12/1/2020 4:05 PM | |
Joined: 9/27/2006 Last visit: 4/30/2024 Posts: 12257 Rating: (2666) |
Hello Smma; Which CPU model do you have on the ET 200S rack? This would be important to know, and the software used to program it (Simatic Manager or TIA Portal). For the S7-1500, you could install either a CM 1542-5 or a CP 1542-5 module for Profibus-DP communications, and connect the 2 CPUs with your existinng Profibus cable and connectors. For a distance of 300 m you would have to set the Profibus bus speed at 500 kB. For Profibus-DP exchanges between 2 CPUs, there must be one master and one slave (a CPU vcan act as an I-Slave). You should determine which one is master, since the master initiates all communications and reads/writes to the slave. Here is an example you could follow, if it fits with what you want to do: How do you connect the communication module CM 1542-5 or the communications processor CP 1542-5 as I slave in STEP 7 V5.x to an S7-300/S7-400 CPU https://support.industry.siemens.com/cs/ww/en/view/109744337 Tell us more about your project and we can provide more suggestions. Hoep this helps, Daniel Chartier |
Follow us on