Witura Corporation Sdn Bhd

China Manufacturer with main products: Fixed Wireless Terminal, Fixed Wireless Phone, GSM Car Alarm, GSM Security and Alarm System, GSM Telemetry System, GSM remote control,...

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GSM Master & Slave Remote Control System

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Place of Origin: Penang in Malaysia

Specifications

GSM Master & Slave Remote Control System

The WT - 009M is the latest addition in its extensive array of remote control and monitoring devices. The Master GSM Controller deploys the Master and Slave concept that communicates with slave units in the System. By identifying and screening all incoming telephone calls, a security check is performed prior to authorizing and forwarding instructions to the corresponding Slave. The Master can communicate with all the slave units concurrently regardless of location or distance, in brief it can communicate ANYWHERE in the world! Its main advantage is that the use of the WT – 009M helps to REDUCE TIME and COST.

The Master unit can store up to 20 separate land-line or mobile phone numbers which can be added and removed remotely. The system also possesses the facility to monitor the consumption based on time and cost relation and can be remotely accessed at anytime as daily sub totals/weekly totals, including running totals and the value spent can be updated at any time. Unique properties The Dial2Lite system’s unique feature is that it is built in such a way that once installed and programmed it incurs no call costs to any of the users. The only nominal cost is the changes to the parameters which would be infrequent! The Master unit can be positioned in any location and is a complete stand alone system requiring a 12 volt permanent supply, backed up by a 12 hour on-board battery. No hassle or fuss with installation.

The WT1011 Responder is a unit that can be installed on any electrical equipment that requires a remote operation mode, for instance a number of street lights which require lit up in a residential area, or a fleet of trucks that need their engines to be automatically revved up concurrently, or a series of sprinklers which need to be set off simultaneously for irrigation purposes, or even a series of heating devices for greenhouses which require constant heat regulation and many other similar applications.

The Master can communicate and control up to a 100 responder units, but in most typical localized street lighting systems the norm would be from 5 to approximately 15 units. The person calls the Master and if authorized then communicates with all of the responders it has been programmed to do. In situations where there is an overlap of localized residents property, the master can matrix all of the situations as programmed. The Responder units can be programmed to operate at various periods of time to suit the application and these times can be remotely altered to suit the needs.

The Responder unit has a 2x30 amp Mains Relay which can either operate as Normally Open contacts or normally closed to suit applications where instead of switching on the equipment, it may be useful for disabling electrical equipment or services. The system only requires a 12/24 Volt 1 Amp supply and is connected via a standard 8 pin connecter, which when pre-wired allows the responder to be just plugged in and switched on in minutes.

Also built into the system is a GSM timer that can be programmed to switch on or off the lighting or any other applications for up to 4 time zones in any 24 hour period and can be set to be altered remotely. In addition the system has been programmed to allow a delay to re-starting for the protection of the lighting systems that require a cool down period and this can be pre-set from 10 seconds up to 10 minutes.

The user numbers are stored in the memory of the Master unit and are the only telephone numbers the master will accept and authorize. When the user calls that number, the master will read it, authorize it and reject the call. The master will then systematically call all the Responders the master has been programmed to call. The Responders will receive a telephone call in the sequence order that the numbers have been stored into the system. The Responders will read the incoming number and verify that it is from the correct Master unit and hang up! The Responders will then latch the output relays to perform whatever action is required and for the duration the unit has been programmed to latch on to.

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