Parker Compax3 Fluid T40

Parker EME
Communication
192-121102 N04 June 2008 359
Example: Changing the stiffness
Task:
Parameter / object change via PKW (DPV0)
The object "stiffness" will be set to 200%
Object stiffness: PNU 402.2; valid after VP
Format UNSIGNED 16 == 1 word == order identification = 2 == "Change parameter
value (word)"
The master sends to Compax3:
PLC - Compax3
Octet 1 Octet 2 Octet 3 Octet 4 Octet 5 Octet 6 Octet 7 Octet 8
PKE IND PWE
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Subindex - MSB LSB
AK PNU
2 0 402 3 0 200
0 0 1 0 0 0 0 1 1 0 0 1 0 0 1 0
0x21 0x92 0x3 0x0 0x0 0x0 0x0 0xC8
Compax3 responds with the same content, except with response identification = 1:
Compax3
- PLC
Octet 1 Octet 2 Octet 3 Octet 4 Octet 5 Octet 6 Octet 7 Octet 8
PKE IND PWE
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Subindex - MSB LSB
AK PNU
1 0 402 3 200
0 0 0 1 0 0 0 1 1 0 0 1 0 0 1 0
0x11 0x92 0x3 0x0 0x0 0x0 0x0 0xC8
If no additional object needs to be changed, the new value can be set to valid with
VP:
Object: Set objects to valid PNU 338.10 (because of DPV0, the
Subindex must be
incremented by 1
(see page 357))
PLC - Compax3
Octet 1 Octet 2 Octet 3 Octet 4 Octet 5 Octet 6 Octet 7 Octet 8
PKE IND PWE
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Subindex - MSB LSB
AK PNU
2 0 338 11 1
0 0 1 0 0 0 0 1 0 1 0 1 0 0 1 0
0x21 0x52 0xB 0x0 0x0 0x0 0x0 0x1
Compax3 responds with the same content, except with response identification = 1:
Compax3
- PLC
Octet 1 Octet 2 Octet 3 Octet 4 Octet 5 Octet 6 Octet 7 Octet 8
PKE IND PWE
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Subindex - MSB LSB
AK PNU
1 0 338 11 1
0 0 0 1 0 0 0 1 0 1 0 1 0 0 1 0
0x11 0x52 0xB 0x0 0x0 0x0 0x0 0x1
Reading back the object set objects to valid makes it possible to check whether the
command was performed. Byte 8 will the contain the value 0.