Pilz PSSu H SB IBSo - Manual (Page 34)

7.3 Diagnostic bytes
7 Operation
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7.3.4 Structure and contents of the module byte (Byte 3)
Structure and contents of the module byte (Byte 3) 7- ][BA_Betrieb ST-Bus Modul-Bytes
Diagnostic value Description
0 No diagnostic value available
1 Short circuit
2 Undervoltage error (supply voltage modules)
3 Overvoltage error (supply voltage modules)
4 Overload
5 Temperature error: Too warm
6 Open circuit
7 Input value greater than limit value 2 (limit value monitoring, analogue modules)
8 Input value less than limit value 1 (limit value monitoring, analogue modules)
9 General module error
10 Reserved
11 Reserved
12 Reserved
13 Reserved
14 Reserved
15 Reserved
16 Protocol error
17 Error in the local enable principle (FS output modules)
18 Error in the parameter setup
19 Value below the lower limit value (range monitoring, analogue modules)
20 Value exceeds the upper limit value (range monitoring, analogue modules)
21 Configuration error
22-255 Not defined