Siemens AC75 - Manual (Page 506)

AC75 AT Command Set
19.9 AT^SWDAC
s
AC75_ATC_V01.002 Page 506 of 569 10/30/06
Confidential / Released
19.9 AT^SWDAC Configure and Read PWM Signal for DAC
The
AT^SWDAC
controls the PWM (Pulse Width Modulation) signals generated by means of the DAC_OUT pin
of the AC75 Module. The DAC_OUT pin is not available on the the AC75 Terminal, therefore
AT^SWDAC
applies
only to the AC75 Module.
Syntax
Parameter Description
Duty cycle in percentage steps
0...100
Open or close DAC
0
Close DAC
1 Open DAC
PWM frequency
0
320 Hz (accuracy of 1 percentage step)
1 970 Hz (accuracy of 3 percentage steps)
2 8,125 Hz (accuracy of 1 percentage step)
3 16,250 Hz (accuracy of 1 percentage step)
Test Command
AT^SWDAC=?
Response(s)
^SWDAC:
(list of supported
<dc>
s), (list of supported
<oc>
s), (list of supported
<fq>
s)
OK
Read Command
AT^SWDAC?
Response(s)
^SWDAC: <dc>
,
<oc>
,
<fq>
OK
ERROR
+CME ERROR: <err>
Write Command
AT^SWDAC= <dc>
[,
<oc>
[,
<fq>
]]
Response(s)
OK
ERROR
+CME ERROR: <err>
Reference(s) PIN ASC0 ASC1 USB MUX1 MUX2 MUX3 Charge
4
Last
SIEMENS - + + + + + + - + -
<dc>
(num)
<oc>
(num)
<fq>
(num)