Charging Station Contactor¶

Description.

This message is to communicate to the CS to control the main power contactor.

IMPORTANT.

For AC and DC this message is being sent after PowerDeliveryReq.

For DC in specific, this message is also sent during CableCheck.

Note.

In general a contactor is closed when the following requirements are met:

Positive Authorization (External, PnC, …)

Detection of state C/D

A contactor shall be opened in case:

Of an emergency stop
Authorization to stop charging (including remote stop operation)
No state C or D detected any longer
Or any other error

CsContactorStatusRequest¶

Topic: josev/cs. Used to get the status of the power contactor.
type	object
properties
id	type	string
	format	uuid
name	const	cs_contactor_status
type	const	request
data	type	object
	properties
	evse_id	type	string

Example:

{
    "id": "79ac862e-d0a7-4eef-98b5-c827be3bd669",
    "name": "cs_contactor_status",
    "type": "request",
    "data": {
        "evse_id": "DE*SEV*E123456789",
    }
}

CsContactorStatusResponse¶

Topic: cs/josev. Used to respond to CsContactorStatusRequest.
type	object
properties
id	type	string
	format	uuid
name	const	cs_contactor_status
type	const	response
data	type	object
	properties
	evse_id	type	string
	status	enum	closed, opened, error
	info	type	string

Example:

{
    "id": "79ac862e-d0a7-4eef-98b5-c827be3bd669",
    "name": "cs_contactor_status",
    "type": "response",
    "data": {
        "evse_id": "DE*SEV*E123456789",
        "status": "closed" # "opened", # "error"
        "info": "" # optional field, we may fill with contactor info
    }
}

CsContactorStatusUpdate¶

Topic: cs/josev. Used to update the status of the contactor.
type	object
properties
id	type	string
	format	uuid
name	const	cs_contactor_status
type	const	update
data	type	object
	properties
	evse_id	type	string
	status	enum	closed, opened, error
	info	type	string

Example:

{
    "id": "79ac862e-d0a7-4eef-98b5-c827be3bd669",
    "name": "cs_contactor_status",
    "type": "update",
    "data": {
        "evse_id": "DE*SEV*E123456789",
        "status": "closed" # "opened", # "error"
        "info": "" # optional field, we may fill with contactor info
    }
}