What is the cable used for PROFIBUS?
For Profibus networks a shielded AWG 22 or 0.34 mm² twisted pair cable is used. The standard isolation color of a Profibus DP cable is purple, and the two wires in the twisted pair are usually green and red.
How many variants are there for PROFIBUS DP?
PROFIBUS has two variants: PROFIBUS DP and PROFIBUS PA.
What is PROFIBUS DP?
Profibus DP is a protocol made for (deterministic) communication between Profibus masters and their remote I/O slaves. PROFIBUS DP (Decentralised Peripherals) is used to operate sensors and actuators via a centralised controller in production (factory) automation applications.
What is difference between PROFIBUS DP and PA?
PROFIBUS PA is a variant of PROFIBUS DP that is specially designed for improvement and replacement of conventional systems such as 4-20 mA and HART in process automation. In contrast to PROFIBUS DP, data and power supply are transported over the same two wires and there is an explosion proof option available.
Is PROFIBUS RS-485?
What is Profibus DP? The PROFIBUS DP network was developed as a quick solution based on an RS485 physical layer and the European standard EN-50170. The physical layer does not have to be copper – you can also have wireless or fiber optics.
What is PA and DP?
There are two flavors of PROFIBUS: PROFIBUS Decentralized Peripherals (DP) and Process Automation (PA). Each type targets different applications. PROFIBUS PA is used in process automation. Even though a different physical layer is employed, PROFIBUS PA is the same protocol as PROFIBUS DP.
Is PROFIBUS RS485?
How do you measure PROFIBUS voltage?
Both the slave and master PROFIBUS DP test specifications state that the differential voltage between A- and B-lines shall be a minimum of 4 V and a maximum of 7 V. The signals of the A- and B-line are measured against DGND. The difference of the amplitudes shall be less than 0.5 V.
What is PROFIBUS DPV1?
DPV1: Acyclic Data Exchange, Process Alarm Handling (process automation) DPV2: Clock Synchronization & Time Stamp (drives) It’s important to note that the versions build one on the other and are interoperable and backward compatible.
What voltage is PROFIBUS?
3.1 Equipment combinations The reference design of PROFIBUS is based on 5V. In special cases, 3.3V is used when it is installed in a dangerous place. Except in special cases, the PROFIBUS termination resistors are designed with a 5V reference. The advantage of PROFIBUS is that it can be connected to various facilities.
Is PROFIBUS DP RS485?
What is DP in Siemens PLC?
DP stands for “Decentralized Peripherals”