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Changes for page 1 Communication

Last modified by Hunter on 2024/07/01 10:54
From version 215.1
edited by Hunter
on 2023/03/18 15:43
Change comment: There is no comment for this version
To version 256.1
edited by Theodore Xu
on 2023/08/23 19:27
Change comment: There is no comment for this version

Summary

Details

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Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Hunter
1 +XWiki.AiXia
Content
... ... @@ -1,6 +1,6 @@
1 -= Create communication with WECON PLC =
1 += WECON =
2 2  
3 -== **LX3V Serial Protocol** ==
3 +== **LX3V Serial ** ==
4 4  
5 5  Supported series: Wecon LX2V/ LX2E/ LX3V/LX3VP/LX3VE/LX3VM
6 6  
... ... @@ -48,7 +48,7 @@
48 48  
49 49   [[image:image-20220824120524-3.png]]
50 50  
51 -== **LX5V Serial Protocol** ==
51 +== **LX5V Serial ** ==
52 52  
53 53  This example introduces the establishment of serial port communication between V-BOX and LX5V. It is introduced through three parts: PLC software configuration, V-BOX software configuration, and hardware wiring.
54 54  
... ... @@ -118,7 +118,7 @@
118 118  
119 119  The above are all the steps for establishing serial port communication between V-BOX with LX5V PLC.
120 120  
121 -== **LX5V-N Ethernet protocol** ==
121 +== **LX5V-N Ethernet ** ==
122 122  
123 123  This example introduces the establishment of Ethernet communication between V-BOX and LX5V-N. It is introduced through three parts: PLC software configuration, V-BOX software configuration, and hardware wiring.
124 124  
... ... @@ -176,12 +176,10 @@
176 176  
177 177  The above are all the steps for establishing ethernet communication between V-BOX with LX5V PLC.
178 178  
179 += Allen-Bradley(**Rockwell**) =
179 179  
181 +== **DF1 Advanced  Serial** ==
180 180  
181 -= Create communication with Allen-Bradley(**Rockwell**)** PLC** =
182 -
183 -== **DF1 Advanced Protocol** ==
184 -
185 185  MicroLogix 1000/1100/1200/1400/1500; SLC 5/03 5/04 5/05; PLC-5
186 186  
187 187  **1) V-Box Settings**
... ... @@ -279,7 +279,7 @@
279 279  (% class="wikigeneratedid" id="HMicroLogixA0Protocol" %)
280 280  (% id="cke_bm_5621S" style="display:none" %)** **
281 281  
282 -== **MicroLogix Protocol** ==
280 +== **MicroLogix Serial** ==
283 283  
284 284  (% class="wikigeneratedid" %)
285 285  MicroLogix 1000/1100/1200/1400/1500; SLC 5/03 5/04 5/05 PLC-5
... ... @@ -319,7 +319,7 @@
319 319  
320 320  [[image:image-20220824110724-1.png]]
321 321  
322 -== **Micro850_FreeTag Protocol** ==
320 +== **Micro850_FreeTag Ethernet** ==
323 323  
324 324  (((
325 325  (((
... ... @@ -522,8 +522,93 @@
522 522  The above are all the steps for establishing Ethernet communication between Wecon V-box with CompactLogix L1769 PLC.
523 523  
524 524  
525 -= **Allen-Bradley Ethernet DF1** =
523 +== **Micro850_FreeTag Ethernet（new）** ==
526 526  
525 +This example introduces the establishment of Ethernet communication between Wecon V-box and 2080-LC50-48QWB,Micro850. It is introduced through three parts: PLC software configuration, V-box software configuration.
526 +
527 +(% class="wikigeneratedid" id="HSoftwareconfigurationofPLC" %)
528 +(((
529 +**Software configuration of PLC**
530 +)))
531 +
532 +(% class="wikigeneratedid" id="HPLCprogrammingsoftware" %)
533 +(((
534 +**1）PLC programming software：Connected Components Workbench™**
535 +
536 +(% style="text-align:center" %)
537 +[[image:software.png]]
538 +
539 +**2）New PLC project**
540 +
541 +Click New Project and select the PLC model.
