Digital Modules
3-64
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Table 3-16 Structure of the data record for SM 322 DO 16 x UC 24/48 V
Data record 1
byte address
Available information Contents
0..3 System-specific diagnostics data 4 Bytes
4 Channel type 72h
5 Diagnosis length per channel in bytes 0
6 Number of channels 16
7 Channel error vector 0 byte per
channel
8..15 Channel-specific diagnostic data 0 byte per
channel
Table 3-17 shows the system diagnostics for module SM 322;
DO 16 x UC24/48 V.
Table 3-17 System diagnostics for SM 322 DO 16 x UC 24/48 V
System diagnosis byte 1:
Technical specification
D0: Module error Yes
D1: Internal malfunction Yes
D2: External malfunction Yes
D3: Channel error No
D4: External auxiliary supply missing Yes
D5: Front connector missing No
D6: Module not parameterized. Yes
D7: Wrong parameters Yes
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