24
Festo — CPX-4AE-4AA-H — 2021-06b
Commissioning
2
HART actuator: passive
Power supply for the HART actuator, HART communication and setpoint in the same circuit
6.5.5
4-wire connection of active HART actuators
1
2
3
Fig. 16: 4-wire connection of an active HART actuator
1
HART output module: passive
2
HART actuator: active
3
Auxiliary energy
Power supply for the HART actuator via auxiliary energy
7
Commissioning
7.1
Requirements for commissioning
–
DIL switches for the configuration of the analogue current channels are set
configuration of the analogue current channels (DIL switches).
–
The analogue module is completely installed into terminal CPX and connected.
7.2
Process image and address space allocation
For each terminal CPX, 64 bytes are available for the cyclic data exchange of the inputs and outputs.
Variant
I/O
Content of bytes
1)
Address
space allo-
cation
7
6
5
4
3
2
1
0
4AE-H
Input
IW CH3
IW CH2
IW CH1
IW CH0
8 bytes
Output
–
–
–
–
0 bytes
3AE1AA-H
Input
–
IW CH2
IW CH1
IW CH0
6 bytes
Output
–
–
–
SW CH3
2 bytes
2AE2AA-H
Input
–
–
IW CH1
IW CH0
4 bytes
Output
–
–
SW CH3
SW CH2
4 bytes
