the-joystick analog inputs. The joystick base X and Y-axis information is available in the basic joystick
message. The extended joystick message structure is as follows:
Extended joystick message structure
Extended
message
number
Priority
Base PGN
PDU format
PDU specific
Source address Data field
Dec
hex
Dec
hex
Dec
hex
Dec
hex
1
3
64983
FDD7
253
FD
215
D7
*
*
8 bytes
3
FDDB
FD
DB
*
8 bytes
*
Depends on position specified in master model code. See
H2, 3 joystick location/CAN source address
on page 19.
•
Message transmission rate: 20 ms
•
CAN bus baud rate: 250kbps
The resulting SAE J1939 basic joystick message PGN on the CAN bus is:
0xCFDD7 __ __ or 0xCFDDB __ __
*
*
* = joystick source address (hex)
Extended joystick message parameters and data field locations
Start position (byte/bit)
Length
(bits)
Parameter name
0/1
2
Grip X-axis neutral position status
0/3
2
Grip X-axis lever left negative position status
0/5
2
Grip X-axis lever right positive position status
0/7 through 1/1-8
10
Grip X-axis position
2/1
2
Grip Y-axis neutral position status
2/3
2
Grip Y-axis lever back negative position
2/5
2
Grip Y-axis lever forward positive position
2/7 through 3/1-8
10
Grip Y-axis position
6/5
2
Grip Y-axis detent position status-not available
6/7
2
Grip X-axis detent position status-not available
Data field descriptions and output ranges for extended joystick messages are similar to those for base X
and Y-axis basic joystick messages.
Grip proportional input naming convention
Proportional input location
Extended joystick message designation
Horizontal orientation, top
Y-axis
Horizontal orientation, bottom
X-axis
Vertical orientation, left side
X-axis
Vertical orientation, right side
Y-axis
Refer to
A grip button and rocker CAN naming conventions
on page 29 for proportional input naming
conventions.
SAE J1939 error (DM1) messages
SAE J1939 DM1 error messages are supported by JS6000 software.
Technical Information
JS6000 Joystick Base
CAN message protocol
520L0760 • Rev 1102 • November 2015
27
