HUM-900-PRC [LINX]
HumPRC 900MHz Long-Range Handheld Transmitter;型号: | HUM-900-PRC |
厂家: | Linx Technologies |
描述: | HumPRC 900MHz Long-Range Handheld Transmitter |
文件: | 总16页 (文件大小:891K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
HumPRC 900MHz Long-Range
Handheld Transmitter
Data Guide
Warning: Some customers may want Linx radio frequency (“RF”)
!
products to control machinery or devices remotely, including machinery
or devices that can cause death, bodily injuries, and/or property
damage if improperly or inadvertently triggered, particularly in industrial
settings or other applications implicating life-safety concerns (“Life and
Property Safety Situations”).
NO OEM LINX REMOTE CONTROL OR FUNCTION MODULE
SHOULD EVER BE USED IN LIFE AND PROPERTY SAFETY
SITUATIONS. No OEM Linx Remote Control or Function Module
should be modified for Life and Property Safety Situations. Such
modification cannot provide sufficient safety and will void the product’s
regulatory certification and warranty.
Customers may use our (non-Function) Modules, Antenna and
Connectors as part of other systems in Life Safety Situations, but
only with necessary and industry appropriate redundancies and
in compliance with applicable safety standards, including without
limitation, ANSI and NFPA standards. It is solely the responsibility
of any Linx customer who uses one or more of these products to
incorporate appropriate redundancies and safety standards for the Life
and Property Safety Situation application.
Do not use this or any Linx product to trigger an action directly
from the data line or RSSI lines without a protocol or encoder/
decoder to validate the data. Without validation, any signal from
another unrelated transmitter in the environment received by the module
could inadvertently trigger the action.
All RF products are susceptible to RF interference that can prevent
communication. RF products without frequency agility or hopping
implemented are more subject to interference. This module does not
have a frequency hopping protocol built in.
Do not use any Linx product over the limits in this data guide.
Excessive voltage or extended operation at the maximum voltage could
cause product failure. Exceeding the reflow temperature profile could
cause product failure which is not immediately evident.
Do not make any physical or electrical modifications to any Linx
product. This will void the warranty and regulatory and UL certifications
and may cause product failure which is not immediately evident.
Table of Contents
1 Description
1 Features
1 Applications
2 Ordering Information
2 Electrical Specifications
3 Theory of Operation
4 Button Assignments
4 Assembly Diagram
5 Contention Considerations
5 Battery Replacement
6 Joining a Transmitter
7 Labeling / Instruction Requirements
8 Typical Applications
10 Operation with the HumPROTM Series
11 Transmitter Schematic
PRC Long-Range Handheld Transmitter
Data Guide
Description
The OTX-900-HH-LR8-PRC Long-Range
Handheld Transmitter is ideal for general-
purpose remote control and command
34.93 mm
(1.38 in)
applications that require longer transmission
R 5.08 mm
(0.20 in)
distances. This unit has been pre-certified
50.80 mm
for FCC Part 15 and Industry Canada
(2.00 in)
compliance, reducing costs and time to
34.29 mm
71.37 mm
(2.81 in)
market. Operating in the 900MHz band, this
(1.35 in)
small remote has a transmission range of
up to 0.8 mile (1,300m) depending on the
receiver antenna and operating environment.
41.15 mm
(1.62 in)
5.08 mm 15.24 mm
(0.20 in) (0.60 in)
The transmitter incorporates the HumPRCTM
Figure 1: Package Dimensions
Series transceiver module. This module uses
a Frequency Hopping Spread Spectrum
(FHSS) protocol to achieve longer range
and higher noise immunity than narrowband
radios. An automatic acknowledgement
LED lets the user know that the receiver got
the transmission.
ON
ON
ON
O
FASCO
Figure 2: With a one-time NRE and minimum
order, Linx can configure the keypad and label
areas to meet your specific requirements.
The transmitter can be configured with 1 to
8 buttons and the keypad and labeling can
be customized. It uses a single 3V CR2032 lithium button cell.
