Changes for page 07 Communication

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Parent

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1		-PLC Editor.WebHome
	1	+PLC Editor.1 User Manual.WebHome

Author

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1		-XWiki.DevinChen
	1	+XWiki.admin

Content

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1		-= **PLC COM2 Modbus RTU** =
	1	+= **1 PLC COM2 Modbus RTU** =
2	2
3		-== **Protocol Setting (D8126)** ==
	3	+== **1.1 Protocol Setting (D8126)** ==
4	4
5	5	|=(% scope="row" %)**Protocol**|=**Description**|=**Value of D8126**
6	6	|=WECON PLC Protocol|Using WECON PLC Protocol|01H
7	7	|=MODBUS RTU Master|PLC is slave device|02H
8	8	|=MODBUS ASCII Master|PLC is slave device|03H
9		-|=User-defined Protocol|Using User-defined Protocol|10H
10	10	|=MODBUS RTU Slave|PLC is master device|20H
11	11	|=MODBUS ASCII Slave|PLC is master device|30H
12	12
13		-== **Communication format (D8120)** ==
	12	+== **1.2 Communication Format (D8120)** ==
14	14
15	15	(% border="1" %)
16	16	|(% rowspan="2" %)**Item**|(% rowspan="2" %)**parameter**|(% colspan="8" %)**Bit value of D8120**
...	...	@@ -39,14 +39,11 @@
39	39	|Even|-|-|-|-|-|1|1|-
40	40	|(% rowspan="2" %)Data bit|7 bit|-|-|-|-|-|-|-|0
41	41	|8 bit|-|-|-|-|-|-|-|1
42		-|(% colspan="10" %)Example: the communication format is 9600.1.8.None, b7b6b5b4=1000, b3=0, b2b1=00, b 0=1. D8120=81H ( (10000001),,2,,=81H, 81H means hexadecimal number)
	41	+|(% colspan="10" %)Example: the communication format is 9600.1.8.None, b7b6b5b4=1000, b3=0, b2b1=00, b 0=1. D8120=81H ( (10000001),,2,,=81H, 81H means [[hexadecimal>>path:C:/Users/Administrator/AppData/Local/Yodao/DeskDict/frame/20140818134937/javascript:void(0);]] [[number>>path:C:/Users/Administrator/AppData/Local/Yodao/DeskDict/frame/20140818134937/javascript:void(0);]])
43	43
44		-(% class="box infomessage" %)
45		-(((
46	46	**✎Note:** If use Data bit=7.Parity can not choose None.
47		-)))
48	48
49		-== **WECON PLC - MODBUS (Slave) addresses rules** ==
	45	+== **1.3 WECON PLC - MODBUS (Slave) addresses rules** ==
50	50
51	51	(% border="1" %)
52	52	|(% colspan="3" %)** PLC Bit Address**
...	...	@@ -57,9 +57,9 @@
57	57	|S0 ~~ S999|0xE000 ~~ 0xE3E7|57344 ~~ 58343
58	58	|T0 ~~ T256|0xF000 ~~ 0xF100|61440 ~~ 61696
59	59	|C0 ~~ C255|0xF400 ~~ 0xF4FF|62464 ~~ 62719
60		-|X0 ~~ X377|0xF800 ~~ 0xF8FF|63488 ~~ 63743
61		-|Y0 ~~ Y377|0xFC00 ~~ 0xFCFF|64512 ~~ 64767
62		-|(% colspan="3" %)** PLC Word Address**
	56	+|X0 ~~ X255|0xF800 ~~ 0xF9FE|63488 ~~ 63998
	57	+|Y0 ~~ Y255|0xFC00 ~~ 0xFDFE|64512 ~~ 65022
	58	+|(% colspan="3" %)** PLC Word Address**
63	63	|(% rowspan="2" %)PLC Address|(% colspan="2" %)MODBUS Address
64	64	|Hex|Decimal
65	65	|D0 ~~ D8255|0 ~~ 0x203F|0 ~~ 8255
...	...	@@ -67,9 +67,9 @@
67	67	|C0 ~~ C199|0xF400 ~~ 0xF4C7|62464 ~~ 62663
68	68	|C200 ~~ C255|0xF700 ~~ 0xF7FF|63232 ~~ 63487
69	69
70		-== **MODBUS function code introduction** ==
	66	+== **1.4 MODBUS Function Code Introduction** ==
71	71
72		-**Function code 0x01(01): read coil (bit address)**
	68	+**(1) Function code 0x01(01): read coil (bit address)**
73	73
74	74	Frame format: Station number of slave&0x01 + start address + number of coils + CRC
75	75
...	...	@@ -81,7 +81,7 @@
