H4-CV22A re the most successful and widespread standard ge Helical gear reducers H4

Flender/Flender Gear Units/Helical gear reducers H4

he electronic components installed in the pane ) and the protections used against vibrations. ) Environmental compatibili ty tests on electronic equipment. .1.6 Functional Testing Functional testing shall include he simulation of each input nd output to verify proper system response for both analog and discrete signals. The testing, minimum, shall include: .1.6.1 Complete system configuration loading. .1.6.2 Demonstration of all controller functions from local well as from central level .. changing of tuning consultants, loop tuning, checking of algorithm unctions, changing algorithms, changing controller mode, changing controller action etc. .1.6.3 Checking of scan time valu es for controllers and data acquisition sub-system. .1.6.4 Checking of loop configuration fo correctness with respect to ranges, limits, alarm points, engineering units etc. .1.6.5 Checking of all types of TFT displays including proces and system displays on Operator and ngineering and other console. .1.6.6 Checking of correct functions of keyboard operation fo Operator, Engineering and other console. .1.6.7 Checking of correct changeover of the back-up units in case of main units failure. Thi shall include: ) Uninterrupted controller operation shall be checked. The failed controller database, point record, input and output etc. shall be transferred to back up controller without any interruption. The same shall be repeated for transfer 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 back from back up controller to the main controller card. Maximum transfer time shall not exceed the specific value. The test shall be rep eated foe controller cards. ) Uninterrupted auto