Remote Control Technology Short Range Wireless Switch System 1 Operating instructions

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Short Range Wireless Switch System 1
Installation and Operation Guide
Introduction .....................................................................................................................2
Before Installation ...........................................................................................................2
Receiver Installation........................................................................................................3
Transmitter Installation....................................................................................................4
Programming...................................................................................................................5
Multi-transmitter Programming ....................................................................................6
Multi-receiver Programming.........................................................................................6
Operation ........................................................................................................................7
Receiver Operation Modes..........................................................................................7
Transmitter Operation Modes......................................................................................8
Optimizing Your Wireless Switch System........................................................................9
SRWSS 1 Installation and Operation Guide ver. 5 Published 09/24/08 1

Introduction
Thank you for choosing Remote Control Technology’s Short Range Wireless Switch
System 1 (SRWSS 1). This versatile device has numerous practical applications and
will surely become a mainstay in your business and production structure. This guide will
show you how to install and customize your system to meet your needs.
This system consists of:
• 1 wireless radio transmitter
• 1 wireless radio receiver
• 2 plastic NEMA 4X enclosures with built-in power supplies
• 2 sets of wall mounting brackets included with the enclosures
• 2 42” high-gain antennas
• 2 right angle mounting brackets
• 2 lightning arrestors
Before Installation
• Remote Control Technology recommends that you have your new wireless
switch system installed by a professional electrician.
• Be sure to install the receiver and transmitter at least 20-40 feet away from any
other device that would cause interference such as variable frequency drives,
large power transformers, and other radio equipment.
• Keep AC and DC wiring in separate bundles.
• Use a multi-conductor shielded cable to connect any devices.
• Provide a good earth ground to the receiver and transmitter power supply.
• Locate the receiver and transmitter antennas away from any device that would
cause interference.
• Be sure to bench test the system before installation.
To Test: Separate the transmitter and receiver by at least 20ft. Do not install the
receiver antenna while testing. Never transmit without attaching the transmitter
antenna.
SRWSS 1 Installation and Operation Guide ver. 5 Published 09/24/08 2

Receiver Installation
1. Connect one side of the device to be switched to the common (COM) contact of
the terminal block. The other side is connected to the normally open (NO) contact
or the normally closed (NC) contact.
2. Attach the antenna to the antenna mount assembly. The lightning arrestor is
shipped connected to the antenna mount. Do not disassemble the antenna
mount or the lightning arrestor.
3. Connect the antenna assembly to the coaxial cable provided and connect the
cable to the BNC connector on the top of receiver enclosure.
Note: Do not loop excess coaxial cable into a coil. This will cause a radio
frequency choke and reduce your signal range. Lay excess cable in a straight
line or loosely route it back and forth in an "S" configuration.
4. Affix the wall mounting brackets included with the system to the back of the
enclosure and mount the enclosure to a wall, pole, or another enclosure.
5. Connect 110–220 VAC power to the 12 VDC power supply. Alternatively,
connect a 12 VDC power source directly to the supply terminals marked “–“ and
“+” on the receiver.
Caution: Check all wiring connections before applying power. Failure to do so
can result in serious damage to your product.
Figure 2. SRWSS 1 Receiver Wiring
Figure 1. SRWSS 1 Receiver Board
SRWSS 1 Installation and Operation Guide ver. 5 Published 09/24/08 3

Transmitter Installation
1. Connect a dry contact closure such as a switch to the terminal block.
2. Attach the antenna to the antenna mount assembly. The lightning arrestor is
shipped connected to the antenna mount. Do not disassemble the antenna
mount or the lightning arrestor.
3. Connect the antenna mount assembly to the coaxial cable provided, and connect
the cable to the BNC connector on the top of transmitter enclosure.
Note: Do not loop excess coaxial cable into a coil. This will cause a radio
frequency choke and reduce your signal range. Lay excess cable in a straight
line or loosely route it back and forth in an "S" configuration.
4. Affix the wall mounting brackets included with the system to the back of the
enclosure and mount the enclosure to a wall, pole, or another enclosure.
5. Connect a 110-220 VAC power source to the built-in power supply. Alternatively,
connect a 12 VDC power source directly to the transmitter
Caution: Check all wiring connections before applying power. Failure to do so
can result in serious damage to your product.
Figure 3. SRWSS 1 Transmitter Board Figure 4. Transmitter Wiring Diagram
SRWSS 1 Installation and Operation Guide ver. 5 Published 09/24/08 4

