B-8
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Bytes 2 to 7
Byte 2
76 0
Scan time-out
54321
0
Byte 3
76 054321
Byte 4
76 054321
Byte 5
70
Channel type
79
H
: SM POS-INPUT
Number of diagnostics bits that the module
outputs per channel: 8 bits long
Byte 6
70
Number of channels of the same
type in one module: 3 channels
Byte 7
76 0
Channel error, channel 0
Channel error, channel 1
Channel error, channel 2
54321
Not relevant
0
00000
Figure B-9 Bytes 2 and 7 of the Diagnostic Data for the SM 338; POS-INPUT
Bytes 8 to 10
From byte 8 up to byte 10, data record 1 contains the channel-specific diagnostic
data. The figure below shows the assignment of the diagnostic byte for a channel
of the SM 338; POS-INPUT.
76 054321
00
Configuration/parameterization error
(internal channel error)
Encoder error (external channel error)
0000
Figure B-10 Diagnostic Byte for a Channel of the SM 338; POS-INPUT
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