Process Data; Stw1 - Control Word (Ctrlw) - Siemens SIDOOR ATD4 W Series System Manual

A.1.2

Process data

Telegrams
The type of telegram on the drive side defines which process data is to be transferred between
master and slave.
From the point of view of the slave, there are receive words and send words.
The receive and send words comprise the following elements:
• Receive words: Control words or setpoints
• Send words: Status words or actual values
Telegram type used
The supported telegram type is specific to the manufacturer, and structured according to
internal company specifications. The internal process data connections are set automatically by
the system.
Process data
The desired scope of the process data can be configured with parameter p2022 (number of
PZDs). The assignment order is not additionally configurable.
The table below describes the structure of the process data and its subdivision into:
• Control word (STW) – status word (ZSW)
• Technology control words (TSW) – technology status words (TZW)
Table A-12 Overview of process data
PZD 1
Master → STW1
slave (Page 317)
Slave → ZSW1
master (Page 321)
A.1.2.1

STW1 - control word (CtrlW)

Control word -1 (STW1) is identical to the specification in the PROFIBUS profile "Variable-speed
drives".
Bits 0 to 10 correspond exactly to the specifications for the PROFIBUS profile "Variable-speed
drives". The use and non-use of specific bits is marked accordingly.
ATD4xxW for industrial applications
System Manual, 06/2022, A5E51901827B AA
2 3
TSW0 TSW1
(Page 319) (Page 319)
TZW0 TZW1
(Page 322) (Page 323)
4 5
TSW2 Reserved
(Page 320)
TZW2 TZW3
(Page 325) (Page 327)
A.1 Structure of user data/process data
6 7
Reserved Reserved
TZW4 TZW5
Appendices
16
...
Reserved
Reserved
317