WIKA D-21-9 - Manual (Page 6)

D-20-9 / D-21-9 GB
WIKA Additional Instructions Pressure Transmitter with CANopen Interface D-20-9 / D-21-9 6
Change of PDO-Mapping:
- the device has to be in the PRE-OPERATIONAL mode
- deactivate currently mapped object by writing 0 to object 1A00h subindex 0
- mapping is deactivated, PDO does not supply any data; DLC = 0
- Write desired object to subindex 1 of object 1A00h (INTEGER32: 2090 00 20h / REAL32: 6130 01 20)
- Finally the mapping has to be reactivated by writing 1 to object 1A00h subindex 0
The physical unit of the process value can be configured via object 6131h “Physical Unit Process Value”
The decimal digits can be changed via object 6132h “AI Decimal Digits”
PDO Transmission Types (Object 1800h, subindex 2)
Synchronous Transmission:
A transmission type of n (1 … 240) means that the message is transmitted with every n-th SYNC object.
Asynchronous Transmission:
A transmission type of 254 means that the message will be send after the event timer elapses. The event
timer can be configured via object 1800h subindex 5.