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PressureMAT User Guide
Revision 8
Page 26/48
3.3.
Connection to Back Panel
External Cable Connections to Back Panel
___________________
Panel Connector
_____________________
3.4.
Navigation in the Flow Meter Input Channel
At the HOME screen, the UP/DOWN arrows are used to select the flow input channel. The
flow meter menus are as follows.
Input Viewing
At this screen the UP/DOWN arrows are used to select what value is displayed on the HOME
screen. Press the SELECT/PROG button to select what value appears on the home screen for
the respective channel. The “*” appears next to the current selection for HOME screen
display. In most case this will remain as the PV Rate value (Present Value Flow Rate).
PV Qty 1 and PV Qty 2 are flow totalizers. They accumulate total flow. They can be reset to
zero by pressing the left arrow button. The PV signal is the frequency of pulses from the flow
meter and this is converted to flow by the pulse constant:
Flow (mL/m) = pulses/sec * 60 sec/min / pulses/mL
The pulse constant is set in the programming menu for the respective channel.
+5V
( - )Return
Common
Signal: 0-16.38KHz
FLOW
METER
INPUT
As shown on the back panel label, the SIGNAL
input is on the middle pin, the return/common is
on the top pin and if required (varies by type of
flow meter) the +5VDC is on the bottom pin.
NOTE: Wire colors may vary- confirm signals
before connecting.