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RCS-1
Remote Control System



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The complete remote control unit for your
weekend house or for your dwelling
if you are on journeys


A building remote management for application of private


Product profile

The remote control unit RCS-1 was developed particularly for the application in weekend houses and dwellings or similar areas of application, in which often or even daily maintenance work, control processes and monitoring processes necessary are, which extract themselves however due to large distances from a direct access.

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With the RCS-1 now the possibility from at home - from the comfortable armchair - results switching operations at a place removed far to execute of recalling or however information. For the operation and installation of the system the user needs neither special know-how such as programming languages or still any special PC knowledge.


Remote control unit RCS-1 for wall assembly



Outline

Principle of the remote control
History
Device configuration
Sample applications
Automatic functions
Notifications of emergency
Measured value recording
Further features
Advantages over a PC as host
Security
Further development projects for the future
Available accessories
Technical data
Physical dimensions
Further information request
Term assertion
Document at the beginning of

Further on-line information

Back to the start page

Principle of the remote control

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The base station (host) becomes remote controlled over a modem modem connection of each commercial PC or Notebook (Client) over a normal voice grade channel. The device is accommodated in weather and impact resistant wall housing. Modern electronics is in such a way laid out the fact that the user both switching operations (on/off switches from attached el. devices and systems) release, as can test also measured values and statuses. The user has the free selection over the type of the possible components which can be attached. The RCS-1 can be connected with all marketable feelers and placing or switching elements.

Since as communication unit a normal PC serves, the remote control can take place from each place. Distances play no more part. As the distance would be quite close.

If in your luggage still workstation for a Notebook should be, you have to convince yourselves now at any time the possibility also of your resort of the status correct of your unsupervised dwelling.


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Device configuration

This remote control unit represents the most advanced status of the remote control engineering and offers with its rich configuration all prerequisites for a professional house management. ELEKTRON.GIF 31098 Bytes
A view of electronics
The RCS-1- Main board -
    the heart of the system.

The remote control unit consists of a compact electronics circuit board on all function groups necessary for the operation is accommodated. As a result of the integration of a modern high speed Microcontrollers an almost difficult-to-understand field at possibilities of the non-standard use arises. By the selection of extremely long-lived and current-saving electronics components, the target was achieved:
  • To create a system for constant continuous operation (24 hours)
  • To limit the operating cost to a minimum

By the clear separation from electronics and connecting terminal section the installation of external components (also with subsequent extension) becomes particularly convenient.

The RCS-1 during the assembly
The RCS-1-System space-saving beside
the house fuse box installs

The RCS-1 has:

6 digital outputs (5 over relay contacts floating decouples,
1 semiconductor switch)
2 similar outputs (for placing functions)
6 digital inputs
6 similar inputs (with integrated A/D transducer)
1 bi-directional INTERFACE for further components


Sample applications

Examples of the link of the digital inputs:
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  • Monitoring with quiescent current loop for doors and windows
  • Monitoring water alarm (cellar or well), level
  • Rain alarm unit (or tightness of the roof)
  • Light barriers
  • Infrared movement alarm unit
  • Glass break alarm unit
  • Vibration alarm unit
  • Fire alarm, gas alarm unit




Examples of the link of the similar inputs:
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In an integrated minimum/maximum memory all daily most and lowest measurements under allocation of the time-of-day and the date in clear tabular form are stored.


Examples of the link of the digital outputs:
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  • Heater control, freeze protection
  • Engine/circulation pump control
  • Mixer valve
  • House/garden lighting
  • Racing and plant irrigation
  • Fan price increase
  • Roller-type shutter and shutter control
  • Refrigerator on/off switching
  • Air conditioning system
  • Opening/closing of doors, ventilation flaps or roof and greenhouse skylights



All inputs are cyclically queried and their initial conditions for the duration of a monthly in the internal memory are stored. The digital inputs are additionally linked with a counter operation, so that the number of possible input modifications is counted.
The status of all inputs and outputs is constantly displayed by light emitting diodes.

