ACS Protocol

Charger Protocol

Probing and Connection

Channel	From	To	Meaning
360	CCU	Charger	ACS,hello,CHARGER - Probe for a control system.
360	Charger	CCU	ACS,welcome,device,information[...] - Controller reports existence.
360	CCU	Charger	ACS,interface,CHARGER - Request an interface.
360	Charger	CCU	ACS,interface,channel - Provide communication channel (large random negative number).
360	CCU	Charger	ACS,refuse,reason - CCU may refuse the connection.

Once connected, the charger and CCU communicate exclusively on the specified channel.

Initialization Messages

Sent by CCU after connection:

Channel	Message	Meaning
channel	ACS,powertype:EL	Unit uses electrical power. Required for charging.
channel	ACS,maxcharge:maxcharge	Unit’s maximum charge capacity in ticks.

Requested by Charger after connection:

Channel	Message	Meaning
channel	ACS,chargersummary:	Request information about the unit’s current charge state.

Reply Format: power,chargepct,tickstofull

Normal Charging Sequence

Channel	From	To	Meaning
channel	CCU	Charger	ACS,charging:1 - Indicates charging started.
channel	Charger	CCU	ACS,chargeseconds:n - Provides n ticks of charge.
channel	CCU	Charger	ACS,chargeticks:ticks - CCU reports charge level changes.
channel	CCU	Charger	ACS,charging:0 - Indicates charging ended.

Additional Messages (Sent by CCU Anytime)

Channel	Message	Meaning
channel	ACS,dump:key,string	Debugging info for a specific script in the charger.
channel	ACS,unitdisconnect:n	Allow (n=1) or prevent (n=0) unit disconnection while charging.
channel	ACS,power:n	Unit power ON (n=1) or OFF (n=0).
channel	ACS,stopcharge:	Signals the charger to stop charging.
channel	ACS,travel:n	Allow (n=1) or prevent (n=0) the unit from moving.

Disconnect Sequence

Channel	From	To	Meaning
channel	CCU	Charger	ACS,disconnect: - Tell CCU to disconnect.
channel	CCU	Charger	ACS,goodbye: - Indicates CCU is disconnecting.
360	Charger	CCU	ACS,goodbye: - Sent by charger if CCU resets (losing channel info).