Festo Controller CECC
16
3.5.5 RS232 interfaces X12 and X13 (CECC-S)
The controller CECC-S has two RS232 interfaces.
3
Serial interface RS232-1 X12
4
Serial interface RS232-2 X13
Figure: CECC-S, top manifold rail with RS232 interfaces
Pin Signal Comment
X12 ... X13.1 G Data reference potential
X12 ... X13.2 TX Transmitted data
X12 ... X13.3 RX Received data
X12 ... X13.4 S Screen, connection to functional earth