RJ45 Ethernet jack Ports specifications

Beatriz

Hello,

I'm in the process of replacing and adapting a number of protocols in wich bcontrol was being used to the bpod setup.
Could I get some information about the ports (the A31442-N Ethernet Jack ones) and the way its 8 pins are specified? Is it the same, with the Digital Input, Digital Output, GND, +5V, +12V, -12V, Analog Input and Analog Output?

Thank you!

Josh

Hi Beatriz

As you face the Ethernet jack, the port wiring for Bcontrol was (from left to right):

1. Analog Input (Used for photo-gate)
2. Digital Output 1 (N/C)
3. Digital Output 2 (LED)
4. VCC (+5VDC, used for infrared emitter)
5. GND (Digital)
6. +12VDC (power for valve)
7. GND (MOSFET Drain, for 12V valve)
8. Analog Output (N/C)

Bpod 0.5 does not have analog input or output lines - though we will add analog functionality in the near future.
As you face the Ethernet jack, the Bpod port pinout is:

1. Digital Input (Used for photo-gate)
2. 3.3V
3. PWM Digital Output (3.3V, for LED)
4. VCC (+5VDC, used for infrared emitter)
5. GND (Digital)
6. +12VDC (power for valve)
7. GND (MOSFET Drain, for 12V valve)
8. N/C

I hope this helps! It will be added to the wiki soon, with a diagram showing the layout.

Beatriz

It did, Josh, thank you for all the clarifications!

rozmar

Hi,
Could you please specify the pin out for the Serial ports as well? Can't find it anywhere.
Thanks,
Márton

Josh

Hi Marton,

For state machine r0.7 - 2.0:

As you face the Module jack on the state machine (with pin#1 on the left), the lines are:
Pin#1: Y (RS-485 non-inverting driver output)
Pin#2: Z (RS-485 inverting driver output)
Pin#3: B (RS-485 inverting receiver input)
Pin#4: A (RS-485 non-inverting receiver input)
Pin#5: Power supply +9VDC (supplies up to 100mA per channel)
Pin#6: Power supply GND (isolated from other channels and state machine digital ground)
Pin#7: Reserved for future use
Pin#8: Reserved for future use

More information about the first 4 pins is available in the RS-485 IC datasheet, here (see table 7).

I hope this helps!

-Josh

rozmar

Thank you

andy

Hi Marton,

For state machine r0.7 - 2.0:

As you face the Module jack on the state machine (with pin#1 on the left), the lines are:
Pin#1: Y (RS-485 non-inverting driver output)
Pin#2: Z (RS-485 inverting driver output)
Pin#3: B (RS-485 inverting receiver input)
Pin#4: A (RS-485 non-inverting receiver input)
Pin#5: Power supply GND (isolated from other channels and state machine digital ground)
Pin#6: Power supply +9VDC (supplies up to 100mA per channel)
Pin#7: Reserved for future use
Pin#8: Reserved for future use

More information about the first 4 pins is available in the RS-485 IC datasheet, here (see table 7).

I hope this helps!

-Josh

Using the Teensy shield and the SNES module as references, I believe the above description has pins 5 and 6 incorrectly swapped?
Should the pinout instead be the following? -

Pin#1: Y (RS-485 non-inverting driver output)
Pin#2: Z (RS-485 inverting driver output)
Pin#3: B (RS-485 inverting receiver input)
Pin#4: A (RS-485 non-inverting receiver input)
[b]Pin#5: Power supply +9VDC (supplies up to 100mA per channel)
[b]Pin#6: Power supply GND (isolated from other channels and state machine digital ground)
Pin#7: Reserved for future use
Pin#8: Reserved for future use

-Andy

Josh

Hi Andy,

Good catch! I fixed it in the original post.

Thanks
-Josh