• Registered: 2015-05-31
  • Posts: 16

Topic: Zada Tech Oil Pressure Sensor issue

Hi Stefan,

I bought a Zada Tech Oil Pressure Sensor
(http://zada-tech.com/products/sensors-r … ure-sensor) which I thought it was supported by FIS-Control.

I connect the '+' line to 5V, '-' to Gnd on FIS-Control and signal line to sensor input #1, #3 #5 on different test, but all does not work.

I have set the sensor input I tested to Zada Tech Oil Pressure in the settings, but my FIS-Control does not show measure view when I select Measure, it just stays in the main menu after I select Measure.

I can see there is 5 volts from 5V pin on FIS-Control and I can measure  0.57 volts when connected to sensor input #5.

The voltage of sensor input #5 rise as I press the throttle pedal.

I am running the latest firmware and I have a 2.2 ver. HW.

Is this caused by the sensor I chose is  not supported yet ? Thank you .

BRs,
Jeremy

  • From: Hessen / Germany
  • Registered: 2015-01-01
  • Posts: 2,142

Re: Zada Tech Oil Pressure Sensor issue

Hi Jeremy,

the Zadatech oil pressure sensor is supported by the FIS-Control.
It has an signal voltage between 0 and 5 volts. So connect it to sensor input 5, 6 or 7 of the FIS-Control.
Go to SETTINGS -> SENSORS and select "ZADA OIL-P" for the used sensor input.

According to you last config file, you have hidden the external sensors. In order to start a measurement, go to SETTINGS -> MASK and set the sensor inputs visible.

stefan@fis-control's Website

  • Registered: 2015-05-31
  • Posts: 16

Re: Zada Tech Oil Pressure Sensor issue

Hi Stefan,

Thank you. After unmask , I can see oil pressure now in measure view.

I have one more question. How do I know if my sensor has internal voltage divider and comes with 1.1k or 220 ohms resistor?

I connect my sensor to input #5 and I get 0 bar when my car is hot and idle, but I get 1 bar when connect to input #1. The value seems more normal when connect to input #1.

below values are what I tested with different sensor input:
Input    @a     @b     @c     @d        @e          @f
#1.      11.2     1.3     1        4.98V    0.99V     0.89V
#3.      11.2     6.1     6.1     4.98V    2.92V     2.92V
#5.      4.2       0.3    -0.5     0.11V    0.62V     0.27V

@a: Measure value when no sensor connected.
@b: Measure value with sensor connected and car at idle.
@c: Measure value with sensor connected and car is off.
@d: Voltage when no sensor connected.
@e: Voltage with sensor connected and car at idle.
@f: Voltage with sensor connected and car is off.

Thank you!

BRs,
Jeremy

  • From: Hessen / Germany
  • Registered: 2015-01-01
  • Posts: 2,142

Re: Zada Tech Oil Pressure Sensor issue

You have the FIS-Control 2.2. That means the sensor inputs 1 and 2 have voltage dividers with 1.1kOhms, and inputs 3 and 4 have 220 ohms and inputs 5, 6 and 7 have no voltage divider.
The inputs 5, 6 and 7 should be used for sensors that give a 0-5 volts output signal (like the Zadatech oil pressure sender).

To check that the FIS-Conrtol measures corretly, you can measure the voltage of the sensor, while it is not connected to the FIS-Control. Then compare it to the "ADC-VOLTAGE" reading of the FIS-Control. It should be the same.

stefan@fis-control's Website

  • Registered: 2015-05-31
  • Posts: 16

Re: Zada Tech Oil Pressure Sensor issue

Hi Stefan,

The voltage of the sensor while it is not connected to the FIS-Control is the same with ADC-VOLTAGE reading of sensor input 5.
I got 0.55V from ADC-VOLTAGE with sensor connected to input 5, but got 0.88V from ADC-VOLTAGE with sensor connected to input 1.

While the sensor is not connected to any sensor input, I got 0.55V also, same with that connected to input 5, but the BAR value is too low while connected to input 5. It keeps stays in 0 BAR when car is hot and idle and -0.5 BAR when car is off.

1. How does FIS-Control convert the voltage to BAR? Can it be adjustable?
2. I prefer the reading of sensor input 1. Is there any harm if I connected the sensor to input 1 instaed input 5?

Thank you :-)

BRs,
Jeremy

  • Registered: 2015-05-31
  • Posts: 16

Re: Zada Tech Oil Pressure Sensor issue

Hi Stefan,

I just saw there is a print shows 12V on the sensor. I think the wrong reading might caused by wrong power supply.
I will change and power supply first. Thank you :-)

BRs,
Jeremy

  • Registered: 2015-05-31
  • Posts: 16

Re: Zada Tech Oil Pressure Sensor issue

Hi Stefan,

After connected the sensor to a 12V power, the reading of input 5 becomes normal now.

Thanks for your prompt support. Thank you.

BRs,
Jeremy

  • Registered: 2024-12-30
  • Posts: 2

Re: Zada Tech Oil Pressure Sensor issue

Hi,

Sorry for the reupdate, but how you connect zadatech oil pressuresensor on 12v and after on input 5 in 0-5V?

  • From: Hessen / Germany
  • Registered: 2015-01-01
  • Posts: 2,142

Re: Zada Tech Oil Pressure Sensor issue

Hi, the Zada Tech Oil pressure sensor has three wires. Two of them are for power supply. So these have to be connected to 12 volts and ground.
The third wire is the output signal of the sensor. This wire outputs a signal between 0 and 5 volts and can be connected to input 5, 6 or 7 of the FIS-Control 2.2.

stefan@fis-control's Website

  • Registered: 2024-12-30
  • Posts: 2

Re: Zada Tech Oil Pressure Sensor issue

stefan@fis-control wrote:

Hi, the Zada Tech Oil pressure sensor has three wires. Two of them are for power supply. So these have to be connected to 12 volts and ground.
The third wire is the output signal of the sensor. This wire outputs a signal between 0 and 5 volts and can be connected to input 5, 6 or 7 of the FIS-Control 2.2.

Very Thank's for your response smile