User Manual

Communication via PROFIBUS and PROFINET
3.2 PROFIDRIVE profile - Acyclic communication
Fieldbuses
42 Function Manual, 04/2018, FW V4.7 SP10, A5E34229197B AE
3.2
PROFIDRIVE profile - Acyclic communication
The inverter supports the following types of acyclic communication:
● For PROFIBUS:
acyclic communication via data set 47
● For PROFINET:
acyclic communication via B02E hex and B02F hex
The maximum data length per request is 240 bytes.
Note
Values in italics
Values in italics in the following tables mean that you have to adjust these values for a
specific request.
Reading parameter values
Table 3- 7 Request to read parameters
Data block
Byte n
Bytes n + 1
n
Header
Reference 00 hex ... FF hex
01 hex: Read job
0
01 hex
(ID of drive objects, at G120 al-
ways = 1)
Number of parameters (m)
2
Address, parameter 1
Attribute
10 hex:
Parameter value
20 hex: Parameter description
Number of the indices
00 hex ... EA hex
(For parameters without index: 00 hex)
4
Parameter number 0001 hex ... FFFF hex
6
Number of the 1st index
0000 hex ... FFFF hex
(for parameters without index: 0000 hex)
8
…
…
Address, parameter 2
…
…
…
…
…
Address, parameter m
…
…