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PKP-2200-SI_CANopenUM_REV1.0
NMT MESSAGES
The Network Management messages follow a master-slave structure. Through NMT services, CANopen
devices are initialized, started, reset or stopped.
NMT messages have CAN-ID always equal to 00h.
4.
Start CANopen node (keypad activation message)
Identifier
00h
Byte 0
01h
Start CANopen node
Byte 1
XXh
Keypad CAN ID
00h: start all the Keypads
15h: start the Keypad with CAN ID =
15h.
Byte 2, 7
00h
Not used
Example:
Direction
Identifier
Format
Message
To Keypad
0
Std
01 15
5.
Enter pre-operational
Identifier
00h
Byte 0
80h
Enter pre-operational
Byte 1
XXh
Keypad CAN ID
00h: enter all the Keypads
15h: enter the Keypad with CAN ID =
15h.
Byte 2, 7
00h
Not used
Example:
Direction
Identifier
Format
Message
To Keypad
0
Std
80 15
6.
Reset CANopen node
Identifier
00h
Byte 0
81h
Reset CANopen node
Byte 1
XXh
Keypad CAN ID
00h: reset all the Keypads
15h: reset the Keypad with CAN ID =
15h.
Byte 2, 7
00h
Not used
Example:
Direction
Identifier
Format
Message
To Keypad
0
Std
81 15