From version 17.1
edited by Theodore Xu
on 2023/08/25 15:50
on 2023/08/25 15:50
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- 1697099618537-157.png
- 485接线.png
- 485通讯配置.png
- Ht1GZiel7c.png
- V-NET_Client logo.png
- V-NET_Client logo8.png
- hXadxkZTuR.png
- xwiki_PIStudio_12.PLC+protocols_WebHome_664a826cd356c830.png
- xwiki_PIStudio_12.PLC+protocols_WebHome_78026942a88f0fdb.png
- xwiki_PIStudio_12.PLC+protocols_WebHome_872ec32d12b55aa.png
- xwiki_PIStudio_12.PLC+protocols_WebHome_8ee8d3ac3637bfc4.png
- xwiki_PIStudio_12.PLC+protocols_WebHome_ac8ece9a26719fda.png
- 以太网 PC和PLC连接.png
- 西门子1200协议参数.png
- 西门子200串口.png
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... ... @@ -1,1 +1,1 @@ 1 -XWiki. AiXia1 +XWiki.joe - Content
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... ... @@ -1,36 +3,121 @@ 1 -= {{id name="HSiemens"/}}**Siemens ** = 2 - 3 3 == **S7-200 Smart Serial** == 4 4 3 +**V-BOX setting** 4 + 5 +(% style="width:1323.87px" %) 6 +|**Items**|**Settings**|**Note** 7 +|Protocol|(% style="width:783px" %)Siemens S7-200 CPU22x/Smart PPI| 8 +|Connection|(% style="width:783px" %)RS485| 9 +|Baud rate|(% style="width:783px" %)9600| 10 +|Data bit|(% style="width:783px" %)8| 11 +|Parity|(% style="width:783px" %)EVEN| 12 +|Stop bit|(% style="width:783px" %)1| 13 +|PLC station No.|(% style="width:783px" %)2| 14 + 15 +(% style="text-align:center" %) 16 +[[image:西门子200串口.png]] 17 + 18 +**Address List ** 19 + 20 +|**Type**|**Device register**|**Format**|**Range**|**Note** 21 +|(% rowspan="9" %)Bit|I|I ddddd.o|0.0~~99999.7| 22 +|Q|Q ddddd.o|0.0~~99999.7| 23 +|V|VWbit ddddd.o|0.0~~99999.7| 24 +|V|V ddddd.o|0.0~~99999.7| 25 +|M|M ddddd.o|0.0~~99999.7| 26 +|SM|ddddd.o|0.0~~99999.7| 27 +|S|ddddd.o|0.0~~99999.7|Read only 28 +|T|ddddd|0~~99999|Timer state, read only 29 +|C|ddddd|0~~99999|Counter state, read only 30 +|(% rowspan="12" %)Word|I|IW ddddd|0~~99999| 31 +|Q|QW ddddd|0~~99999| 32 +|AI|AIW ddddd|0~~99999| 33 +|AQ|VB ddddd|0~~99999| 34 +|V|VW ddddd|0~~99998|((( 35 +VW0=VB (0~~1) 36 + 37 +VW2=VB (2~~3) 38 + 39 +Address value is a multiple of 2 40 +))) 41 +|V|VD ddddd|0~~99998|((( 42 +VD0=VB (0~~3) 43 + 44 +VD2=VB (4~~7) 45 + 46 +Address value is a multiple of 4 47 +))) 48 +|M|MB ddddd|0~~99999| 49 +|M|MW ddddd|0~~99999|((( 50 +MW0=MB(0~~1) 51 + 52 +MW2=MB(2~~3) 53 + 54 +Address value is a multiple of 2 55 +))) 56 +|M|MD ddddd|0~~99999|((( 57 +MD0=MB(0~~3) 58 + 59 +MD4=MB(4~~7) 60 + 61 +Address value is a multiple of 4 62 +))) 63 +|T|TW ddddd|0~~99999|Value of timer 64 +|C|CW ddddd|0~~99999|Value of counter 65 +|W|SW ddddd|0~~99999| 66 + 67 +**PLC setting** 68 + 69 +(% style="text-align:center" %) 70 +[[image:西门子软件版本.png]] 71 + 72 +(% style="text-align:center" %) 73 +[[image:485通讯配置.png]] 74 + 75 +**Connect and Download** 76 + 77 +(% style="text-align:center" %) 78 +[[image:以太网 PC和PLC连接.png]] 79 + 80 +(% style="text-align:center" %) 81 +[[image:以太网下载.png]] 82 + 83 +**Cable Wiring** 84 + 85 +(% style="text-align:center" %) 86 +[[image:485接线.png]] 87 + 5 5 == **S7-200 Smart Ethernet ** == 6 6 7 - [[download link>>url:https://ftp.we-con.com.cn/Download/WIKI/V-BOX/Demo/%E9%80%9A%E8%AE%AF%E6%A1%88%E4%BE%8B/Communication%20with%20S7-200%20Smart.zip]]90 +**V-BOX setting** 8 8 9 -(% class="wikigeneratedid" id="H1FF09V-BOX" %) 10 -**1)V-BOX ** 92 +|**Items**|**Settings** 93 +|Protocol|Siemens S7-200 Smart(Ethernet) 94 +|Connection|Ethernet 95 +|Port No.