Practical-instrument-electronics 820-ELITE Manual do Utilizador descarregar pdf (Página 19)

Page 17

The PIE 820-ELITE is

supplying the loop voltage.

There is a control loop

error. This may be a

transmitter (set for upscale

burnout) with a bad or

missing sensor, or a short

in the loop.

The PIE 820-ELITE is

supplying the loop voltage.

A calibrated transmitter is

limiting the loop current to

12.00 mA. An additional

0.28 mA is not controlled

by the transmitter and is

leaking somewhere in the

loop.

LEAK ERROR =

OVER RANGE

PWR MEAS

LEAK ERROR = 00.28

12.280 mA

PWR MEAS

Typical Error Conditions

READ

SOURCE

SET

OFF

MAX

READ

MIN

READ

OVERLOAD

Hz SYNC

Double Click

Push & Turn

for

Fast Dialing

Push & Hold

Store/Step

mA ∙ V ∙ pH ∙ TC ∙ Ω ∙ RTD ∙ Freq ∙ Pressure

12.280

PWR MEAS

LEAK ERROR = 00.28

Typical

2-Wire

Transmitter

+ IN - REF +OUT-

Transmitter Input

Sensor

Process Signal

Simulated Input

12.280

PROCESS

INDICATOR

Using Ground Leak Detection

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