ABB FPBA-01 PROFIBUS DP, User Manual

Page: 135 / 196

Communication protocol 135
Cyclical message types

PPO types
OUT area – Data sent from master to slave (control data)
IN area – Data sent from slave to master (actual data)
Parameter identification :
ID – Parameter identification
IND – Index for arrays
VALUE – Parameter value (Max. 4 bytes)
PKW – Parameter ID/value
Process data :
CW – Control word
SW – Status word
REF – Reference
ACT – Actual value
PZD – Process data (application-specific)
DW – Data word
Type 1
Type 2
Type 3
Type 4
Type 5
Parameter
Process data
CW REF PZD3 PZD4 PZD5
PZD6 PZD7
PZD8 PZD9 PZD10 VALUE IND
identification
PZD3
SW ACT
PZD4 PZD5
PZD6 PZD7
PZD8 PZD9 PZD10
Fixed area
Freely mappable area
OUT area
IN area
ID IND VALUE
Type 6
Pa
ra
m
et
er
ch
an
ne
l
DP-V0
DP-V0
DP-V0
DP-V1
DP-V1
DP-V1
PKW PZD
Type 7
PZD11
PZD11 PZD12
PZD12
Type 8
DP-V0
DP-V1