This article will introduce the related information about Volvo generator TAD734GE engine display unit and display control unit. If you are looking for the information, the article will be helpful.
The engine DU is an computerized
instrument panel which shows engine working values on an LCD screen. In the
display it is possible to show multiple windows with different information, i.
g. engine rpm, coolant temperature, fuel consumption and fault messages.
At start up, the display performs
a self-test. If an constant signal is heard, the system has discovered a
malfunction. The display will work but may act in an unexpected way.
The DU is connected between the
engine control unit and the CIU or DCU.
Display modes
Press any of button l-4 to view
the function menu for the buttons, appearing in the lower part of the display.
To leave the menu, wait a few seconds or press button
5 (EXIT).
1 Engine
2 Multi
3 Trip
4 Graph
5 Exit
Contrast
In the display modes Engine, Trip
and Graph, it is possible to adjust the contrast. Press button 5 outside the
menu and then + (button 4) or - (button 3) to adjust the contrast.
Engine
Rpm and coolant temperature is
shown in the upper part of the display. In the lower part it will show trip
computer and a fuel level indicator, if these functions are installed.
Multi
In the multi mode, button 2, the
information can be shown in four windows, analogue or digital. The display
toggles between the two when button 2 is pressed repeatedly. By pressing button
5, the right arrow, you choose what information to be shown in the different
windows. Press repeatedly on the button that correspond to the window, until
desired information is shown.
Trip
To display the trip computer
press button 3, Trip
Trip Fuel, since last reset
Fuel Rate, fuel consumption
Trip hours, since last reset
Engine hours, total amount of
operating hours
Reset by pressing button 3 for
three seconds until a beep is heard.
Graph
The information is shown as
graphs. Press button 4 repeatedly to choose what information will be shown. The
time interval is set in the Configuration menu.
If the connection is broken there
will be a straight line in the display.
Configuration menu
Press button 5 for three seconds
to enter the Configuration menu. Navigate with the up and down arrows, select with the right arrow.
Units
- PRESSURE: kPa, PS
- VOLUME; LITRE, GAL, Imperial
GAL.
Fuel rate is adjusted according
to volume unit, L/H, GAL/H, IGAL/H.
- TEMPERATURE; °C, °F
Alarm Status
List of active alarms, refer to
Reading fault codes via the DU (Display Unit)
Settings
LANGUAGE; setting of what
language is to be used in the display.
BLEEP; On/Off, setting if
pressing the instrument buttons will be followed by a beep or not.
DISPLAY; setting of ENGINE RPM
gauges RPM ENGINE, 2500-9000 RPM, in steps of 500
RPM
GRAPH RANGE, 2 minutes- 8 hours
in the following steps,
2MINS, 10MINS, 30MINS, 60MINS,
2HRS, 4HRS, 8HRS
SYSTEM
DEMO, switches the DEMO mode
ON/OFF
RESTORE DEAFAULTS, reset all
configuration to default values.
COM VIEWER, displays latest
message on communication ports
PROG TX, transfers content of the
application on
Flash memory to other CAN units
on the same CAN bus.
ABOUT, displays
ID NO - display serial number
EEPROM - number of write on
EEPROM
VERS - software version number
CHK - Flash memory checksum
PART No - Volvo software part
number
SOURCE - source of received data
LABEL - Allocated Label on the
same bus
CIU (Control Interface Unit)
The CIU is a
"translator" between the control unit (EMS) and the customer's own
control panel. The CIU has two serial communication links, one fast and one
slow.
The fast one is a so-called CAN
link. All data related to instruments, indication lamps, connectors and
potentiometers is controlled by this link.
The slow link manages diagnostic
information for flashing codes etc.
Easy Link Instruments
The following Easy Link
instruments are available
- Tachometer / hours counter
(fault codes are also displayed on the tachometer display when the diagnostic
button is pressed)
- Coolant temperature
- Oil pressure
- Oiltemperature
- Batteryvoltage
- Alarm panel
- Turbo pressure
DCU (Display Control Unit)
The pre-heating time is adjusted
to suit engine temperature, and may last up to 50 seconds both before and after
starting.
The starter motor connection time
is maximized to 20 seconds. After that, the starter motor circuit is cut for 80
seconds to protect the starter motor against overheating.
NOTICE! Preheat must be activated
when the temperature is below o °C (32°F)
With preheating
1 Press the ON/OFF button (6)
2 Press the SEL button (7) to
come to the main menu
3 Navigate to Preheat with the
browse button (9). Press the SEL button (7)
4 In the Preheat menu, press the
SEL button (7) to select pre-heating; the text "Preheat active please
wait" is shown in the display.
5 Wait until the text disappears
and then press the START button (2).
Without pre-heating
1 Press the ON/OFF button (6)
2 Press the START button (2).
Warm through the engine at idle
(1,500/1,800 rpm)
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