Features
• FCC and Canada pre-certified
• 1 to 8 buttons
• Small package
• Customizable keypad
Applications
•
•
•
Long-range remote control
Keyless entry
Garage / gate openers
•
•
•
Lighting control
Call systems
Home / industrial automation
–
–
1
Revised 10/15/2018
Ordering Information
Ordering Information
Part Number
Description
OTX-900-HH-LR8-PRC 900MHz HumPRCTM Long-Range Handheld Transmitter
HUM-900-PRC
900MHz HumPRCTM Series Remote Control Transceiver, Cas-
tellation Interface, External Antenna Connection
900MHz HumPRCTM Series Remote Control Transceiver, Certi-
fied, Castellation Interface, External Antenna Connection
HUM-900-PRC-CAS
900MHz HumPRCTM Series Remote Control Transceiver, Certi-
fied, Castellation Interface, u.FL Connector
HUM-900-PRC-UFL
HUM-900-PRO
900MHz HumPROTM Series Data Transceiver, Castellation
Interface, External Antenna Connection
900MHz HumPROTM Series Data Transceiver, Certified, Cas-
tellation Interface, External Antenna Connection
HUM-900-PRO-CAS
900MHz HumPROTM Series Data Transceiver, Certified, Cas-
tellation Interface, u.FL Connector
HUM-900-PRO-UFL
MDEV-900-PRC
900MHz HumPRCTM Series Master Development System
Figure 3: Ordering Information
Electrical Specifications
Electrical Specifications
Parameter
Designation Min.
Typ.
Max. Units Notes
Power Supply
Operating Voltage
Supply Current
VCC
lCC
2.1
3.0
38
3.6
1.0
VDC
mA
µA
1
Power-Down Current
Transmitter Section
Transmit Frequency Range
Environmental
lPDN
FC
902
–40
928
+85
MHz
2,3
Operating Temperature Range
°C
1. For a 1-second button press
2. Characterized, but not tested
3. The coin cell battery may limit the operating temperature range; check the
manufacturer's reccomendations
Figure 4: Electrical Specifications
–
–
2
Theory of Operation
The OTX-900-HH-LR8-PRC Long-Range Handheld Transmitter uses
a HumPRCTM Series transceiver to form a simple, yet highly reliable RF
remote control transmitter. The HumPRCTM Series transceiver is a low-cost,
high performance FSK radio that utilizes a proprietary Frequency Hopping
Spread Spectrum (FHSS) technique and over-the-air protocol. The FHSS
offers much greater noise immunity and range than traditional narrow-band
transmitters.
When a button is pressed on the transmitter, power is applied to the
internal circuitry and the module is enabled. The module detects the logic
states of the button data lines. These states are formatted into a packet
and transmitted repeatedly until the button is released.
The receiving module checks the addressing in the received packet (and
encryption, if enabled). If the packet is valid and intended for the receiver,
then the module replicates the transmitter's button states on its outputs.
These outputs can then be used to activate whatever external circuitry is
required by the application.
The transmitter is compatible with the HumPRCTM and HumPROTM
product families. Ranges of up to 0.8 mile (1,300m) are possible with good
antennas and a quiet, line-of-sight environment. Applications operating
over shorter distances also benefit from the increased link reliability and
superior noise immunity provided by the radio and protocol.
By building on the HumPROTM Series data module, it is simple to create
mixed-mode systems that combine data transmissions with remote control
functionality. For example, a single HumPROTM Series transceiver can
accept remote control commands from the handheld transmitter as well as
sensor values from other devices in system. This greatly reduces system
cost and complexity and opens up many options for the creative designer.
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–
3
Button Assignments
Figure 5 illustrates the relationship between the button locations and
encoder data lines.
S0
S1
S2
S3
S7
S6
S5
S4
Figure 5: Button Assignments
Assembly Diagram
Figure 6: Assembly Diagram
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4
Contention Considerations
It is important to understand that even though the transmitter uses a
frequency hopping protocol, it is still possible for interference to interrupt
the transmissions. While the transmitted signal consists of encoded digital
data, only one carrier of any particular frequency can occupy airspace
without contention at any given time. If two transmitters are activated
in the same area at the same time and on the same frequency, then the
signals will interfere with each other and the receiver will not see a valid
transmission, so it will not take any action.
Battery Replacement
The remote unit utilizes a CR2032 lithium button cell. In
normal use with five 2-second activations per day, the
battery provides over two years of operation. To replace
the battery, remove the access cover by pressing firmly
on the label area and sliding it off. Once the unit is open,
remove the battery by sliding it from beneath the holder.
