SENSseries LB 480
BERTHOLD TECHNOLOGIES GmbH & Co. KG
1 – 45
Volume 1 5 Explosion Protection
1
5.7.4.2 Terminal Compartment Master Ex-e / Ex-i
Power Supply
Do not connect any wires to the terminals "n.c.", as they are con-
nected to the chassis ground.
Digital interface RS 485
The OC (open collector) and the current output can only be con-
nected to an intrinsically safe repeater. Otherwise, all circuits are no
longer intrinsically safe!
Only a passive component may be connected as Pt100.
Term inal Labeling
Type DC supply
LB 480 - .. - .. - 11
1 Supply + Ue = 24 V
DC
,
max. 12 W
2 Supply -
3 Supply + To forward the supply to
the next slave
4 Supply -
Type AC supply
LB 480- .. - .. - 12
1 Supply L Ue = 100 ... 240 V
AC
,
50/60 Hz, max. 12 V
AC
2 Supply N
3 Supply + Do not use to loop
through the supply!
4 Supply -
Term inal Labeling
5 RS 485 A
6 RS 485 B
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