81	81	|4|(% style="width:352px" %)Number of coils|(% style="width:252px" %)2 bytes|
82	82	|5|(% style="width:352px" %)CRC|(% style="width:252px" %)2 bytes|
83	83
84		-**Function code 0x03(03): read register (word address)**
	80	+**(2) Function code 0x03(03): read register (word address)**
85	85
86	86	Frame format: Station number of slave&0x03 + start address+ number of registers + CRC
87	87
...	...	@@ -93,7 +93,7 @@
93	93	|4|Number of registers|2 bytes|
94	94	|5|CRC|2 bytes|
95	95
96		-**Function code 0x05(05): write single coil**
	92	+**(3) Function code 0x05(05): write single coil**
97	97
98	98	Frame format: Station number of slave&0x05 + address + state of coil + CRC
99	99
...	...	@@ -105,7 +105,7 @@
105	105	|4|State of coil|2 bytes|
106	106	|5|CRC|2 bytes|
107	107
108		-**Function code 0x06 (06): Write single register**
	104	+**(4) Function code 0x06 (06): Write single register**
109	109
110	110	Frame format: Station number of slave&0x06 + address + value + CRC
111	111
...	...	@@ -117,7 +117,7 @@
117	117	|4|Value of register|2 bytes|
118	118	|5|CRC|2 bytes|
119	119
120		-**Function code 0x0f(15): Write continuous coils**
	116	+**(5) Function code 0x0f(15): Write continuous coils**
121	121
122	122	Frame format: Station number of slave&0x0f + start address + number of coils + length + state of coil + CRC
123	123
...	...	@@ -131,7 +131,7 @@
131	131	|6|State of coils|[(N+7)/8] bytes|
132	132	|7|CRC|2 bytes|
133	133
134		-**Function code 0x10 (10): Write continuous registers**
	130	+**(6) Function code 0x10 (10): Write continuous registers**
135	135
136	136	Frame format: Station number of slave&0x10 + start address + number of registers + length + value of register + CRC
137	137
...	...	@@ -145,63 +145,66 @@
145	145	|6|Value of register|N*2 bytes|
146	146	|7|CRC|2 bytes|
147	147
148		-== **Example** ==
	144	+== **1.5 Example** ==
149	149
150		-**Read bit address from device**
	146	+**(1) Read bit address from device**
151	151
152		-(When reading the bit address, the return value of 256 means that the coil is turned ON, and the return value of 0 means that the coil is turned OFF.)
	148	+**(When reading the bit address, the return value of 256 means that the coil is turned ON, and the return value of 0 means that the coil is turned OFF.)**
153	153
154	154	(% style="text-align:center" %)
155		-[[image:1641781999957-637.png||height="390" width="750" class="img-thumbnail"]]
	151	+[[image:1641781999957-637.png||class="img-thumbnail" height="390" width="750"]]
156	156
157		-**Read word address from device**
	153	+**(2) Read word address from device**
158	158
159	159	(% style="text-align:center" %)
160		-[[image:1641782024282-424.png||height="439" width="750" class="img-thumbnail"]]
	156	+[[image:1641782024282-424.png||class="img-thumbnail" height="439" width="750"]]
161	161
162		-**Write single coil**
	158	+**(3) Write single coil**
163	163
164	164	(% style="text-align:center" %)
165		-[[image:1641782057319-761.png||height="440" width="750" class="img-thumbnail"]]
	161	+[[image:1641782057319-761.png||class="img-thumbnail" height="440" width="750"]]
166	166
167		-Tip: (When writing a single coil or a continuous coil, write HFF00 to turn the coil on, and write H0000 to turn off the coil.)
