Module. EM-1SRI Datasheet

EM-1SRI Datasheet PDF

Part EM-1SRI
Description Supervised Control Module
Feature INSTALLATION AND MAINTENANCE INSTRUCTIONS I56-2016-004 3825 Ohio Avenue, St. Ch.
Manufacture Systemsensor
Download EM-1SRI Datasheet

EM-1SRI Supervised Control Module
3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
Normal Operating Voltage:
Standby Current:
Alarm Current:
Maximum NAC Circuit Line Loss:
Power Supply Monitor
Maximum (Speakers):
Maximum (NAC):
Trouble Range:
Max NAC Current Rating:
Temperature Range:
15 to 30 VDC
630 µA max. average (continuous broadcasts)
2 mA (red LED on)
70.7 V RMS. 50 W
Regulated 24VDC
0 to 2 VDC
For Class B wiring system, 3A
For Class A wiring system, 2A
32°F to 120°F (0°C to 49°C)
10 to 93% RH Noncondensing
4.17˝ H x 4.26˝ W x 1.22˝ D; (106 mm H x 108 mm W x 31 mm D)
39 kΩ End of Line Resistor Part # A2263-00 (included)
Wall cover plate (included)
SMB500 Surface Mount Electrical Box
A2143-60 Bypass capacitor
EA-CB Control Module Barrier
This information is included as a quick reference installa-
tion guide. Refer to the appropriate control panel installa-
tion manual for detailed system information. If the modules
will be installed in an existing operational system, inform
the operator and local authority that the system will be
temporarily out of service.
NOTICE: This manual should be left with the owner/user
of this equipment.
Control Module, Model EM-1SRI, is used to switch an ex-
ternal power supply or audio amplifier to notification ap-
pliances. In addition to switching the external power, the
device will monitor the wiring (while external power is
not switched to the auxiliary devices) to the auxiliary de-
vice for open and short circuits via an end of line resistor.
This module is capable of Class A or Class B operation.
The module also has on-board short circuit isolators to pre-
vent shorts on the signaling line circuit from disabling more
than one device on the intelligent loop.
The control module will also have the capability to moni-
tor the external power input for loss of power (DC volt-
age supplies only). This feature can be disabled through
device configuration programming. If the external power
is switched to the auxiliary devices and there is a loss of
the DC supply, the control module has the capability of
running an algorithm in which the device will switch back
to monitor mode and check the line for short circuits. If
no short exists, the device will reapply the external power.
This algorithm can be enabled when using a DC external
supply that is guaranteed to be above 9 volts.
To ensure proper operation, this module shall be connected
to a listed compatible control panel.
The module mounts directly to 4˝ square electrical boxes.
The box must have a minimum depth of 21/8˝. Modules
must be mounted with the arrow facing upward for proper
operation of the IR configuration tool (model no. EA-CT).
Surface mounted electrical boxes (SMB500) are available
from System Sensor.
NOTE: All wiring must conform to applicable local codes,
ordinances, and regulations.
1. Install module wiring in accordance with the job draw-
ings and appropriate wiring diagrams. Optional EA-CB
may be required to separate power limited and non
power limited wiring in the electrical box (see Figure
1B). 2.
For new installations use the enclosed 39
kΩ EOL resistor. For retrofit applications where the ex-
isting 47 kΩ cannot be easily replaced, it may be left in
place without loss of performance.
3. Set the address on the module per job drawings using
the IR configuration tool (model no. EA-CT).
4. Secure module to electrical box (supplied by installer).
1 I56-2016-004

Auto Addressing
wwEwc.lDipastaeShSeeerti4eUs.cdoemvices are capable of supporting auto ad-
dressing, if the fire alarm control panel is designed to do
so. In auto addressing, the control panel, through the use
of each device’s on-board isolators, can automatically as-
sign device addresses. In order to control which devices
are addressed first in wiring configurations with branches,
a branch marker can be set at a particular device. A branch
marker is an electronic value from 0 to 255 stored in the
device memory. The branch markers are set with the IR
configuration tool, EA-CT.
The following resistance values can be used to test the
module after installation:
Short Circuit: <50Ω
Open Circuit: >1MΩ
Ground Fault: <50Ω
All relay switch contacts are shipped in the standby state
(open) state, but may have transferred to the activated
(closed) state during shipping. To ensure that the switch
contacts are in their correct state, modules must be made
to communicate with the panel before connecting circuits
controlled by the module.
Terminal Definitions
T1 (+) SLC in/out
T2 (–) SLC in/out
T3 (+) SLC in/out
T4 (–) SLC in/out
T7 (–) external power line in/out
T8 (+) external power line in/out
Figure 1A: Supervised Control Module
T9 (–) external power line in/out
T10 (+) external power line in/out
T11 NAC (+) A/B
T12 NAC (–) A/B
T13 NAC (–) Class A
T14 NAC (+) Class A
Figure 1B: Module mounting with barrier (model no. EA-CB)
2 I56-2016-004

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