Explain No & Nc concept used in allen bradley plc?
What is sink and sourse module?How you will use No,Nc
concept in sink and sourse module?
Answers were Sorted based on User's Feedback
Answer / abhaynath
NO=XIC(EXAMINE IF CLOSED)
NC=XIO(EXAMINE IF OPEN)
NO IS DIRECTLY PROPORTIONAL TO INPUT LOGIC.
NC IS COMPLIMENT OF INPUT LOGIC.
i.e.
IF I/P=0 THEN LOGIC OF NO IS ALSO LOW(0).
IF I/P=1 THEN LOGIC OF NO IS ALSO HIGH(1).
ON THE OTHER HAND
IF I/P=0 THEN LOGIC OF NC IS HIGH(1).
IF I/P=1 THEN LOGIC OF NC IS LOW(0).
SINK MODULE ACCEPTS THE SIGNAL COMMING FROM THE SENSORS.
i.e.SIGNAL FLOWS FROM SENSOR TO MODULE.
SOURCE MODULE SENDS THE SIGNAL TO THE SENSORS.
i.e.SIGNAL FLOWS FROM MODULE TO SENSOR.
| Is This Answer Correct ? | 31 Yes | 5 No |
Answer / shalini
If the module is source +ve signal is shared, it gets -ve
from outside.
If its sink type then -ve signal is shared, it gets +ve
from the external source
If senor is source type then card shud be of sink type.
If sensor is sink then I/O card shud be source type.
| Is This Answer Correct ? | 21 Yes | 3 No |
Answer / mahip kaushal
this ia a basic and the most imp one too
NO MEANS NORMAL OPEN
NC MEANS NORMAL CLOSED
AS THE NAME SUGGEST NO IS A STATE 0 OR OFF IT IS BASICALLY
USED AS SWICH FOR EXAMPLE WHEN WE PUT ONN ANY ELECTRICAL
EUIPMENT LIKE BULB WE FOR THE SWITCH TO ONN POSTION I.E WE
TAKE THE SWITCH FROM 0 TO POSTION 1, FALSE TO TRUE.LIKE WISE
NC OPPOSITE TO NC INTIALLY IT IS IN HIGH STATE ,WE BASICALLY
USE NC IN PROGRAMING TO CUT SUPPLY AS WE FORCE IT FROM 1 TO
0 STATE
| Is This Answer Correct ? | 17 Yes | 4 No |
Answer / atul
sink means sensor to module and source means o/p module to o/p devices(like as motor,...etc)
| Is This Answer Correct ? | 2 Yes | 2 No |
What causes little rust pockets to pop through or off concrete cylinder blocks (home)?
What is refrigeration cycle of HVAC .
what is differance between PLC system and DCS system Proggramming. Give me answer. Thanks.
pls sir can any body tell me the important questions of power plat operatoe my id is ali.ind85@yahoo.com plss
hoe to calculate Multi grade sand filter diameter,size and media qty. ?
How does pressure transmitter electronics sensor be used to transmit level measurement parameter?
what is difference between a scada ,dcs & hmi?
CHMER EDM MACHINE PRINTED CIRCUIT BOARD
How to calculate the CFM to TR? What is the Formula
WHAT IS THE FUNCTION OF BALANCE LEAK LINE IN BFP
how to differentiate a mpcb,mcb with contactors via working principle Explain the working principle of MPCB,MCB & Contactors
why we use log files in QTP?
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)