8.2.1.5. (X5) Expansion
20-terminal ribbon cable connector used to connect optional 4-IN/OUT board. Four holes in
the FullClean Plus PCB can be used to mount the 4-IN/OUT board. In that case an extra
extension ring must be mounted between the top lid and the back part of the enclosure.
8.2.1.6. (X6) FTT
One 16-terminal- and one 10-terminal ribbon cable connector for the Fusion Tiny Terminal
(FTT) PCB, mounted in the lid of the FullClean Plus. The 16-terminal connector is for the older,
previous type FTT and the 10-terminal connector for the current type FTT.
8.2.1.7. (X7) 01-04
5-terminal connector, from 4 electrically isolated relay outputs, capable to control four loads
up to a maximum of 5 A/230 V AC in total. These outputs can be used to activate water valves,
vacuum valves or water circulation valves and share a common power supply. The contacts
are open if the FullClean Plus is powered (normally open).
Connector X20 should be used to connect the power supply for these four outputs.
These output relay contacts are by default not protected against arcing. Upon installation,
suitable contact-protection must be implemented, see Section 9.2 for information about
relay-contact protection.
8.2.1.8. (X8...X15) 05...012
Eight 2-terminal connectors, from 8 electrically isolated relay outputs, capable to control eight
loads up to a maximum of 8 A and 230 V AC each. These connectors are used, for instance,
to control a vacuum pump, a milk pump, the Milk Meter power supply. The contacts are open
if the FullClean Plus is unpowered (normally open). These output relay contacts are by default
not protected against arcing. Upon installation, suitable contact protection must be
implemented. See Section 9.2 for information about relay-contact protection.
8.2.1.9. (X17) Alarm
One 2-terminal, low capacity relay contact (1 A, 24 V AC/DC). This relay contact is normally
closed (contact closed when FullClean Plus unpowered) and can be used to connect an alarm
device such as a lamp or buzzer.
8.2.1.10. (X18 A/B) 24 V
Two 2-terminal connectors for 24 V power- input/ output:
The + and - is only a reference for the internal electrical connection between these terminals.
• FullClean Plus 24 V: This is the input for a 24 V AC/DC power supply. Either one of
the two connectors can be used for powering the FullClean Plus. The other can be
used to provide power along the terminals of the controller, which needs 24 V
• FullClean Plus 115/230 V: The connectors X18 A/B carry the 24 V AC of the internal
transformer, and can be used as a power source to supply a maximum of 500 mA. It
can be used to provide power along the terminals of the controller, which need 24 V.
This connector X18 A/B is protected by the 500 mA fuse F15
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