Application Manual CDA3000
4-41
4  Application data sets
1
2
3
4
5
6
A
DE
EN
FR
Active functions in the preset
Function ASTER
BUS_1
BUS_2
BUS_3
Reference and control 
via PLC
Digital inputs and 
outputs readable and 
writable over the bus
Manual mode 
independent of bus
Limit switch evaluation
Table 4.20 Presets: Field bus operation
Aster Summary description Page reference
BUS_1 “Control via field bus (complete)” Page 4-42
BUS_2 “Additional emergency operation” Page 4-43
BUS_3
“Additional emergency operation with limit switch eva-
luation”
Page 4-45
Table 4.21 Page reference to summary description of BUS_x
11 12 13 14
15 16 17 18 19
20
12
34
56789
10
11 12 13 14
15 16 17 18 19
20
1234
56789
10
SPS/PLC
IN1
IN2
IN3
IN4
OUT1
OUT2
OUT3