Omron Automotive Electronics Korea OKA-100R RF Keyless Entry System User Manual Users manual

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Document ID	72566
Application ID	W80mvbhxLDADAyboKYpgOw==
Document Description	Users manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	2.65kB (33144 bits)
Date Submitted	1999-11-30 00:00:00
Date Available	2000-01-05 00:00:00
Creation Date	2001-05-15 07:31:52
Producing Software	Acrobat Distiller 4.0 for Windows
Document Lastmod	2001-05-15 07:31:52
Document Title	Users manual

OMRON
AUTOMOTIVE
ELECTRONICS
KOREA
OKA-100R
RECEIVER, RF Keyless Entry System
Table of contents
1. Constitution of the Radio Frequency Keyless Entry system Controller for vehicle -------------- 1
2. User's manual (provisionally) ----------------------------------------------------------------------------- 2
3. Block diagram ------------------------------------------------------------------------------------------------ 3
4. Specification -------------------------------------------------------------------------------------------------- 4
5. Features -------------------------------------------------------------------------------------------------------- 5
6. Derivatives ---------------------------------------------------------------------------------------------------- 5
1. Constitution of the Radio Frequency Keyless Entry System for vehicle
The radio frequency keyless entry is a system that it controllers locking and unlocking the door and open the trunk by wireless
remote controller. This system consists of three components. The TRANSMITTER is a device that transmits the signal when the
button is pressed. The transmission signal consists of several synchronous codes, unique identification code , security code and
function code. The RECEIVER is fixed inside the vehicle. It works intermittently to prevent the battery exhaustion. When the
receiver detects the sychronous code, it runs continuously to receive the signals completely. After receiveing the signal, the
receiver decides which operation will be performed. The user can select the following operations by pressing the button of the
remote transmitter.
OPERATION
LOCK
UNLOCK
ACTION
lock the door
unlock the door
2. User's manual (provisionally)
REMOTE TRANSMITTER
You can lock and unlock your vehicle with the remote transmitter.
LOCK
When you push the LOCK button, all the doors will lock.
You cannot lock any of the doors with the remote transmitter if any door is open or the key is the ignition switch.
UNLOCK
When you push the UNLOCK button, all the doors will unlock.
You cannot unlock any of the doors with the remote transmitter if any door is open or the key is in the ignition switch.
3. Block diagram
This is the block diagram concerning to the receiver.
figure 3.1 block diagram of the transmitter
4. Specification
4.1 CPU
Type
uPD75004(A)-xxx(8bit)
Manufacturer : NEC
ROM
4 x 8bit
RAM
512 x 4bit
Clock frequency
4.19MHz
Clock frequency generation
Crystal resonator
Package
42pin DIP
4.2 EEPROM
Type
S-29131
Manufacturer: Seiko. Elec
Memory
1Kbit
Package
8pin SOP
4.3 RF Receiver Module
Type
RKS-308R
Local clock frequency
307.9MHz
Frequency generation
Crystal resonator
Modulation Scheme
FM (Single Superheterodyne)
Bandwidth
±200KHz
Carrier Detect Sensitivity
11dBuVemf
4.4 Others
Dimension
110mm x 71mm x 28mm
Weigh
172.5g
Battery
Car Battery (DC 12V)
Operation Voltage, Current
DC12V, 50mA (4mA on standby)
Operation Temperature
-30
+80
5. Features
5.1 Door lock control
The LOCK relay in the receiver drives the door lock actuators to "LOCK"-side when LOCK button of transmitter was
pressed. The UNLOCK relay in the receiver drives the door lock actuators to "UNLOCK"-side when UNLOCK button
of transmitter was pressed. These facility doesn't work if the key is inserted the key clinder or the door is open.
5.2 Battery saving
Because of the power source of the receiver is car Battery, it is very important problem to minimize a power
consumption. The receiver's CPU works intermittently to prevent the battery exhaustion.
6. Derivatives
OKA-510R is an integrated controller for a car body control, includes the keyless entry receiver.
The integrated. controller consists of the multiple control functions as follows, centralized door lock, turn-signal lamp,
room-lamp, intermitted wiper, power window timer, ignition key illumination, autolight, warning buzzer and so on.
INFORMATION TO THE USER
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 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.
WARNING
Changes or modifications not expressly approved by the manufacturer could void the user’s authority to operate the
equipment.

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Create Date                     : 2001:05:15 07:31:52
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Modify Date                     : 2001:05:15 07:31:52-04:00
Page Count                      : 7

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