Emerson Model 1700 Manual De Usuario

6.4.3

Configure Discrete Output Fault Action

Display (standard)

Chinese-language
display

ProLink II

ProLink

 > Configuration > Frequency/Discrete Output > Discrete Output > DO Fault Action

ProLink III

Device Tools

 > Configuration > Fault Processing

Field Communicator Configure > Manual Setup > Inputs/Outputs > Discrete Output > DO Fault Action

Discrete Output Fault Action

 controls the behavior of the discrete output if the transmitter

encounters an internal fault condition.

For some faults only: If Last Measured Value Timeout is set to a non-zero value, the transmitter will not
implement the fault action until the timeout has elapsed.

Do not use Discrete Output Fault Action as a fault indicator. If you do, you may not be able to
distinguish a fault condition from a normal operating condition. If you want to use the discrete
output as a fault indicator, see 

Set Discrete Output Fault Action as desired.

The default setting is None.

Options for Discrete Output Fault Action

Options for Discrete Output Fault Action

Polarity=Active High

Polarity=Active Low

Upscale

•

Fault: discrete output is ON
(site-specific voltage)

•

No fault: discrete output is con-
trolled by its assignment

•

Fault: discrete output is OFF
(0 V)

•

No fault: discrete output is con-
trolled by its assignment

Downscale

•

Fault: discrete output is OFF
(0 V)

•

No fault: discrete output is con-
trolled by its assignment

•

Fault: discrete output is ON
(site-specific voltage)

•

No fault: discrete output is con-
trolled by its assignment

Integrate the meter with the control system

98