Balluff BIS M-370-000-A02, Manual, Page: 164 / 198

PROFIBUS INTERFACE
157
9
When the Slave sees Bit 1 of the OBCB & OBDBC toggle, it grabs this command fragment
from the Output Buffer. The Slave then acknowledges the command fragment by toggling Bit
1 of the IBCB & IBDCB .
(See the
Green changes below)
Output Buffer Input Buffer
Byte # Value Byte # Value
00:
88 Output Buffer Control Byte
(OBCB)
7 6 5 4 3 2 1 0
[1] [0] [0] [0] [1] [0] [0] [0]
00
80
Input Buffer Control Byte
(IBCB)
7 6 5 4 3 2 1 0
[1] [0] [0] [0] [0] [0]
[0] [0]
01: 00 (Always 0) 01: 00
02: 1C (Packet length in bytes) 02: 00
03:
04:
05:
06:
07:
08:
09:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30: 57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84 (CBx Command Data Byte 17)
(CBx Command Data Byte 18)
(CBx Command Data Byte 19)
(CBx Command Data Byte 20)
(CBx Command Data Byte 21)
(CBx Command Data Byte 22)
(CBx Command Data Byte 23)
(CBx Command Data Byte 24)
(CBx Command Data Byte 25)
(CBx Command Data Byte 26)
(CBx Command Data Byte 27)
(CBx Command Data Byte 28)
(CBx Command Data Byte 29)
(CBx Command Data Byte 30)
(CBx Command Data Byte 31)
(CBx Command Data Byte 32)
(CBx Command Data Byte 33)
(CBx Command Data Byte 34)
(CBx Command Data Byte 35)
(CBx Command Data Byte 36)
(CBx Command Data Byte 37)
(CBx Command Data Byte 38)
(CBx Command Data Byte 39)
(CBx Command Data Byte 40)
(CBx Command Data Byte 41)
(CBx Command Data Byte 42)
(CBx Command Data Byte 43)
(CBx Command Data Byte 44) 03:
04:
05:
06:
07:
08:
09:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
..
30: 00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
..
00
31: 88 Data Consistency Byte (OBDCB) 31: 80 Data Consistency Byte (IBDCB)