Utank - Samoa NEXU Installationshandbuch

3. INSTALLATION AND CABLING

3.2.9 UTANK

These are the main external elements of the UTank:
1. RGB LED graphic bars.
2. 128x64 backlight LCD display.
3. Keypad.
4. Status LEDs .
5. Bypass key switch.
This unit needs external mains power. You have to connect the PSU unit
to 240 VAC / 110 VAC 50 / 60 Hz mains supply. Wiring for this connector
must be 3 x 1.5 mm 2 minimum.
This unit can control up to two tanks with different kind of probes
(analogue or contact probes) and the communication has to be made via
CANBUS and it can control a general air supply solenoid valve and one
air solenoid valve for each pump.
In the attached drawing, Channel 1 indicates the connectors for the
Tank 1 and Channel 2 indicates the connectors for the Tank 2
J21 and J22 connectors are both meant to connect the U-TANK unit to
the NEX-U CAN-BUS network.
No power lines (black/red wires) are required for the operation of this unit.
Connect each wire of the CAN-BUS cable to the 5 pole male plug
(951982) according to the scheme shown.
This unit can control up to 2 fluid tanks, each of them will be connected
into one channel of the unit. Both channels are symmetrical and has the
same functionality (inputs/outputs). If only one tank is connected to the
unit, it must be assigned to channel 1.
For each channel, these are the available inputs/outputs. The following
picture is for channel 1; channel 2 is identical:
SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com
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1
POWER CONNECTION
EN
1
2
3
5
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R. 06/21 838 861