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SECU-3 Micro Configure GAS_V as O/P

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jim-bartlett

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Posts: 3

Joined: 02 Nov 2016, 03:42

Location: Melbourne, Australia

Your CAR: 1968 Morris Mini

SECU version: official SECU-3 Micro


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Post 11 Feb 2017, 10:33

SECU-3 Micro Configure GAS_V as O/P

Hi. I'm in the process (finally) in configuring the SECU-3 Micro to drive my 1968 Morris 1310cc 4cyl Mini ignition. I will be using:

1. A Hall effect TPS -> CARB
2. A GM temp sensor -> TEMP
3. 1 wasted spark coil (VAG logic level, so will be driven directly from SECU-3 Micro -> IGN_OUT1 & IGN_OUT2
4. 1 VR CKP sensor using a 36-1 sensor wheel -> CKPS1 & CKPS2
5. GM 1Bar MAP Sensor -> MAP_S

My question is, can the GAS_V be configured as an O/P? I want to use it as an O/P to drive a solid state relay for my electric radiator fan.

Jim
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STC

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Posts: 6629

Joined: 30 Apr 2013, 23:41

Location: Ukraine

Your CAR: AZLK 2140

SECU version: DIY SECU-3


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Post 11 Feb 2017, 14:19

Re: SECU-3 Micro Configure GAS_V as O/P

Hi,
GAS_V is input, not output. Because, two existing outputs are already busy, the only way to control a relay is to add several components (transistor, two resistors and diode) and connect them to the one of MCU ports.
Author of the SECU-3™ project http://SECU-3.org. An open source engine control unit / Ignition control system, (C) 2007.
Клуб проекта в Facebook https://www.facebook.com/groups/secu3club
Клуб проекта ВКонтакте https://vk.com/secu3club (вступаем!)
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STC

User avatar

Posts: 6629

Joined: 30 Apr 2013, 23:41

Location: Ukraine

Your CAR: AZLK 2140

SECU version: DIY SECU-3


Has thanked: 823 times
Been thanked: 1334 times

Post 11 Feb 2017, 23:19

Re: SECU-3 Micro Configure GAS_V as O/P

For using electromechanical relay or solid-state relay:
cooling-fan-for-secu-3-micro.png
cooling-fan-for-secu-3-micro.png (1.75 KiB) Viewed 481 times
Author of the SECU-3™ project http://SECU-3.org. An open source engine control unit / Ignition control system, (C) 2007.
Клуб проекта в Facebook https://www.facebook.com/groups/secu3club
Клуб проекта ВКонтакте https://vk.com/secu3club (вступаем!)

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