WIKA D-20-9 Mode D'emploi page 13

5. Commissioning, operation
5.3 Commissioning of CANopen instruments
Connect the CAN interface (e.g. PEAK PCAN-USB) to the PC and the pressure transmitter.
Start the CAN software (e.g. PEAK PCAN-View).
Make sure that the correct bit rate and node ID of the pressure transmitter is used.
For further information see "Quick start guide" under "Additional instructions"
PDO structure
PDO message structure
ID DLC
Identifier 4
The structure of the synchronous and asynchronous PDO is identical.
The identifier of the PDO can be set under object 1800h.
Factory setting: 180h + node ID
Byte 0 to byte 3 contain the currently configured process value.
The coding corresponds to DS 301, chapter 9.1.4.5.
Byte 0 represents the "least significant byte" and byte 3 the "most significant byte".
Factory setting: Object 20 90 subindex 0
The following INTEGER data type is used:
INTEGER data type
Octet number 0.
INTEGER 32 b₇ ... b₀
WIKA operating instructions, pressure sensor, models D-20-9, D-21-9
Byte 0 Byte 1
Process value
1.
b₁₅ ... b₈
Byte 2
2. 3.
b₂₃ ... b₁₆ b₃₁ ... b₂₄
EN
Byte 3
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