542 +
543 +(% style="text-align:center" %)
544 +[[image:project create.png]]
545 +
546 +**3）Set Ethernet parameters**
547 +
548 +Follow the steps below to configure Ethernet parameters
549 +
550 +PLC IP address：192.168.39.56
551 +
552 +default gateway：192.168.39.1
553 +
554 +subnet mask：255.255.255.0
555 +
556 +(% style="text-align:center" %)
557 +[[image:Ethernet.png]]
558 +
559 +**4）connect PLC**
560 +
561 +**When downloading the setting, need to change the status of the PLC to PRG**
562 +
563 +(% style="text-align:center" %)
564 +[[image:conne ab plc.png]]
565 +
566 +**V-box software configuration**
567 +
568 +**1）V-box programming software**
569 +
570 +(% style="text-align:center" %)
571 +[[image:v-net client vers.png]]
572 +
573 +**2）Set communication port parameters**
574 +
575 +In the device list on the left, find the Vbox that communicates with the L1769, click it and select configuration,communication port configuration in the main interface to add a communication protocol.
576 +
577 +(% style="text-align:center" %)
578 +[[image:V-NET_Client_t2Rg2wpSoY.png]]
579 +
580 +The communication port is selected as Ethernet, the device type is selected as Allen-Bradley, the protocol is Allen-BradleyMicro850_FreeTag EthemetIP, and the IP is the internal IP address of the L1769 PLC. The port number is 44818.
581 +
582 +(% style="text-align:center" %)
583 +[[image:V-NET_Client_communication.png]]
584 +
585 +Export variables from PLC, select CSV file, comma delimited.(% id="cke_bm_1950S" style="display:none" %)
586 +
587 +(% style="text-align:center" %)
588 +[[image:export1.png]]
589 +
590 +(% style="text-align:center" %)
591 +[[image:CCW.Shell_E5Cwj4tUL3.png]]
592 +
593 +After adding the protocol Allen-BradleyMicro850_FreeTag, click[[image:https://docs.we-con.com.cn/bin/download/V-BOX/V-Net/Training/1%20Communication/WebHome/image-20220714143838-2.png?rev=1.1||alt="image-20220714143838-2.png"]]icon add label.
594 +
595 +(% style="text-align:center" %)
596 +[[image:V-NET_Client_TNBuqy7T5r.png]]
597 +
598 +**3）Engineering production**
599 +
600 +According to your own needs, use the V-NET client software to edit the required data monitoring points.
601 +
602 +(% style="text-align:center" %)
603 +[[image:V-NET_Client_KOR0AHEA4M.png]]
604 +
605 +
606 +)))
607 +
608 +== **Ethernet DF1 Protocol** ==
609 +
527 527  [[download link>>https://ftp.we-con.com.cn/Download/WIKI/V-BOX/Demo/%E9%80%9A%E8%AE%AF%E6%A1%88%E4%BE%8B/Allen-Bradley%20Ethernet%20DF1.zip]]
528 528  
529 529  = Create communication with **Crouzet PLC** =
... ... @@ -530,16 +530,200 @@
530 530  
531 531  == **CROUZET M3 (FBD)** ==
532 532  
616 +Support Series: Crouzet Millenium 3 CD12/CB12
533 533  
534 -= Create communication with **Siemens PLC** =
618 +**1）V-BOX setting**
535 535  
536 -== **S7-200 Smart Ethernet Protocol** ==
620 +|=Item|=Recommended |=Note
