NBOX(B)/CNC2 Communications Node Controller Installation Instructions TG200265 Issue 2 , 20-Sep-2012 3
Installation Instructions
NBOX(B)/CNC2
4
Connect power
3.1 Installation - Mounting
(continued)
DO NOT
sWITCH ON
Shrouded plug ki
t
e N l
~
E N L
/230
version (shrouded plug kit must be used)
Terminal size 0.5 to 2.5
mm
2
(20 to 14 AWG)
/24
version
NBOX/CNC2/230 Consumption < = 7.5 VA
The 230V supply must include a dedicated 5A fuse complying
with BS1362 and a suitably rated switch in close proximity and
be clearly marked as the disconnecting device for the unit. A
5A circuit breaker with high breaking capacity may be used
as an alternative .
Mat-N-LoK
to
terminals
adaptor
(supplied)
This unit is protected to safety class 2.
The earth on this unit is NOT a protective
earth, but it is essential that an earth is fitted
for functional reasons.
38
35
01
J
E
V4
2
24 Vdc
: +24V 0v
24 Vac
: 24 Vac 0V
Earth
(ground)
Note that for the UL 24 Vac the
input power connections must
be made using 18 AWG or
larger wire rated at least 90°C.
The 24V supply must include a suitably rated switch in close
proximity and be clearly marked as the disconnecting device
for the unit
NBOX/CNC2/24 Consumption < = 7.5 VA
TX
RX
OK
DTRB
DTRA
CTSB
CTSA
Earth/ground
the bus bar
TX
RX
OK
DTRB
DTRA
CTSB
CTSA
Earth/ground
the bus bar
a b c d e