EVCO EPV4TBR Hardware manual User Manual
Page 19
Evco S.p.A.
Vtouch | Hardware manual ver. 1.01 | Code 114VTOUHWE01
page 19 of 22
Power supply:
according to the model:
-
12-24 VAC (min. 11.4 VAC, max. 27.6 VAC), 50/60 Hz, 3 VA (approximate) isolated or
15 ... 40 VDC, 3 W (approximate) isolated
-
24 VAC (min. 20.4 VAC, max. 27.6 VAC), 50/60 Hz, 3 VA (approximate) non isolated or
20 ... 40 VDC, 2 W (approximate) non isolated
supplied from a class 2 circuit.
The maximum length of the connecting cables of the power supply is 10 m (32.8 ft).
In the models with not isolated power supply, this must galvanically be isolated from the one of the
other devices connected in the network.
Protect the power supply with an UL listed or recognized fuse rated:
-
80 mA-T if the user interface is powered with 15... 40 VDC
-
250 mA-T if the user interface is powered with 12... 19 VAC
-
160 mA-T if the user interface is powered with 19... 24 VAC.
Overvoltage category:
III.
Real time clock data maintenance in
absence of power supply:
2 days will battery fully charged.
Battery charging time
2 min without interruptions (the battery is charged by the power supply of the interface).
Alarm buzzer:
incorporated.
Display:
240 x 140 pixel single colour touch-screen LCD graphic display (black with rearlighting through
white LED).
Communication ports:
2 ports:
-
1 non optoisolated CAN port
-
1 programming port.