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IC-KP-B6*
Communication in "IVI-B6" mode
Command single/auto/buffered read, read data length e.g. 8 words:
Two words are required to transfer the read command (command, command
parameter and data carrier word address), i.e. module "2 Words Output" is
sufficient.
Um die gelesenen Daten und die zwei Worte Statusdaten zu übertragen, sind
insgesamt 10 Worte erforderlich, d. h. Modul "10 Words Input" ist passend.
The following two chapters describe the structure of up to 16 data words for
communication from the DP master to the control interface and from the control
interface to the DP master.
4.2
Device identification/software version message for PROFIBUS
DP
The device identification and the software version are transferred via the DP
function "Device-Related Diagnostics".
This is structured as follows:
Byte
0
1
2
3
4
5
from 6
7 ... 12
13 ... 18
4.3
Communication direction: from PROFIBUS-DP to control
interface
The data that is transferred depends on the length of the selected output module.
Only the structure of the required words is shown in the following section. Valid
data is not allocated to any other words related to the selected module size.
Reading read only codes
Word 0
Commands and parameters
Bit no.
15
14
Description
B4
B3
The commands and command parameters are transferred in word 0.
Meaning
Station status 1
Station status 2
Station status 3
Master station number
Manufacturer code (high byte)
Manufacturer code (low byte)
Other slave-specific diagnostics (header byte, length of subsequent
entries)
"IVI-B6"
Software creation date of the bus system (DDMMYY)
13
12
11
10
9
B2
B1
DS
0
T2
8
7
6
5
4
T1
N4
N3
N2
N1
3
2
1
0
K3
K2
K1
T
15
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