Generic J1939 - Deif SGC 420 User Manual

13.6 Generic J1939

Basic information
• Engine controller/type: Any controller which uses generic J1939.
• DEIF Smart Connect: Select Generic J1939.
• Complies with the J1939 standard.
• Baud rate: 250 kb/s
Warnings and shutdowns
These standard warnings and shutdowns are supported:
• EIC yellow lamp
• EIC red lamp
• EIC malfunction
• EIC protection
Displaying alarms
The display can show J1939 diagnostic messages DM1 (active alarms) and DM2 (historic alarm log list). You can acknowledge
these alarms from the display unit. For some engines, the display has a special alarm display (see the specific engine type).
Press the Down button for 4 seconds to see the alarm log. By default, the alarm log shows the DM1 (active alarms). To see the
historical alarm list, use Down
xxxxxxxxxxxxxxxxxx
xxxxx
xxxx
xxx
Alarm log DM1 shows active alarms
• Scroll through the alarm list with the Up
• oc##: Shows how many times a specific alarm has occurred.
• CLRALL: Press ENTER to clear the entire alarm log list. For safety reasons, this requires the master password.
NOTE
If the controller has no translation text for an SPN diagnostic number, Text N/A is shown. For information about particular
SPN numbers, see the engine manufacturer's documentation. Alternatively, see SAE J1939-71 for a general description.
J1939 write commands
Command Description
Speed control The CAN bus ID for speed control is 0xC000003. J1939 TSC1 (transmission rate is 10 ms).
This is a more advanced function than the standard J1939 Start/Stop commands. See the M-Logic commands for
details. If the M-Logic command is enabled, the SGC can also send the standard J1939 start/stop command. The
EIC start/stop
controller determines whether to start or stop the engine. The decision is based on the SGC's inputs, logic and
calculations.
USER MANUAL 4189341227A UK
button to select DM2.
DM1
xx
xx
xx
and Down
Alarm log DM2 shows historic alarms
buttons.
DM2
No historic log
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