Alarm Lock Eagle 6000 Especificaciones descargar pdf (Pagina 38)

Eagle Research Corporation

REV 11.1.11 Page | 34

3. The unit will enter calibration mode and the display will show the current value and

mA representation of the analog output signal. For example,

Eng: 48.000

mA: 11.680

where 48.000 is the analog output reading representing 11.680 mA. The top line

will alternate between four different readouts Eng: 48.000, UP/DN TO

CHANGE,

CALIBRATING, and the parameter label while the bottom line will always show

the mA value.

4. Connect a multimeter in series with the loop to measure the current. The field

instrument that the loop is driving can also be used to read the output, if desired.

5. Pressing will increment the output current to represent 0%, 25%, 50%, 75%, &

100% of the analog output parameter to check the calibration. Pressing will

decrement the output current. Therefore, 0% = 4mA, 25% = 8mA, 50% = 12mA,

75% = 16mA, & 100% = 20mA.

6. If adjustments are needed, press zero. The display now shows:

zero: x.xxx

04.000 +y.yyy mA

x.xxx represents the default zero value (low scale), and y.yyy is the adjustment

made to 4mA for the analog output signal. The adjustment can either be positive

or negative shown by + or - respectively. The top line will alternate between

zero: x.xxx and UP/DN TO ADJUST. This is the zero adjusted value to calibrate

the analog output to 4mA.

7. Press or to increase or decrease the output until the meter reads 4mA, or the

current zero reference matches the field equipment. Press ent to collect the new

point.

8. Press span. The display shows:

span: x.xxx

20.000 +y.yyy mA

where x.xxx represents the default span value (full scale), and y.yyy is the

adjustment made to 20mA for the analog output signal. The adjustment can

either be positive or negative shown by + or - respectively. The top line will

alternate between span: x.xxx and UP/DN TO ADJUST. This is the span

adjusted value to calibrate the analog output to 20mA.

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Alarm Lock Eagle 6000 Especificaciones Pagina 38