Refer, At^sbc, Obile – Siemens MC55 User Manual
Page 430
MC55 AT Command Set
17.3 AT^SBC
s
m
obile
MC55_ATC_V01.05
Page 430 of 469
2/10/04
Confidential / Released
17.3
AT^SBC Battery charging / discharging and charge control
Responses returned by the
command vary with the operating mode of the ME:
• Normal mode: ME is switched on by Ignition pin and running the SLEEP, IDLE, TALK or DATA mode. Charger
is not connected.
can be used to query the battery capacity and the power consumption of ME and
application (if value of application was specified before as
).
• Normal mode + charging: Allows charging while ME is switched on by Ignition pin and running the SLEEP,
IDLE, TALK or DATA mode.
returns only charger status and power consumption of ME / application.
Percentage of battery capacity is not available.
• Charge-only mode: Allows charging while ME is detached from GSM network. When started, the mode is indi-
cated by the URC "^SYSSTART CHARGE-ONLY MODE".
returns only charger status and power
consumption of ME / application. Percentage of battery capacity is not available. In Charge-only mode a lim-
ited number of AT commands is accessible (see
). There are several ways to activate the Charge-only
mode:
- from Power Down mode: Connect charger while ME was powered down with
- from Normal mode: Connect charger, then enter
.
• Alarm mode: The battery can be charged while the ME stays in Alarm mode, but
returns only charger
status and power consumption of ME / application. Percentage of battery capacity is not available.
For details about charging please refer to
Syntax
Test Command
AT^SBC=?
Response(s)
^SBC:
s), (list of supported
s)
OK
Read Command
AT^SBC?
Response(s)
^SBC:
OK
ERROR
+CME ERROR:
Write Command
AT^SBC=
Response(s)
OK
ERROR
+CME ERROR: