Siemens SIMATIC ET 200S - Assignment in the Process Image of the Inputs with 4 DI NAMUR

Digital Electronic Modules
11-39
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Assignment in process image of inputs
The data are transferred to the process image in 2 byes (16 bits).
Byte 0
76 054321
Input signal for channel 0
Input signal for channel 1*
Input signal for channel 2
Input signal for channel 3*
Byte 1
Unassigned
Value status for channel 0
Value status for channel 1*
Value status for channel 2
Value status for channel 3*
* Channel not for encoder type changeover contact
Meaning 1: Signal valid
0: Signal invalid
Figure 11-10 Assignment in the process image of the inputs with 4DI NAMUR