Defining The Process Data According To The Ppo Type - Siemens SIMODRIVE 611 universal Function Manual

5 Communications via PROFIBUS DP
5.6 Net data (PKW and PZD area)
5.6.6

Defining the process data according to the PPO type

Process data
in the closed–loop
speed–controlled
mode
Table 5-26 Process data in the closed–loop speed controlled mode
Master Slave
Control words
(setpoints)
Master Slave
Status words
(actual values)
PPO1
PPO2
PPO3
PPO4
PPO5
Abbreviations:
PPO Parameter Process data Object
PZD Process data
STW1 Control word 1
n–soll Speed setpoint
STW2 Control word 2
MomRed Torque reduction
DAU1 Analog output, terminal 75.x/15
DAU2 Analog output, terminal 16.x/15
5-270
The following process data is transferred in the speed–controlled mode
when using standard telegram 101, depending on the particular PPO
type:
PZD PZD PZD
1 2 3
1st 2nd 3rd
word word word
n– n–
STW
soll– soll–
1
h l
The control words are described in Chapter 5.6.2.
The status words are described in Chapter 5.6.3.
n–ist n–ist
ZSW
– –
1
h l
Note
Operation is also possible with the PPO types which cannot transfer all
process data (e.g. PPO1 and PPO3).
PPO type 3 is sufficient for closed–loop speed controlled operation
with a simple basic functionality (2 control and 2 status words).
SIMODRIVE 611 universal Description of Functions (FBU) – 04.05 Edition
PZD
PZD PZD PZD PZD
4 5 6 7
4th 5th 6th 7th
word word word word
STW Mom DAU DAU
2 Red 1 2
ZSW Meld ADU ADU
2 W 1 2
ZSW1 Status word 1
n–ist Speed actual value
ZSW2 Status word 2
MeldW Message word
ADU1 Analog input, terminal 56.x/14.x
ADU2 Analog input, terminal 24.x/20.x
Ausl Utilization
Pwirk Active power
Msoll Smoothed torque setpoint
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08.99
PZD PZD PZD
8 9 10
8th 9th 10th
word word word
Ausl Pwirk Msoll