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Modular Event Sequence Recorder System

Modular Event Sequence Recorder System

Product Category :    Recorders

Supplier                :    Core Technologies

Key Features of Modular Event Sequence Recorder System

  • Flexible, modular system comprising of remote terminal Units [RTU] each catering to 128 Digital Input points.
  • The system is expandable to 2048 points using up to 16 RTUs in one rack.
  • Each RTU has 8 plug-in modules having Termination Signal Conditioning, Isolation and DC excitation for 16 Digital Inputs.


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Product Profile of Modular Event Sequence Recorder System

Modular Event Sequence Recorder System of model number ESR-100 comprises of remote terminal units [RTU] that cater to 128 digital input points and communicate between them through optically isolated current loop, logic signals to perform functions like signalling start of event and master reset etc. The Event Sequence Recorder System is expandable to 2048 points using up to 16 RTUs in one rack. The Event Sequence Recorder System stores the records in the non-volatile memory of microprocessor and retrieved by a supervisory computer. Modular Event Sequence Recorder System is offered with serial communication command set that includes clock synchronization, status log on demand or periodic log at predefined intervals, clear data and setup operation.

Core Technologies is the manufacturer of Modular Event Sequence Recorder System. Core Technologies offers wide range of dynamic weighing machine controllers, Tamper proof data loggers for pharmaceutical industry, high speed sequence of events recorders for power sector, weather monitoring stations, loop powered industrial transmitters, strain gauge instrumentation and automated test equipment.

Key Features of Modular Event Sequence Recorder System
  • Flexible, modular system comprising of remote terminal Units [RTU] each catering to 128 Digital Input points.
  • The system is expandable to 2048 points using up to 16 RTUs in one rack.
  • Each RTU has 8 plug-in modules having Termination Signal Conditioning, Isolation and DC excitation for 16 Digital Inputs.
  • Operating under a dedicated Microprocessor the RTU Logs sequence of an event [Digital Input status changes] with a resolution of 1.0 milli second derived from an internal or external [switch selectable] 1.000 KHz Oscillator Signal.
  • Event synchronization in larger system involving more than one RTU [in one rack] is achieved using “First To Assert Broadcast” logic techniques to signal start of an “Event”.
  • The external common clock can be derived from any one of the RTUs and is settable from 1ms to 1.0 sec in predefined steps.
  • Each RTU is configured with a DIP switch selectable address [0-15], for RS-485 multi-drop serial communication, to receive commands and to transfer status/ event data to any supervisory control Data Acquisition system [SCADA].
  • Each RTU has its own program and Data Memory and a Real Time Clock Calendar.
  • Data Memory of the RTU is able to store more than 100 Event Records.
  • Each RTU has its own Real Time Clock and Calendar IC, which can be configured and synchronized from the Host PC.
  • Besides enunciation on the PC screen, each DI module will provide LED Status indication, locally on the RTU Sub Rack Rear Panel.
  • RTU is constructed in a standard 19”, 3U [138 mm Height], 250 mm [depth] Sub Rack unit with its own power conditioning operating under external 24V DC Supply [Not included in the scope of supply].
  • All inputs are driven by 24V DC isolated Supply with 2.0mA nominal load.
  • Inputs will be filtered by a 3.0mS settling Analog filter, an Opto Isolator [Isolation 1500V DC], a +15V logic Schmitt Trigger circuit and a logic level translator for TTL processing.
  • The RTUs communicate between them through optically isolated current loop, logic signals to perform function like signalling start of “Event” and “Master Reset” etc.
  • Event Records are stored in the Microprocessor’s non-volatile memory and are retrieved by the supervisory computer under a software package developed by Core Technologies.
  • The serial communication command set includes Clock Synchronization, Status log on demand or periodic log at predefined intervals, clear data and setup operation.
  • Raw data files from different RTUs are merged and arranged to generate a composite Event Sequence Record.
  • The software provides for archival and retrieval of old data from the hard disk using dedicated screens operating under Windows 98/2000/ME
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