®
**
*
SK-910R Series
RF Receivers
Manual
Compatible Transmitters:
Model
Voltage
Channels
Output
Frequency
SK-910RQ* **
11~24 VAC/VDC
1
10A Form "C" relay output
315MHz
SK-910R-4Q**
11~24 VAC/VDC
1
10A Form "C" relay output
433.92MHz
SK-910R2Q*
11~24 VAC/VDC
2
10A Form "C" relay output x2
315MHz
SK-910R2-4Q**
11~24 VAC/VDC
2
10A Form "C" relay output x2
433.92MHz
*Only 315MHz models are FCC compliant **CE compliant
315MHz
433.92MHz
Fixed Code: 68 billion codes
SK-919 Series Fixed Code
SK-939 Series Fixed Code
CODEBUMP™: 18 quintillion (1.8x1019) codes
SK-917 Series CODEBUMP
SK-937 Series CODEBUMP
For a full and up-to-date listing of compatible transmitters, visit www.seco-larm.com
SK-910RQ shown
ENFORCER RF Receivers
These RF receivers are compatible with both code-hopping and fixed-code transmitters (see pg. 1
or visit www.seco-larm.com for a complete, up-to-date listing). They can be used for a variety of
applications, such as allowing the same transmitter to arm/disarm a vehicle alarm and open/close a
garage door opener. The receivers come in one- or two-channel versions. Each channel can learn
the codes of up to 15 different transmitter buttons on a first-in, first-out basis.
Model
SK-910RQ
SK-910R-4Q
SK-910R2Q
SK-910-R2-4Q
Operating voltage
11.2~24 VAC/VDC
Current draw
8mA@12VDC standby, 30mA@12VDC per channel, LED flashing
Memory capacity
15 Transmitter button codes per channel
Output mode
Programmable 4s momentary (default), 1s momentary, toggle (ON/OFF), or validity
Output type
10A@24VDC or 120VAC Form "C" relay
Frequency
315MHz
433.92MHz
315MHz
433.92MHz
Operating temperature
-40°~167° F (-40°~75° C)
Dimensions
31/4"x211/16"x11/16" (83x68x27.5 mm)
Specifications:
Overview:
Introduction:
Antenna jumper – cut when
attaching an extended range
antenna (see pg. 4)
Power input (see specifications above)
Mode switch #1
Mode switch #2 (SK-910R2Q / SK-910R2-4Q only)
3-pin Extended Range Antenna port (see pg. 4)
LP3
LP2
LP1
Output Program Jumpers
Output type
LP1
LP2
4s Momentary
Uncut
Uncut
1s Momentary
Uncut
Cut
Toggle
Cut
Uncut
Validity
Cut
Cut
COM – CH 2 Dry relay
NC – CH 2 Dry relay
NO – CH 2 Dry relay
COM – CH 1 Dry relay
NC – CH 1 Dry relay
NO – CH 1 Dry relay
CH2 Status LED (SK-910 R2Q / SK-910R2-4Q only)
CH1 Status LED
(SK-910R2Q / SK-910R2-4Q only)
2 SECO-LARM U.S.A., Inc.
Code Learning a New Transmitter Button:
Installation Notes:
Programming Output Modes (See Table 1, below):
1. Mount out of sight in a location where it is not surrounded by metal, and where it is not exposed to the
weather or moisture. Metal will block the RF signal, resulting in a reduced range.
2. For best range, pull the antenna wire as straight and high as possible. If the receiver receives interference
from local RF activity (eg., airport or military base), the antenna wire can be folded.
IMPORTANT: DO NOT CUT THE ANTENNA WIRE
Learning a New Button Code (Channel 1)
1. Press the mode switch #1 for three seconds. The green LED will start to flash quickly.
2. While the green LED is flashing quickly, press a button on a compatible transmitter. The green LED will
flash once and then turn off to show that button was learned.
3. Repeat steps 1 and 2 to learn more buttons into channel 1.
NOTE: The green LED will flash a maximum of 15 seconds. If no transmitter button is pressed during this
time, the receiver will exit code-learning mode, and the green LED will turn off
Learning a New Button Code (Channel 2, SK-910R2Q / SK-910R2-4Q only)
The procedure is the same as for channel 1, except mode switch #2 initiates the code-learning process,
and the red LED shows status.
NOTES:
1. The receiver will only learn the code of a particular button once. Once a button’s code is learned, if you try
to code-learn that button again, whether it is for the same channel or not, the receiver will exit the code
learning mode.
2. Each channel can learn the codes of a maximum of 15 transmitter buttons. If you attempt to learn a
sixteenth button, the earliest code learned will be deleted and replaced by the new code (first-in, first out).
