Blink J1939, User Manual

Page: 10 / 16

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FOR REFERENCE ONLY
15. Event state transmission (72h)
This message enables or disables event-driven key state transmissions. When this
feature is enabled, the keypad transmits the state of a contact at the time that the
contact changes state (pressed or released).
Byte 0 04h Header bytes
Byte 1 1Bh
Byte 2 72h Event state transmission
Byte 3 XXh XX:
00h Disabled
01h Enabled (default)
Byte 4,7 FFh Not used
Example:
Direction Identifier Format Message Data
To
Keypad 18EF2100h Ext 04 1B 72 00 FF FF FF
FF Event state
transmission disabled
16. LED Acknowledgment (73h)
This command enables or disables the transmission of the LED Acknowledgement
message. When this feature is enabled the keypad transmits an acknowledgement
message each time a LED Command is received.
Byte 0 04h Header bytes
Byte 1 1Bh
Byte 2 73h LED Acknowledgement
Byte 3 XXh XX:
00h Disabled (default)
01h Enabled
Byte 4,7 FFh Not used
Example:
Direction Identifier Format Message Data
To Keypad 18EF2100h Ext 04 1B 73 01 FF FF FF FF LED
acknowledgment
enabled
To Keypad 18EF2100h Ext 04 1B 01 01 04 03 05 FF LED Command
From
Keypad 18EFFF21h Ext 00 03 01 04 05 FF FF FF LED Ack message
LED Acknowledgment message:
Byte 0 00h
Byte 1 XXh XX: LED state
Byte 2 YYh YY: Key number
Byte 3 PPh PP: Primary color
Byte 4 ZZh ZZ: Secondary color
Byte 5,7 FFh Not used