data values Ah Wh peak Current peak Watts and sometimes min and peak Voltage is retained and displayed when the DM 3221 is powered up A new group of data up to 20 is created each time...

Page 2: ...of external DC source RC Remote Clear this is for deleting the stored data and setting the shunt rating 4 Phono Socket for connection to optional Data Adapter DPA 3051 5 Reset Switch To clear saved d...

Page 3: ...er and check that the DPM powers up If no display appears then check for reverse polarity and ensure that the voltage is greater than 5 Volts 2 The last set of accumulated data will appear on the LCD...

Page 4: ...tage Vp Minimum Voltage Vm The Volts value is the average voltage over the last screen update interval Vp is the Peak maximum voltage from the source side since start up to the present time Similarly...

Page 5: ...when the External Shunt is displayed press and hold the reset button for 3 seconds 4 Release the reset button and note that the LCD will show the current DPM shunt setting Fig 1 5 A quick press on the...

Page 6: ...isplay indicates Press again 5 seconds to reset then release the Reset button and press again holding for 5 seconds to delete the data 2 Use the external power source socket and connect the remote I O...

Page 7: ...rrent Am Peak Watt Wp The new high and low values of voltage and current will replace the old ones during the metering period and registered at the end of the metering period Accumulative Max Operatio...

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