Ingersoll Rand ENL 10 Instruciones De Instalación Y De Servicio página 13

Terminal assignment supply voltage (operating voltage)
X 1
X 2
1 2 1 2
Terminal assignment low voltage (operating voltage)
X 1 X 2
1
2 1 2
Terminal assignment of the potential-free contact and of the external test
X 1 X 2
1 2 1 2
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10. ELECTRICAL INSTALLATION
•
X 3
•
3 1 2
L = Outer conductor
N = Neutral conductor
•
X 3
•
1 2
3
Alarm/potential-free:
X 3
•
3 1 2
•
•
n.c. - com. Closed in the event
of malfunction or power failure
(closed-current principle).
n.o. - com. Closed during
normal operation.
The contacts X2.1 - 2. are
potential-free.
External test/remote control:
•
•
Contacts connected = test
active = discharge
Contacts open = test inactive
The contacts X .1 -.2 are not
potential-free.
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X 1.1 L mains connection
X 1.2 N mains connection
X 1.1 Power supply
X 1.2 Power supply
X 2.1 n.o.
X 2.2 com.
X 2. n.c.
X .1 externer Test (IN1)
X .2 GND
EN
1