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- 7 -
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–
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PKP-2200-SI_CANopenUM_REV1.0
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
Object 1017h
for more details.
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:
Refer to Objects
1400
-
1401
-
1800h
for more details.
Identifier
80h
-
-
No data byte is transmitted