
GW-7238D J1939 to MBTCP Server / MBRTU Slave Gateway User’s Manual (Ver.1.1, May. 2013) ---
42
Related configuration data, the following table shows the current
planning.
Table 5-1: Configuration data of J1939 and Modbus
Parameters
PGN
Data
Length
(bytes)
Byte Order
In J1939
Data Field
Byte Order
in
MODBUS
MODBUS
Address
(Dec)
Send
Input Shaft
Speed
61442(Dec)
F002(Hex)
2
5
0
40001
Receive
Output Shaft
Speed
61442(Dec)
F002(Hex)
2
1
0
30001
Note:
PGN/Data Length/Byte Oder in J1939 Data Field
=> Transmission manufacturers provide the information required
Byte Order in MODBUS
=> User-defined Modbus address
Figure 5-9: J1939 configuration screen
Byte
Order In
Modbus
Data
Length
(Byte)
PGN
(Dec)
Priority
ECU’s
J1939
Address
ECU’s
J1939
Address
Transm-
ission
Repetiti-
on
Byte Order
In J1939
Data Field