enGage II: Pressure Monitor
3011R-27X-0001
Terminal Assignments
Technical Specifications
Description
Operating Voltage Range
12V nominal voltage, +/- 25%
Operating Current Range
Nominal- 19 mA, maximum 35
mA. Values reflect key switch in "on" position
Display:
LCD with 10-segment bar and 5 digit numeric
(5mm high)
Hour Meter Range & Resolution:
99,999 Total Hours
Pressure Sender:
10 ohms-0 psi; 134 ohms- 100 psi
Hardware:
Mounting Bracket
Panel Cutout:
52 mm / 2 1/16" diameter
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
Storage Temperature:
-50°C to +90°C
Operating Temperature:
-40°C to +85°C
Humidity:
95% RH (non-condensing)
IP Rating:
65 Front & Rear with AMP connector installed
Hour Meter Enable (+):
When V+
applied, accumulation of time
occurs when key switch on.
3
Input:
Input for resistance
based pressure sender.
5
MOSFET output:
MOSFET
(0.5A) open drain type internally
tied to V-.
7
Key switch (+):
When V+ is
applied this switch operates the
gauge display
6
(V-) Supply voltage negative
terminal
8
(V+) Supply voltage positive
terminal
Connector
Pin #
4
1
Maintenance
The enGage™II 3000 Series is not serviceable.
Sender Troubleshoot
Pressure Monitor Function
Safety Instructions
This instrument was manufactured and tested
according to the applicable technical standards. It
complies with all the safety regulations as shipped
from the factory.
Installation and startup must be performed by skilled
personnel.
Failure to install and operate the unit in accordance
with these instructions may result in damage or injury.
If safe operation of the instrument can no longer be
ensured, stop and secure it against accidental
operation.
If instrument failure or malfunction may cause
personal injury or material damage, use additional
safety measures such as limit switches, guards, etc.
Read the Operating Instructions carefully before
startup.
Note the safety instructions marked with this
warning symbol in this manual.
Problem
No Display
Possible Cause
Terminals not connected.
Improper voltage
.
Instrument voltage does not
match battery voltage. V+
connected to wrong terminal.
Stays At High
Stays at Low
Instrument voltage does not
match battery voltage. V+
connected to wrong terminal.
Notes
1.
Mating connector; 8-pin AMP, P/N 794821-1
with UL rating 94V-0. Interface seal, P/N
794772-0.
Wire seal 794758-1, Pins
P/N770904-X for #18-24 AWG.
Material:
Case-polycarbonate, lens-clear
polymethylmethacrylat
(PMMA)
cover,
overlay and mounting bracket-polycarbonate.
This unit is designed for a mounting panel
thickness of 0.8mm-6.4mm.
Panel cutout: 52mm diameter dash panel
hole.
Guarantee
Curtis Instruments’ products and/or components are
guaranteed against defects in workmanship and
material for a period of two years, or as defined in the
individual product literature, from date of shipment
from our factory, when applied in a proper application
within specified ratings. This guarantee is limited to
repair or replacement F.O.B. our factory. There is no
further warranty or implied representation, guarantee,
promise or agreement as to any Curtis Instruments
product and/or component. Curtis Instruments, Inc.,
cannot assume responsibility or accept invoices for
unauthorized repairs to its products and/or
components, even though defective. In no case will
Curtis Instruments’ responsibility extend to products,
components or equipment not of its manufacture.
Under no circumstances shall Curtis Instruments, Inc.
be liable for any special or consequential damages or
loss of profits or other damages. Returned goods will
not be accepted unless identified by a Curtis Return
Material Authorization (RMA). All specifications are
subject to change without notice.
2.
3.
4.
2
Installation
Caution!
Bracket has been designed to remain
secured to the gauge upon proper
installation. Once installed correctly, attempts
to remove bracket from gauge may result in
damage to the bracket.
Curtis enGage™ II instruments are mounted
in a 52mm round cutout. Serrations on the
barrel of the gauge, combined with the
mounting bracket provided, insure fast and
trouble free installation. To insure proper
installation, the 2 locking tabs on either side
of the inner diameter of the bracket should
align with the serrations on the barrel of the
gauge (see drawing above). Next, slide the
bracket over the barrel of the gauge and
press it firmly against back of panel. You
should hear the tab sliding over the
serrations.
Curtis enGage™ II mates with an 8-pin AMP
connector (AMP pins P/N 770904-X FOR
#18-24 AWG P/N 794821-1). A
preassembled mating connector kit (Curtis
P/N 17633308-03=AMP) with crimp-connect
terminated wires (approx. 127mm in length) is
also available.
Output and Warning LED
Function
Installation Procedure
1.
Mount unit in standard SAE round cutout.
2.
Connect supply voltage to pins indicated:
(V+) pin 4, (V-) pin 8.
3.
Connect pin 6, as appropriate for key switch, to
enable gauge display.
4.
Connect pin 5 as appropriate to input resistance
based senders.
5.
Connect pin 3 as appropriate to activate the hour
meter.
6.
Connect pin 7 to an audio, visual, horn, or other
warning device (load).
Caution:
Max current draw on
warning device is
0.5 Amps.
1.
2.
Pressure
LED
Activated
FET
Opens
LMB & RMB
LMB & RMB
KEY
RMB
= Right Most LCD Bar
LMB
= Left Most LCD Bar.
3
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