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Haltech NEXUS R5 Quick Start Manual page 19

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8A High Current Outputs (8A HCO)
The NEXUS R5 features 12 high side outputs
which are capable of driving 8A to 12V.
Each output has a software programmable fuse
current.
Once the electronic fuse blows the output turns
off for a software programmable delay duration,
before reactivating the output.
Use the software to define the maximum
number of retries before the output is
deactivated until the next ECU reboot. The ECU
LEDs display the output state.
8A HCOs are PWM capable and can be used to
power CAN devices or solenoids.
They can also control automatic transmission
shift solenoids, water pumps, some nitrous and
transbrake solenoids etc.
Example Wiring Connections
8A HCO
Example Wiring Connections
25A HCO
Specs:
• Automatic overcurrent protection
• Flyback protected
• 0 to 30V voltage feedback
• High side current feedback
• 100Hz max switching speed
• Capable of 0-100% duty cycle
TO GROUND
TO GROUND
25A High Current Outputs
The NEXUS R5 features four high/low outputs
capable of sinking 25A to ground and driving
25A to 12V. Each output has a programmable
fuse current, slow-start current and duration.
Once the electronic fuse blows the output turns
off for a pre-programmed delay duration before
reactivating the output. Use the NSP software to
define the maximum number of retries before
the output is deactivated until the next ECU
reboot. The ECU LEDs display the output state.
25A HCOs are PWM capable and can be used
for ignition power and injector power as well
as to PWM thermofans and fuel pumps, control
transbrake solenoids, nitrous solenoids etc.
Specs:
• Automatic overcurrent protection
• Flyback protected
• -30 to 30V voltage feedback
• High side current feedback
• 1kHz max switching speed
• Capable of 0-100% duty cycle
19
THERMOFAN

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