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1.0 Technical Specifications

1.1 Electrical

Operating Voltage Range: +/– 25% of nominal voltage.

Operating Current Range: Values below reflect keyswitch in “on” position.

*Maximum current draw listed based upon all icons illuminated. Each icon draws 15mA.

1.2 Mechanical

Display: LCD with 10-segment bar and 5 digit numeric (5mm high).

Hour Meter Range & Resolution: 9,999.9 Maintenance Hours;

99,999 Total Hours

Panel Cutout: 45 x 92 mm rectangular.

1.3 Environmental

Shock: SAE J 1378 Amplitude.

44-55 g, half sine, 9-13 ms duration.

Vibration: SAE J 1378 Double amplitude of 1.53mm with frequency sweep for

10-80-10 Hz (20 g max) at 1 minute intervals.

Operating Temp.: –40˚C to +85˚C

Storage Temp.: –50˚C to +90˚C

Humidity: 95% RH (non-condensing)

IP Rating: 65 Front & Rear with AMP connector installed.

65 Front, 40 Rear with Molex connector installed.

2.0 Installation

2.1 Terminal Assignments

Information is for standard design units only. Customers should review specific

diagrams for custom units.

2.2 Typical Wiring Diagrams

See wiring schematic drawings on reverse side of page.

2.3 Mounting

Curtis enGage® III is mounted in a 45X92 mm rectangular cutout. In addition to the

snap-fit case design, an optional mounting bracket is available.

2.4 Interconnect

Curtis enGage® III is available with AMP (8 pin & 10 pin) or Molex (8 pin & 10 pin)

connectors. See complete drawing with notes on reverse side of page for specific

part numbers.

2.5 Product Identification

2.5.1 Programmable vs. Factory Set Instruments

Curtis enGage® III is available with

or without front panel buttons.

Gauges without buttons are factory

set and cannot be adjusted.

Gauges with buttons have field

adjustable parameters and can be

programmed per section 2.6.

2.5.2 Curtis enGage® III & Multifunction Design

Curtis enGage® III products can be configured in a variety of ways to maximize

customer value and efficiency. The instruction manual covers a broad spectrum of

products. Please note that some sections of the instructions may refer to functions

not included in your instrument.

2.6 Configuring Your Gauge

Access to these operations is sequential in this order. Adjustments of the following

functions can be performed in the Configuration Mode:

1. Time-of-Day Clock

2. Battery Discharge Indicator (BDI) profiles

3. Maintenance interval

4. Settable hour meter

During configuration, the right button is used to increment. The left button

is used to:

1. Enter a selection.

2. Advance to the next configurable item.

If no change is desired to a specific gauge function, continue to press the left

button until the next desired function is reached.

The time-of-day clock is entered by setting the hours digits between 01 and 12, then

“minutes” digits between “00” and “59”.

The profile of the BDI is settable with the front panel buttons. The Discharge Full

profile (when the gauge will begin calculating ‘discharge’) is adjustable from 1.80

through 2.30 volts per cell (VPC) in 0.01 VPC increments. The Discharge Empty

profile (when the gauge will indicate ‘empty’) is adjustable from 1.50 through 2.20

VPC in 0.01 VPC increments.

The maintenance interval (when the gauge signals that maintenance is due) is

configurable and should be set after the initial installation. The interval can be set

between 1 and 9,999 hours in 1 hour increments.

The settable hour meter can be set to any value between 0 and 99,999 hours. When

the gauge is operational, the total hour meter will begin from this value.

Configuration Notes:

The gauge remains in configuration mode for 30 seconds without input from the user.

When configuring each function (time-of-day, maintenance interval, etc.), you must

enter in all data for that function for it to be saved. If incomplete data is entered for

a function and the programming mode is timed out (after 30 seconds of no input

received by the gauge), the gauge will revert back to what was previously stored for

that item.