621 +|=Protocol|CROUZET M3 (FBD)|
622 +|=Connection|RS232|
623 +|=Baud rate|115200|
624 +|=Stop bits|1|
625 +|=Data bits|7|
626 +|=Parity|EVEN|
537 537  
538 -[[download link>>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]]
628 +**2）Address List**
539 539  
630 +|=**Type**|=**Device registers**|=**Format**|=**Range**|=Note
631 +|(% rowspan="4" %)Bit|I|I DD|1~~99|Input
632 +|SLIBit|SLIBit DD.dd|1.0~~24.15|Serial Link Input
633 +|SLOBit|SLOBit DD.dd|25.0~~48.15|Serial Link Output(Read only)
634 +|State|State D|1~~1|PLC state(Read only)
635 +|(% rowspan="5" %)Word|AI|AI DD|1~~99|Analog Input
636 +|SLIn|SLIn DD|1~~24|Serial Link Input
637 +|SLOut|SLOut DD|25~~48|Serial Link Output(Read only)
638 +|Time|Time D|1~~6|(((
639 +Time1: Second
540 540  
541 -== **S7-300 Ethernet Protocol** ==
641 +Time2: Minute
542 542  
643 +Time3: Hour
644 +
645 +Time4: Day
646 +
647 +Time5: Month
648 +
649 +Time6: Year
650 +)))
651 +|Order|Order D|1~~1|(((
652 +Running command(Write only)
653 +
654 +~=2: Run mode; =1: Stop mode;
655 +)))
656 +
657 +**3）Cable Wiring**
658 +
659 +(% style="text-align:center" %)
660 +[[image:CrouzetRS232 VBox.png]]
661 +
662 +{{info}}
663 +**✎Note: **As the wiring diagram indicated, this protocol requires the DB9 serial port pin 4. But pin 4 is undefined for all V-Box, so it need the user to solder a Pull-up resistor to make the pin 4 working. As for how to solder the resistor on the motherboard, please contact with Wecon technical support for the details.
664 +{{/info}}
665 +
666 += EMERSON =
667 +
668 += **RTU Slave ** =
669 +
670 +Supported series: EC10 series
671 +
672 +**1）V-BOX setting**
673 +
674 +|**Items**|**Settings**|**Note**
675 +|Protocol|Emerson 984 RTU Slave MODBUS|
676 +|Connection|RS485|
677 +|Baud rate|19200|
678 +|Data bit|8|
679 +|Parity|EVEN|
680 +|Stop bit|1|
681 +|Device station No.|1|Need to be same as the PLC setting
682 +
683 +(% class="wikigeneratedid" %)
684 +**2）PLC Setting**
685 +
686 +(% class="wikigeneratedid" %)
687 +Remember to use the Control Star to enable the Modbus RTU communication for port 1 in system block before dowload into PLC.
688 +
689 +(% style="text-align:center" %)
690 +[[image:ControlStarSystemBlock.png]]
691 +
692 +(% style="text-align:center" %)
693 +[[image:ControlStarCommunicate.png]]
694 +
695 +(% style="text-align:center" %)
696 +[[image:ControlStarModbus.png]]
697 +
698 +(% class="wikigeneratedid" %)
699 +**3）Address List**
700 +
701 +|**Type**|**Device registers**|**Format**|**Range**|**Note**
702 +|(% colspan="1" rowspan="12" %)Bit|Y|YOOO|0~~377|
703 +|X|XOOO|0~~377|
704 +|M0|M0DDDD|0~~2047|
705 +|M1|M1DDDDD|2048~~10239|
706 +|SM0|SM0DDD|0~~255|
707 +|SM1|SM1DDD|256~~511|
708 +|S0|S0DDDD|0~~1023|
709 +|S1|S1DDDD|1024~~4095|
710 +|T0|T0DDD|0~~255|
711 +|T1|T1DDD|256~~511|
712 +|C0|C0DDD|0~~255|
713 +|C1|C1DDD|256~~306|
714 +|(% colspan="1" rowspan="7" %)Word|D|DDDDD|0~~7999|
