Siemens SIMATIC ET 200S - Structure of the Channel Diagnostics for the ET 200 S with the IM151-3 PN

Commissioning and Diagnostics
6-69
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Channel diagnostics
The channel diagnostics for the ET 200S with the IM151-3 PN are structured as
follows:
Bit no.
Bits2and3
Bits4and5
Error type:
(see Table 6-12 to 6-23)
Bits0and1
Byte 6
Byte 7
Bits8and9
0123456789101112131415
Slot numbers
Bit no.
0123456789101112131415
Submodule slot number
Bit no.0123456789101112131415
Channel number
Bit no.
01234567
000
ReservedChannel type:
000
B
: reserved
001
B
: input channel
010
B
: output channel
011
B
: input/output
channel
Error type:
00
B
reserved
01
B
: coming error
10
B
: going error
11
B
: going error, additional errors on the channel
Bit no.
01234567
000
Reserved Data format:
000
B
Free data format
001
B
:Bit
010
B
:2Bit
011
B
:4Bit
100
B
:Byte
101
B
:Word
110
B
:2words
111
B
:4words
00
Bit no.
0123456789101112131415
Device diagnosis
available
Figure 6-37 Structure of the channel diagnostics for the ET 200S with the IM151-3 PN