Question { Emerson, 16270 }

What is SNMP Card Monitoring in UPS???

Answer

SNPM Card Monitoring in UPS is the technique used to
monitor & control the various parameters & trip(shutdown)
conditions in UPS from remote place through the network.

SNMP card communicates with rectifier/invertor control
cards in ups & Remote monitoring PC anywhere in the n/w.
UPS is having an IP address.SNMP card gives information
about various faults in UPS to the n/w.

Question { Wipro, 7004 }

What is Micro Controller and Micro Processor. What is the
difference between the two

Answer

Microprocessor has ALU, Address Bus, Data Bus, internal
Registers but it does not contain RAM,EEPROM,FLASH along
with peripherals like ADC,UART,CAN,RTC,PWM
Controller,USB,which is available on chip with Micro controller.

Question { 5112 }

what is CT?wat r the uses of CT?

Answer

CT i.e. Current Transformer, is used to sense the current
flowing through a conductor. Resister can be connected at
the secondary winding of CT, to get the voltage proportion
to the primary current. It can be used in the feed back
circuit to limit the current at the output.