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13 – 6

Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 2.0

Section 13 • Instruments Calibration

Figure 13-6. Instruments Calibration Screen - Analog Outputs (Page 6)

Max (mA):

• If the 20ma output has an unacceptable amount of

error. The operator can use the “+” & “-” buttons to

adjust the output

Offset (mA):

• By entering the value of the error from the calibrated

value and the actual value into the offset entry box,

that error will be added/subtracted from the mA val-

ue. The offset is applied to the mA value which should

correct the error. Resolution of error should not be

less than 0.01.

Apply Changes:

• Min (mA) and Max (mA) values are stored to data-

base on press of this button. Offset (mA) value which

is used to correct 4mA or 20mA output is hence not

saved until this button is pressed.

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Emerson Vission Manual de Serviço Página 94