Kingspan WATCHMAN FLO Manual Tecnico página 5

Smart Monitoring
UK & Ireland
3.6 Float switch leak detection input
3
4
Sensor excitation voltage: 5VDC
■
Float switch type: NC
■
3.7 PTC leak detection input
4
5
Sensor excitation voltage: 24VDC
■
Max current: 120mA
■
Warning: PTC and Float Switch leak sensor cannot be connected in the same time.
3.8 Ext power input
6
Max voltage applied: 24VDC
■
Power min: 10W
■
Warning: Mains power (connector J6) MUST be disconnected when device powered by 24VDC.
3.9 Flowmeter input
7
8
Voltage excitation: 3.3VDC
■
Input type: pull up with internal resistor
■
Volt free contacts (Open Collector or Reed Switch) compatible
■
Max frequency: 300Hz
■
3.10 4..20mA input
9
10
Voltage excitation: 24VDC
■
Input type: 4..20mA current loop
■
Current limited internally to 25mA
■
Flo
J3
Float switch
Float switch
J3
PTC
PTC
J3
+24VDC input
J2
+
-
J2
+
-
5