Profibus Slave Configuration - CI854A
How many Profibus Slave Nodes can be configured using CI 854A as a Master, If Baud rate is 1.5 MBpS and Total Network Leght is about 200 Meters?
No repeters used in the system.
Exisitng No of Nodes are 25 and we wanted add 4 More, Is it possible? If Both port are indepedently used what is the limit of No of slaves per port?
Up to 32 nodes (master and slaves) can be grouped in a single segment. When using more than 32 nodes, several segments linked to each other through repeaters (power amplifiers) are needed.
For more detail, please see AC 800M PROFIBUS DP Installation. You cna find it below link:
Hope it helps you.
The lenght of Profibus-DP network is conversely propocional to the baudrate. With 1.5 Mbp/s the maximum lenght you can use without interferences is 200 Meters, so if the network you commented really exist you are working very close of the limit.
I think in this case you can work with the network in 500 kbp/s .
If you are not use repeatears, you have only 2 segments, so you can configure the maximum of 64 devices, 32 per segment.