Epson 9840 Manual do Utilizador descarregar pdf (Página 59)

INTERFACE MODEL 9840 VER 6.0.2

Precision Shunt Calibration Resistors

This diagram shows the connection of the precision internal shunt resistors.

The back panel switch (shown to the left of the two resistors) selects between 30 KΩ

and 60 KΩ.

The shunt check relay (shown to the right of the two resistors) connects the selected

resistor between the Excite High and the Cell Output High.

30 K

60 K

Cell Output High

Sense High

Excite High

Excite Low

Sense Low

Cell Output Low

LOAD

CELL

MODEL 9840 PG 58 PUB. 2856-16

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Epson 9840 Manual do Utilizador Página 59