SS-460-002 1 I56-3852-003
M500R Relay Control Module
INSTALLATION AND MAINTENANCE INSTRUCTIONS
3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
www.systemsensor.com
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 M500R Relay Control Module is intended for use in intelligent, two-wire
systems, where the individual address of each module is selected using the
built-in rotary decade switches. It allows a compatible control panel to switch
discrete contacts by code command. The relay contains two isolated sets of
Form-C contacts, which operate as a DPDT switch and are rated in accordance
with the table in the manual. Circuit connections to the relay contacts are
not supervised by the module. The module also has a panel controlled LED
indicator. This module can be used to replace an M500C module that has been
configured for Form-C operation.
COMPATIBILITY REQUIREMENTS
To ensure proper operation, these modules shall be connected to listed com-
patible system control panels only.
MOUNTING
The M500R mounts directly to 4˝ square electrical boxes (see Figure 2A). The
box must have a minimum depth of 2
1
/8˝. Surface mounted electrical boxes
(SMB500) are available from System Sensor. The module can also mount to
the DNR(W) duct housing.
SPECIFICATIONS
Normal Operating Voltage: 15 to 32 VDC
Maximum Current Draw: 6.5mA (LED on)
Average Operating Current: 300 µA, 1 communication every 5 seconds
EOL Resistance: Not used
Temperature Range: 32˚F to 120˚F (0˚C to 49˚C)
Humidity: 10% to 93% Non-condensing
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; CB500 Barrier
I56-3852-003
RELAY CONTACT RATINGS:
WIRING
NOTE: All wiring must conform to applicable local codes, ordinances, and reg-
ulations. When using control modules in nonpower limited applications, the
System Sensor CB500 Module Barrier must be used to meet UL requirements
for the separation of power-limited and nonpower-limited terminals and wir-
ing. The barrier must be inserted into a 4˝x 4˝x 2
1
/8˝ junction box, and the
control module must be placed into the barrier and attached to the junction
box (Figure 2A). The power-limited wiring must be placed into the isolated
quadrant of the module barrier (Figure 2B).
1. Install module wiring in accordance with the job draw
ings and appropriate 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 2A.
Wire should be stripped to the appropriate length (recommended strip length
is
1
/4˝ to
3
/8˝. Exposed conductor should be secured under the clamping plate
and should not protrude beyond the terminal block area. Caution: Do not loop
wire under terminals. Break wire run to provide supervision of connections.
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
(2 pages)
(8 pages)
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