715 +|Z|ZDD|0~~15|
716 +|TW0|TW0DDD|0~~255|
717 +|TW1|TW1DDD|256~~511|
718 +|SD0|SD0DDD|0~~255|
719 +|SD1|SD1DDD|256~~511|
720 +|CW|CWDDD|0~~306|
721 +|(% colspan="1" rowspan="2" %)Double Word|CW0|CW0DDD|200~~255|
722 +|CW1|CW1DDDDD|256~~99999|
723 +
724 +**4) Cable Wiring**
725 +
726 +(% style="text-align:center" %)
727 +[[image:Emerson.png]]
728 +
729 += HollySys PLC =
730 +
731 +== **LK Modbus RTU ** ==
732 +
733 +Supported Series: HollySys LK series PLC
734 +
735 +**1）V-BOX setting**
736 +
737 +|**Items**|**Settings**|**Note**
738 +|Protocol|HollySys LK Modbus RTU|
739 +|Connection|RS485|
740 +|Baud rate|38400|
741 +|Data bit|8|
742 +|Parity|None|
743 +|Stop bit|1|
744 +|Device station No.|1|
745 +
746 +**2）Address List**
747 +
748 +|=**Type**|=**Device registers**|=**Format**|=**Range**|=**Note**
749 +|Bit|QX|QXDDDDD.dd|0~~65535.15|
750 +|Bit|IX|IXDDDDD.dd|0~~65535.15|
751 +|Bit|MX|MXDDDDD.dd|0~~65535.15|
752 +|Word|QW|QWDDDDD|0~~99999|
753 +|Word|IW|IWDDDDD|0~~99999|
754 +|Word|MW|MWDDDDD|0~~99999|
755 +|Word|MD|MDDDDDD|0~~99999|
756 +
757 +**3）Cable Wiring**
758 +
759 +(% style="text-align:center" %)
760 +[[image:Hollysys485-2.png]]
761 +
762 +== **LM Modbus RTU** ==
763 +
764 +(% class="wikigeneratedid" %)
765 +Supported Series: HollySys LM3109/LM3107 PLC
766 +
767 +(% class="wikigeneratedid" %)
768 +**1）V-BOX setting**
769 +
770 +|(% style="width:208px" %)**Items**|(% style="width:310px" %)**Settings**|(% style="width:365px" %)**Optional**|(% style="width:152px" %)**Note**
771 +|(% style="width:208px" %)Protocol|(% style="width:310px" %)HollySys LM Modbus RTU|(% style="width:365px" %)HollySys LM Modbus RTU|(% style="width:152px" %)
772 +|(% style="width:208px" %)Connection|(% style="width:310px" %)RS232|(% style="width:365px" %)RS485|(% style="width:152px" %)
773 +|(% style="width:208px" %)Baud rate|(% style="width:310px" %)38400|(% style="width:365px" %)38400|(% style="width:152px" %)
774 +|(% style="width:208px" %)Data bit|(% style="width:310px" %)8|(% style="width:365px" %)8|(% style="width:152px" %)
775 +|(% style="width:208px" %)Parity|(% style="width:310px" %)None|(% style="width:365px" %)None|(% style="width:152px" %)
776 +|(% style="width:208px" %)Stop bit|(% style="width:310px" %)1|(% style="width:365px" %)1|(% style="width:152px" %)
777 +|(% style="width:208px" %)Device station No.|(% style="width:310px" %)1|(% style="width:365px" %)1|(% style="width:152px" %)
778 +
779 +**2）Address List**
780 +
781 +|=**Type**|=**Device registers**|=**Format**|=**Range**|=**Note**
782 +|Bit|QX|QXDDDDD.o|0~~99999.7|
783 +|Bit|IX|IXDDDDD.o|0~~99999.7|
784 +|Bit|MX|MXDDDDD.o|0~~99999.7|
785 +|Word|QW|QWDDDDD|0~~99999|
786 +|Word|IW|IWDDDDD|0~~99999|
787 +|Word|MW|MWDDDDD|0~~99999|
788 +|Word|MD|MDDDDDD|0~~99999|
789 +
790 +**Cable Wiring**
791 +
792 +RS232
793 +
794 +(% style="text-align:center" %)
