51modbus已试验通过的绝对可用！

charls · 发表于 2012-9-16 21:18:32

51modbus已试验通过的绝对可用！ STC单片机试过的

snail_dongbin · 发表于 2012-9-16 21:33:40

留下备用！当年为和plc通信折腾过，后来成功了！没没在深究

hkys_xxzh · 发表于 2012-9-16 22:21:54

学习一下！这玩意挺有用的

HeP028 · 发表于 2012-9-16 22:32:48

兄弟能讲下你的理解吗？？？？
我最近也在学这个东西，不过不明白，而且也不知道到底如何来测试，能做个示范吗？

jetli · 发表于 2012-9-16 22:47:48

给多点说明啊，光个程序，，，，连接到神马设备都不知道，

lyg407 · 发表于 2012-9-17 11:31:33

先顶一个，一直没用过。想学习学习了。哈哈。

xshflove · 发表于 2012-9-17 11:37:03

支持，能不能多给点说明。

lryxr2507 · 发表于 2012-9-17 13:06:08

留下了,偶尔在测试.

pulan · 发表于 2012-9-17 13:27:06

留下了,偶尔在测试

fangmcu · 发表于 2012-9-17 13:42:22

下载了，谢谢了，一直想搞这个！！就是没时间（借口）

CK345 · 发表于 2012-9-17 14:43:31

哈哈，想当年也折腾过，懂了感觉蛮简单的，最好自己写个。

charls · 发表于 2012-9-17 15:44:51

好的，补充测试报文。附件较大只能贴了，
1    [00053648]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
2    [00053649]  IRP_MJ_READ                   Length: 0001, Data: 0C
3    [00053649]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
4    [00053650]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
5    [00053651]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
6    [00053651]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
7    [00053652]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
8    [00053653]  IRP_MJ_READ                   Length: 0001, Data: 0C
9    [00053653]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
10    [00053654]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
11    [00053655]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
12    [00053655]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
13    [00053656]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
14    [00053657]  IRP_MJ_READ                   Length: 0001, Data: 0C
15    [00053657]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
16    [00053658]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
17    [00053659]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
18    [00053659]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
19    [00053660]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
20    [00053661]  IRP_MJ_READ                   Length: 0001, Data: 0C
21    [00053661]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
22    [00053662]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
23    [00053663]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
24    [00053663]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
25    [00053664]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
26    [00053665]  IRP_MJ_READ                   Length: 0001, Data: 0C
27    [00053665]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
28    [00053666]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
29    [00053667]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
30    [00053667]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
31    [00053668]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
32    [00053669]  IRP_MJ_READ                   Length: 0001, Data: 0C
33    [00053669]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
34    [00053670]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
35    [00053671]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
36    [00053671]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
37    [00053672]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
38    [00053673]  IRP_MJ_READ                   Length: 0001, Data: 0C
39    [00053673]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
40    [00053674]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
41    [00053675]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
42    [00053675]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
43    [00053676]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
44    [00053677]  IRP_MJ_READ                   Length: 0001, Data: 0C
45    [00053677]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
46    [00053678]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
47    [00053679]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
48    [00053679]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
49    [00053680]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
50    [00053681]  IRP_MJ_READ                   Length: 0001, Data: 0C
51    [00053681]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
52    [00053682]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
53    [00053683]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
54    [00053683]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
55    [00053684]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
56    [00053685]  IRP_MJ_READ                   Length: 0001, Data: 0C
57    [00053685]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
58    [00053686]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
59    [00053688]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
60    [00053688]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
61    [00053689]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
62    [00053690]  IRP_MJ_READ                   Length: 0001, Data: 0C
63    [00053690]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
64    [00053691]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
65    [00053692]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
66    [00053692]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
67    [00053693]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
68    [00053694]  IRP_MJ_READ                   Length: 0001, Data: 0C
69    [00053694]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
70    [00053695]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
71    [00053696]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
72    [00053696]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
73    [00053697]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
74    [00053698]  IRP_MJ_READ                   Length: 0001, Data: 0C
75    [00053698]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
76    [00053699]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
77    [00053700]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
78    [00053700]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
79    [00053701]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
80    [00053702]  IRP_MJ_READ                   Length: 0001, Data: 0C
81    [00053702]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
82    [00053703]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
83    [00053704]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
84    [00053704]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
85    [00053705]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
86    [00053706]  IRP_MJ_READ                   Length: 0001, Data: 0C
87    [00053706]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
88    [00053707]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
89    [00053708]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
90    [00053708]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
91    [00053709]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
92    [00053710]  IRP_MJ_READ                   Length: 0001, Data: 0C
93    [00053710]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
94    [00053711]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
95    [00053712]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
96    [00053712]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
97    [00053713]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
98    [00053714]  IRP_MJ_READ                   Length: 0001, Data: 0C
99    [00053714]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
100    [00053715]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
101    [00053716]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
102    [00053716]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
103    [00053717]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
104    [00053718]  IRP_MJ_READ                   Length: 0001, Data: 0C
105    [00053718]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
106    [00053719]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
107    [00053720]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
108    [00053720]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
109    [00053721]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
110    [00053722]  IRP_MJ_READ                   Length: 0001, Data: 0C
111    [00053722]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
112    [00053723]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
113    [00053724]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
114    [00053724]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
115    [00053725]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
116    [00053726]  IRP_MJ_READ                   Length: 0001, Data: 0C
117    [00053726]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
118    [00053727]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
119    [00053728]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
120    [00053728]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
121    [00053729]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
122    [00053730]  IRP_MJ_READ                   Length: 0001, Data: 0C
123    [00053730]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
124    [00053731]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
125    [00053733]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
126    [00053733]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
127    [00053734]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
128    [00053735]  IRP_MJ_READ                   Length: 0001, Data: 0C
129    [00053735]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
130    [00053736]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
131    [00053737]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
132    [00053737]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
133    [00053738]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
134    [00053739]  IRP_MJ_READ                   Length: 0001, Data: 0C
135    [00053739]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
136    [00053740]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
137    [00053741]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
138    [00053741]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
139    [00053742]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
140    [00053743]  IRP_MJ_READ                   Length: 0001, Data: 0C
141    [00053743]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
142    [00053744]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
143    [00053745]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
144    [00053745]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
145    [00053746]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
146    [00053747]  IRP_MJ_READ                   Length: 0001, Data: 0C
147    [00053747]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
148    [00053748]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
149    [00053749]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
150    [00053749]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
151    [00053750]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
152    [00053751]  IRP_MJ_READ                   Length: 0001, Data: 0C
153    [00053751]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
154    [00053752]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
155    [00053753]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
156    [00053753]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
157    [00053754]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
158    [00053755]  IRP_MJ_READ                   Length: 0001, Data: 0C
159    [00053755]  IRP_MJ_WRITE                   Length: 0008, Data: 01 03 00 66 00 06 25 D7
160    [00053756]  IRP_MJ_READ                   Length: 0006, Data: 01 03 0C 00 00 00
161    [00053757]  IRP_MJ_READ                   Length: 0011, Data: 00 00 00 00 19 00 00 00 00 8E B2
162    [00053757]  IRP_MJ_WRITE                   Length: 0008, Data: 01 01 00 00 00 10 3D C6
163    [00053758]  IRP_MJ_READ                   Length: 0006, Data: 01 01 02 3F 00 A8
164    [00053759]  IRP_MJ_READ                   Length: 0001, Data: 0C