3. To clear all codes in the channel’s memory, press the appropriate mode switch (#1 or #2)
for three
seconds. When the LED starts flashing, press that switch again for three seconds. The LED flashes twice
to indicate that all codes associated with that channel are now deleted.
Mode Switch Operation (One per Channel):
4-Second momentary
Press the transmitter button once. The output turns on for 4 seconds, and then off.
(This is the DEFAULT mode).
1-Second momentary
Press the transmitter button once. The output turns on for 1 second, and then off.
Toggle
Press the transmitter button once, and the output turns on. Press a compatible
transmitter button again, and the output turns off.
Validity
The relay turns on for as long as the transmitter button is pressed.
Learn mode
Press and hold the channel mode switch for three seconds.
Clear memory
Press three seconds. When the appropriate LED starts flashing, press again for three
seconds to delete all previously learned codes.
Memory display
Press and immediately release the mode switch to show number of codes stored. The
appropriate LED will flash a number of times corresponding to the number of codes stored.
Table 1: To program outputs, open case and find the jumpers marked LP1 and LP2. Cut these
jumpers, if needed, as shown below:
4s Momentary
1s Momentary
Toggle
Validity
LP1
Uncut
Uncut
Cut
Cut
LP2
Uncut
Cut
Uncut
Cut
NOTE: For the 2-channel models, the mode of
both outputs is the same. In other words, you
cannot have 4-second momentary output for
channel 1 and a validity output for channel 2.
ENFORCER RF Receivers
SECO-LARM U.S.A., Inc. 3
ENFORCER RF Receivers
LED Indicators (One per Channel):
The SECO-LARM SK-91ERSD / SK-93ERSD significantly extends RF
receiver range with existing remotes. It comes with a 9ft (2.7m) cable
that easily plugs into the 3-pin antenna port located on the RF receiver.
NOTES:
Antenna range will vary greatly depending on the installation and operating environment.
To use an extended range antenna, the loop marked “LP3” on the receiver PC board must be cut.
To protect the antenna components and the RF receiver circuits, please turn off power to the RF receiver before cutting
the loop "LP3" on the PC board and before connecting or disconnecting an external antenna.
The SK-9xERSD is not weatherproof. For outdoor use, seal the case seams and connections with silicone sealant.
Extended Range Antenna:
SECO-LARM
®
U.S.A., Inc.
16842 Millikan Avenue, Irvine, CA 92606
Website: www.seco-larm.com
Phone: (949) 261-2999 | (800) 662-0800
Email: sales@seco-larm.com
®
PITSW1
Order Part# 762-091-15%
MI_SK-910RxQ_180817.docx
NOTICE: The SECO-LARM policy is one of continual development and improvement. For that reason, SECO-LARM
reserves the right to change specifications without notice. SECO-LARM is also not responsible for misprints. All trademarks
are the property of SECO-LARM U.S.A., Inc. or their respective owners. Copyright © 2018 SECO-LARM U.S.A., Inc. All
rights reserved.
WARRANTY: This SECO-LARM product is warranted against defects in material and workmanship while used in normal
service for one (1) year from the date of sale to the original customer. SECO-LARM’s obligation is limited to the repair or
replacement of any defective part if the unit is returned, transportation prepaid, to SECO-LARM. This Warranty is void if
damage is caused by or attributed to acts of God, physical or electrical misuse or abuse, neglect, repair or alteration,
improper or abnormal usage, or faulty installation, or if for any other reason SECO-LARM determines that such equipment
is not operating properly as a result of causes other than defects in material and workmanship. The sole obligation of
SECO-LARM and the purchaser’s exclusive remedy, shall be limited to the replacement or repair only, at SECO-LARM’s
option. In no event shall SECO-LARM be liable for any special, collateral, incidental, or consequential personal or property
damage of any kind to the purchaser or anyone else.
Steady ON
Senses signal from a transmitter button whose code was already learned.
Fast flash
In the code-learning mode.
One flash
A transmitter button code was learned.
Two flashes
All previously learned transmitter buttons codes were deleted.
SK-91ERSD (315MHz)
SK-93ERSD (433.92MHz)
Sample Applications:
NC
NO
COM -
+
Positive or negative output
Typical N.C. application
Typical N.O. application
Positive or negative power
output (choose NO or NC)
12VDC Receiver power input
24VAC Output driving a motor
Positive or negative power source
Power for SK-910RQ
NC
NO
COM -
+
24VAC (1) Output 24VAC (2)
Motor
24VAC (1) Input
GND
+12VDC
NC
NO
COM
-
+
12VDC Output
Power for SK-910RQ
GND
+12VDC
(+)
(–)
Power for SK-910RQ
NC
NO
COM -
+
12VDC Output
GND
+12VDC
(+)
(–)
4 SECO-LARM U.S.A., Inc.
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