If you interrupt the data entry process in the Configuration Mode, the gauge saves

data in those sections already completed. To complete configuration, re-enter

configuration mode (2.6.1) and simply toggle past the completed sections and

resume where you left off.

2.6.1 Entering Configuration Mode

1. Apply main power (9-60VDC) to V+, V–.

2. Apply V+ (9-60 VDC) to Keyswitch Input.

3. Apply V+ (9-60 VDC) to Set-up Enable.

4. Press and hold the left button on the front panel until the entire

display flashes and then release.

2.6.2 Setting the Time-of-Day Clock

The display flashes the two “Hours” digits. Press the right button

to increment by one hour, or hold the button to increment continuously.

When the desired number of hours is reached, press the left button

once. The display flashes the two “Minutes” digits. Press the right button

to increment by one minute or hold the button to increment continuously. When the

desired number of minutes is reached, press the left button once.

2.6.3 Setting the Battery Indicator Profiles

The display flashes the three digits of the discharge full profile (factory

setting is 2.09 VPC). Press the right button to increment by 0.01 VPC

or hold the button to increment continuously. When the display reaches

2.30 it will automatically restart at 1.80 VPC. When the desired reset profile

setting is reached, press the left button once.

The display flashes the three digits of the discharge empty profile (factory

setting is 1.73 VPC). Press the right button to increment by 0.01 VPC

or hold the button to increment continuously. When the display reaches

full it will automatically restart at 1.50 VPC. When the desired reset profile

setting is reached, press the left button once.

2.6.4 Setting the Maintenance Interval

The display flashes the left digit (thousands of hours). Press the right

button to increment by one or hold the button to increment continuously.

When the desired number is reached, press the left button

once to proceed to the next digit. Repeat this process for all 4 digits.

2.6.5 Setting the Total Hour Meter

The display flashes the left digit (tens of thousands of hours). Press the

right button to increment by one or hold the button to increment

continuously. When the desired number is reached, press the left

button once to proceed to the next digit. Repeat this process for

all 5 digits.

2.6.6 Exiting Configuration Mode

The configuration mode can be exited in three ways:

1. Press and hold the left button for three seconds.

2. Leave buttons untouched for 30 seconds.

3. Press the left button after selecting the last (right) digit of the last

function available.

3.0 Operation

When the main power (9-60 VDC) is applied to V+ and V–, a power-up

sequence is initiated. All display segments are illuminated for one second.

The display is then turned off until the keyswitch is activated.

3.1 Button Use During Normal Operation

3.1.1 Toggling Display Functions

Should your gauge be so equipped, press the left button to sequentially toggle

between the three numeric gauge functions (time-of-day clock, maintenance hours,

total hours).

The following procedures (3.1.2 and 3.1.3) can be done without V+ applied to Setup

Enable pin.

Press and hold the left button on the front panel until the entire display flashes

and then release.

3.1.2 Toggling Between Bargraph (Upper) Display Functions

Should your gauge be so equipped, press the right hand button to toggle

between the two bargraph displays.

3.1.3 Setting/Changing the Time-of-Day Clock

See Section 2.6.2.

3.1.4 Resetting the Maintenance Hour Meter

Press the left button until the maintenance hour meter function is displayed

(the wrench icon will be illuminated). Press and hold both the right button and

the left button until the display flashes and the maintenance hour meter

is reset to zero. This can be performed at any time, independent of the actual

maintenance status.

3.2 Auto-range

Curtis enGage® III will automatically recognize battery voltage based on the status of

the auto-range input pin.

3.3 Output and Warning LED

3.3.1 LCD Warnings and MOSFET Activation

Curtis enGage® III provides LCD warnings and MOSFET activation as follows:

KEY:RMB= Right Most LCD Bar; LMB= Left Most LCD Bar

3.3.2 LED Warning Icons

Curtis enGage® III provides up to 8 LED based warning icons as shown.