charls · 发表于 2012-9-17 15:47:11

在STC12C5A60S2上测试成功。能强制输出P口。具体大家看程序。能读写寄存器，以上是报文，

inovar · 发表于 2012-9-20 01:06:14

学习了，虽然现在不懂楼主什么意思

keil_c51 · 发表于 2012-9-20 01:17:52

这个好像还分2种，一种16进制的，一种ask码的

lovebear · 发表于 2012-9-20 09:49:42

好东西啊

myhonour · 发表于 2012-9-20 14:42:18

需要再次顶啊需要再次顶啊

314296761 · 发表于 2012-10-15 15:37:51

顶下，必须的。

wkman · 发表于 2012-10-16 08:26:22

charls 发表于 2012-9-17 15:47
在STC12C5A60S2上测试成功。能强制输出P口。具体大家看程序。能读写寄存器，以上是报文， ...

请问下，，，51－》485－》线－》接的哪种 PLC 还是变频器？品牌、规格？

charls · 发表于 2012-10-16 22:44:37

这个是Modbus从机

Making · 发表于 2012-10-19 10:36:37

看看

any_014 · 发表于 2013-2-27 14:17:43

谢谢分享，为何都缩进到头了？

jsntzxh · 发表于 2013-3-1 14:54:21

学习一下

fish198868 · 发表于 2013-3-13 12:12:22

好东西呀，不知是否有AVR方面的。

liaoya0000 · 发表于 2013-11-14 13:15:46

报文是通过上位机看的吗

bbsview · 发表于 2013-12-30 09:45:26

先收藏，抽空看一下

mangocity · 发表于 2013-12-30 10:10:33

我看不出来T1.5,T3.5在哪。玩玩可以。

Chris_gong · 发表于 2015-7-13 07:59:40

收藏学习下

sunzhuojun · 发表于 2015-7-13 09:22:33

留下备用！

谢谢楼主

51modbus已试验通过的绝对可用！

本帖子中包含更多资源

阿莫论坛20周年了！感谢大家的支持与爱护！！

51modbus已试验通过的 绝对可用！

本帖子中包含更多资源

阿莫论坛20周年了！感谢大家的支持与爱护！！

51modbus已试验通过的绝对可用！