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If the connection settings, external wiring and the GW-7228 module
are normal, it shows connection successful screen as Figure 3-4.
The GW-7228 status such as Interface/Data Created/Error/Firmware
Version would be shown, otherwise, it shows abnormal connection screen
as Figure 3-2 and Figure 3-3.
Figure 3-3: COM Receive Time Out Error Screen
Figure 3-4: COM Connection Successful Screen
Table 3-1 GW-7228 error status
Error Code
00
01
02
04
GW-7228 J1939/Modbus RTU Slave Gateway User's Manual (Ver 1.3, Apr/2011) ------------- 22
Figure 3-2: Open COM Error Screen
No Error
Can't Claim Address in J1939 Network
CAN Bus-Off
CAN Bus Transmission Fail
Status
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