ize Backstop size or larger Flender GmbH Fl B3-SV-19-A Bevel-helical gear unit B3

Flender/Flender Gear Units/Bevel-helical gear unit B3

oints status change shall be reported and time tagged within one (0) millis econd of their occurrence. 1 of 1 INDRADHANUSH GAS GRID LIMITED TECHNICAL SPECIFICATION FOR NATURAL GAS COMPRESSOR STATION FOR NORTH EAST GAS GRID PIPELINE PROJECT TS NO.: MEC//2UU/0/2/0 Control & Instru mentation (&) Chapter-0.0 2, MECON Limited, All Right Reserved Page 1 of 1 The SER system shall be based on redundant processor / controllers and it shall be ensured that not more than 3 channels are used per input ca rd / module. Redundant power supply packs / modules shall be provided for co ntract interrogation supply and power upply to the processors / controllers and inputs modules. Input card shall be equipped with digital filters with filter elay of minimum 4 millisecond (identical for all po ints) to eliminate contact bounce such that field contact which is changing state mu st remain in the new state fo successful 4 millisecond to be repor ted as one event. The start of data collection for SOE report shall be reported OWS within 1 second of SOE data collection initiation. Facility shall be provided to identify bad inputs (like chatter ing) and make them off scan. It shall also be possible to modify data base, hange points identification descri ption, and get SOE reports print out from dedicated SER VDU / Keyboard. The system shall also include pro vision for historical storage and retrieval of SOE report for one (0) month period. The SOE report collection shall being on occurrence of change status of any SOE point and shall be printed after an operator selectable int erval of 1 to 3 minute or 1 status changes have taken place after the first vent. Adequate memory to accommodate two SOE reports .. two buffers of 1 tatus changes each shall be provided. Th ird SOE report shall overlap the first SOE report memory and so on. It shall be preferred to have SER system from the same family of PLC using SOE inp