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Changes for page 3.5.03 MC_PWM

Last modified by xingzhi lin on 2025/12/03 23:06
From version 2.1
edited by xingzhi lin
on 2025/12/03 23:05
Change comment: There is no comment for this version
To version 1.1
edited by xingzhi lin
on 2025/12/03 17:15
Change comment: There is no comment for this version

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1 -== **Instruction format** ==
2 -
3 -|**Instruction**|(% colspan="2" %)MC_PWM (FB)
4 -|**Name**|(% colspan="2" %)Pulse width modulation
5 -|(% colspan="2" %)**Graphical performance**|**ST performance**
6 -|(% colspan="2" %)[[image:file:///C:/Users/111/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]](((
7 -(% style="text-align:center" %)
8 -[[image:1764774334496-387.png]]
9 -)))|(((
10 -MC_PWM(
11 -
12 -Enable: =
13 -
14 -OutputPort: =
15 -
16 -PulsePeriod: =
17 -
18 -PulseWidth: =
19 -
20 -InVelocity=>,
21 -
22 -Busy=>,
23 -
24 -Error=>,
25 -
26 -ErrorID=>);
27 -)))
28 -
29 -
30 -
31 -== **Related variables** ==
32 -
33 -|**Input variables**|**Name**|**Data type**|**Effective range**|**Initial value**|**Description**
34 -|Enable|Enable|BOOL|[FALSE, TRUE]|FALSE|Level trigger
35 -|OutputPort|Pulse output port|BYTE|[0, 2, 4, 6]|0|PWM output port, support D0, D2, D4, D6 only
36 -|PulsePeriod|Pulse width|UINT|[0,65535]|0|Period: The width of the complete square wave. Unit: 1us
37 -|PulseWidth|High-level pulse width|UINT|[0,65535]|0|The width of the high level of the square wave. Unit: 1us
38 -
39 -
40 -
41 -|**Output variables**|**Name**|**Data type**|**Effective range**|**Initial value**|**Description**
42 -|InVelocity|Reaching set value flag|BOOL|[FALSE, TRUE]|FALSE|The pulse width frequency reaches the set value.
43 -|Busy|Execution flag|BOOL|[FALSE, TRUE]|FALSE|Execute output PWM square wave.
44 -|Error|Error flag|BOOL|[FALSE, TRUE]|FALSE|TRUE when an error occurred inside the function block.
45 -|ErrorID|Error ID|MC_ERROR|-|MC_NO_ERROR|Error ID, refer to MC_ERROR.
46 -
47 -
48 -
49 -== **Function description** ==
50 -
51 -(1) This function block realizes dynamic pulse width modulation;
52 -
53 -(2) After D0/D2/D4/D6 is configured as PWM function, control of D0 + D1/ D2 + D3/ D4 + D5 /D6 + D7 outputs is not allowed, during the execution of MC_PWM function block.
54 -
55 -
56 -== **Sequence diagram** ==
57 -
58 -(% style="text-align:center" %)
59 -[[image:1764774322875-747.png]]
60 -
61 -
62 -
63 -
64 -
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