3500 Petroleum Engines and Petroleum Generator Sets Control Panel Caterpillar


Control Panel
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1.1. Type 1
2.2. Main display module (1)
3.2. Gauge cluster modules (2)
4.2. Display "SCROLL" switch (3)
5.2. Display "CLEAR/MODE" switch (4)
6.2. "LH/RH SELECT" switch (5)
7.2. Emergency Stop button (6)
8.2. "ALARM SILENCER" switch (7)
9.2. Engine control switch (8)
10.1. Type 2
11.2. Marine Power Display (MPD) (1)
12.3. Operating Information
13.3. Display Modes
14.3. Diagnostic Data
15.3. Configuration and Operation of the Marine Power display
16.2. Pyrometer (If equipped) (2)
17.2. Engine Control Switch (ECS) (3)
18.2. Emergency Stop Switch (4)
19.2. Overspeed Indicator (5)
20.2. Alarm (horn) (6)
21.2. Start Select Switch (If equipped) (7)
22.2. Emergency Stop Lamp (8)

Type 1



Illustration 1g01139933
(1) Main display module
(2) Gauge cluster modules
(3) "SCROLL" switch
(4) "CLEAR MODE" switch
(5) "LH/RH SELECT" switch
(6) Emergency stop button
(7) "ALARM SILENCER" switch
(8) Engine control switch

The electronic instrument panel is the center for engine control and for information about engine operation. Each component of the instrument panel is described below.

Main display module (1)

This module is the main component of the system. The module receives information from the switches, sensors, and other electronic controls on the engine via the AVS Data Link. The main module processes the information. The module then displays the information. The module also sends the information to the gauge cluster modules.

Gauge cluster modules (2)

The gauge needles are controlled by information that is processed by the main display module.

Display "SCROLL" switch (3)

The main display module has seven different modes of operation. The "SCROLL" switch is used to display the various parameters that are within each mode.

Display "CLEAR/MODE" switch (4)

The "CLEAR/MODE" switch is used to move between the available modes of operation. Also, the "CLEAR/MODE" switch is used to clear the information that is displayed on the Main Display Module .

"LH/RH SELECT" switch (5)

"The LH/RH" switch is used to display both the right-hand and left-hand parameter information on a single gauge. Right-hand values and left-hand values for the exhaust temperature can be displayed on control panels that are equipped with a second gauge module. Also, Right-hand values and left-hand values for the inlet air restriction can be displayed on control panels that are equipped with a second gauge module. When the gauge module is displaying the parameter information for the exhaust temperature or the inlet air restriction, the "LH/RH" switch can be toggled.

Emergency Stop button (6)

This button is used to stop the engine quickly in an emergency situation. When this button is pressed, the fuel injection is disabled and the air shutoffs are activated.

"ALARM SILENCER" switch (7)

The "ALARM SILENCER" switch shuts off the audible portion of the alarm. This switch does not shut off the alarm.

Engine control switch (8)

The engine control switch determines the status of the control panel. In the AUTO position (3 o'clock), the engine will start automatically whenever a remote start/stop initiate contact is closed. The engine will stop after the initiate contact opens and after an adjustable cooldown period has elapsed. A cooldown period can be programmed. This cooldown period (0 to 30 minutes) will allow the engine to dissipate heat before the engine shuts down.

Type 2



Illustration 2g01217074
(1) Marine Power Display (MPD)
(2) Pyrometer (if equipped)
(3) Engine control switch (ECS)
(4) Emergency stop switch
(5) Overspeed Indicator
(6) Alarm (horn)
(7) Starter select switch (if equipped)
(8) Emergency stop lamp

Marine Power Display (MPD) (1)

The Cat Marine Power Display is an attachment that is available from your AVSpare dealer. The Cat Marine Power Display will supply the current engine data. The Cat Marine Power Display will supply the current data for the transmission. The screens can be customized. The screens can display various engine parameters. The parameters are described in the following text.

Operating Information

There are three modes of display for the engine data: Analog, digital, and bar graph. The following parameters are displayed:

  • Engine speed

  • Percent load

  • Boost pressure

  • Coolant temperature

  • Transmission pressure

  • Engine hours

  • Battery voltage

Note: The Oil Temperature and the Inlet Manifold Temperature will be displayed if the engine is equipped with the appropriate sensors.

Display Modes



Illustration 3g00744779
(1) Alarm acknowledgment
(2) Screen display
(3) Arrow keys

Day Mode - The normal display is a white background with black letters and gauges. Press and hold down screen display (2) to display the slide bar that adjusts the contrast. Use arrow keys (3) to adjust the contrast.

