SilentKnight SK-5280 User Manual
Trouble Outputs
ID Number
DIP Switch
SBUS Connector
4 On-board Relays
Regulated Alarm
Outputs
1/4” spacing must be maintained between
all power limited & non-power limited wiring
Relays are non-power
limited
SBUS is power limited
Control
Panel
5280
Supervised
Power Limited
SK-5280 Status Display
Module Installation
Instructions
The following instructions are a quick reference guide, refer to
the control panel installation manual for detailed system
information.
The SK-5280 Status Display module provides outputs and
control functions for remote annunciation of alarm, trouble, and
supervisories for each zone.
Note: The driver outputs are non-supervised.
Figure 2: SK-5280 Connection to the Control Panel
Mounting the 5280
Figure 1: Model 5280 Board Layout
The SK-5280 has 1 connector which has 10 outputs for alarms
and 10 outputs for trouble annunciation. These outputs are active
low. Each output can provide up to 100 mA of current, with a
total limitation of 700 mA. The module has 4 normally open nondedicated relays that can be wired to be active with any of the
outputs. The system can supervise up to 8 5280 Status Display
Modules.
Wire the SK-5280 as shown in Figure 2. Maintain a physical
separation of one-half inch or more between field wires and
connection points to prevent damage from transients.
Note: SILENCE does not affect SK-5280 outputs. To reset a SK-
5280 output, the alarm or trouble condition must be
restored.
The SK-5280 can be used to interface to LED annunciator.
The SK-5280 can be programmed to indicate alarms and trouble
status for; zones 1 - 10, zones 11 - 20, zones 21 - 30, or system
status outputs.
The SK-5280 mounts onto a metal bracket and standoffs in the
SK-5208 cabinet or into SK-2190 accessory cabinet.
Mounting the SK-5280 into
SK-5208 Cabinet
Follow these steps to properly mount the SK-5280 into the
SK-5208 cabinet:
1. Remove power from the control panel.
2. Mount the SK-5280 onto the standoffs and bracket located
in the cabinet. See Figure 3.
Figure 3: Installing the 5280 Into the 5208 Cabinet
3. Connect the SK-5280 to the SK-5208 control panel as
shown in Figure 2.
4. Set the ID number. See the 5208 Installation Manual (PN
151204) for information on setting ID numbers.
5. Reconnect power to the control panel.
P/N 151238
SK-5280 Status Display Module Installation Instructions
Mounting
Holes
Programmable
Relays
2 kΩ
Graphic Annunciator
Mounting the SK-5280 into the
SK-2190 Accessory Cabinet
Follow these steps to properly mount the SK-5280 into the
SK-2190 cabinet:
1. Mount the remote cabinet using the cabinet mounting holes.
See Figure 4.
2. Remove power from the control panel.
3. Mount the SK-5280 onto the standoffs and bracket located
in the cabinet. See Figure 4.
Wiring LEDs to Outputs
The outputs (A1-A10 and T1-T10) can be used to operate LEDs
used in a remote annunciator (see Figure 6). Outputs A1-A10 are
alarm outputs for the zones corresponding to those outputs. For
example, if the 5280 is programmed to output for zones 11-20,
then outputs A1-A10 will correspond with zones 11 through 20.
Outputs T1-T10 are trouble outputs for the zones corresponding
to those outputs. for example, if the 5280 is programmed to
output for zones 21-30, then outputs T1-T10 will correspond
with zones 21-30.
Figure 4: Model SK-5280 Remote Installation
4. Connect the SK-5280 to the SK-5208 control panel as
shown in Figure 2.
5. Set the ID number. See the 5208 Installation Manual (PN
151204) for information on setting ID numbers.
6. Reconnect power to the control panel.
Wiring Relays
The four on-board relays can be triggered by the active low
outputs. For example, the alarm outputs can all be wired to relay
3 and the trouble relays can be wired to relay 4 (see Figure 5).
Figure 5: Relay Wiring on the SK-5280
Note: Figure 5 uses A7 and T7 to activate relays 3 and 4 as an
example. However, any of the outputs can be used to trip
any of the relays.
Figure 6: LED Wiring on the SK-5280
Specifications
Parameter Rating
Operating Voltage: 27.4 VDC max.
Current Draw: Standby: 10 mA
Alarm: 80 mA
Operating Temp: 32° to 120° F
(0° to 49° C)
Relay Rating: 2.5 A @ 30VDC/120VAC
Outputs: 100 mA each, 700 mA
max.
2 151238 Rev C
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