Festo CPX Series Manual page 20

3.2 Setting the DIL switches
DIL switch 1
DIL switch 1 is reserved. Leave the two switch elements of
DIL switch 1 at OFF.
CPX-CEC-...
Reserved
DIL switch 2
With the CPX-CEC-C1-V3/-M1-V3 you can switch the CAN
bus termination (120 Ω) on or off.
CPX-CEC-C1-V3/-M1-V3
Termination switched off
Termination switched on
All other switch positions are reserved.
On the CPX-CEC-S1-V3, DIL switch 2 has no function.
20
DIL switch 1
DIL switch 2
Festo CPX-CEC-Z6 1407b English
DIL 1.1: OFF
DIL 1.2: OFF
DIL 2.1: OFF
DIL 2.2: OFF
DIL 2.1: ON
DIL 2.2: OFF