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3.2 Inputs and outputs

Version 1.2 by Admin on 2024/12/19 11:15

Configuration

Inputs and outputs

Discrete inputs

The BMS Main X device has 4 discrete inputs of the "dry contact" type. For each discrete input, its assignment and inversion flag are set.

Assignments of discrete inputs are configured in the "Signals - Input discrete signals - Assignments" section:

1734356322695-445.png

The device supports the following discrete inputs assignments:

  • No input – input is not used;
  • Battery cover – a signal from the battery cover;
  • Charge request – a request to close the main charging contactor;
  • Precharge request – a request to close the main precharging contactor;
  • Discharge request – a request to close the main discharging contactor;
  • Charging contactor feedback – a feedback signal from the charging contactor;
  • Discharging contactor feedback – a feedback signal from the discharging contactor;
  • Charging/Discharging contactor feedback – a feedback signal from the charging/discharging contactor;
  • Insulation status – a signal from an insulation monitoring device;
  • Join to charge – a request to join (connect in parallel) battery modules to charge the battery;
  • Join to discharge – a request to join (connect in parallel) battery modules to discharge the battery.

Inversion flags for discrete inputs are configured in the "Signals - Input discrete signals - Inversion" section:

1734356322698-182.png

Discrete outputs

The BMS Main X device has 4 +5V digital outputs. For each discrete output, its assignment and inversion flag are set.

Assignments of discrete outputs are configured in the "Signals - Output discrete signals - Assignments" section:

1734356322699-904.png

The device supports the following digital output assignments:

  • No output – output is not used.

Inversion flags for discrete outputs are configured in the "Signals - Output discrete signals - Inversion" section:

1734356322700-310.png

Relays

The BMS Main X device has 3 opto-relays for controlling main contactors. For each opto-relay, its assignment and inversion flag are set.

Assignments of relays are configured in the "Signals - Relays - Assignments" section:

1734356322702-918.png

The device supports the following relay assignments:

  • No relay – relay is not used;
  • Charging – main charging contactor;
  • Precharging – main precharging contactor;
  • Discharging – main discharging contactor;
  • Charging/Discharging – main charging/discharging contactor.

Inversion flags for relays are configured in the “Signals – Relays – Inversion” section:

1734356322702-133.png