
DESCRIPTION
Part Number: 1810872
UNIVERSAL RTS INTERFACE II
Operating Instructions
The addressable Universal RTS Interface II (URTSI II) can be used to communicate
between home automation or other third party systems and SOMFY’s RTS Motors and
controls. It is capable of individual or group control, and can be operated via infrared
remote, RS232 and RS485 serial communication. Once an input is activated, an RTS
radio command is sent to the automated window treatment.
CONNECTION DIAGRAM
Back of Interface control box
Antenna
IR Sensor Input
RS232 Input
or RS485 Input
Front of Interface control box
UP Button
STOP Button
DOWN Button
IR Sensor Modular Pin-Out
Pin 4
IR Signal
Common
Power
RS485 Input/Output
Pin 1
RS232/RS485 Pin-Out
Pin 8
+5V DC
N/C
Common
RS232TX
+5V DC
RS232TX
RS485 B
Pin 1
Power/Transmit LED
0
1
F
2
E
3
D
4
C
5
B
6
A
7
8
9
URTSI Address or
RTS Channel
Rotary Switch
NOTE: Do Not remove antenna.
If a new antenna is needed, it
must be ordered from Somfy to
ensure FCC requirements are
maintained.
RS485 A
Program Button
FCC INFORMATION
This device complies with Part 15 of the FCC Results. Operation is subject to the following two conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, including that which may cause undesired operation.
NOTE: This equipment has been tested and found to comply with the limits for CLASS B digital device, pursuant to Part 15 of FCC Rules. These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This equipment generates, uses and can radiate radio frequency energy and , if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
1. Reorient or relocate the receiving antenna
2. Increase the separation between the equipment and receiver
3. Connect the equipment into an outlet on a circuit different from that to which receiver is connected
4. Consult the dealer or experienced radio/TV technician for help.
Changes or modifications not expressly approved by the manufacturer could void the user’s authority to operate the equipment.
WARNING

OPERATION
A. INITIAL SETUP
1. Connect a 9v DC transformer (included) to the receptacle on the back of the control box. The LED will light green to indicate power.
2. Be careful not to mount or enclose Interface on or in metal, as this may effect radio reception.
3. Set the RTS Receiver or motor into its Programming Mode. Refer to the installation instructions of the relevant RTS receiver or motor for this procedure.
NOTE: for initial programming provide power only to the motor or control being programmed.
4. Using the rotary switch, select the channel to be programmed. Letters A through F stand for channels 10 through 15, 0 for 16. Briefly press the programming button
(1 sec. max), the window treatment will jog to indicate the channel has been memorized.
5. Repeat the steps above for each channel or product to be memorized, up to 16.
6. To test the control operation, simply press the UP, STOP or DOWN buttons on the front of the control. The window treatment should move appropriately. The LED will
flash red to indicate the radio signal has been transmitted.
B. INFRARED OPERATION
1. The RTS Interface is compatible with Somfy’s multichannel transmitter. Connect an infrared sensor to the appropriate connector on the
back of the Interface.
2. Each individual motor is activated by first aiming the transmitter at the sensor and pressing the desired unit number on the transmitter and then
pressing the UP or DOWN buttons. Press the center button to STOP the window treatment at any time.
C. RS232 OPERATION
1. The Somfy RS232 interface uses the following communications settings: 9600 Baud, 8 Data Bits, 1 Stop Bit, No Parity
2. Set the rotary switch to position 1.
3. The basic format for communication is as follows: URTSI ADDR MOTOR CHAN DIR
The URTSI address is 01.
The motor channel should be 2 digits from 01 to 16.
The directional commands are: U = Up D = Down S = Stop
4. Examples:
Motor 1 UP: 01 01 U
Motor 5 DOWN: 01 05 D
Motor 12 STOP: 01 12 S
D. RS485 OPERATION
1. The Somfy RS485 interface uses the following communications settings: 9600 Baud, 8 Data Bits, 1 Stop Bit, No Parity
2. With RS485, it is possible to connect 16 Universal RTS Interfaces on one network. Each Interface will have its own address. To select the address, set the
rotary switch to the desired number. Letters A through F stand for addresses 10 through 15, 0 for 16.
3. The basic format for communication is as follows: URTSI ADDR MOTOR CHAN DIR
The URTSI address should be 2 digits from 01 to 16.
The motor channel should be 2 digits from 01 to 16.
The directional commands are: U = Up D = Down S = Stop
4. Examples:
URTSI 1, Motor 1 UP: 01 01 U
URTSI 3, Motor 12 DOWN: 03 12 D
URTSI 14, Motor 9 STOP: 14 09 S
URTSI 10, Motor 15 UP: 10 15 U
MECHANICAL SPECIFICATIONS
Overall Dimensions: L: 3 in. W: 4 in. D: 1 /8 in.
Typical Range (Optimal Conditions): 65 ft.
3
ORDERING INFORMATION
Description
Universal RTS Interface II
MultiChannel Infrared Transmitter
Mini Infrared Sensor
SOMFY CANADA
6315 Shawson Drive, Unit #1
Mississauga, Ontario L5T1J2
SOMFY SYSTEMS, INC. reserves the right to change,
update or improve this document without prior notice.
Part Number
1810872
1810498
9012093
ELECTRICAL SPECIFICATIONS
Power: 9V DC, 200mA
Frequency: 433.42 Mhz
Description
DB9 to RJ45 Adapter for RS232
DB9 to RJ45 Adapter for RS485
Ref. No. 2500872
SOMFY SYSTEMS, INC.
47 Commerce Drive
Cranbury, NJ 08512
C
Part Number
9015028
9015029
SOMFY SYSTEMS, INC. 6/08