Hach Flow Cell FC 48/10 USC Quick Start Manual page 10

FlowCell FC 48/10 USC
1.4.3 Connection of electronics
FlowCell electronics can only be installed after the sensor is installed correctly and the
Flow-Cell is completely filled with water.
It is a prerequisite that the sensor and FlowCell are installed and mounted correctly
and that the FlowCell is filled completely before starting electronic installation. For
commissioning follow the instructions as follows:
1 Power supply
1.4.4 Trigger Line Connection
The trigger signal must be applied for at least 100 ms (debouncing)!
The trigger line has three connections that leads out of the FlowCell through a
three-wire cable. The construction of the trigger input is shown in the following
block diagram.
FlowCell
μC
N O T I C E
N O T I C E
DC
DC
2
2 Trigger line
Wire
color
blue
blue
white
white
brown
brown
1
Function
+5 V (isolated)
Trigger input
GND (isolated)
English 9