|102 96 +|PLC station No.|2 11 11 12 12 (% style="text-align:center" %) 13 13 [[image:西门子200smart 以太网.png]] 14 14 15 -** 1)PLC software**101 +**PLC setting** 16 16 17 17 (% style="text-align:center" %) 18 18 [[image:西门子软件版本.png]] 19 19 20 -**2)Ethernet Configuration** 21 - 22 22 (% style="text-align:center" %) 23 23 [[image:以太网通讯配置.png]] 24 24 25 -** 3)ConnectPCsoftware**109 +**Connect and Download** 26 26 27 27 (% style="text-align:center" %) 112 +[[image:以太网 PC和PLC连接.png]] 113 + 114 +(% style="text-align:center" %) 28 28 [[image:以太网下载.png]] 29 29 117 +**Cable Wiring** 30 30 31 -**5)wiring** 32 - 33 - 34 34 V-Box : RJ45 Ethernet interface 35 35 36 36 PLC : RJ45 Ethernet interface ... ... @@ -38,12 +38,11 @@ 38 38 (% style="text-align:center" %) 39 39 [[image:以太网连接.png]] 40 40 126 +== **S7-300 Ethernet ** == 41 41 42 -== {{id name="HS7-300Ethernet"/}}**S7-300 Ethernet ** == 43 - 44 44 Supported Series: Siemens S7-300 series PLC 45 45 46 -** 1)V-BOX setting**130 +**V-BOX setting** 47 47 48 48 |**Items**|**Settings**|**Note** 49 49 |Protocol|Simens S7-300 Ethernet| ... ... @@ -51,21 +51,21 @@ 51 51 |Port No.|102| 52 52 |PLC station No.|2|Need to be same as the PLC setting 53 53 54 -** 2)Address List**138 +**Address List** 55 55 56 -|**Type**|**Device register**|** HMI register**|**Format**|**Range**|**Note**57 -|(% rowspan="4" %)Bit|I|I |Iddddd.o|0.0~~99999.7|58 -|Q|Q |Qddddd.o|0.0~~99999.7|59 -|M|M |Mddddd.o|0.0~~99999.7|60 -|DB0.DB~~DB99.DB|DBxDB D|DBxDBnndddd.o|0.0~~99999999.7|(((140 +|**Type**|**Device register**|**Format**|**Range**|**Note** 141 +|(% rowspan="4" %)Bit|I|I ddddd.o|0.0~~99999.7| 142 +|Q|Q ddddd.o|0.0~~99999.7| 143 +|M|M ddddd.o|0.0~~99999.7| 144 +|DB0.DB~~DB99.DB|DBxDB nndddd.o|0.0~~99999999.7|((( 61 61 nn: block number; 62 62 63 63 dddd: address; 64 64 ))) 65 -|(% rowspan="8" %)Word|I|IW |IWddddd|0~~99999|66 -|Q|QW |QWddddd|0~~99999|67 -|(% rowspan="3" %)M|MB |MBddddd|0~~99999|68 -|MW |MWddddd|0~~99999|(((149 +|(% rowspan="8" %)Word|I|IW ddddd|0~~99999| 150 +|Q|QW ddddd|0~~99999| 151 +|(% rowspan="3" %)M|MB ddddd|0~~99999| 152 +|MW ddddd|0~~99999|((( 69 69 MW0=MB(0~~1) 70 70 71 71 MW2=MB(2~~3) ... ... @@ -72,7 +72,7 @@ 72 72 73 73 Address value is a multiple of 2 74 74 ))) 75 -|MD |MDddddd|0~~99999|(((159 +|MD ddddd|0~~99999|((( 76 76 MD0=MB(0~~3) 77 77 78 78 MD4=MB(4~~7) ... ... @@ -79,49 +79,39 @@ 79 79 80 80 Address value is a multiple of 4 81 81 ))) 82 -|(% rowspan="3" %)DB0.DB~~DB99.DB|DBxDBB |DBxDBBnndddd|0~~99999999|(% rowspan="3" %)(((166 +|(% rowspan="3" %)DB0.DB~~DB99.DB|DBxDBB nndddd|0~~99999999|(% rowspan="3" %)((( 83 83 nn: block number; 84 84 85 85 dddd: address 86 86 ))) 87 -|DBxDBW |DBxDBWnndddd|0~~9999999988 -|DBxDBD |DBxDBDnndddd|0~~99999999171 +|DBxDBW nndddd|0~~99999999 172 +|DBxDBD nndddd|0~~99999999 89 89 90 -** 3)Configure the communication protocol**174 +**Configure the