795 +[[image:HollySysRS232.png]]
796 +
797 +RS485
798 +
799 +(% style="text-align:center" %)
800 +[[image:Hollysys LM Modbus RTU.gif]]
801 +
802 += **Siemens ** =
803 +
804 +== **S7-200 Smart Ethernet ** ==
805 +
806 +[[download link>>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]]
807 +
808 +== **S7-300 Ethernet ** ==
809 +
543 543  Supported Series: Siemens S7-300 series PLC
544 544  
545 545  **1）V-BOX setting**
... ... @@ -596,11 +596,11 @@
596 596  )))
597 597  )))
598 598  
599 -== **S7-1200 Ethernet Protocol** ==
866 +== **S7-1200 Ethernet ** ==
600 600  
601 601  [[download link>>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]]
602 602  
603 -== **S7-XXX Ethernet Protocol** ==
870 +== **S7-XXX Ethernet l** ==
604 604  
605 605  Supported Series: Siemens S7-400, S7-1200 and S7-1500
606 606  
... ... @@ -714,7 +714,7 @@
714 714  
715 715  [[image:image-20220824162342-2.png]]
716 716  
717 -== **LOGO Ethernet Protocol** ==
984 +== **LOGO Ethernet ** ==
718 718  
719 719  Supported Series: Siemens Logo 0BA0, 0BA1 series
720 720  
... ... @@ -805,9 +805,9 @@
805 805  ** Register VD: Use only registers that are multiples of 4, such as 0, 4, 8, etc.
806 806  ** Register VW: Use only registers thay 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 )
807 807  
808 -= Create communication with **Mitsubishi PLC** =
1075 += **Mitsubishi ** =
809 809  
810 -== **FX1S，1N，2N Serial Protocol** ==
1077 +== **FX1S，1N，2N Serial ** ==
811 811  
812 812  Supported Series: Mitsubishi FX1S, FX1N, FX2N series
813 813  
... ... @@ -854,7 +854,7 @@
854 854  [[image:image-20220825100845-4.png]]
855 855  
856 856  
857 -== **FX3U，3G，3GA Serial Protocol** ==
1124 +== **FX3U，3G，3GA Serial ** ==
858 858  
859 859  Supported Series: Mitsubishi FX3U, FX3G, FX3GA series
860 860  
... ... @@ -901,7 +901,7 @@
901 901  [[image:image-20220825100845-4.png]]
902 902  
903 903  
904 -== **FX3U Ethernet Protocol** ==
1171 +== **FX3U Ethernet ** ==
905 905  
906 906  Supported Modules: FX3U-ENET-ADP, FX3U-ENET-L
907 907  
... ... @@ -1939,6 +1939,74 @@
1939 1939  
1940 1940  [[image:https://docs.we-con.com.cn/bin/download/PIStudio/12.PLC%20protocols/WebHome/12.PLC%20Protocol_html_2297240b57346b2a.png?width=401&height=170&rev=1.1||alt="12.可编程逻辑控制器Protocol_html_2297240b57346b2a.png" height="170" width="401"]]
1941 1941  
2209 += Create communication with INVT PLC =
2210 +
2211 +**1）V-BOX setting**
2212 +
2213 +|**Item**|**Settings**|**Note**
2214 +|Protocol|INVT_IVC2L|
2215 +|Connection|RS232|
2216 +|Baud rate|19200|
2217 +|Data bit|8|
2218 +|Parity|EVEN|
2219 +|Stop bit|1|
2220 +|PLC station No.|1
2221 +
2222 +**2）Address List**
2223 +
2224 +
2225 +|**Type**|**Device registers**|**Format**|**Range**|**Note**
2226 +|(% colspan="1" rowspan="7" %)Bit|X|XOOO|0~~377|
2227 +|Y|YOOO|0~~377|
2228 +|M|MDDDD|0~~1999|
2229 +|SM|SMDDD|0~~255|
2230 +|S|SDDD|0~~991|
