DP-V0 communication
45
PPO message types
Figure 6. PPO message types
Type 1
Type 2
Type 3
Type 4
Type 5
Parameter Process data
CW REF PZD3PZD4PZD5PZD6PZD7PZD8PZD9
PZD10
VALUEIND
identification
PZD3SW ACT PZD4 PZD5 PZD6 PZD7 PZD8 PZD9
PZD10
Fixed area Freely mappable area
DW1.1 DW1.2 DW1.3 DW3.1 DW3.2 DW3.3 DW5.1 DW5.2 DW5.3 DW7.1
DW2.1 DW2.2 DW2.3 DW4.1 DW4.2 DW4.3 DW6.1 DW6.2 DW6.3 DW8.1
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 (see Table 7.)
SW – Status Word (see Table 8.)
REF – Reference
ACT – Actual Value
PZD – Process Data (application-specific)
DW – Data Word
OUT area
IN area
ID IND VALUE
PKW
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