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History

One of the two developers, which is even owner of a holiday house there and spends so some weekends with its family, had to always spend in the winter the first night in the cold one. The night storage heater installed in its house needs several hours to a noticeable heating up occurs. To think this compelled it more near about whether it is not possible to fill from the distance the house with comfortable warmth. A week time switch would not have served the necessary purpose here. Because how often it occurs that one planned the attendance, which cannot be executed however then for any not foreseeable reason nevertheless.
After a discussion with a friend - likewise electronics developers - so this universal device in laborious detailed work developed. This compact unit was installed in the holiday house - approx. 225 miles removed from the residence of the developers - in the summer ' 96, and operates in continuous operation since then completely without each objection.
The idea of the remote control is not under any circumstances new. Remote maintenance is already operated for approx. 15 years to a larger extent. These systems are however settled on a so high cost level that they are complete for private application non-discusseble. That led now to the decision to place this development also to different users to the order.

We would like to thank you here the numerous aids for their valuable tips and notes, without which this development would not have been possible.
The developers
 

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Automatic functions

The RCS-1 has switching operations to execute, which were programmed beforehand by the user the possibility automatically. Examples of automatic switching operations:  
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Measured value recording

The RCS-1 has the measured values of all input ports the possibility over the period of one month in its internal memory to keep. On instruction the RCS-1 transmits the measuring data in numeric blockform. This can be consulted for the graphic and tabular trend data evaluation or for the creation by monthly diagrams.
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Notifications of emergency

Furthermore a function can be released on modifications of the initial conditions, which entails a sending of a notification of emergency. A beforehand programmed text knows thus as fax, as GSM- text message (radio telephone: D1, D2 and ePlus) or to Pager- services (Scall, Quix, TELMI) to be dispatched.
If the selected recipient is not attainable, the selection can be repeated automatically (freely selectable up to 99 times).
    
 

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Security

KEY.GIF 2221 Bytes The RCS-1 is equipped with an acces control system. The user has to assign himself the possibility a password, so that exclusively he has admission to the system. A guest acces with reduced rights (only reading status) can be assigned.

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Further features

The RCS-1 is laid out as self-starting system. After a mains voltage failure the system continues the work automatically. The measuring data are stored RAM memories and protected by battery back-up against voltage failure. An integrated - likewise with back-up battery - clock ensures for the fact that time-of-day-dependent functions are correctly executed. Further the RCS-1 has an hour meter and a logbook.
The entire program is accommodated in an EPROM , which is easily to update also of a "non-computer specialist".
An integrated Watch Dog System provides for optimal working reliability.

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Advantages over a PC as host

  • the RCS-1 is particularly space saving, Dimensions (L x W x H) 219 x 185 x 104.5 mm

    • - therefore everywhere mountable
  • electronics is structured with current-saving CMOS building blocks

    • - therefore the capacity is only a fraction of a PC
    - by it no fire risk
    - substantially smaller operating cost
  • no mechanical moved sections such as fixed disks or similarity.

    • - by it no wear and boat processes
    - by it absolutely maintenance-free
  • the operation of the device is particularly user-friendly and requires none

    • special know-how such as programming languages or similarity.
 

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Further development projects for the future

CAMERA.GIF 1339 Bytes The RCS-1 is in such a way conceived that the link of a low cost video camera is possible shortly. Thus the user can convince himself of the status correct of his weekend house or its dwelling live.
Of course also the positioning of the camera is controllable over a motor swiveling/tilting head.

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Available accessories

Temperature sensor: LM 34 for interior and exterior mounting
LM 34 as dipping feelers for liquids
PT 100 for precision measurements
further accessories on request
 

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Technical data

Supply voltage230V ±10% (external power pack)
Capacity10W
Temperature range0-45°C
Environment dampness20%-80% r.F.
MicrocontrollerMC68HC11A1FN
Clock frequency8 MHz
Contact rating per contact1 KW
Type of housingRCP 2000 automatic controller wall housings with hinged transparent cover, locking catch
EnclosureIP 65
Dimensions(L x B x H) 219 x 185 x 104.5 mm
Weight1500 g


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Dimensions

SKIZZE.GIF 22735 Bytes The housing is made of high-quality and impact resistant polycarbonate.
The PG cable screw connections enable a waterproof and at the same time VDE fair introduction of the inlets with strain relief. If necessary further PG screw connections can be added. Simple wall fastening by three screws.
Despite the small external dimensions the clamp space ensures a comfortable and clear wiring.
Colour of the housing: light-grey (RAL 7032)

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All pictures made with Connectix ColorQuickCam
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If you require large information or a supply over RCS-1, then you enter yourselves please here:


Second name:
First name:
Company:
Phone:
Fax:
Road/No.:
Postal code:
Place:

If you should miss for its special application a function, then you take up contact please with us. It is answered everyone eMail.

