BioProTT
TM
Flow Measurement System Version 1.00 page 18 of 75
Details can be found in the following chapters.
6.1.1 Wiring in “Active” Set-Up when Flow Meter is Not Relying on
Current Loop Power
As discussed above, in an “active set-up” the device is not relying on current loop power,
instead the power supply used to power the device is also used to power the current loop.
This and the “active” wiring are shown in more detail below.
DC power can be supplied with the power supply unit shipped with the system. If this
power supply unit is not used, DC power can be supplied either through PIN 1/3 of the
Power, Flow or RSS socket using a compatible connector, e.g. from BINDER (part number
99 0079 100 04 - CIRCULAR, CONNECTOR, PLUG, 4POS).
This is e.g. useful, when connecting it to a process control and centrally powering the
devices on or off. In case power is provided via the Flow or RSS socket, the on/off button
is no longer “active”, i.e. the flow meter will start up as soon as power is available.
If power is supplied via the power socket please observe the on/off button.
The “active” set-up means that the power supply used to power the flow meter is also used
to power the current loop. To do so, a wire bridge is applied from Pin 1 to Pin 2 of the
Flow respective RSS cable.
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