9 at^swdac configure and read pwm signal for dac, Ac75 at command set – Siemens AC75 User Manual
Page 506
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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
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
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
s), (list of supported
OK
Read Command
AT^SWDAC?
Response(s)
^SWDAC:
OK
ERROR
+CME ERROR:
Write Command
Response(s)
OK
ERROR
+CME ERROR:
Reference(s)
PIN
ASC0 ASC1 USB MUX1 MUX2 MUX3 Charge
4
Last
SIEMENS
-
+
+
+
+
+
+
-
+
-
(num)
(num)
(num)