Night Mode - Press screen display (2) to change the display. The display will have a black background with red letters and gauges. Press and hold down screen display (2) again to display the slide bar that adjusts the brightness. Use arrow keys (3) to adjust the brightness. Press screen display (2) again to display the slide bar that adjusts the contrast while the Backlight is on. Use arrow keys (3) to adjust the contrast. Press screen display (2) to exit the bar that adjusts the contrast.

Diagnostic Data

All diagnostic messages from the engine Electronic Control Module (ECM) are indicated by both a visual alarm and an audible alarm. Diagnostic indicators will not be shown when there are no active diagnostic codes. The diagnostic indicator will appear in the upper left corner of the screen. A window that describes the diagnostic code will appear in the center of the screen, and the audible alarm will sound. Press alarm acknowledgment (1) to silence the alarm. Press alarm acknowledgment (1) again to scroll through the diagnostic codes or remove the diagnostic codes. The diagnostic code indicator will remain on the screen until the fault is corrected.

Note: The loss of signal to the display will result in a Diagnostic Code with the description “"NO DATA LINK SIGNAL"”.

Configuration and Operation of the Marine Power display

The AVSpare Marine Power Display can be programmed for three users with five screens for each user. Three users can set up the Cat Marine Power Display for the preferences of each user.

The buttons have multiple functions which will depend on the screen that is displayed.

Reference: See Operator Manual, LEBM0189, "Marine Power Display" for the functions of the buttons.

"System Information" Screen - When power is first applied, scroll through the screens until the "System Information" screen is shown. This screen allows the following parameters to be configured: "User Name", "Unit Location", "Display Units", and "Vessel Speed". A menu driven screen is located in the upper right corner of the Marine Power Display screen. Press alarm acknowledgment (1) to display the functions of the buttons. See Operator Manual, LEBM0189, "Marine Power Display" to configure the parameters.

Gauge Screens - The gauge screens can be configured with three different sizes of three types of gauges. Each user can configure the screens to display the engine data according to individual preferences. Each user can configure the screens to display the engine data in the following formats: analog, digital, and bar graph.

Note: Consult your Cat Dealer to customize the screens of the Cat Marine Power Display.

Pyrometer (If equipped) (2)

The pyrometer is an electronic scanner for exhaust temperatures. This scanner can monitor 24 points via standard type K thermocouples. An LCD displays the number of the channel and the temperature in °C or °F. The scanner has two switches that can be wired to alarms or relays. The scanner can provide readings, monitoring, and alarms for the temperatures of 20 cylinder exhaust ports and four turbocharger inlets and/or outlets. The scanner can be programmed with the on board keypad. Service information and programming instructions are available in the Service Manual, RENR4911, "Exhaust Temperature Scanner".

Engine Control Switch (ECS) (3)

Refer to Operation and Maintenance Manual, "Starting the Engine" for detailed information about starting the engine with the engine control switch. Refer to Operation and Maintenance Manual, "Engine Stopping" for detailed information about stopping the engine with the engine control switch.

------ WARNING! ------

When the engine is in the AUTOMATIC mode, the engine can start at any moment. To avoid personal injury, always remain clear of the the engine when the engine is in the AUTOMATIC mode.


For automatic starting, the engine control switch must be in the "AUTO" position. The engine will automatically start when the remote start/stop initiate contact closes.

To start the engine, turn the engine control switch to the "MAN. START" position. Do not start the engine if there is a "DO NOT OPERATE" warning tag or a similar warning tag attached to the start switch. Do not move any of the controls if there is a "DO NOT OPERATE" warning tag or a similar warning tag attached to the controls. Ensure that no one will be endangered before the engine is started and when the engine is started.

If the cooldown feature is utilized, turn the engine control switch to the "COOLDOWN/STOP" position. The engine will operate for a programmed time. After the cooldown, the timer will activate the fuel shutoff. The engine control module will remain powered until the engine control switch is turned to the "OFF/RESET" position.

When the engine control switch is turned to the "OFF/RESET" position, power is removed from the ECM and the instrument panel.

Emergency Stop Switch (4)

Use the emergency stop switch ONLY in an emergency situation. DO NOT use the emergency stop switch for normal engine stopping. After an emergency stop, DO NOT start the engine until the problem that caused the emergency stop has been corrected.

Overspeed Indicator (5)

The overspeed indicator will illuminate if an engine overspeed occurs.

Alarm (horn) (6)

The alarm will sound to alert the operator to an abnormal condition.

Start Select Switch (If equipped) (7)

This switch does not start the engine. Use the start select switch to select the starter that will start the engine. When the switch is in the PRIMARY position, the primary starter will be used to start the engine. When the switch is in the SECONDARY position, the secondary starter will be used to start the engine.

Emergency Stop Lamp (8)

The emergency stop lamp will illuminate when the emergency stop switch is activated.

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