Commissioning and Diagnostics
5-6
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
2. The 8 channels of a EM 143-DESINA are to be parameterized as 5DIs +
3DOs. Of these, two DIs should have NC functionality. The remaining six
functional inputs are parameterized as diagnostics inputs.
Channel
7
Channel
6
Channel
5
Channel
4
channel
3
Channel
2
Channel
1
Channel
0
DI
(NC
contact)
DI DI
(NC
contact)
DI DI DO DO DO
The input/output assignment in the process image is thus:
76 54 3210 Bit
Byte 0 ND7 ND6 ND4 ND3
Byte 1
FI7
(NC)
FI6
(D)
FI5
(NC)
FI4
(D)
FI3
(D)
FI2
(D)
FI1
(D)
FI0
(D)
PII:
Byte 0 ND0ND1
Byte 1
PIO:
000000
00
0
0
0
FEn (D): Diagnostics input n
FEn (Ö): Input with NC functionality
ND5 000
ND200
The arrows indicate the permanent relationship between signal and diagnostics
input. This assignment has to be taken into account when the application is
programmed.
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