CONTROLS, INCORPORATED
C O N T R O L S Y S T E M S & S O L U T I O N S
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1) Analog 1 Function Options
1) Fuel Level S-W – Fuel amount, in percentage, can be measured and displayed on the C3
module using a standard Stewart Warner scale sender of 240 ohms – 33 ohms. 240 =
Empty and 33 = Full. Sender ground must be common with battery negative.
2) Fuel Level VDO – Fuel amount, in percentage can be measured and displayed on the C3
module using a VDO scale sender of 10 ohms – 180 ohms. 10 = Empty and 180 = Full.
Sender ground must be common with battery negative.
3) Oil Pressure PSI – Oil pressure, in PSI, can be measured and displayed on the C3 module
using a standard Stewart Warner scale sender of 240 ohms – 33 ohms. 240 = 0 PSI and
33 = 100 PSI. Sender ground must be common with battery negative.
4) Oil Pressure bar – Oil pressure, in bar, can be measured and displayed on the C3 module
using a standard Stewart Warner scale sender of 240 ohms – 33 ohms. 240 = 0 bar and
33 = 7 bar. Sender ground must be common with battery negative.
5) Oil Pressure VDO PSI – Oil pressure, in PSI, can be measured and displayed on the C3
module using a standard Stewart Warner scale sender of 10 ohms – 180 ohms. 10 = 0 PSI
and 180 = 150 PSI. Sender ground must be common with battery negative.
6) Oil Pressure bar – Oil pressure, in bar, can be measured and displayed on the C3 module
using a standard Stewart Warner scale sender of 10 ohms – 180 ohms. 240 = 0 bar and
33 = 10 bar. Sender ground must be common with battery negative.
7) Rheostat – Speed control can be accomplished by connecting a 5 K potentiometer in series
with the flex analog input. Engine speed will vary with the change in resistance value.
8) 0 - 5 VDC – Reserved for OEM applications.
9) Ratiometric - Reserved for OEM applications.
10) 4-20mA - Reserved for OEM applications.
11) Switch – This setting allows for a switch to be connected rather than an analog sender. Set
Analog 1 Message to assign a label to the switch device.
12) None – Set to None when no functionality is required.
2) Digital Function Options
The digital inputs can be configured for different uses depending on the application. These
include the following.
1) Alarm – Engine shutdown when active with display message as assigned. A red lamp will
also be illuminated.
2) Pre Alarm – Warning message will be displayed along with a yellow lamp when active.
3) Low Float – For auto start applications where a dual float system is desired. Note, Digital 1
Action must be configured for Auto Start.
4) Aux Throttle Up – Mimics the front panel key press for speed control.
5) Aux Throttle Down - Mimics the front panel key press for speed control.
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General