Hach Flow Cell FC 48/10 USC Quick Start Manual page 11

FlowCell FC 48/10 USC
To trigger a cleaning process there are two options: You can use the 5 V signal that
is led out of the FlowCell to realize a triggering over an external switch contact.
μC
Alternatively an external signal voltage of 5 to 24 V DC (in reference to GND-line)
can be put on the "Trigger input" line.
μC
1.4.5 Connection of power supply
Electrical shock and fire hazards. Make sure that the supplied cord and non-locking plug
meet the applicable country code requirements.
The manufacturer recommends to use only the supplied power supply.
For the power supply of the FlowCell electronics, a power supply unit of 12 to 24 V DC with
an output cable with at least 15 W is needed.
The power supply is connected through the power socket of the FlowCell like it is
shown in the following polarity illustration.
10 English
FlowCell
DC
DC
FlowCell
DC
DC
WA R N I N G
N O T I C E
N O T I C E
+
External measurement
blue
white
brown
blue
white
brown
–
2,1 x 5,5
controller
Cleaning cycle
Trigger
External measurement
controller
+5..24 VDC
GND
Cleaning cycle
Trigger