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Auxiliary Outputs

There are 4 user programmable auxiliary outputs. that can be used as either PWM or digital.

Digital outputs can be either ON or OFF depending on the programmable conditions. These outputs can be used to control relays that need to be turned on or off to control devices such as thermo fans or shift lights.

The pulse width modulated outputs (pwm) give a pulsing signal that varies the ratio of on and off time, this is referred to as duty. A signal that gives 75% on time and 25% off time is referred to as 75% duty. The ratio can be varied according to Load, RPM or TPS values via the user programmable table. This will give a varying average current to the device being controlled. Typically these outputs are used to control devices such as idle control valves and boost control valves.

Reverse Acting

Ticking the reverse acting box will cause the output to reverse its state. When the activation criterion is true then the output will be OFF. This is useful when activating relays that are normally closed. When the output is used as a PWM output then this will reveres the duty.

Mode No

Output Mode

Activation criteria

0

Off

1

Digital

RPM

2

Digital

Manifold Pressure

3

Digital

Throttle position

4

Digital

Engine temp

5

Digital

RPM and Manifold Pressure

6

Digital

RPM and throttle position

7

Fuel Pump o/p

Automatic

8

Tacho o/p

Automatic

9

PWM

RPM

10

PWM

Manifold Pressure

11

PWM

Throttle position

12

PWM control for idle control.

RPM, TPS and Load

13

Digital

Air conditioner clutch control

Auxiliary Output Modes

Digital Output modes 1, 2, 3, 4, 5, 6 All digital modes follow a set comparison sequence. If a comparison field is set to OFF then the system will skip to next comparison sequence.

Stinger 4 instruction manual version 2.0

Page

48

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