2231 +|T|TDDD|0~~255|
2232 +|C|CDDD|0~~255|
2233 +|(% rowspan="5" %)Word|D|DDDDD|0~~7999|
2234 +|SD|SDDDD|0~~255|
2235 +|Z|ZDD|0~~15|
2236 +|T|TDDD|0~~255|
2237 +|C|CDDD|0~~199|
2238 +|Double word|C|CDDD|200~~255|
2239 +
2240 +**3）Communication Settings**
2241 +
2242 +(% style="text-align:center" %)
2243 +[[image:盒子创建英威腾.png]]
2244 +
2245 +**4）PLC software**
2246 +
2247 +(% style="text-align:center" %)
2248 +[[image:英威腾软件.png]]
2249 +
2250 +**5）PLC setting **
2251 +
2252 +Open the INVI plc software, create a new project or open a project that has already been created
2253 +
2254 +(% style="text-align:center" %)
2255 +[[image:英威腾创建1.png]]
2256 +
2257 +Configure serial port parameters.
2258 +
2259 +(% style="text-align:center" %)
2260 +[[image:英威腾创建2.png]]
2261 +
2262 +PC connect PLC
2263 +
2264 +(% style="text-align:center" %)
2265 +[[image:英威腾创建3.png]]
2266 +
2267 +Download
2268 +
2269 +(% style="text-align:center" %)
2270 +[[image:英威腾下载.png]]
2271 +
2272 +**6）Cable Wiring**
2273 +
2274 +(% style="text-align:center" %)
2275 +[[image:wire.png]]
2276 +
1942 1942  = Create communication with **Modbus ** =
1943 1943  
1944 1944  == **MODBUS RTU Slave (All function)** ==
... ... @@ -1950,6 +1950,86 @@
1950 1950  (% style="text-align:center" %)
1951 1951  [[image:1624342015914-382.png||height="486" width="800" class="img-thumbnail"]]
1952 1952  
2288 +== **Communicate with Modbus Meter** ==
2289 +
2290 +The following example is using the Linfee meter LNF96EY to demonstrate how to set up the Modbus communication.
2291 +
2292 +~1. Wiring the RS485 cable first. Because the pin 58 is A, the pin 59 is B for meter. Here we use the COM1 to connect. So the diagram like follows:
2293 +
2294 +(% style="text-align:center" %)
2295 +[[image:LinfeeTerminalDiagram.png]]
2296 +
2297 +2. Check the specific Modbus parameter in the communication menu from LED display.
2298 +
2299 +So from the following pictures, we can know the Meter Address is 85, Baud rate is 9600, CRC None.
2300 +
2301 +{{info}}
2302 +**✎Note: **Meter address usually corresponding to the Modbus Slave Station No. on the Modbus communication.
2303 +{{/info}}
2304 +
2305 +(% style="text-align:center" %)
2306 +[[image:MeterModbusAllView.png]]
2307 +
2308 +(% class="wikigeneratedid" %)
2309 +3. Set up the communication in the Configuration tab.
2310 +
2311 +(% class="wikigeneratedid" %)
2312 +Select the protocol as **ModBus RTU Slave (All Function)**. And set the communication parameters like below.
2313 +
2314 +(% style="text-align:center" %)
2315 +[[image:VNETCommunicationtabmeter.png]]
2316 +
2317 +(% class="wikigeneratedid" %)
2318 +4. Create new real-time monitoring tag accroding to Modbus manual
2319 +
2320 +(% class="wikigeneratedid" %)
2321 +Enter the address we want to read from the meter. The following table is intercept part of the manual for Linfee Modbus manual.
