Answer / samer al-essa

I think the serial link it just general word, the MODBUS is
a protocol only which was developed by MODICON for their
own PLC, then it become a open stander for the open
communication

Answer / nitin

Modbus allows for communication between many devices
connected to the same network, for example a system that
measures temperature and humidity and communicates the
results to a computer. Modbus is often used to connect a
supervisory computer with a remote terminal unit (RTU) in
supervisory control and data acquisition (SCADA) systems.

hello dear i have faced problem in drum level transmitter. the problem is when i engrize the meter meter shows 100% but the actual level 40 or something plz suggest me

7 Answers  

---

what is the conductivity sensor output formula and what is the ph sensor output formula?

1 Answers  

---

how we can calibrate level transmiiter in field?

6 Answers  

---

why we connect digital multimeter in series for dc current measurement and parallel for dc voltage measurement.

4 Answers  

---

why relays are used with plc?

4 Answers  

---

What is safety barrier and how it is work

2 Answers   IOCL,

---

what is seebeck effect?

7 Answers  

---

Flame scanner

1 Answers  

---

What are different types of orifice plates? State their uses.

0 Answers  

---

ALL INSTRUMENTS WORKING PRINCIPLE.

3 Answers   Blanco, India Cements, TVS,

---

How to change dcs card in online. (Dsc is maxdna)

3 Answers  

---

procedure to commission a drum level transmitter

1 Answers  

---