Leuze electronic MSI 400 Series Manual page 22

Byte address
Value
Meaning
The first relevant byte for the module 2 error described above is module state byte 0 for module 2. This is
byte 11 with the hexadecimal value FB (1111 1011):
Bit #
Value
This corresponds to the error message "Summary of bits 0.5 to 0.7 (external error)", byte 0, bit 2 in the fol-
lowing table: "Meaning of module state bits of the secure I/O modules" [chapter 3.3.5]
The second relevant byte is the module state byte 3 for module 2. This is byte 08 with the hexadecimal
value EF (1110 1111):
Bit #
Value
This corresponds to the error message "Short circuit monitoring of output 3, short circuit after high", byte 3,
bit 4 in the following table: "Meaning of module state bits of the secure I/O modules" [chapter 3.3.5]
NOTICE
i
Ä Reserved (for future use) = static 1 (no state change)
Ä Not used (can be 0 or 1 ), both values occur.
Ä If there is no module, all values - including the reserved values - are set to logical 1.
Leuze electronic
00 01 02 03
... 11
FF FF FF FF
Status of controller mod-
ule
7 6
1 1
7 6
1 1
04 05 06 07
12 13 14 15
FF FF FF FF
Status of module 1 (MSI-
EM-IO84)
5 4
1 1
5 4
1 0
MSI 400
Product description
08 09 10 11
16 17 18 19
EF FF FF FB
FB EF
State of module 2 (MSI-
EM-IO84)
3 2 1
1 0 1
3 2 1
1 1 1
...
...
...
0
1
0
1
22