Canbus; Differential Protection; Heating Unit - iCES DST4400 Manual Del Usuario

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CANBUS

MODE 4 includes two additional pages:

Communication status of the bus. There are three possible indications:

•

The second row shows the communication error counters . If the cause of the malfunction has

been removed, this page makes it possible to force exit from the BUS-OFF mode by holding down

the

Motor diagnostic codes, according to the SAE J1939 standard or MTU specifications. In the case

of the J1939 standard, when a signal is present the SPN and FMI fault's codes, the number of

occurrences (OC), a specific diagnostic code of the family of engines (DTC), and an explanatory

text are displayed. For MTU engines the SPN, FMI and OC are not shown, but the DTC code and

an alphanumeric description are always displayed.

The engine diagnostic codes are stored (even if the engine removes them) until the yellow/red indicator

light warning from CANbus is acknowledged.

The DTC page is forced when the signal corresponding to a yellow or red light from CANbus is

activated; moreover, if a fault occurs, the DTC page can be accessed directly from the alarms page by

holding down the VIEW pushbutton for one second, to view the error code signaled by the engine

controller.

The triggering current for differential protection of the device can be set by accessing the programming

mode as described in section 3 and changing the setting of the AUXILIARY CURRENT parameter. The

parameter can be set in the range from 1A to 40A. The 40A setting will disable the protection.

Note: Differential protection is a device protection, IT IS NOT AN AUTOMATIC CUT-

OUT AND THEREFORE CANNOT BE USED TO PROTECT PEOPLE.

These instructions refer to devices equipped with immersion heating units. It is possible to set the

ON/OFF switching temperatures of the heating unit by means of the DST4400 card by accessing the

programming mode as described in section 3 and changing the setting of the PREHEATING

parameter. If the OFF switching temperature is set lower or equal to the ON switching temperature, the

heating unit is disabled.

User's Manual DST4400

ERROR-ACTIVE: normal operation

ERROR-PASSIVE: communication is working despite of faults (errors)

BUS-OFF: The card has interrupted the connection to the bus due to too many errors.

VIEW pushbutton for five seconds.

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