
Configure
Flow Switch
parameters
Display
OFF-LINE MAINT
>
OFF-LINE CONFG
>
IO
>
CH B
>
SET DO
>
CONFIG FL SW
ProLink II
•
ProLink
>
Configuration
>
Flow
>
Flow Switch Variable
•
ProLink
>
Configuration
>
Flow
>
Flow Switch Setpoint
•
ProLink
>
Configuration
>
Flow
>
Flow Switch Hysteresis
ProLink III
Device Tools
>
Configuration
>
I/O
>
Outputs
>
Discrete Output
Field Communicator
•
Configure
>
Manual Setup
>
Inputs/Outputs
>
Discrete Output
>
Flow Switch Source
•
Configure
>
Manual Setup
>
Inputs/Outputs
>
Discrete Output
>
Flow Switch Setpoint
•
Configure
>
Manual Setup
>
Inputs/Outputs
>
Discrete Output
>
Hysteresis
Overview
Flow Switch
is used to indicate that the flow rate (measured by the configured flow variable)
has moved past the configured setpoint, in either direction. The flow switch is
implemented with a user-configurable hysteresis.
Procedure
1.
Set
Discrete Output Source
to
Flow Switch
, if you have not already done so.
2.
Set
Flow Switch Variable
to the flow variable that you want to use to control the flow
switch.
3.
Set
Flow Switch Setpoint
to the value at which the flow switch will be triggered (after
Hysteresis
is applied).
•
If the flow rate is below this value, the discrete output is ON.
•
If the flow rate is above this value, the discrete output is OFF.
4.
Set
Hysteresis
to the percentage of variation above and below the setpoint that will
operate as a deadband.
Hysteresis
defines a range around the setpoint within which the flow switch will not
change. The default is 5%. The valid range is 0.1% to 10%.
Example: If
Flow Switch Setpoint
=
100
g/sec and
Hysteresis
=
5%
, and the first measured
flow rate is above 100 g/sec, the discrete output is OFF. It will remain OFF unless the
flow rate drops below 95 g/sec. If this happens, the discrete output will turn ON, and
remain ON until the flow rate rises above 105 g/sec. At this point it turns OFF and
will remain OFF until the flow rate drops below 95 g/sec.
Integrate the meter with the control system
Configuration and Use Manual
117
Summary of Contents for MICRO MOTION 2700
Page 10: ...Getting Started 2 Micro Motion Model 2700 Transmitters with Analog Outputs ...
Page 14: ...Before you begin 6 Micro Motion Model 2700 Transmitters with Analog Outputs ...
Page 26: ...Configuration and commissioning 18 Micro Motion Model 2700 Transmitters with Analog Outputs ...
Page 84: ...Configure process measurement 76 Micro Motion Model 2700 Transmitters with Analog Outputs ...
Page 214: ...Measurement support 206 Micro Motion Model 2700 Transmitters with Analog Outputs ...
Page 258: ...Troubleshooting 250 Micro Motion Model 2700 Transmitters with Analog Outputs ...
Page 354: ...Default values and ranges 346 Micro Motion Model 2700 Transmitters with Analog Outputs ...
Page 373: ......