Siemens AC75 manual Responses returned by read command

AC75 AT Command Set

19.4 AT^SBC

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Notes

•If multiplex mode (AT+CMUX) is active, any virtual channel can be used for entering the read or write com- mand. The undervoltage URC will be issued simultaneously on all three channels.

•Another URC type required for battery powered applications is the URC "^SYSSTART CHARGE ONLY MODE". It is indicated automatically when the module enters this mode (except when autobauding is active). See AT+CFUN for details.

19.4.1Responses returned by read command

Responses returned by the AT^SBC read command vary with the operating mode of the AC75:

•Normal mode: AC75 is switched on by Ignition pin and running in SLEEP, IDLE, TALK or DATA mode. Charger is not connected. The AT^SBC read command indicates the battery capacity and the current con- sumption of the application (if value of application was specified before as <current>).

•Normal mode + charging: Allows charging while AC75 is switched on by Ignition pin and running in SLEEP, IDLE, TALK or DATA mode. The AT^SBC read command returns only charger status and current consump- tion of the application. Percentage of battery capacity is not available.

•CHARGE ONLY mode: Allows charging while AC75 is detached from GSM network. When started, the mode is indicated by the URC "^SYSSTART CHARGE ONLY MODE". The AT^SBC read command returns only the charger status and current consumption of the application. Percentage of battery capacity is not available. In CHARGE ONLY mode a limited number of AT commands is accessible (see Appendix). There are several ways to activate the CHARGE ONLY mode:

-from POWER DOWN mode: Connect charger while the AC75 was powered down with AT^SMSO

-from Normal mode: Connect charger, then enter AT^SMSO.

AC75_ATC_V01.002	Page 488 of 569	10/30/06
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