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Pinout

Here you can find all the connectors pinout.

Note

All the part numbers are for the mating connectors

Top view

_img/pinout/pinout_top.jpg
Number Description Part Number
1 Micro USB host  
2 SD  
3 Contactor Wurt Elektronik - 662008113322
4 Power input Wurt Elektronik - 662004113322
5 Current sensors JST - PHR-6

Bottom view

_img/pinout/pinout_bottom.png
Number Description Part Number
6 Ethernet  
7 AUX JST - PHR-10
8 AUX2 JST - PHR-3
9 RCD JST - PHR-4
10 I2C JST - PHR-5

Front view

_img/pinout/pinout_front.png
Number Description Part Number
11 Front Panel JST - PHR-5

Connectors

1. Micro USB host

Warning

Max 250 mA

2. SD

Micro SD slot to expand storage

3. Contactor

Drive contactors and check stuck condition.

_img/pinout/contactor_connector.jpg
Pin Signal Description
1 N Neutral
2 N Neutral
3 Ns Neutral out sense (not used)
4 LAs1 Line out sense A input 1
5 CL2 Contactor 2 Live terminal
6 CL1 Contactor 1 Live terminal
7 LBs1 Line out sense B input 1
8 LAs2 Line out sense A input 2

LAs1, LAs2 and LBs1 are connected to optocouplers to detect high voltages at the output of the contactor, to detect a welded contact.

Contactor coils can be driven by internal relays output. Connect the main one on pin 2 and 6, and the secondary one to pins 1 and 5.

Check the :doc:`Connection diagram <./conn_diagram>` for more details

_img/conn_diagram/contactors.png

4. Power input

Connects to neutral and all phases available (1 or 3).

_img/pinout/pwr_connector.jpg
Pin Signal Description
1 L3 Phase 3
2 L2 Phase 2
3 N Neutral
4 L1 Phase 1

5. Current sensors

Connects to the TA current sensor(s).

_img/pinout/curr_sensor_connector.png
Pin Signal Description
1 A_P Phase A TA input +
2 A_N Phase A TA input -
3 B_P Phase B TA input +
4 B_N Phase B TA input -
5 C_P Phase C TA input +
6 C_N Phase C TA input -

6. Ethernet

7. AUX

_img/pinout/aux_connector.png
Pin Signal Description
1 PO2 Pilot signal out 2
2 PO1 Pilot signal out 1
3 RSB RS485 -
4 RSA RS485 +
5 CANH CAN high
6 CANL CAN low
7 LEDOUT Programmable digital output, internally pulled up
8 GND Ground
9 GND Ground
10 VCC 5V

8. AUX2

_img/pinout/aux2_connector.png
Pin Signal Description
1 VCC 5V
2 LEDOUT Programmable digital output, internally pulled up
3 GND Ground

Connector internal schematic:

_img/conn_diagram/ledout.png

9. RCD

Connects to an RCM14-03 residual current monitor.

_img/pinout/rcd_connector.png
Pin Signal Description
1 GND Ground
2 +12V 12V
3 TEST RCD test output
4 RCD_FAULT RCD fault input

10. I2C

I2C bus for communications. Internal 4K7 resistors.

_img/pinout/5x1_connector.png
Pin Signal Description
1 NC -
2 SCL I2C SCL
3 SDA I2C SDA
4 3V3 3.3V
5 GND Ground

11. Front Panel

Connects to front panel.

Warning

All logic must be at 3.3V

_img/pinout/5x1_connector.png
Pin Signal Description
1 RST Reset
2 RX Serial receive
3 TX Serial transmit
4 5V 5V
5 GND Ground
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