PKP2500SI_CANopenUM_REV1.0
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7.
Stop CANopen node
Identifier
00h
Byte 0
XXh
02h: Stop CANopen node
00h: Stop CANopen node
(old PKP sw compatibility)
Byte 1
YYh
Keypad CAN ID
00h: stop all the keypads
15h: stop the keypad with CAN ID = 15h.
Byte 2, 7
00h
Not used
Example:
Direction
Identifier
Format
Message
To Keypad
0
Std
02 15
8.
Boot-up service
This service is used to signal that a NMT slave has entered the NMT state Pre-operational.
Identifier
700h + current CAN ID
Default 715h
Byte 0
00h
One data byte is transmitted with value 0.
Example:
Direction
Identifier
Format
Message
From Keypad
715h
Std
00h
The keypad with CAN ID 15h has entered the NMT state Pre-operational.
9.
Heartbeat message
The heartbeat mechanism for a CANopen device is established by cyclically transmitting the
heartbeat message by the heartbeat producer.
Refer to
10.
Sync message
This mechanism modifies the PDO operation in the following way: both the RPDOs and TPDOs are
stored at the receiving of the 1
st
SYNC message but, while the RPDOs are always processed with
the arrival of next one, the TPDOs are transmitted each n-th time the SYNC message is received
depending on the value chosen for transmission type. The structure of the SYNC message is:
Identifier
80h
-
-
No data byte is transmitted