SK-460-019 1 I56-3735-000
SK-RELAYMON-2 Multiple Module with
Two Relay Outputs and Two Monitor Inputs
INSTALLATION AND MAINTENANCE INSTRUCTIONS
BEFORE INSTALLING
This information is included as a quick reference installation guide. Refer to
the control panel installation manual for detailed system information. If the
modules will be installed in an existing operational system, inform the opera-
tor and local authority that the system will be temporarily out of service. Dis-
connect power to the control panel before installing the modules.
NOTICE: This manual should be left with the owner/user of this equipment.
GENERAL DESCRIPTION
The SK-RELAYMON-2 multi output-input module is intended for use in in-
telligent, two-wire systems, where the individual address of each module is
selected using the built-in rotary decade switches. It is capable of replacing
two individual relay control modules and two Class B monitor modules. Each
relay output is intended for Form C switching applications which do not re-
quire wiring supervision for the load circuit. Each monitor input is intended
to interface between a fire alarm control panel and one or more devices. Each
relay output has its own green LED. Each monitored input has its own bi-
color LED, which can be controlled by the control panel.
The module address is selected by means of rotary decade address switches
(See Figure 1). These can be accessed from the front of the module. A screw-
driver should be used to rotate the wheels to select the desired addresses.
Each module can use up to four (4) addresses. The base address selected via
the rotary address switches will be assigned to relay output #1 from 00 to 156.
The module will automatically assign the next three addresses as appropriate
to monitored input #1, relay output #2, and monitored input #2.
SPECIFICATIONS
Normal Operating Voltage: 15 to 32 VDC
Maximum Current Draw: 24 mA (4 LEDs on)
Average Operating Current: 1.3 mA, 1 communication every 5 seconds
Temperature Range: 32˚F to 120˚F (0˚C to 49˚C)
Humidity: 10% to 93% Non-condensing
Addressing: Module base address=Relay Output #1, Module base address +1=Monitor Input #1,
Module base address +2=Relay Output #2, Module base address +3=Monitor Input #2
Dimensions: 4.675˝ H x 4.275˝ W x 1.4˝ D (Mounts to a 4˝ square by 2
1
/8˝ deep box.)
Accessories: SMB500 Electrical Box; EA-CB Barrier
Relay Contact Rating: 3A at 30 VDC
EOL Resistance: 47K Ohms (monitor iputs only)
Maximum IDC wiring resistance: 1500 Ohms
Maximum IDC Voltage: 10.2 Volts
Maximum IDC Current: 450µA
I56-3735-000
RELAY CONTACT RATINGS:
CURRENT RATING MAXIMUM VOLTAGE LOAD DESCRIPTION APPLICATION
2 A 25 VAC PF = 0.35 Non-coded
3 A 30 VDC Resistive Non-coded
2 A 30 VDC Resistive Coded
0.46 A 30 VDC (L/R = 20ms) Non-coded
0.7 A 70.7 VAC PF = 0.35 Non-coded
0.9 A 125 VDC Resistive Non-coded
0.5 A 125 VAC PF = 0.75 Non-coded
0.3 A 125 VAC PF = 0.35 Non-coded
If relay output #2 or monitored input #2 are not used, please switch the cor-
responding DIP switch to the ‘OFF’ position with the screwdriver (See Figure
1A). These two addresses will then be free to be used for other devices on
the loop. NOTE: If relay output #2 is disabled and monitored input #2 is
enabled, the address for monitored input #2 will be module base address +3.
Module base address +2 (reserved for relay output #2) will then be open for
other devices.
COMPATIBILITY REQUIREMENTS
To ensure proper operation, these modules shall be connected to listed com-
patible system control panels only.
WIRING
NOTE: All wiring must conform to applicable local codes, ordinances, and
regulations.
1. Install module wiring in accordance with the job drawings and appropri-
ate wiring diagrams.
2. Set the address on the module per job drawings.
3. Secure module to electrical box (supplied by installer), as shown in
Figure 2.
12 Clintonville Road, Northford, CT 06472
203.484.7161; Fax: 203.484.7118
www.silentknight.com
(2 pages)
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