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WIRING
NOTE: All wiring must conform to applicable local codes, ordi-
nances, and regulations.
1.
Install module wiring in accordance with the job drawings
and appropriate wiring diagrams.
2.
All wiring to the MI-SC6 is done via terminal blocks. In order
to properly make electrical connections strip approximately 5
mm of insulation from the end of wire, sliding the bare end of
the wire under the clamping plate screw.
3.
Set the address on the modules per the job drawing. Use the
rotary code switches to set the address of the first module
(between 01 and 94).
The remaining modules are automatically assigned to the next
five higher addresses. For example, if the base address switch is
set to 28, the next five modules will be addressed to 29, 30, 31,
32, and 33.
DO NOT set the lowest address above 94, as the other modules will
be assigned to nonexistent addresses.
4.
A shunt is provided to disable a maximum of three unused
modules (see Figure 1). Modules are disabled from the high-
est address and work downward. If two modules are dis-
abled, the lowest four addresses will be functional, while the
highest two will be disabled. For example, if the shunt for Ad-
dress Disable is placed on "two" and the base address switch
is set to 28, the modules will be assigned to 28, 29, 30 and 31,
disabling the higher two positions.
5.
There is a short circuit protection option for each address.
The board is shipped with short circuit protection disabled for
each address represented by six large shunts on the "Disable
Short Circuit Protection" area. To enable short circuit protec-
tion for an address, remove the corresponding shunts from
the "Disable Short Circuit Protection" area. When enabled,
the module will not switch power supply if a short circuit
condition exists on a Monitored Output Circuit.
NOTE: Short circuit protection may only be enabled if power sup-
ply monitoring is enabled.
NOTE: The synchronization feature is currently not supported.
Figure 1:
TOP VIEW:
ENABLE POWER SUPPLY MONITOR
DISABLE SHORT CIRCUIT PROTECTION
SIDE VIEW:
6.
There is a power supply monitor that must be enabled to fa-
cilitate short circuit protection (see Figure 1). The module is
shipped with power supply monitoring enabled represented
by six large shunts on the pins of the "Enable Power Supply
Monitor" area.
M450-01-00
SYNC GENERATOR
FOR FUTURE USE
SLC WIRING TERMINAL
NOTIFICATION APPLIANCE/
POWER SUPPLY TERMINAL
NOTE: Monitored Output Circuit (M.O.C) refers to Notification
Appliance (NAC) on the PCB Legend.
NOTE: Place unused shunts on single pin to store on board for
future use.
NOTE: SLC wiring is the top terminal block, notification appli-
ance/power supply is the bottom for terminal T0.
WIRING NOTES
• All wiring must conform to applicable local code, ordinances
or regulations.
• For easier wiring, assign all power-limited wiring to one side of
the enclosure rather than alternating with non power-limited.
Monitored Output Circuit Wiring and Supervision
Typical applications (figures 2 and 3) connect the positive ter-
minal of the Monitored Output Circuit to the monitored output
circuit+ terminal and the negative device terminal to the adja-
cent monitored output circuit- terminal. Connect one (for each
monitored output circuit) of the supplied EOL resistors across the
monitored output circuit+ and monitored output circuit- wires, at
the ends farthest away from the monitored output circuit terminal
of the MI-SC6.
TABLE 2
Terminal
Base address
Base address + 1
Base address + 2
Base address + 3
Base address + 4
Base address + 5
Table 2 shows terminal pin assignment to base addresses
Power Supply Wiring and Supervision
Table 3 gives an overview of how the power connectors, T0–T5
and T10–T15, are interconnected by the circuit board (PCB). The
external supply connection points, at T0–T5, are marked by PS–
and PS+ on the PCB legend. Pin 1 is indicated by a dot next to
T10–T16. The odd pins, on T10–T16, always connect to PS– pins
(e.g. PS–, of the +0 monitored output circuit, is connected to
T10–1 and T11–1). The even pins always connect to PS+ pins
(e.g. PS+, of the +5 monitored output circuit, is connected to
T15-4 and T16-2).
TABLE 3
-PS
T0
T10 pin 1
T1
T11 pin 3
T2
T12 pin 3
T3
T13 pin 3
T4
T14 pin 3
T5
T15 pin 3
C0204-00
All power supplies, external to the cabinet (in which the MI-SC6
is housed), should be connected to T0–T5 which are suitable con-
nectors for field wiring. The 1 x 4 terminal blocks, shown on page
1, should be used to make these connections.
All Monitored Output Circuits can be wired to be powered by
separate external supplies (figure 2 is typical), or a single supply
2
NAC +
T0
T1
T2
T3
T4
T5
-PS
PS+
T10 pin 1
T10 pin 2
T10 pin 1
T10 pin 4
T10 pin 1
T10 pin 4
T10 pin 1
T10 pin 4
T10 pin 1
T10 pin 4
T10 pin 1
T10 pin 4
NAC -
T0
T1
T2
T3
T4
T5
PS+
T10 pin 2
T10 pin 2
T10 pin 2
T10 pin 2
T10 pin 2
T10 pin 2
I56-2956-000
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