IOM4710 Input/Output Module Installation Instructions
4
3.
Tighten the cover screw to secure the cover to the
base.
Wiring
Refer to the
MS/TP Communications Bus Technical
Bulletin (LIT-12011034)
for more information on
MS/TP
devices.
To wire the IOM controller:
1.
Terminate wiring per engineering drawings.
2.
If the IOM is connected to the FC Bus of a Network
Automation Engine (NAE) or Network Control
Engine (NCE), wire the FC Bus in a daisy chain
(Figure 6).
3.
If the IOM is connected to the SA Bus of an NCE or
FEC, wire the SA Bus in a daisy chain (Figure 7).
Note:
The SA/FC Bus Port (RJ-12, 6-pin, modular
connector) provides 15 VDC on two of its pins,
which is used to power the MS-BTCVT (Figure 8).
Note:
If the IOM controller is at one end of the SA
Bus daisy chain, set the End-of-Line (EOL) switch
to ON.
4.
Connect power to the IOM controller.
5.
Download and commission the IOM controller. See
the
section.
SA/FC Bus Port
The SA/FC Bus port on the front of the IOM is an
RJ-12, 6-position modular jack that provides a
connection for the Wireless Commissioning Converter.
See Table 1 for more information. The SA/FC Bus Port
pin assignment is shown in (Figure 8).
IMPORTANT:
Do not connect 24 VAC supply
power to the IOM controller before finishing wiring
and checking all wiring connections. Short circuits or
improperly connected wires may result in permanent
damage to the equipment.
IMPORTANT:
User copper conductors only. Make
all wiring in accordance with local, national, and
regional regulations. The IOM controller is a
low-voltage (<30 VAC) device. Do not exceed the
IOM controller electrical ratings.
IMPORTANT:
Prevent any static electric discharge
to the IOM controller. Static electric discharge can
damage the IOM controller and void any warranties.
Figure 5: Attaching the Cover
SA BUS
STAT
C
O
M
+
–
+
1
5
V
O
U
T
8
O
C
O
M
8
O
U
T
9
O
C
O
M
9
O
U
T
4
O
C
O
M
4
O
U
T
5
O
C
O
M
5
O
U
T
6
O
C
O
M
6
O
U
T
7
O
C
O
M
7
UNIVERSAL
F
IG
:I
O
M
_
cv
r_
a
tt
ch
Hinge
Slots
Hinge
Tabs
Cover
Screw
Figure 6: FC Bus Terminal Block Wiring
Stranded 3-Wire Twisted Shielded Cable
Isolated Shield
Connection
Terminal
+
_
CO
M
SH
L
D
To Next
Device on
the FC Bus
Segment
FC Bus
Terminal
Block Plugs
F
IG
: f
c_
bus
_t
er
m
s
+
_
CO
M
SH
L
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 SA PWR.)
+
-
Cable Shield
Connection
To Next
Device on
the SA Bus
F
IG
:s
a_b
us
_
te
rm
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
SA
PW
R
+
CO
M
SA
PW
R
Figure 7: SA Bus Terminal Block Wiring
