Siemens AC75 ユーザーズマニュアル
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
0...100
Open or close DAC
0
0
Close DAC
1
Open DAC
PWM frequency
0
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
s), (list of supported
s)
OK
Read Command
AT^SWDAC?
Response(s)
OK
ERROR
+CME ERROR: <err>
Write Command
[,
]]
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)