Programmable Field Bus Controller 750-833
•
91
Diagnostics
WAGO-I/O-SYSTEM 750
Bus System
3.9.1 Stations Status 1 to 3
see EN 50170
3.9.2 PROFIBUS DP Master Address
The PROFIBUS DP master address is located in byte 3 of the slave
diagnostics and contains the master address parameterized by the station and
to which it has write and read access.
3.9.3 Manufacturer
Identification
The manufacturer identification is located in bytes 4 and 5 and contains a 16
bit code, intended for the identification of the device or the device class.
3.9.4 Identification based Diagnostics
The identification based diagnostics comprises of a bit field containing a bit
information for each connected module. The individual bit provides
information about the current operating status. A 0 means no fault, a 1
indicates a faulty module status. The controller can be fitted with up to 63
modules, so that the identification based diagnostics including header covers 9
bytes from byte 6 to byte 14.
Byte
Information
Description
6
0 1 0 0 1 0 0 1 Header
byte
(9 byte identification based diagnostics
incl. header)
7
7 6 5 4 3 2 1 0 Diagnostics
allocation
to
8
15 14 13 12 11 10 9 8
Field
bus
controller
(n
=
0)
9
23 22 21 20 19 18 17 16
I/O
module
n
(n
=
1
...
63)
10
31 30 29 28 27 26 25 24
11
39 38 37 36 35 34 33 32
12
47 46 45 44 43 42 41 40
13
55 54 53 52 51 50 49 48
14
63 62 61 60 59 58 57 56