Section 4

1010NFM-3J

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4.5.1 THE ANALOG OUTPUT TRIM MENU

Analog Output Trim allows you to fine-tune the meter’s analog voltage and current outputs using a multimeter connected to the output under test. In addition, you can use a frequency counter to fine-tune the meter’s pulse rate output.

NOTE: The current, voltage, and Pgen trimming will be limited by the 12-bit resolution of the meter’s D/A Convertor (DAC).

To access the Analog Output Trim menu press

ANALOG OUTPUT TRIM MENU STRUCTURE

Analog Output Trim Ö Io1 (Io2) Ö Ú Operate

Trim @ 4mA Ö Indicated mA = x.xx

 

Ö

 

 

 

 

 

 

Vo1 (Vo2)

Ö

Operate

Ú

Ö

 

 

Ú Trim @ 2V ÖIndicated V = x.xx

 

Pgen1(Pgen2) Operate

 

 

 

 

 

Ú Trim @ 1kHz ÖIndicated Hz = xxxx

4.5.2CURRENT OUTPUT TRIM (Io1 & Io2)

(Note: Can be trimmed to within .005 mA of nominal.) To calibrate a current output (Io1 or Io2):

Set up the multimeter to read Amps, then connect it to the supply and return terminals of the current output under test.

Move the highlight to the port to be tested, press

, then press

to move the cursor

to Trim @ 4mA.

Press ENT . This triggers a 4.00 mA pop-up window. The multimeter should now be reading 4.00 mA.

If the multimeter reading does not match, use the numeric keys to type in the multi- meter reading.

Press ENT to register setting. This adjusts the meter’s DAC (digital-to-analog converter) so that a 4mA output corresponds with 4mA on the multimeter.

Re-check the multimeter to make sure that it is now reading 4mA.

4.5.3VOLTAGE OUTPUT TRIM (Vo1 & Vo2)

(Note: Can be trimmed to within .0025 V of nominal.) To calibrate a voltage output (Vo1 or Vo2):

Set up the multimeter to read volts, then connect it to the supply and return terminals of the voltage output under test.

Move the highlight to the port to be tested

, press

, then press

to move

the cursor to Trim @ 2V.

 

 

 

Press ENT. This triggers a 2.00 Volts pop-up window. The multimeter should now be reading 2.00 Volts.

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Siemens SITRANS FUS1010 NEMA-4X/ IP 65 manual Analog Output Trim Menu, Current Output Trim Io1 & Io2