	163	+**Tip:**
168	168
169		-**Write single register**
	165	+**(When writing a single coil or a continuous coil, write HFF00 to turn the coil on, and write H0000 to turn off the coil.)**
170	170
	167	+**(4) Write single register**
	168	+
171	171	(% style="text-align:center" %)
172		-[[image:1641782078927-432.png||height="442" width="750" class="img-thumbnail"]]
	170	+[[image:1641782078927-432.png||class="img-thumbnail" height="442" width="750"]]
173	173
174		-**Write continuous coils**
	172	+**(5) Write continuous coils**
175	175
176	176	(% style="text-align:center" %)
177		-[[image:1641782101687-540.png||height="452" width="750" class="img-thumbnail"]]
	175	+[[image:1641782101687-540.png||class="img-thumbnail" height="452" width="750"]]
178	178
179		-**Write continuous registers**
	177	+**(6) Write continuous registers**
180	180
181	181	(% style="text-align:center" %)
182		-[[image:1641782118748-978.png||height="448" width="750" class="img-thumbnail"]]
	180	+[[image:1641782118748-978.png||class="img-thumbnail" height="448" width="750"]]
183	183
184		-**PLC is slave devic**
185	185
	183	+**(7) PLC is slave devic**
	184	+
186	186	[[image:1641782203514-616.png||height="230" width="746"]]
187	187
188	188
189		-**WECON PLC Protocol (COM2)**
	188	+**(8) WECON PLC Protocol (COM2)**
190	190
191	191	[[image:1641782240401-942.png||height="161" width="754"]]
192	192
193		-= (% style="color:inherit; font-family:inherit" %)**N:N network**(%%) =
	192	+= (% style="color:inherit; font-family:inherit" %)**2 N:N network**(%%) =
194	194
195	195	**LX3VP COM2 N:N Application**
196	196
197		-== **LX3VP COM2 N:N Connection** ==
	196	+== **2.1 LX3VP COM2 N:N Connection** ==
198	198
199		-PLC built-in N:N connection protocol provides an effective way to exchange data among multiple PLC (Max. 8 devices). Technically, it only requires the twisted pair RS485 cable to connect with each PLC COM2 (in parallel).
	198	+PLC built-in N:N connection protocol provides a effective way to exchange data among multiple PLC (Max. 8 devices). Technically, it only requires the twisted pair RS485 cable to connect with each PLC COM2 (in parallel).
200	200
201	201	(% style="text-align:center" %)
202		-[[image:9.Communication example_html_8c43baa1ae891689.jpg||height="142" width="500" class="img-thumbnail"]]
	201	+[[image:9.Communication example_html_8c43baa1ae891689.jpg||class="img-thumbnail" height="142" width="500"]]
203	203
204		-== **COM2 N:N Instructions  ** ==
	203	+=== **2.1.1 COM2 N:N Instructions  ** ===
205	205
206	206	User should put data to specified register unit. Exchanging the data among PLCs, This function only requires putting data in preset register block, all the data in this register block would share with other PLCs. There are five modes for choice, according to data volume and communication speed. See the preset register block from table below.
207	207
...	...	@@ -232,12 +232,12 @@
232	232	Communication between each PLC (up to 8 PLC), please see the connection construction below (For 3 PLC interconnection).
233	233
234	234	(% style="text-align:center" %)
235		-[[image:9.Communication example_html_b805bca9e1166337.jpg||height="93" width="600" class="img-thumbnail"]]
	234	+[[image:9.Communication example_html_b805bca9e1166337.jpg||class="img-thumbnail" height="93" width="600"]]
236	236
237		-== **Special devices in N: N network** ==
	236	+=== **2.1.2 The special devices in N: N network** ===
238	238
239	239	(% border="1" %)
240		-|=**Register**|=**Description**
	239	+|**Register**|**Description**
241	241	|D8120|Communication format settings
242	242	|D8126|COM2 communication protocol settings, 40h means N:N Master Device, 04h means N:N Slave device
243	243	|D8176|Station number, from 0 to 7, 0 means master device
...	...	@@ -263,10 +263,10 @@
263	263	)))
264	264	|M8191|Processing sending data
265	265
266		-== **Communications format:** ==
	265	+=== **2.1.3 Communications format:** ===
267	267
268	268	(% border="1" %)
269		-|=**Item**|=(% style="width: 115px;" %)**Parameters**|=(% style="width: 239px;" %)**b15(RS2)**|=**b14-b8**|=**b7**|=**b6**|=**b5**|=**b4**|=**b3**|=**b2**|=**b1**|=**b0**
	268	+|**Item**|(% style="width:115px" %)**Parameters**|(% style="width:239px" %)**b15(RS2)**|**b14-b8**|**b7**|**b6**|**b5**|**b4**|**b3**|**b2**|**b1**|**b0**
270	270	|(% rowspan="2" %)**Bit mode**|(% style="width:115px" %)8 bit|(% style="width:239px" %)0|(% rowspan="15" %)Retention|-|-|-|-|-|-|-|-
271	271	|(% style="width:115px" %)16-bit|(% style="width:239px" %)1|-|-|-|-|-|-|-|-
272	272	|(% rowspan="6" %)**Baud rate (Bps)**|(% style="width:115px" %)115200|(% style="width:239px" %)-|1|1|0|0|-|-|-|-
...	...	@@ -283,49 +283,32 @@
283	283	|(% rowspan="2" %)**Data bit**|(% style="width:115px" %)7 bit|(% style="width:239px" %)-|-|-|-|-|-|-|-|0
284	284	|(% style="width:115px" %)8 bit|(% style="width:239px" %)-|-|-|-|-|-|-|-|1
285	285
286		-== **Communication error code (D8211~~D8218)** ==
	285	+=== **2.1.4 Program example** ===
287	287
288		-|=(% style="width: 195px;" %)**Error code**|=(% style="width: 881px;" %)**Description**
289		-|(% style="width:195px" %)1|(% style="width:881px" %)The monitoring period has elapsed, and the slave station has not respond to requests from the master station yet.