Programming
The SRWSS 1 receiver and transmitter are shipped pre-programmed to communicate
with each other, which allows them to be installed and used as soon as they have been
received. However, there are situations where it may be necessary to reprogram the
system which are generally limited to the addition of more receivers or transmitters to an
existing system.
To program the SRWSS 1:
1. Remove the blue inside covers of the receiver and transmitter to reveal their
coding sockets. Refer to Figure 1 on page 3 to find the receiver coding sockets
and Figure 3 on page 4 to find the transmitter coding sockets.
2. Connect the 110-220 VAC power to each device’s power supply. Alternatively,
connect a 12 VDC power source directly to the devices.
3. If a new security code is needed, momentarily short the code change pins
marked by the “CC” symbol using either the jumper found on one of the coding
pins or a flat-bladed screwdriver. Refer to Figure 1 on page 3 to locate the code
change pins.
4. Connect the link cable to the coding sockets of the receiver and transmitter. The
red LED of the transmitter should glow steadily.
5. Close the input terminal on the transmitter for two seconds to program the
transmitter. The red LED on the transmitter should blink twice and then shut off,
indicating a successful code transfer.
6. Remove the link cable from the receiver and the transmitter.
7. Select the receiver and transmitter operation modes (see Operation below).
8. Disconnect power from the receiver and transmitter and replace the receiver and
transmitter covers.
SRWSS 1 Installation and Operation Guide ver. 5 Published 09/24/08 5

Multi-transmitter Programming
A SRWSS 1 receiver can be controlled by multiple transmitters. Configuring the
receiver to accept commands from multiple transmitters is useful for applications such
as alarms where multiple transmitters connected to sensor devices can send signals to
a single receiver that is connected to an alarm system.
To program multiple transmitters to control one receiver:
1. Apply power to the SRWSS 1 receiver as shown in Receiver Installation and
apply power to the receiver.
2. To randomly generate a new receiver code, momentarily short the code change
pins marked by the “CC” symbol. Refer to Figure 1 on page 3 to locate the code
change pins.
3. Follow steps 4 and 5 of Programming for each transmitter to be installed.
4. Using the DIP switch on the receiver, select the mode of operation for the outputs
(see Receiver Operation Modes).
Multi-receiver Programming
In the same way that one SRWSS 1 receiver can receive commands from multiple
transmitters, multiple receivers can be controlled by one transmitter. This is useful in
applications such as pump control where one transmitter can control multiple pumps
simultaneously.
To program one transmitter to control multiple receivers:
1. Apply power to the receivers and transmitter as shown in Receiver Installation
and Transmitter Installation.
2. Short the two code change pins marked with the symbol “CC” on each receiver
by sliding the jumper that comes with each receiver over the pins. Refer to
Figure 1 on page 3 to locate the code change pins. Maintain all shorts until
programming for all receivers is complete.
3. Connect the transmitter to a receiver using the red link cable. The transmitter
LED will not illuminate when the link cable is installed.
4. Close the input on the transmitter for two seconds. The LED will blink rapidly
when the input is closed to program the receiver.
5. Disconnect the transmitter from the receiver and repeat step 4 for each receiver
being installed.
SRWSS 1 Installation and Operation Guide ver. 5 Published 09/24/08 6