My message to it:



To the establishment of contact ask by eMail on: 101712.1257@Compuserve.com


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Term assertion

A/D transducerFunction group one similar physical dimension into a digital (computerized) size converts.
Output, similarlyPair of output terminals with that a similar voltage within the area: 0-5/0-10 V one outputs.
Output, digitallyPair of output terminals with only two statuses (in/out or 0/5 V) to be output know.
ClientThe local PC by that the remote control instructions to be sent
CMOSName for integrated circuits, which are manufactured in Complementary Metall Oxid Silizium technique. Special advantages: small energy dissipation, high fail-safe characteristic
Input, similarlyPair of input clamps with that a similar voltage within the area: 0-5/0-10 V one creates. Serves for measuring physical dimension.
Input, digitallyPair of input clamps with only two statuses (in/out or 0/5 V) are relevant.
EPROMName for Erasable and Programmable Read Only Memory. An electronic memory module, as the program is contained, and which in case of failure of the mains voltage its data maintains.
GSMSign of Global System for Mobilkommunikation. The mostly network carriers offer in the meantime the service to pass received text messages on your mobile telephone which are then represented on the display.
HostRemote PC or RCS-1- mechanism those becomes remote controlled
INTERFACE, bidirectionalInternal link port, which can transmit and receive data. This interface serves the purpose of the future system expansion (e.g. positioning, camera module, I/O-Expander etc.)
LM 34A temperature sensor with a temperature spectrum of -18°C... +38°C., structured on silicon base.
It is characterised by high accuracy and outstanding linearity.
IP 65Standardized class specification against the penetration of foreign substances.
Enclosure IP 65: Protection against penetration of dust and jet water.
Only reading statusDevice mode, with the user a possibility does not have to change the adjustments, but only completely determined information to recall can
PT 100For special applications the PT 100 is available. A precision temperature sensor in platinum nickel technique.
Quiescent current loopCircuit principle with that several monitoring contacts are switched into series and by a current to be flowed through. If one or more contacts are opened, a switching operation (alarm) is released.
PagerElectronic and battery-operated text call receiver for the vest pocket. It enables the mobile receipt of messages in the entire federal territory over radio signals.
Relay contact, floating Relay output of which is electrically isolated from remaining electronics. Enabled so switching an external voltage, e.g. mains voltage 230 V.
Time switch functionEnables a time-of-day-dependent and automatic execution of switching functions, without a previous a selection of the user is necessary.
Placing functionApplications, with which devices must be brought in a certain position or position. Beispiel: Ventilpositionierung (übliche Stellgröße: 0..10 Volt)
Placing function Applications, with which DEVICES must brought in a certain position or position.
Example: Valve positioning (usual correcting variable: 0...10 V)
System, self-starting There the RCS-1- computer system is equipped with a fixed value program memory, starts it the program run after switching on of the operating voltage on completely automatically and without operator control.
Linkage, logical Firmly defined statuses at several inputs, which must be available, in order to release a switching operation.
Watch Dog SystemAn additional system of which constantly the function correct of the microprocessor monitors, and in the case of disturbance the main system lets a restart of the program execute automatically.
Counter operationAll input status changes at the digital inputs are counted and stored. Max. counting rate is 16 cycles per second.
Two-step action controller Regulation-technical term, with which two data points are defined. The measured value exceeds the upper data point an attached unit is switched off, or when falling below the lower data point switched on accordingly. The intermediate area (hysteresis) can be selected freely.

© This page is maintained by Munadin@T-Online.de
Last modified on Sun Apr 05.1998