9
4.7 Encrypted Module Network
The Protégé® SE Integrated System Controller incorporates technically advanced encrypted
RS-485
communications technology. The isolated communications interface offers full galvanic isolation to
prevent ground loop noise and cross phase ground differential. The communication offers superior
interference immunity. Connection of the communications should be performed according to the
following diagram.
Figure 8 - Standard Communication Connection
4.6 Status Indicator
The Status Output will activate according to the status indicator on the Protégé® SE
Integrated
System Controller and can be used to provide signalling or indication of the Protégé® SE Integrated
System Controller status outside the enclosure. The following diagrams show the connection of an
LED indicator to the Status Output.
Figure 7 - External Status LED Connection
A
C
A
C
B+
B-
ST
TP
TP
1K5 OHM
LED
+A
UX
-
Z1
COM
CO
M
Z2
Z3
Z4
NA
N+
N-
NB
Networt communica�ons input
from the Protégé® SE Integrated
System Controller or previous
Protégé® module