290		-|(% style="width:195px" %)2|(% style="width:881px" %)The other slave stations have responded to requests sent by the master station.
291		-|(% style="width:195px" %)3|(% style="width:881px" %)The count values in the parameter data do not match those responded by the slave stations.
292		-|(% style="width:195px" %)4|(% style="width:881px" %)The response messages from the slave stations are incorrect.
293		-|(% style="width:195px" %)17|(% style="width:881px" %)The monitoring period has elapsed,the master station has not sent a request to the next slave station yet.
294		-|(% style="width:195px" %)20|(% style="width:881px" %)The messages from the master station are incorrect.
295		-|(% style="width:195px" %)33|(% style="width:881px" %)The slave station is unresponsive.
296		-|(% style="width:195px" %)34|(% style="width:881px" %)The other slave stations have responded to requests sent by the master station.
297		-|(% style="width:195px" %)35|(% style="width:881px" %)The count values in the parameter data do not match those responded by the slave stations.
298		-|(% style="width:195px" %)49|(% style="width:881px" %)The slave station received requests from the master station before receiving the parameters.
299		-
300		-== **Program example** ==
301		-
302	302	LX3VP COM2 port communication parameters: 9600, 1, 8, NONE. Register block mode: 3
303	303
304	304	**PLC as master**
305	305
306	306	(% style="text-align:center" %)
307		-[[image:9.Communication example_html_a3fdef81ab69639.jpg||height="448" width="750" class="img-thumbnail"]]
	292	+[[image:9.Communication example_html_a3fdef81ab69639.jpg||class="img-thumbnail" height="448" width="750"]]
308	308
309		-**PLC as slave**
	294	+PLC as slave
310	310
311	311	(% style="text-align:center" %)
312		-[[image:9.Communication example_html_cc8af72b56d9c539.jpg||height="236" width="750" class="img-thumbnail"]]
	297	+[[image:9.Communication example_html_cc8af72b56d9c539.jpg||class="img-thumbnail" height="236" width="750"]]
313	313
314		-(% class="box infomessage" %)
315		-(((
316		-✎**Note:**
	299	+**Note for use**
317	317
318	318	* There are two modes of N:N protocol configuration. one is LX3VP built-in N:N protocol, the other one is LX3V N:N protocol (LX3V-2RS485-BD required).
319	319	* In LX3VP series PLC, only one kind of N:N configuration available. Second mode would be disabled when LX3VP built-in N:N protocol configured.
320		-)))
321	321
322		-= (% style="color:inherit; font-family:inherit" %)**RS485-BD and ETH-BD communiaction**(%%) =
	304	+== (% style="color:inherit; font-family:inherit" %)**3 RS485-BD and ETH-BD communiaction**(%%) ==
323	323
324	324	Please kindly check the link as below.
325	325
326		-(% class="box infomessage" %)
	308	+(% class="box warningmessage" %)
327	327	(((
328		-✎**Note:** at present 5V PLC can not support RS485-BD and ETH-BD
	310	+**Note:**at present 5V PLC can not support RS485-BD and ETH-BD
329	329	)))
330	330
331	331	[[http:~~/~~/docs.we-con.com.cn/wiki/bdmodule/view/Main/Communication/2RS485-BD-3V/>>http://docs.we-con.com.cn/wiki/bdmodule/view/Main/Communication/2RS485-BD-3V/]]