Operation
The Short Range Wireless Switch System 1 (SRWSS 1) 1-Watt system is suitable for
applications where shorter ranges (up to ½ mile) and simple wireless switching are
needed. Operation is simple; connect a switch, relay, or any other device with a dry
contact closure to the transmitter input. When the contact is closed, the transmitter will
immediately transmit to the receiver, changing the state of the receiver output. The
output relay built in to the receiver is a SPDT Class C relay rated for 5 amps @ 250
VAC with normally open (NO), normally closed (NC), and common (C) contacts.
Receiver Operation Modes
The receiver has eight modes that control how the outputs function. These modes are
selected using the four-position DIP switch on the receiver. All time durations for each
operating mode can be adjusted using the trimpot. Turning the trimpot clockwise
increases time durations and turning it counter-clockwise decreases the duration. Refer
to Figure 1 on page 3 to find the trimpot on the receiver. Table 1 below lists and
describes each operation mode. The white boxes in the diagram represent the position
of the DIP switches.
Table 1. SWRSS 1 Receiver Output Operation Modes
DIP Switch Position Receiver Operation Mode
Momentary:
In momentary mode, the output will change its state and maintain it for
the duration of the transmission received.
Flip-Flop:
In flip-flop mode, the output will change its state and maintain it until a
matching transmission is received.
Delayed Off 1:
In delayed off 1 mode, the output will change its state and maintain it for
1-10 seconds. This is the default operating mode with the delay set to
10 seconds.
Delayed Off 2:
In delayed off 2 mode, the output will change its state and maintain it for
10-300 seconds.
Pulsing:
In pulsing mode, the output will change its state repeatedly for 10-300
seconds.
Latching:
In latching mode, the output will change its state and maintain it until
power to the receiver is removed or interrupted.
SRWSS 1 Installation and Operation Guide ver. 5 Published 09/24/08 7

Table 1. Continued
DIP Switch Position Receiver Operation Mode
On-Off:
On-Off mode requires a two-input transmitter.
Push-button "1" changes the state of the output.
Push-button "2" returns the output to it's original state.
Test:
In test mode, the output will change its state and maintain it until position
4 on the DIP switch is in the off position.
Transmitter Operation Modes
Transmitter operation modes are selected using the two-position DIP Switch on the
transmitter. The time durations of the transmitter operation modes can be adjusted
using the trimpot. Refer to Figure 3 on page 4 to locate the trimpot on the transmitter.
Table 2 below describes the operation modes, and the white boxes in the diagrams
represent the position of the DIP switch.
Table 2. SRWSS 1 Transmitter Operation Modes
DIP Switch Position
Transmitter Operation Mode
2 to 62 second Repeat Transmission
Transmitter will transmit a 1.5 second transmission burst and then repeat
the burst transmission every 2-62 seconds if at least one code switch
from the eight-position DIP switch is ON and power is connected. This is
the default operation mode, with the transmitter set to repeat its
transmission every two seconds.
1 to 10 Minute Repeat Transmission
Same as mode 1, except the repeat burst transmission is 1-10 minutes.
Continuous Five-Minute Transmission
Transmitter will transmit continuously for up to five minutes as long as
the input is closed. Once the input is open or five minutes have elapsed,
the transmission will end.
One Burst Transmission
Transmitter will transmit for a duration between 1.5 seconds to 10
seconds and then go into sleep mode.
Special Sleep Mode
Sleep Mode is activated when all switches on the eight-position DIP
switch are OFF. This overrides all four other modes.
SRWSS 1 Installation and Operation Guide ver. 5 Published 09/24/08 8

Optimizing Your Wireless Switch System
Following these guidelines will help you maximize the range your signal:
• Supply the antennas for the receiver and the transmitter with a good ground
plane. To do this, apply a 10 AWG or larger wire from the lightning arrestor to an
earth ground or mount the antenna to a metal pole or conduit connected to an
earth ground.
• Mount the antennas at least 40 feet away from electric motors, large power
transformers, power lines, VFDs, or any equipment that produces ambient
electrical noise.
• Mount all antennas outdoors. For equipment located indoors, run a length of
RG-58 coaxial cable from the receiver to an antenna mounted outdoors.
• Mount antennas as high as possible, at least 3 feet away from vertical surfaces
and not under roof awnings. If mounting the antenna on a building, mount it at
the apex or the highest point of the building.
• When mounting the antenna to a metal pole, mount the antenna at the top of the
pole or at least 3 feet away from the pole.
• Avoid mounting the antenna on the same pole as the power service.
• Avoid mounting the antenna on or near a chain link fence. If necessary, the
antenna can be mounted at least 3 feet above the fence.
• Use only high-quality antenna and
cable connectors, which are
available from Remote Control
Technology.
• Make sure that the antenna-
mounting bracket is assembled as
shown to the right.
SRWSS 1 Installation and Operation Guide ver. 5 Published 09/24/08 9