H4-CV28A usings are extremely rugged and can be flexibly u Helical gear Reduction Box H4

Flender/Flender Gear Units/Helical gear Reduction Box H4

he sequence of their occurrence and shall disappear rom display only when they are acknowledged and cleared. The alar display shall list the foll owing for each alarm as minimum: . The date and time of occurrence ii. Point identification (.. tag number) iii. Point Description iv. Type of alarm (absolute value of deviation)] ) The system shall be able to display on alarm summary minimum of 2 alarms. ) Alarm shall be listed in the form list like current, list , li st II etc. The minimum number of alarm per list shall be 2. . Alarm History . The history of alarm conditions hall be maintained in the data base for alarm history display and printe on shift basis for the parame ters to be specified during detail engineeri . out shall list the following for each alarm as minimum. . The data & time of occurrence ii. Point identification (.. tag number) iii. Point description iv. Type of alarm (absolute value of deviation) . Time of acknowledgement vi. Time of return to normal vii. Serial number of alarm in the sequence of occurrence. . lay and print out alarm history minimum 5 alarms. 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 . Alarms shall be listed in the form of alarm lists , list III etc. The minimum number of alarm poi nts per list shall be 2. . Historical system shall have aut omatic off loading of history ata after certain defined period to DVD/ suitable storage media. . System Area . System shall have capacity of on-line diagnostics. . Any abnormal conditions in any sub-system or in any other funct ion device shall be displayed as syst em alarm message on the operat or console irrespective of the display sel