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Wiki source code of HollySys PLC

Last modified by Wecon on 2025/09/03 21:04
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1 = **LK Modbus RTU ** =
2
3 Supported Series: HollySys LK series PLC
4
5 **V-BOX setting**
6
7 |**Items**|**Settings**|**Note**
8 |Protocol|HollySys LK Modbus RTU|
9 |Connection|RS485|
10 |Baud rate|38400|
11 |Data bit|8|
12 |Parity|None|
13 |Stop bit|1|
14 |Device station No.|1|
15
16 **Address List**
17
18 |=**Type**|=**Device registers**|=**Format**|=**Range**|=**Note**
19 |Bit|QX|QXDDDDD.dd|0~~65535.15|
20 |Bit|IX|IXDDDDD.dd|0~~65535.15|
21 |Bit|MX|MXDDDDD.dd|0~~65535.15|
22 |Word|QW|QWDDDDD|0~~99999|
23 |Word|IW|IWDDDDD|0~~99999|
24 |Word|MW|MWDDDDD|0~~99999|
25 |Word|MD|MDDDDDD|0~~99999|
26
27 **3）Cable Wiring**
28
29 [[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_e3620dfba17d0c4d.png||alt="Hollysys485-2.png" height="247" width="400"]]
30
31 == **LM Modbus RTU** ==
32
33 Supported Series: HollySys LM3109/LM3107 PLC
34
35 **V-BOX setting**
36
37 |**Items**|**Settings**|**Optional**|**Note**
38 |Protocol|HollySys LM Modbus RTU|HollySys LM Modbus RTU|
39 |Connection|RS232|RS485|
40 |Baud rate|38400|38400|
41 |Data bit|8|8|
42 |Parity|None|None|
43 |Stop bit|1|1|
44 |Device station No.|1|1|
45
46 **Address List**
47
48 |=**Type**|=**Device registers**|=**Format**|=**Range**|=**Note**
49 |Bit|QX|QXDDDDD.o|0~~99999.7|
50 |Bit|IX|IXDDDDD.o|0~~99999.7|
51 |Bit|MX|MXDDDDD.o|0~~99999.7|
52 |Word|QW|QWDDDDD|0~~99999|
53 |Word|IW|IWDDDDD|0~~99999|
54 |Word|MW|MWDDDDD|0~~99999|
55 |Word|MD|MDDDDDD|0~~99999|
56
57 **Cable Wiring**
58
59 RS232
60
61 [[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_f3891a236efc8665.png||alt="HollySysRS232.png" height="247" width="400"]]
62
63 RS485
64
65 {{id name="IHollysysLMModbusRTU.gif"/}}[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_eb81e5d8a6025505.gif||alt="Hollysys LM Modbus RTU.gif" height="247" width="400"]]