26
.9.20
1
3
44
AS-i 3.0 PROFIBUS Gateway in Stainless Steel
PROFIBUS DP
10.1.1.2
Diagnostic description for VBG-PB-K20-D-EV1, VBG-PB-K20-DMD-EV1,
VBG-PB-K20-D-EV
The following blocks may be optionally appended to the DP diagnostics. Bytes
1 … 4 are sent in each block according to the PROFIBUS standard.
Only when double masters are used is the entry „circuit 2“ available in the AS-i
flags, delta list and LPF.
DP diagnostics
Byte
description
1
station state 1
2
station state 2
3
station state 3
4
Master address
5
ident high
6
ident low
Tab. 10-4.
AS-i flags
Byte
description
1
0x06 header
2
0xA0 (circuit 1)/0xA1 (circuit 2) type
3
0x00 slot
4
0x00 spec
5
EC flags (high)
6
EC flags (low)
Tab. 10-5.
Delta list
Byte
description
1
0x0C header
2
0xA2 (circuit 1)/0xA3 (circuit 2) type
3
0x00 slot
4
0x00 spec
5
delta (0 … 7)
6
delta (8 … 15)
Tab. 10-6.
