Uss Process Data Channel (Pzd) - Siemens SINAMICS G120 CU240B-2 Operating Instructions Manual

● Enter the offset of the parameter number in byte page index of word IND (2nd word):
● Enter the index of parameter in the byte subindex of word IND (2nd word):
● Enter a new parameter value in PWE1 (Word3):
● Drive Object: Enter bit 10 ... 15 in PWE2 (4th word):
● Index of the parameter: Enter bit 0 ... 9 in PWE2 (word4):
Table 6- 25 Request to change p0840[1]
PKE (1st word)
AK PNU:
15 ... 12 11 10 ... 0
0x7 0 0x348
(dec: 840)
6.4.2.7

USS process data channel (PZD)

Description
Process data (PZD) is exchanged between the master and slave in this telegram range.
Depending on the direction of transfer, the process data channel contains request data for
the slave or response data to the master. The request contains control words and setpoints
for the slaves, while the response contains status words and actual values for the master.
Figure 6-16
Inverter with CU240B-2 and CU240E-2 Control Units
Operating Instructions, 07/2010, FW 4.3.2, A5E02299792B AA
in this example = 0.
for this example = 1 (CDS1)
in the example 722 = 2D2H.
for SINAMICS G120, always 63 = 3FH
in example 2.
IND (2nd word)
Page index Subindex
(H byte)
15 ... 8
0x0000
Process data channel
PWE1(H word)
(L byte)
7 ... 0 15 ... 0
0x01 0x2D2
(dec: 722)
Connection to a fieldbus
6.4 Communication via RS485
PWE (3rd and 4th words)
PWE2(L word)
Drive
Object
15 ... 10
3F
(fixed)
(dec: 66)
9 ... 0
0x0002
141