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6.4.2 Configure Discrete Output Polarity
Display OFF-LINE MAINT > OFF-LINE CONFG > IO > CH B > SET DO > DO POLAR
ProLink II ProLink > Configuration > Frequency/Discrete Output > Discrete Output > DO Polarity
ProLink III Device Tools > Configuration > I/O > Outputs > Discrete Output
Field Communicator Configure > Manual Setup > Inputs/Outputs > Discrete Output > DO Polarity
Overview
Discrete outputs have two states: ON (active) and OFF (inactive). Two different voltage
levels are used to represent these states. Discrete Output Polarity controls which voltage level
represents which state.
Procedure
Set Discrete Output Polarity as desired.
The default setting is Active High.
Options for Discrete Output Polarity
Options for Discrete Output PolarityTable 6-10:
Polarity Description
Active High
• When asserted (condition tied to DO is
true), the circuit provides a pull-up to 24 V.
• When not asserted (condition tied to DO is
false), the circuit provides 0 V.
Active Low
• When asserted (condition tied to DO is
true), the circuit provides 0 V.
• When not asserted (condition tied to DO is
false), the circuit provides a pull-up to 24 V.
Integrate the meter with the control system
118 Micro Motion
®
Model 2700 Transmitters with Analog Outputs