Hart Variables - Festo CPX-4AE-4AA-H Operating Instructions Manual

Commissioning
Variant I/O
1AE3AA-H Input
Output
4AA-H Input
Output
1) IW CH0 = actual value of channel 0 (input), SW CH1 = setpoint value of channel 1 (output), etc.
Tab. 13: Process image for variants without HART variables
Variant I/O
4AE-H Input
+ 4HV
Output
3AE1AA-H Input
+ 4HV
Output
2AE2AA-H Input
+ 4HV
Output
1AE3AA-H Input
+ 4HV
Output
4AA-H Input
Output
1) IW CH0 = actual value of channel 0 (input), SW CH1 = setpoint value of channel 1 (output), etc.; HV= HART variable
Tab. 14: Process image for variants with HART variables
7.3

HART variables

The process image can be extended with a total of 4 HART variables è Tab. 14 Process image for
variants with HART variables.
– Quantity per HART variable: 4 bytes
– Data format: 16-bit value
Festo — CPX-4AE-4AA-H — 2021-06b
1)
Content of bytes
7 6 5
– –
– SW CH3
– –
SW CH3 SW CH2
1)
Content of bytes
22 20 18 16 14
23 21 19 17 15
HV4 HV3 HV2
– – –
– HV4 HV3
– – –
– HV4 HV3
– – –
– HV4
– –
– HV4
– –
4 3 2
–
SW CH2
–
SW CH1
12 10 8 6 4
13 11 9 7 5
HV1 IW IW
CH3 CH2
– –
HV2 HV1 IW
CH2
– – –
HV2 HV1
– –
HV3 HV2 HV1
– – SW
CH3
HV3 HV2
– SW SW
CH3 CH2
Address
space allo-
1 0
cation
IW CH0 2 bytes
SW CH1 6 bytes
– 0 bytes
SW CH0 8 bytes
Address
space
2 0
allocation
3 1
IW IW 24 bytes
CH1 CH0
– 0 bytes
IW IW 22 bytes
CH1 CH0
SW 2 bytes
CH3
IW IW 20 bytes
CH1 CH0
SW SW 4 bytes
CH3 CH2
IW 18 bytes
CH0
SW SW 6 bytes
CH2 CH1
HV1 16 bytes
SW SW 8 bytes
CH1 CH0
25