ELK M1RB User Manual
Installation
1. A single M1RB Output Relay Board can be mounted
inside the M1 enclosure on the left hand side of the M1
board using the supplied ELK-SWG Circuit Board Glides.
Additional relay boards and/or expanders must be
mounted in either an ELK-SWB14 or ELK-SWB28
enclosure. Up to 8 Relay Boards/Expanders can be
mounted in an SWB14 while up to 16 can be mounted
in an SWB28.
The ELK-SWG Circuit Board Glides attach to the
enclosure at strategically placed 2-hole punch
patterns. Note that one hole in each pattern is slightly
larger than the other. The small hole is for a 6/32 type
“F” mounting screw and the large hole is for a halfmoon shape locator tab on the bottom of each glide.
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Output Relay Board
ELK-M1RB
APPLICATION:
The ELK-M1RB works with an M1 or M1G Control,
or with an M1XOV or M1XOVR Output Expander,
for converting the low current (50mA) voltage
outputs into SPDT relay outputs. When used
with an M1 Control, the M1RB also provides
voltage outputs 7 & 8, which are ordinarily not
available. Up to 2 M1RBs may be connected to
an M1XOV (voltage only) Output Expander.
2. Starting at the top left corner, loosely start a 6/32”
mounting screw in the small hole of the first 2-hole
pattern. Place the slotted edge of a board glide
under this screw, making sure that the half-moon tab
fits into the larger hole and the grooved edge is
facing down. Tighten the screw using a long
shafted screwdriver. Install a second board glide in
the 2-hole pattern located 6" below. Attach the
second board glide using the same procedures. The
grooved edge of this glide should face up.
3. Slide the M1RB Relay board into the grooves
provided by the glides. The circuit board should
slide freely. If the board is loose or too tight, simply
loosen one of the mounting screws and adjust the
glide to assure a good fit.
Wiring Connections
1. Turn Off the M1 Master Power Switch.
2. Connect one end of the 12 conductor ribbon cable
(provided) into connector J1 on the M1RB.
4. Connect the other end of the 12 conductor cable to
the connector J16 of the control. Note: If the M1RB
is being used with an M1XOVR Output Expander
the connector is marked J3. If being connected to
an M1XOV there are two connectors, J3 and J4.
J3 provides the 2nd group of 8 outputs while J4
provides the 1st group of 8 outputs.
Continued on next page....
Output Relay Board
ELK-M1RB
FEATURES:
•8 Form "C" Relays, SPDT Dry Contact
•Heavy Duty Contact Rating
•Low Current Draw.
•Great For General Purpose Switching.
•Plug-in "Removable" Terminal Blocks
•LED Status Indicators on all 8 Relays
•Twelve (12) Conductor Plug-in Wire Harness
•Mounts in Enclosure using ELK-SWG
Glides
SPECIFICATIONS:
•Diode Protection Across Relay Coil.
•Relay Contact Ratings:
7 Amps @ 28 VDC, 10 Amps @ 125 VAC *
•Wire Harness Length: 24"
•Operating Voltage: 12 Volts DC Nominal
•Current Draw: 0 mA idle, 250 mA Max.
•Size: 6" x 3.25" x .75" H
* For UL listed installations the maximum contact ratings
are 4 Amps @ 12 VDC
Features or Specifications subject to change without notice.
L530 10/05
828-397-4200 Voice
828-397-4415 Fax
http://www.elkproducts.com
email: info@elkproducts.com
PO Box 100 • Hwy. 70W • Hildebran, NC 28637 • USA
5. Connect the relay contacts N/O, COM, or N/C to the devices that are being controlled.
CAUTION: Always remember that the contacts are "dry" (no voltage) and can be used to switch both AC and DC
voltage devices. Always calculate the current draw of the devices together with the M1's total system load
before deciding to draw 12 Volts DC from the Control. This is especially true if connected to the Data Bus cabling
as an auxiliary power supply may be required at intervals along the Data Bus cabling to supplement the M1's
power supply and prevent overloading.
6. Turn the M1 Master Power Switch On.
7. Assign the functionality to the new outputs using the Rules programming from the ELK-RP Software. There is no
enrollment if the M1RB is plugged into J-16 of the main M1 Control. However, if plugged into a new Output
Expander (M1XOV or M1XOVR), that expander must be assigned an address and be be enrolled before any of
the outputs can be used. Refer to the Output Expander instructions.
N/O COM N/C
N/O COM N/C N/O COM N/C N/O COM N/C
N/O COM N/C N/O COM N/C N/O COM N/C N/O CO M N/C
7
8
OUT 9 OUT 10
OUT 11 OUT 12
OUT 13 OUT 14
OUT 15 OUT 16
Out
Neg
Out
M1RB
Outputs 7 & 8 are low current (50 mA)
12 Volt, and are only available when
connected to J-16 on an M1 Control.
Output Relay Board
8 Form C Relays
SPDT
Relay
LED
SPDT
Relay
LED
7
8
SPDT
Relay
LED
9
10
11
12
13
SPDT
Relay
LED
14
15
16
-
SPDT
LED
+
J1
Relay
SPDT
LED
Relay
LED
SPDT
Relay
LED
SPDT
Relay
The relay output numbers are relative ONLY when
connected to J-16 on an M1 Control. If connected to
an Output Expander, the numbers must be mapped
to the appropriate numbers of the expander.
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