2322 +
2323 +(% class="wikigeneratedid" %)
2324 +**0x03/0x04 command data register address**:
2325 +
2326 +(% style="width:1142.22px" %)
2327 +|(% style="display:none" %) |=(% colspan="2" rowspan="1" style="width: 165px;" %)Address(% style="display:none" %) |=Description|=Data Format|=(% style="width: 254px;" %)Data Length(Word)|=(% style="width: 282px;" %)Remark
2328 +|(%%)(% style="display:none" %) (%%) HEX|(% style="width:107px" %)DEC|(%%)(% style="display:none" %) (%%) |(% style="width:100px" %) |(%%)(% style="display:none" %) (%%) |(% style="width:318px" %)
2329 +|(% style="width:107px" %)0x00|(% style="width:100px" %)0|Reserved| | |(% style="width:318px" %)
2330 +|(% style="width:107px" %)0x02|(% style="width:100px" %)2|Reserved| | |(% style="width:318px" %)
2331 +|(% style="width:107px" %)0x04|(% style="width:100px" %)4|Reserved| | |(% style="width:318px" %)
2332 +|(% style="width:107px" %)0x06|(% style="width:100px" %)6|Ua|float|2|(% style="width:318px" %)Phase Voltage data, Unit V
2333 +|(% style="width:107px" %)0x08|(% style="width:100px" %)8|Ub|float|2|(% style="width:318px" %)Phase Voltage data, Unit V
2334 +|(% style="width:107px" %)0x0A|(% style="width:100px" %)10|Uc|float|2|(% style="width:318px" %)Phase Voltage data, Unit V
2335 +|(% style="width:107px" %)0x0C|(% style="width:100px" %)12|Uab|float|2|(% style="width:318px" %)Line Voltage data, Unit V
2336 +|(% style="width:107px" %)0x0E|(% style="width:100px" %)14|Ubc|float|2|(% style="width:318px" %)Line Voltage data, Unit V
2337 +|(% style="width:107px" %)0x10|(% style="width:100px" %)16|Uca|float|2|(% style="width:318px" %)Line Voltage data, Unit V
2338 +|(% style="width:107px" %)0x12|(% style="width:100px" %)18|Ia|float|2|(% style="width:318px" %)Phase Current data, Unit A
2339 +|(% style="width:107px" %)0x14|(% style="width:100px" %)20|Ib|float|2|(% style="width:318px" %)Phase Current data, Unit A
2340 +|(% style="width:107px" %)0x16|(% style="width:100px" %)22|Ic|float|2|(% style="width:318px" %)Phase Current data, Unit A
2341 +
2342 +{{info}}
2343 +**✎Note: **We usually use the Data Type 4 for read the Modbus registers(Function Code 03)
2344 +{{/info}}
2345 +
2346 +For example, here we want to read the Phase Voltage Ua (Modbus offset 0006), the Modbus register main No. requires input decimal number, and check whether the actual address has one address offset, so the tag configured like the following screenshot:
2347 +
2348 +(% style="text-align:center" %)
2349 +[[image:VNETModbusTagSettings.png]]
2350 +
2351 +(% style="text-align:center" %)
2352 +[[image:VNETModbusTagByteSettings.png]]
2353 +
2354 +{{info}}
2355 +**✎Note: **If the read value is incorrect, please check whether need to change the Byte order.
2356 +{{/info}}
2357 +
2358 +Set the Modbus Slave Station No.
2359 +
2360 +(% style="text-align:center" %)
2361 +[[image:ModbusStationSettings.png]]
2362 +
2363 +If the communication is setup successfully, the tag will show green light.
2364 +
2365 +(% style="text-align:center" %)
2366 +[[image:Monitoringtaggreenlight.png]]
2367 +
1953 1953  == **MODBUS RTU Master** ==
1954 1954  
1955 1955  Select the protocol "Modbus RTU Master",
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