communication protocol** 91 91 92 - {{id name="Iimage-20220824161345-1.png"/}}[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_8e00ed9483ddb629.png||alt="image-20220824161345-1.png" height="1011" width="1920"]]176 +[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_8e00ed9483ddb629.png||alt="image-20220824161345-1.png" height="1011" width="1920"]] 93 93 94 -** 4)Cable Wiring**178 +**Cable Wiring** 95 95 96 - {{id name="Iimage-20220824161450-2.png"/}}[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_ac8ece9a26719fda.png||alt="image-20220824161450-2.png" height="170" width="401"]]180 +[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_ac8ece9a26719fda.png||alt="image-20220824161450-2.png" height="170" width="401"]] 97 97 98 -== {{id name="HS7-1200A0Ethernet"/}}**S7-1200 Ethernet ** ==182 +== **S7-1200 Ethernet ** == 99 99 100 100 [[download link>>url:https://ftp.we-con.com.cn/Download/WIKI/V-BOX/Demo/%E9%80%9A%E8%AE%AF%E6%A1%88%E4%BE%8B/Communicate%20with%20S7-1200%20via%20Ehernet.zip]] 101 101 102 - == {{id name="HS7-XXXEthernetl"/}}**S7-XXXEthernetl**==186 +**V-BOX Setting** 103 103 104 -Supported Series: Siemens S7-400, S7-1200 and S7-1500 105 - 106 -**1)V-BOX setting** 107 - 108 -|=**Items**|=**Settings**|=**Note** 109 -|Protocol|Siemens S7-XXX| 188 +|**Items**|**Settings**|**Note** 189 +|Protocol|Siemens S7-1200| 110 110 |Connection|Ethernet| 111 111 |Port No.|102| 112 -|Device No.|Slot (Default 1 for S7-1500/ 2 for S7-1200/ 3 for S7-400)| 113 -|HMI No.|Rack (Default as 0)| 192 +|PLC station No.|2| 114 114 115 -Slot from TIA Portal is equal to Device No. of V-net 194 +(% style="text-align:center" %) 195 +[[image:西门子1200协议参数.png]] 116 116 117 - Rack from TIAPortalisequalto HMI No. of V-net197 +**Address List** 118 118 119 -{{id name="Iimage-20220824162459-3.png"/}}[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_d78bc267e5fc6394.png||alt="image-20220824162459-3.png" height="503" width="798"]] 120 - 121 -{{id name="Iimage-20220824163305-2.png"/}}[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_c9ae84ef5d418580.png||alt="image-20220824163305-2.png" height="1009" width="1920"]] 122 - 123 -**2)Address List** 124 - 125 125 |**Type**|**Device register**|**HMI register**|**Format**|**Range**|**Note** 126 126 |(% rowspan="4" %)Bit|I|I|M d.o|((( 127 127 d:0~-~-9999 ... ... @@ -200,18 +200,175 @@ 200 200 Address value is a multiple of 4 201 201 ))) 202 202 203 -**3)Configure the communication protocol** 277 +{{info}} 278 +✎Note: 204 204 205 -{{id name="Iimage-20220824163448-3.png"/}}[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_9e740a8bf83ea3bf.png||alt="image-20220824163448-3.png" height="557" width="974"]] 280 +* The S7-1200 supports simultaneous connection of three devices. 281 +* V-BOX access PLC, use S7 protocol, access PLC TSAP 02.01 (S7-1200 PROFINET interface only supports three connections, the default support), detailed reference to the system manual of S7-1200. 