Bids Are Invited For Basic Data:Minimum 1 Gb Internal Memory, Ip40 & Above In Installed Condition, Minimum Input Channel - 16- Input For Voltage & Current, Minimum (4/8) -Output Channel For Mointoring & Alarm Activation. Voltage Inputs Accuracy < 0.1 %,, Bastar-Chhattisgarh

Bids Are Invited For Basic Data:Minimum 1 GB internal memory, IP40 & Above in installed condition, Minimum Input channel - 16- Input for voltage & current, Minimum (4/8) -Output channel for mointoring & alarm activation. voltage inputs Accuracy < 0.1 %, recorder, sampling rate:25.6 Khz@50Hz i.e. 512 samples per cycle, Powerful recorder triggering , Online streaming of voltages and currents, at 25.6 kHz sampling rate.Communication Protocols:MODBUS RTU – MODBUS TCP/Serial and TCP IP protocols /61850/ Any other . Time synchronisation protocols : The recording system accepts GPS time synchronization signals from any standard GPS master clocks with IRIG-B ports. Interfaces: RS232/RS485 on terminals/RJ45 (10/100 Mbit)/USB, Auxiliary power supply rating standard auxiliary voltage ranges from 48V - 250V DC or AC Supply of100 - 265V AC, Software for communication : following basic functions (Minimum) : a). 32-bit/64-bit Windows program interface, b). Database for saving the measured values per measuring point, c) Data access facility, d) Visualization option for all measured variables retrievable , e) Automatic reporting, F) Automatic export functions and fault report transmission g) One additional workstation license for one Windows user & One printer to be included. Ambient temperature :for operation(-25 to +55) deg cent., Relative humidity: 5...95 %, Analog and Digital Input Sampling Rate:Minimum 256 Samples/cycle (12.8KHz) & Minimum 512 Samples/Cycle (25.6 KHz)., Application: For 220kv switchyard. Additional features: System Healthy indication, High and low magnitude level trigger For each input channel,(HIGH/LOW) state change triggers. Pre fault & post fault recording length with user configurable,Trend recording up to one hour interval , with a Minimum 90 day analog measurement trend log . All recorder channels and calculated values available for trending.The Recorders with provision for long term Continuous Recording analog channels. Sampling rate for continuous recording shall be programmable from 5 to 50 records per second per channel. With the Continuous s Recording facility shall record the data continuously (without setting the triggers) for user selectable inputs. Total Quantity : 2

Sr No	CorrigendumDate	Corrigendum	CorrigendumType	NewSubmissionDate
1	01-08-2024			09-08-2024
2	05-09-2024			20-09-2024
3	13-08-2024			31-08-2024
4	17-07-2024			31-07-2024

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