Download SILBUS Termination Unit Use

7 TERMINATIONS AND CONNECTIONS
All connections to the termination unit are via cage-clamp terminals around the perimeter
and near the front of the DIN rail mounting enclosure, these terminals can accommodate up
to 4mm2 (11awg) conductors. There are seven possible connections to the termination unit;
these are shown in the following tables and diagrams:
TERMINAL #
1
3
6
7
8
11
14
NAME
SIGNAL
COMMON
EARTH
EARTH
LANYARD
MONITOR
COMMON
TERMINATION UNIT CONNECTION DETAILS
WIRE COLOUR
FUNCTION
RED
SILBUS SIGNAL CONTROL PANEL
BLACK
SILBUS COMMON CONTROL PANEL
GREEN/YELLOW
PROTECTIVE EARTH
GREEN/YELLOW
PROTECTIVE EARTH
YELLOW
RED
BLACK
-BEG / -END
-BEG
-BEG
-BEG
-BEG
-BEG1
-BEG -END
-BEG -END
NOTE 1 - FITTED TO SILBUS-OAS1-END BUT NOT USED IN TAIL END APPLICATIONS
Table 2 Termination unit connection details
1 SIGNAL
LANYARD 8
SIGNAL (MONITOR) 11
MONITOR 11
TERMINATION UNIT
TYPE SILBUS-OAS1-BEG
3 COMMON
TERMINATION UNIT
TYPE SILBUS-OAS1-END
COMMON 14
COMMON 14
6 EARTH1
7 EARTH2
Figure 3 SILBUS-OAS1-XXX terminal diagram
SIG
1 SIGNAL
LANYARD 8
MONITOR 11
TO CHANNEL
GENERATOR
LANYARD (NOTE1)
MONITOR (SIGNAL)
TO FIELD
NETWORK
TERMINATION UNIT
TYPE SILBUS-OAS1-BEG
COM
3 COMMON
COMMON 14
SIGNAL (MONITOR) 11
SIGNAL
FROM FIELD
NETWORK
TERMINATION UNIT
TYPE SILBUS-OAS1-END
COMMON
COMMON 14
COMMON
6 EARTH1
7 EARTH2
NOTE 1 LANYARD ONLY REQUIRED IN THREE WIRE SYSTEMS
EARTH
EARTH
Figure 4 Typical connection diagrams
SILBUS TERMINATION UNIT
TYPE SILBUS-OAS1 USER'S MANUAL
9 OF 10
120-339-12
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