282 +* S7-1200 String type, the default first two bytes are used to store the maximum character and valid characters, so the text data will be shifted back one word address. When interacting with the data, what way this address plc is displayed with is unknown. And because of an extra word of data causes us to display the wrong. The solution is if we use String, then the actual data address we want to operate on is actually shifted back two bytes, so as long as the address on the project is shifted back 2 bits to correspond with the actual data address. 283 +{{/info}} 206 206 285 +**PLC Settings** 286 + 287 +Add BD 288 + 289 +* Please uncheck [Symbolic access only] option; 290 + 291 +(% style="text-align:center" %) 292 +[[image:xwiki_PIStudio_12.PLC+protocols_WebHome_872ec32d12b55aa.png]] 293 + 294 +Address settings, using BD2 as example. 295 + 296 +* DB×DBB2xxxx, DB×DBW2xxxx, DB×DBD2xxxx for accessing data of DB2 in B1. 297 +* 2 represent DB block number 298 +* xxxx represent address 299 + 300 +**Such as:** 301 + 302 +* DBxDBB20000 = DB2.DBB0 303 +* DBxDBW20004 = DB2.DBW4 304 + 305 +(% style="text-align:center" %) 306 +[[image:xwiki_PIStudio_12.PLC+protocols_WebHome_8ee8d3ac3637bfc4.png]] 307 + 308 +**How to connect with S7-1200 Firmware V4.0** 309 + 310 +PLC configuration 311 + 312 +* Double click [device configuration] in Siemens via software 313 +* Double click [protection] to enter protection configuration screen 314 + 315 +(% style="text-align:center" %) 316 +[[image:xwiki_PIStudio_12.PLC+protocols_WebHome_664a826cd356c830.png]] 317 + 318 +* Check [Permit access with PUT / GET communication from remote partner (PLC, HMI, OPC, ...)] 319 + 320 +(% style="text-align:center" %) 321 +[[image:xwiki_PIStudio_12.PLC+protocols_WebHome_78026942a88f0fdb.png]] 322 + 323 +DB settings 324 + 325 +* Right click [DB], select [properties] 326 +* Uncheck [optimized block access] 327 + 328 +**Cable Wiring** 329 + 330 +(% style="text-align:center" %) 331 +[[image:xwiki_PIStudio_12.PLC+protocols_WebHome_ac8ece9a26719fda.png]] 332 + 333 +== **S7-XXX Ethernet** == 334 + 335 +Supported Series: Siemens S7-400, S7-1200 and S7-1500 336 + 337 +**V-BOX setting** 338 + 339 +|=**Items**|=**Settings**|=**Note** 340 +|Protocol|Siemens S7-XXX| 341 +|Connection|Ethernet| 342 +|Port No.|102| 343 +|Device No.|Slot (Default 1 for S7-1500/ 2 for S7-1200/ 3 for S7-400)| 344 +|HMI No.|Rack (Default as 0)| 345 + 346 +Slot from TIA Portal is equal to Device No. of V-net 347 + 348 +Rack from TIA Portal is equal to HMI No. of V-net 349 + 350 +[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_d78bc267e5fc6394.png||alt="image-20220824162459-3.png" height="503" width="798"]] 351 + 352 +[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_c9ae84ef5d418580.png||alt="image-20220824163305-2.png" height="1009" width="1920"]] 353 + 354 +**Address List** 355 + 356 +|**Type**|**Device register**|**Format**|**Range**|**Note** 357 +|(% rowspan="4" %)Bit|I|M d.o|((( 358 +d:0~-~-9999 359 + 360 +o:0-7 361 +)))| 362 +|Q|Q d.o|((( 363 +d:0~-~-9999 364 + 365 +o:0-7 366 +)))| 367 +|M|M d.o|((( 368 +d:0~-~-9999 369 + 370 +o:0-7 371 +)))| 372 +|DB0.DB-DB99.DB|DBxDBnndddd.o|((( 373 +nn:0-9999, 374 + 375 +dddd:0-9999, 376 + 377 +o:0-7 378 +)))|((( 379 +nn:DB No. 380 + 381 +dddd:address value 382 + 383 +o: digit address 384 +))) 