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.

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.

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

Answer / atul

sink means sensor to module and source means o/p module to o/p devices(like as motor,...etc)

why power contactor using in DG set's neutral which is using as a stand by load during government electricity shutdown?

0 Answers   FAG,

---

why we use log files in QTP?

0 Answers  

---

what kind of thread is the garbage collection?

1 Answers   HCL,

---

WHAT IS SETUP TIME,OPERATION TIME

7 Answers   BDL, Goyal Group,

---

I am in search of PLC with Scan time less than 5ms with around IO's. Normally i feel its around 30ms. Can any one suggest?

2 Answers   HLL,

---

how to do various operation by pressing a single push button at least 2 operation?

5 Answers  

---

How to convert ht amps to LT amps.

1 Answers   Kikani,

---

we are using centum vp as monitoring with Dell precision work station T3600 but some times PC(s) are restarted automatically . how we can solve this problem? thanks

1 Answers   Yokogawa,

---

Share with us about a time when you had to present a proposal to a person of higher position and were able to do it successfully?

0 Answers  

---

What points should be kept in mind to build an effective organization?

0 Answers  

---

what is impeller clearance?

0 Answers  

---

What is the specification of transformer?

0 Answers  

---