44
Name
Data Type
Byte
Bits
Description
Command
Byte
1
Command for index pointer (which message you’re sending)
Counter 7A On/Off
2 bit
2
1,2
Enable Counter 7A, 00 = Off, 01 = On
(used in encoder mode)
Counter 7A Reset
3,4
Reset Counter 7A, 00 = Off, 01 = On
(used in encoder mode)
Counter 7A Roll-Over Enabled
5,6
Enable Counter 7A Rollover, count continues after set point is achieved,
00 = Off, 01 = On
(not used in encoder mode)
Counter 7A Enable Out 3A
7,8
Enable Output 3A when Counter 7A is enabled and set point hasn't been reached,
00 = Off, 01 = On
(not used in encoder mode)
Counter 8A On/Off
3
1,2
Enable Counter 8A, 00 = Off, 01 = On
(not used in encoder mode)
Counter 8A Reset
3,4
Reset Counter 8A, 00 = Off, 01 = On
(not used in encoder mode)
Counter 8A Roll-Over Enabled
5,6
Enable Counter 8A Rollover, count continues after set point is achieved,
00 = Off, 01 = On
(not used in encoder mode)
Counter 8A Enable Out 4A
7,8
Enable Output 4A when Counter 8A is enabled and set point hasn't been reached,
00 = Off, 01 = On
(not used in encoder mode)
Spare
4
1,2
Not used on this module
3,4
5,6
7,8
Counter 7A Set Point
Word
5
Set point for count on Counter 7A
6
Counter 8A Set Point
Word
7
Set point for count on Counter 8A
8
J1939 Counter Configuration Message
Value
87 (0x57h)