385 +|(% rowspan="8" %)Word|M|MB d|d:0-99999| 386 +|M|MW d|d:0-99999|((( 387 +MW0=MB(0~~1) 388 + 389 +MW2=MB(2~~3) 390 + 391 +Address value is a multiple of 2 392 +))) 393 +|M|MD d|d:0-99999|((( 394 +MD0=MB(0~~3) 395 + 396 +MD4=MB(4~~7) 397 + 398 +Address value is a multiple of 4 399 +))) 400 +|I|IW d|d:0-99999| 401 +|Q|QW d|d:0-99999| 402 +|DB0.DB-DB99.DB|DBxDBBnndddd|((( 403 +nn:0-9999 404 + 405 +dddd:0-9999 406 +)))|((( 407 +nn:DB No. 408 + 409 +dddd:address value 410 +))) 411 +|DB0.DB-DB99.DB|DBxDBWnndddd|((( 412 +nn:0-9999 413 + 414 +dddd:0-9999 415 +)))|((( 416 +nn:DB No. 417 + 418 +dddd:address value 419 + 420 +Address value is a multiple of 2 421 +))) 422 +|DB0.DB-DB99.DB|DBxDBDnndddd|((( 423 +nn:0-9999 424 + 425 +dddd:0-9999 426 +)))|((( 427 +nn:DB No. 428 + 429 +dddd:address value 430 + 431 +Address value is a multiple of 4 432 +))) 433 + 434 +**Configure the communication protocol** 435 + 436 +[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_9e740a8bf83ea3bf.png||alt="image-20220824163448-3.png" height="557" width="974"]] 437 + 207 207 **✎Note:** 208 208 209 209 * The S7-1200 supports simultaneous connection of three devices, so the driver supports simultaneous access to PLC by three V-BOX. 210 210 * V-BOX access PLC, use S7 protocol, access PLC TSAP 02.01 (s7-1200 PROFINET interface only supports three connections, the default support), detailed reference to the system manual of S7-1200. 211 211 212 -** 4)Cable Wiring**443 +**Cable Wiring** 213 213 214 - {{id name="Iimage-20220824162342-2.png"/}}[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_ac8ece9a26719fda.png||alt="image-20220824162342-2.png" height="170" width="401"]]445 +[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_ac8ece9a26719fda.png||alt="image-20220824162342-2.png" height="170" width="401"]] 215 215 216 216 == {{id name="HLOGOEthernet"/}}**LOGO Ethernet ** == 217 217 ... ... @@ -248,40 +248,47 @@ 248 248 249 249 Click [Tools]~-~-[Ethernet Connections],shown as below. 250 250 251 - {{id name="IPIStudio.125C.PLCprotocols.WebHome4012.PLCProtocol_html_8b9d2322edf89519.png"/}}[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_d13df637bfedcc52.png||alt="12.PLC Protocol_html_8b9d2322edf89519.png" height="641" width="423"]]482 +[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_d13df637bfedcc52.png||alt="12.PLC Protocol_html_8b9d2322edf89519.png" height="641" width="423"]] 252 252 253 253 Set Ethernet connection parameter. IP, Subnet Mask, shown as below. 254 254 255 -{{id name="IPIStudio.125C.PLCprotocols.WebHome40image-20221228142937-4.png"/}}[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_316247e0130c4c55.png||alt="image-20221228142937-4.png" height="484" width="366"]] 486 +(% style="text-align:center" %) 487 +[[image:hXadxkZTuR.png]] 256 256 257 -**TSAP set**:The value set by local TSAP is the remote TSAP set in HMI. PLC's remote TSAP is the opposite,shown as below. 489 +**TSAP set**: The value set by local TSAP is the remote TSAP set in HMI. PLC's remote TSAP is the opposite,shown as below. 