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**✎Note:** COM3 only available in PI8000/PI9000 series. |
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-== {{id name="HModbusMeter"/}}**Modbus ASCII Slave** == |
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-Supported Series: MODBUS ASCII CONTROLLER |
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-HMI works as MODBUS MASTER connecting with SLAVE. |
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-The addresses in [All function] start from 0 |
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-(% style="text-align:center" %) |
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-[[image:1732689881232-694.png||height="470" width="605"]] |
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-(% class="wikigeneratedid" %) |
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-**HMI Settings** |
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-|**Items**|**Settings**|**Note** |
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-|Protocol|MODBUS (ASCII) Slave | |
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-|Connection|RS485/RS232| |
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-|Baud rate|2400~~187500| |
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-|Data bit|8| |
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-|Parity|Even/ Odd/ None| |
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-|Stop bit|1/2| |
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-|PLC station No.|0~~255| |
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-(% class="wikigeneratedid" %) |
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-**Address List** |
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-|Type|Address Type|Function code & Description |
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-|(% colspan="1" rowspan="6" %)Word|(% colspan="1" rowspan="3" %)3|04 (readinput register:read current binary valenone ormore input reisters) |
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-|06 (write single register: write abinary value to a holding register) |
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-|10 (write values to multiple addresses |
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-|(% colspan="1" rowspan="3" %)4|03(readoldingegister:readcurrent binaryvaluinnermreolingregistes) |
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-|06 wite sinleregisterwrite abinary valetaholding register) |
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-|10 (write values to multiple addresses ) |
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-|(% colspan="1" rowspan="8" %)Bit|(% colspan="1" rowspan="3" %)0|01 (Read coil state) |
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-|05 (Force a single coil to force the on/off state of a logic coil) |
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-|0F (Write multiple bits, ie write continuously) |
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-|(% colspan="1" rowspan="3" %)1| 02 (Read the input state) |
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-|05(Force a single coil to force the on/ofstate ofalogic coil |
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-|0F (Write multiple bits) |
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-|3|Get bit from word address |
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-|4|Get bit from word address |
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-(% class="wikigeneratedid" %) |
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-Message |
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-(% style="text-align:center" %) |
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-[[image:1732691203758-287.png||height="527" width="918"]] |
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-(% class="wikigeneratedid" %) |
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-The communication message of this protocol is sent in ASCII format instead of HEX, but its overall message format is similar to HEX. |
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-**Cable Wiring** |
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-* **RS485** |
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-[[image:xwiki_PIStudio_12.PLC+protocols_WebHome_f7a20d394715b397.png||alt="12.PLC Protocol_html_68dfb6d383f0edd9.png" height="244" width="394"]] |
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-* **RS232** |
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-(% class="wikigeneratedid" %) |
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-[[image:xwiki_PIStudio_12.PLC+protocols_WebHome_11602f9c716ff03c.png||alt="12.PLC Protocol_html_9030ba679545793b.png" height="241" width="387"]] |
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== {{id name="HModbusMeter"/}}**Modbus Meter** == |
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The following example is using the Linfee meter LNF96EY to demonstrate how to set up the Modbus communication. |
