Wika D-21-9 Manual do Utilizador descarregar pdf (Página 49)

D-20-9 / D-21-9 GB

WIKA Additional Instructions Pressure Transmitter with CANopen Interface D-20-9 / D-21-9 49

Configure Bit Timing Parameters Protocol

LSS-Master sends

ID DLC Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

7E5h 8

CS =

13h

Table

Selector

Table

Index

Reserved

LSS-Slave answers

ID DLC Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

7E4h 8

CS =

13h

error

code

reserved

cs: LSS command specifier

13h for Configure Node-ID

table_selector: selects which bit timing parameters table has to be used

0: standard CiA bit timing table

1..255: reserved

table_index: selects the entry (bit timing parameters) in the standard CiA bit timings table

error_code:

0: protocol successfully completed

1: bit timing not supported

2..255: reserved

Activate Bit Timing Parameters Protocol

LSS-Master sends

ID DLC Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

Switch delay

7E5h 8

CS =

15h

LSB MSB

Reserved

LSS-Slave answers

ID DLC Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

7E4h 8

CS =

13h

error

code

reserved

cs: LSS command specifier

15h for Activate Bit Timing Parameters

switch_delay:

The duration of the two periods of time to wait until the bit timing parameters switch is done (first

period) and before transmitting any CAN message with the new bit timing parameters after performing

the switch (second period). The time unit of switch delay is 1 ms.

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Wika D-21-9 Manual do Utilizador Página 49

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