MAXICAL
®
III
5511-229 GB/98.06/Rev. B1
20
4.5.2Flow meters with analogue output
Using flow meters with analogue output (4 … 20 mA) an I/F
converter is needed to convert the measuring current to flow
pulses.
Kamstrup’s DIN rail module type 79-68-411 is suitable for this
purpose.
In this case flow meter 9-10-11 is to be used together with CCC
codes 3xx.
4.6 Selecting flow meter inputs and pulse outputs
Before opening the unit, disconnect the supply! Remove the
terminals plugs nos. 27 and 28 at the rear.
Remove the four screws that hold the rear plate in position and
MAXICAL
®
III’s print switch is accessible on the middle PCB.
Note:
If you remove the PCB, MAXICAL
®
III’s internal clock will loose
time. The clock can be set via MULTITERM III hand-terminal or
via the computer program, type no. 66-99-210.
Red
Yellow
Blue