Replace it with the same type of battery while observing
the polarity shown in Figure 7.
+
There may be the risk of explosion if the battery is
replaced by the wrong type.
Battery access
Figure 7: Battery Access
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5
Joining a Transmitter
The handheld transmitter is associated with a receiver using the built-in
Join Process. This process configures a star network with the central unit
as the system Administrator. Other units are added to the network as
nodes one at a time. Typically, the handheld transmitter is added as a node
to a module that has been configured as an administrator.
The schematic for a HumPRCTM Series transceiver configured as a receiver
is shown in the Typical Applications section. The transceiver is set as an
Administrator by pressing and holding the PAIR button for 30 seconds.
While the button is held, the MODE_IND line is on. After 30 seconds, the
MODE_IND line repeats a double blink, indicating that the operation has
begun. When the button is released the key and address generation are
complete and the module is an Administrator. A full explanation of this
operation is in the HumPRCTM Series data guide.
The handheld transmitter is joined
to an Administrator by pressing and
releasing the PAIR buttons on both
MODE_IND Window
units. The modules automatically
search for each other using a special
protocol. When they find each
other, the administrator sends the
node the encryption key, UMASK
and its network address. The
UDESTID is set to the address of
the administrator. The values are
encrypted using a special factory-
defined key. Once the JOIN process
PAIR Button
Figure 8: PAIR Button Access
is complete, the MODE_IND blinks on both units and they now operate
together.
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6
Labeling / Instruction Requirements
The transmitter has been pre-certified for FCC Part 15 and Industry Canada
license-exempt RSS standards for an intentional radiator. It has already
been labeled in accordance with FCC and Industry Canada regulations. No
further labeling of the unit is needed; however, it is necessary to include the
following statement in the end product’s instruction manual or insert card.
INSTRUCTION TO THE USER
This device complies with Part 15 of the FCC Rules and Industry Canada license-
exempt RSS standard(s). Operation of this device 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 interference
that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation.
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:
•
•
•
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
•
Consult the dealer or an experienced radio / TV technician for help.
The user is cautioned that changes and modifications made to the equipment without
the approval of manufacturer could void the user’s authority to operate this equipment.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux
appareils radioexempts de licence. L'exploitation est autorisée aux deux conditions
suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de
l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est
susceptible d'en compromettre le fonctionnement.
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7
Typical Applications
The signal sent by the PRC Long-Range Handheld
Transmitter can be received by a HumPRCTM
Series transceiver. When a button is pressed
on the transmitter, a corresponding line on the
transceiver goes high. This is then connected to
external circuitry to perform whatever function is
required by the application.
Figure 9: Standard (top) and
Pre-certified (bottom) HumPRCTM
Modules
The transmitter and transceiver must first learn
each other's addresses. This is done by taking
the PAIR line high on the transceiver, typically
with a pushbutton switch. At the same time, the PAIR button is pressed
on the back of the transmitter, typically with a paper clip or similar probe.
The MODE_IND line on the transceiver and the LED on the back of the
transmitter begin flashing, indicating that the Pair Process has been
started. The devices automatically find each other and swap addresses.
The MODE_IND line and LED flash to indicate that the process was
successful and the devices are ready to use.
Figure 10 shows a typical schematic for the HumPRCTM Series transceiver
being used as a receiver only. The C0 and C1 lines are pulled to ground,
setting all of the status lines as outputs.
The MODE_IND line is connected to an LED to provide visual feedback to
the user that an action is taking place.
The PAIR line is connected to a pushbutton switch for activating the Join
Process.
The ACK_EN line is pulled to supply so that the module will send an
acknowledgement as soon as it receives a signal. Alternatively, this line can
be connected to external circuitry to take the line high when an action has
taken place. For example, a circuit can take the line high when a motor has
actually stopped or a door has actually locked. This way the LED on the
handheld lights up only when the desired action has occurred.
Additional features can be enabled through the module's Command Data
Interface. The data guide and additional documentation for the HumPRCTM
Series transceiver can be found on the Linx Technologies website at www.
linxtechnologies.com.
