Time: 7/25/2017 3:18:27 PM

Hello, eve. CJ1H-CPU67H I CJ1H-CPU67H have a question about choosing an extension module. I need to ask you all.
Now there is a project that needs this type of selection.
CP1H-XA40DR-A + CP1W-40EDR (4) + CP1W-16ER + CPM1A-AD041, and then there are already 2 RS232 interfaces on the body. You need one more one now. What module should I add? The key is to add a RS232