Of the 8 LED icons available, the 4 on the left side of the gauge are controlled by the

microprocessor and are factory programmable. The remaining 4 icons on the right

side are activated by inputs that are switched to ground (see typical wiring diagrams

sec 2.2).

3.4 LCD Icons

Curtis enGage® III uses a number of icons (depending on functions chosen) to assist

the user:

Hourglass Icon: Turned on (not blinking) to indicate that an hour meter is

displayed in the numeric display. Flashes to indicate hour meter accumulation.

Wrench Icon: Turned on (not blinking) to indicate that the maintenance hour

meter is displayed in the numeric display. Flashes when the maintenance

interval is reached.

Colon: Flashes to indicate that the time-of-day clock is being displayed in the

numeric display and that time is counting-up.

Decimal Point: To indicate 1/10 of an hour on the maintenance hour meter

Fuel or Battery Icon: Turned on (not flashing) depending on which function the

gauge is programmed to monitor. It flashes when a low condition is detected.

Percent: Indicates remaining percentage of interval or level.

Up/Down: Indicates whether function is displayed as bargraph or numeric.

Thermometer Icon: Flashes at high temperature condition.

Pressure Icon: Flashes at low and high condition.

3.5 Resetting BDI

OCR—Open Circuit Reset: The BDI will reset when gauge is disconnected from

discharged battery and reconnected to a fully charged battery.

CTR—Charge Tracking Reset: Battery state-of-charge will be tracked by gauge

during any charging period(s).

4.0 Troubleshooting

BDI Function

Sender Function

Maintenance Function

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

RED ICON

YELLOW ICON

RED ICON

YELLOW ICON

YELLOW ICON

RED ICON

YELLOW ICON

RED ICON

LCD

8

10

1

1

CONNECTOR J2

CONNECTOR J1

5.5

53.7

46.7

50.0

100.0

L1

L2

L3

L4

L5

L6

L7

L8

PUSHBUTTONS

(IF SO EQUIPPED)

PUSHBUTTONS

(IF SO EQUIPPED)

L1

L2

L3

L4

L5

L6

L7

L8

NOTES:

1) CASE MATERIAL: ABS/PC BLEND, BLACK

2) LENS MATERIAL: POLYCARBONATE

3) PANEL CUTOUT SIZE: 45 +.6/-.0 X 92 +.8/-.0

4) ALL SENDER CHARACTERISTICS TO BE DETERMINED

MOLEX MATING CONNECTORS

J1

J2

CONNECTOR

PIN

MOLEX #39-01-2105

MOLEX #39-00-0039

MOLEX #39-01-2085

AMP #1-794772-0

AMP #794758-1

AMP #784772-8

WIRE SEAL

GASKET

AMP MATING CONNECTORS

J1

J2

AMP #794821-1

AMP #770904-1

AMP #794781-1

L1

L2

L3

L4

L5

L6

L7

L8

1

0

1

0

53035 Rev D 6/10

1

0

1

0

1

0

1

0

1

0

1

0

RED ICON

YELLOW ICON

RED ICON

YELLOW ICON

YELLOW ICON

RED ICON

YELLOW ICON

RED ICON

LCD

8

10

1

1

CONNECTOR J2

CONNECTOR J1

5.5

53.7

46.7

50.0

100.0

L1

L2

L3

L4

L5

L6

L7

L8

PUSHBUTTONS

(IF SO EQUIPPED)

PUSHBUTTONS

(IF SO EQUIPPED)

L1

L2

L3

L4

L5

L6

L7

L8

NOTES:

1) CASE MATERIAL: ABS/PC BLEND, BLACK

2) LENS MATERIAL: POLYCARBONATE

3) PANEL CUTOUT SIZE: 45 +.6/-.0 X 92 +.8/-.0

4) ALL SENDER CHARACTERISTICS TO BE DETERMINED

MOLEX MATING CONNECTORS

J1

J2

CONNECTOR

PIN

MOLEX #39-01-2105

MOLEX #39-00-0039

MOLEX #39-01-2085

AMP #1-794772-0

AMP #794758-1

AMP #784772-8

WIRE SEAL

GASKET

AMP MATING CONNECTORS

J1

J2

AMP #794821-1

AMP #770904-1

AMP #794781-1

L1

L2

L3

L4

L5

L6

L7

L8

Switched to

Ground

Factory

Programmable

Read Instructions Carefully!