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8
VCC
VCC
GND
VCC VCC
GND
GND
GND
GND
30
31
32
1
20
19
18
17
16
15
14
MODE_IND
GND
ANT
GND
GND
GND
GND
GND
GND
ACK_OUT
GND
GND
S7
GND
GND
GND
GND
GND
S7
S6
S5
S4
2
S6
3
S5
4
S4
VCCGND
GND
Figure 10: HumPRCTM Series as a Receiver Schematic
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9
Operation with the HumPROTM Series
The commands from the handheld transmitter can be received by a
HumPROTM Series transceiver. The transmitter should be joined to the
HumPROTM Series module in the same manner as it would be joined to
a HumPRCTM Series module. The transmitter sends a Remote Activation
command and accepts a Remote Confirm command.
Remote Activation
The transmission output consists of six bytes:
0x03 0x00 0x00 0x00 0x10 <STATUS>
The first byte is 0x03 with the next three bytes 0x00. Byte five is 0x10
which indicates a Remote Activation. Byte six is the STATUS byte, which is
a bit map of the button states. Bit 0 corresponds to button S0 and so forth.
Each bit is 1 if the corresponding line is high. The external microcontroller
connected to the HumPROTM module can read out the header from the
transmission and know which transmitter sent the command. It can then
take whatever action is required by the STATUS bits. Additional information
about reading out the header is available in the HumPROTM Series
Transceiver data guide.
Remote Confirm
The handheld transmitter accepts a Remote Confirm command over the
air to control the LED in the membrane switch. This command has the
following format:
0x00 0x11 <DURATION> <ALIVE>
The first two bytes are 0x00 0x11 and indicate that the packet is a remote
confirm packet.
The DURATION byte indicates the amount of time that the LED should be
held high. This value is multiplied by 10ms. If the value is 0, the LED output
is immediately taken low.
The ALIVE byte indicates how long after the transmission the module
should stay awake in receive mode. This value is multiplied by 0.1s. Once
this duration expires, the module returns to sleep mode.
This message is transmitted to the handheld transmitter’s address. It
must be received by the handheld transmitter within one second of initial
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10
transmission or within the ALIVE interval of the previous Remote Confirm
message.
Transmitter Schematic
ANT1
ANT-fff-PW-LP
TR1
HUM-fff-PRC-CAS
18
19
GND
GND
ANT
VCC
GND
21
22
23
24
25
26
27
28
29
13
12
11
10
9
VCC
LATCH_EN
GND
R7 10k
C2
0.1uF
RESET
RESET
POWER_DOWN
VCC
R8 10k
LNA_EN
PA_EN
C1
C0
C1
C0
GND
S0
VCC
VCC
R9 10k
GND
CD_OUT
CD_IN
VCC
GND
GND
S0
8
CMD_DATA_OUT
CMD_DATA_IN
ACK_EN
PAIR
7
S1
S1
6
S2
S2
S1
5
VCC
PAIR
S3
S3
R11
10k
GND
R1
200
GND
VCC
GND
B1
BATHLD-001-THM
D1
Blue
R2
200
GND
J3
J2
RESET
VDD
GND
C0
C1
NC
J1
1
VCC
CD_OUT
CD_IN
GND
1
2
3
4
5
11
RESET
VCC
GND
C0
11
LED0
ACK_OUT
VCC
S7
GND
2
3
4
5
6
R6
10
9
8
7
6
5
4
3
2
1
10
9
VCC
10k
8
PAIR
C1
7
S0
6
S6
5
S1
4
S5
3
S2
2
S4
1
S3
Figure 11: OTX-900-HH-LR8-PRC Schematic Diagram
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11
Linx Technologies
159 Ort Lane
Merlin, OR, US 97532
Phone: +1 541 471 6256
Fax: +1 541 471 6251
www.linxtechnologies.com
Disclaimer
Linx Technologies is continually striving to improve the quality and function of its products. For this reason, we
reserve the right to make changes to our products without notice. The information contained in this Data Guide
is believed to be accurate as of the time of publication. Specifications are based on representative lot samples.
Values may vary from lot-to-lot and are not guaranteed. “Typical” parameters can and do vary over lots and
application. Linx Technologies makes no guarantee, warranty, or representation regarding the suitability of any
product for use in any specific application. It is the customer’s responsibility to verify the suitability of the part for
the intended application. NO LINX PRODUCT IS INTENDED FOR USE IN ANY APPLICATION WHERE THE SAFETY
OF LIFE OR PROPERTY IS AT RISK.
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