I/O System S900
Communication Interface for PROFIBUS DP, CI920
3BDD010422R0101
39
Status diagnostics
The module status is indicated with two bits per slot (module). Channel errors
are ignored.
Table 4-7 Status diagnostics
7..6
5..0
Octet 1
Header Length
00
001001 = 9
7..0
Octet 2
Header module status
0x82
Octet 3
Slot
0x00
7..2
1..0
Octet 4
Reserved identifier
00: no differentiation
01: status active
10: status not active
11: reserved
7..6
5..4
3..2
1..0
Octet 5
I/O module 3
I/O module 2
I/O module 1
CIPB status
00: data valid
01: module error
10: wrong module
11: missing module
00: data valid
01: module error
10: wrong module
11: missing module
00: data valid
01: module error
10: wrong module
11: missing module
00: red. CIPB ok
01: red. CIPB failure
10: reserved
11: red. CIPB missing
Octet 6
I/O module 7
I/O module 6
I/O module 5
I/O module 4
00: data valid
01: module error
10: wrong module
11: missing module
00: data valid
01: module error
10: wrong module
11: missing module
00: data valid
01: module error
10: wrong module
11: missing module
00: data valid
01: module error
10: wrong module
11: missing module
Octet 7
I/O module 11
I/O module 10
I/O module 9
I/O module 8
00: data valid
01: module error
10: wrong module
11: missing module
00: data valid
01: module error
10: wrong module
11: missing module
00: data valid
01: module error
10: wrong module
11: missing module
00: data valid
01: module error
10: wrong module
11: missing module
Octet 8
I/O module 15
I/O module 14
I/O module 13
I/O module 12
00: data valid
01: module error
10: wrong module
11: missing module
00: data valid
01: module error
10: wrong module
11: missing module
00: data valid
01: module error
10: wrong module
11: missing module
00: data valid
01: module error
10: wrong module
11: missing module