Manual FLOW 38 Page 19 (total 54) COMAC CAL s.r.o.
The PANEL (P) – this design is modified for building in panel areas, ideally into door, etc. where
Built-in installation is desirable.
The installation of the evaluation unit is carried out by cutting a 110x110mm square opening with an
overall area considered for the 140x140mm unit. Remove the square frame from the unit whereas the
sealing is left on the unit. After pulling the unit through the installation opening, put on the frame from
the rear side and tighten it with four inserted screws in the lateral holes so that the unit is stabilized and
prevented from a possible displacement.
*The necessary mounting depth, including the cable connector from the flow sensor is 200mm.
Meter wiring
The evaluation unit consists of two assemblies:
Front PCB with display unit Input/Output PCB along with power supply
Evaluation unit terminal board wiring:
Terminals No. 1, 2 current output 4…20 mA
Terminals No. 3, 4 OUT1-Imp/Flow switch
Terminals No. 5, 6 RS485 communication
Terminals No. 7, 8 OUT2-Imp/Flow switch/Status
Terminals No. 9,10 reset Total V register (resettable counter) by external button
Terminals No.11,12 output voltage 16 V/100 mA (power supply for changing to active current
and impulse outputs)
Terminals L, N, PE mains voltage 230 VAC (standard), available also in 24 VAC/VDC version
which does not matter on the polarity of the power connection.
(Install as an independent supply circuit with its own protection 0.5…1 A)
Note: Terminal board and jumper connection is always indicated on the power supply cover sheet and
on the rear cover.
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