®

Without buttonsWith buttons

CURTIS INSTRUMENTS, INC.200 Kisco Avenue, Mt. Kisco, NY 10549 Tel. (914) 666-2971 www.curtisinstruments.com

3000 Series Instructions

Gauge

Operating Voltage

(VDC)Nominal (mA)Max (mA)*

12 VDC1219155

12–48 VDC1214140

2416140

3616140

4817140

AMP

Connector

AMP

Pin #Description

Molex

Pin #

Molex

Connector

J11LED 7: Warning Icon.5J1

J12LED 8: Warning Icon.6J1

J13LED 6: Warning Icon.7J1

J14Input 1-A: Input for voltage based

sender OR auto-ranging: pin in

BDI Applications. See schematic

diagrams for AMP and Molex

Connections.

8J1

J15V(–): Supply Voltage Negative

Terminal.

1J1

J16FET Out: MOSFET (0.5A) open

drain type internally tied to V(–).

2J1

J17V(+): Supply Voltage Positive

Terminal.

3J1

J18Input 1-B: Input for resistance

based senders.

4J1

J21Input 2-A: Input for voltage based

sender.

6J2

J22Keyswitch: Activates gauge display.

For BDI applications, monitoring

continues when display is off.

7J2

J23Digital Input A: No Connection.8J2

J24Digital Input B: No Connection.9J2

J25LED 5: Warning Icon.10J2

J26No Connection—Do Not Use.1J2

J27No Connection—Do Not Use.2J2

J28Setup Enable: Bringing power to

this pin allows the gauge to be

programmed via the front panel

buttons if so equipped.

3J2

J29Hour Meter Enable: Bringing power

to this pin allows accumulation of

time with keyswitch closed.

4J2

J210Input 2-B: Input for resistance

based senders.

5J2

Primary FunctionLCD StatusFET

BDI

Battery Symbol & LMB Flashing

LMB Flashing

Fuel

Fuel Symbol & LMB Flashing

LMB Flashing

Temp

Temp Symbol & RMB Flashing

RMB Flashing

Pressure

Pressure Symbol & LMB, RMB

Flashing

LMB, RMB Flashing

Tachometer(No LCD Symbol) RMB FlashingRMB Flashing

Maintenance DueMaintenance Symbol & LMB

Flashing

LMB Flashing

VoltageBattery Symbol, 2nd LMB & RMB2nd LMB & RMB

ProblemPossible Cause

No DisplayTerminals not connected.

Improper voltage.

Stays at FULLInstrument voltage does not match

battery voltage.

V+ connected to wrong terminal.

Will Not ResetInstrument voltage does not match

battery voltage.

Battery not fully charged.

Battery may be defective

Resets without Charging

Battery

Not connected directly to battery

terminal.

EMPTY Too SoonV+ connected to wrong terminal.

Instrument voltage does not match

battery voltage.

Terminals not directly connected to

battery.

Will Not / Cannot ConfigureProcedure in section 2.6.3 not being

followed.

No power to Setup Enable pin.

ProblemPossible Cause

No DisplayTerminals not connected.

Improper voltage.

Stays at FULLV+ connected to wrong terminal.

Sender or sender connection

problems.

EMPTY Too SoonV+ connected to wrong terminal.

Sender or sender connection

problems

ProblemPossible Cause

Will not ResetSection 3.1.4 procedure not

being followed.

Produktspecifikationer