PEAK® OEM 32 24 Volt SMART Equipment Controller Installation Instructions
7
FC bus terminal block
The FC bus terminal block is a blue, removable, 4-terminal plug that fits into a board-mounted jack. Wire the
removable FC bus terminal block plugs on the controller on the top row of the stacked connector, and other field
controllers in a daisy-chain configuration using 3-wire twisted, shielded cable, as shown in Figure 6. See Table 7
for
more information.
Figure 6: FC bus terminal block wiring
Note:
The FC bus shield (SHD) terminal is isolated. You can use the FC bus SHD terminal to daisy chain the
shields for FC bus wiring.
SA bus terminal block
The SA bus terminal block is a brown, removable, 4-terminal plug that fits into a board-mounted jack.
Wire the removable SA bus terminal block plugs on the lower port of the dual stacked connector to the controller,
and other SA bus devices in a daisy-chain configuration using 4-wire twisted, shielded cable as shown in Figure 7.
See Table 7 for more information.
Figure 7: SA bus terminal block wiring
Note:
The SA BUS PWR terminal supplies 15 VDC. You can use the PWR terminal to connect (daisy chain) the
15 VDC power leads on the SA bus.
Stranded 3-Wire Twisted Shielded Cable
Isolated Shield
Connection
Terminal
+
_
CO
M
SH
D
To Next
Device on
the FC Bus
Segment
FC Bus
Terminal
Block Plugs
+
_
CO
M
SH
D
Terminating Device
on FC Bus Segment
To Next
Device on
the FC Bus
Segment
Daisy Chained Device
on FC Bus Segment
Stranded, 4-Wire (2 Twisted Pair) Shielded Cable
(One twisted pair is the and leads.
+
-
The second pair is COM and PWR.)
Cable Shield
Connection
To Next
Device on
the SA Bus
F
IG
:s
a_b
us
_t
er
m
s
SA Bus
Terminal
Block Plugs
Terminating Device
on SA Bus
Daisy Chained Device
on SA Bus
To Next
Device on
the SA Bus
+
CO
M
PW
R
+
CO
M
PW
R