What is purpose to use relay after digital output module? Why normally we don't use relay for digital input module?

3 Answers   Siemens, Sofcon,

---

reversing of each word in the string

0 Answers  

---

can you give me the solution of iiie

0 Answers   NIIT,

---

what is a benifit to configure site to site vpn ?

0 Answers  

---

What is industrial engineering? How important are statistics in industrial engineering?

0 Answers  

---

---

what is difference between a NPN & PNP sensor?

0 Answers   Samtel,

---

what is mean pumps?

1 Answers  

---

what is bearing and how manytype of bearing

1 Answers  

---

i gotadmission in southeast missouri state universit ive got scholarship too my gre is 860 and ielts 6.0 bands and B.E 59.3% with 5 backlogs what are chances that i get visa????/

0 Answers  

---

why we give dedusting steam in feed gas coils in convection section of primary reformer?

0 Answers  

---

What is operation time?

0 Answers  

---

Why cnc machine installed in dustproof room?

0 Answers  

---