Controllers
6.11 Structure of user data/process data
AT40, ATD400V, ATD400K, ATD4xxW, ATD400S, ATE250S, ATD400T
204
System Manual, 06/2016, A2B00096162-AN
6.11.2
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 6- 70 Overview of process data
PZD
1
2
3
4
5
6
7
…
16
Master →
slave
(Page 205)
(Page 206)
(Page 206)
(Page 207)
Reserved
Reserved
Reserved
Reserved
Slave →
master
(Page 208)
(Page 209)
(Page 210)
(Page 212)
(Page 213)
(Page 214)
(Page 214)
Reserved