Profibus Dp; Dp Telegrams; Diagnosis - Pepperl+Fuchs VBG-PB-K25 Manual

7

PROFIBUS DP

This chapter contains all necessary information to operate the AS-i/PROFIBUS
gateways in a PROFIBUS DP network.
The respective bits ground fault, overvoltage, noise, double address will
only be set if AS-i masters are used, which also support these functions.
7.1

DP Telegrams

7.1.1

Diagnosis

PDU byte
1
2
3
4
5
6
7
8
9
10
11
12
13
14
...
20
21
...
28
ec-flags (high):
Bit 0:
Bit 1 ... Bit 2 reserved
Bit 3:
Bit 4:
Bit 5:
Bit 6:
Bit 7:
Subject to reasonable modifications due to technical advances.
18
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DP Diagnosis - Single Master
user byte
– station_status 1
– station_status 2
– station_status 3
– master address
– ident high
– ident low
1 header
2 type
3 slot
4 spec
5 ec-flags (high)
6 ec-flags (low)
7 delta (0...7)
8 delta (8...15)
... ...
14 delta (56...63)
15 LPF (0...7)
... ...
22 LPF (56 ... 63)
periphery fault
failure redundant 24 V
earth fault
over voltage
noise
duplicate address
AS-Interface
PROFIBUS DP
DP DP V1 user
4
4
4
4
4
4
4 4
4
4
4
4
4
4
4
...
4
4
...
4
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