258 258 259 - {{id name="IPIStudio.125C.PLCprotocols.WebHome40image-20221228143047-5.png"/}}[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_facc6ee1af05162f.png||alt="image-20221228143047-5.png" height="626" width="1088"]]491 +[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_facc6ee1af05162f.png||alt="image-20221228143047-5.png" height="626" width="1088"]] 260 260 261 261 **Download Project**: Click "Address book" to add the IP address to be downloaded (fi."Detect" to check whether the IP address can be detected. Then click “ok”, and the system will prompt that PLC will be "STOP" mode. Click “YES” to start download. 262 262 263 - {{id name="IPIStudio.125C.PLCprotocols.WebHome40image-20221228143246-6.png"/}}[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_d43d2b7b2599ee64.png||alt="image-20221228143246-6.png" height="698" width="688"]]495 +[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_d43d2b7b2599ee64.png||alt="image-20221228143246-6.png" height="698" width="688"]] 264 264 265 265 **V-BOX Communication Settings** 266 266 267 267 Set PLC IP in [IP Address] settings; 268 268 269 -{{id name="ILldwDGntf4.png"/}}[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_ab570912d299c09.png||alt="LldwDGntf4.png" height="530" width="899"]] 501 +(% style="text-align:center" %) 502 +[[image:V-NET_Client logo.png]] 270 270 271 -Enable V-BOX Ethernet in [Network]; 272 - 273 -{{id name="IWgvjfWbQif.png"/}}[[image:xwiki_V-BOX_V-Net_Training_1+Communication_WebHome_637860db3ca1ca1b.png||alt="WgvjfWbQif.png" height="654" width="1195"]] 274 - 275 275 TSAP setting 276 276 277 277 * The initialization script needs to set the source TSAP address and the target TSAP address, otherwise the communication will not be successful. 278 278 508 +You can copy the following script into V-net directly. 509 + 510 +(% class="box successmessage" %) 511 +((( 279 279 **function** **init**.main() 280 280 addr_setword("@W_0#HSW1200",8192) //~-~- Set the source TSAP address// 281 281 addr_setword("@W_0#HSW1201",4096) //~-~- Set the destination TSAP address// 282 282 **end** 516 +))) 283 283 284 -Note: The name of the test script is init, 8192 and 4096 are the data used for the test, there is no HSW address in the register option, but you can directly set the value of the corresponding address through the code. 518 +(% class="box infomessage" %) 519 +((( 520 +Note: 521 +The name of the test script must be “init”, 8192 and 4096 are the data used for the test, there is no HSW address in the register option, but you can directly set the value of the corresponding address through the code. 522 +))) 285 285 286 286 **✎Note:** 287 287 ... ... @@ -292,4 +292,4 @@ 292 292 ** Other set as defaulted. 293 293 * **Notes on the use of registers:** 294 294 ** Register VD: Use only registers that are multiples of 4, such as 0, 4, 8, etc. 295 -** Register VW: Use only registers th ay are multiples of 2, such as 0, 2, 4 etc. (Using an odd-length register may result in data errors, such as 2 3 4 )533 +** Register VW: Use only registers they are multiples of 2, such as 0, 2, 4 etc. (Using an odd-length register may result in data errors, such as 2 3 4 )
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