Werbung
Verfügbare Sprachen
Verfügbare Sprachen
4.2. Unit installation
In the CM20 central unit enclosure are present:
•
The unit power supply and pump control card. (4)
•
The CPU (motherboard) and the RFID badge reader.
•
The GPRS OnLine modem for Internet connection with
the SIM card (2)
•
The level probe interface card (1)
•
The bypass switch - the pump in bypass mode will be
in manual mode without electronics management - to
be used only in an emergency. (3)
•
Power and pulser connectors (5 & 6)
4.2.1. Installation sequence
Fix the CM20 control unit box and lay the connection
cables in accordance with the regulations in force.
Optionally bring the 2 wires from the nozzle holder
contact.
Connect the cables to the terminal block [6] as shown
in the diagram.
Meter & Tank
Gauge Display
Users Messages
Display
RFID Reader
Connect the 220v power supply to the control unit on
the 0-230Vac IN ALIM terminal block [5]
Connect the pump control to the OUT MOT 220Vac
output terminal block (max. 8 A) [5] or to the relay
contact (NA) 8-9 of the terminal block [6] (max. 24v
500mA).
Put the switch [3] in the AUTO position to activate the
control unit, in the MAN position the pump operates
manually, without being controlled by the electronics.
Wiring connectors
-
neutral/phase/earth power supply
220vac
-
earth/output 220 vac pump motor
(MAX 8A)
-
nozzle
connection). Manages a microswitch with a clean
contact to operate the pump motor outputs. With the
contact closed, the outputs (8-9 and OUT 220) are
activated. To activate it, remove the jumper JP1
-
+ 12 Vdc encoder power supply
-
0V encoder
-
pulse
-
dry contact NO (normally open;
max. 24v 500mA). The contact closes when the pump
is authorized. NC contact (normally closed) opens
when the pump is activated.
holder
contact
(optional
3
Werbung
