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... ... @@ -119,6 +119,68 @@ 119 119 120 120 **✎Note:** COM3 only available in PI8000/PI9000 series. 121 121 122 +== {{id name="HModbusMeter"/}}**Modbus ASCII Slave** == 123 + 124 +Supported Series: MODBUS ASCII CONTROLLER 125 + 126 +HMI works as MODBUS MASTER connecting with SLAVE. 127 + 128 +The addresses in [All function] start from 0 129 + 130 +(% style="text-align:center" %) 131 +[[image:1732689881232-694.png||height="470" width="605"]] 132 + 133 +(% class="wikigeneratedid" %) 134 +**HMI Settings** 135 + 136 +|**Items**|**Settings**|**Note** 137 +|Protocol|MODBUS (ASCII) Slave | 138 +|Connection|RS485/RS232| 139 +|Baud rate|2400~~187500| 140 +|Data bit|8| 141 +|Parity|Even/ Odd/ None| 142 +|Stop bit|1/2| 143 +|PLC station No.|0~~255| 144 + 145 +(% class="wikigeneratedid" %) 146 +**Address List** 147 + 148 +|Type|Address Type|Function code & Description 149 +|(% colspan="1" rowspan="6" %)Word|(% colspan="1" rowspan="3" %)3|04 (readinput register:read current binary valenone ormore input reisters) 150 +|06 (write single register: write abinary value to a holding register) 151 +|10 (write values to multiple addresses 152 +|(% colspan="1" rowspan="3" %)4|03(readoldingegister:readcurrent binaryvaluinnermreolingregistes) 153 +|06 wite sinleregisterwrite abinary valetaholding register) 154 +|10 (write values to multiple addresses ) 155 +|(% colspan="1" rowspan="8" %)Bit|(% colspan="1" rowspan="3" %)0|01 (Read coil state) 156 +|05 (Force a single coil to force the on/off state of a logic coil) 157 +|0F (Write multiple bits, ie write continuously) 158 +|(% colspan="1" rowspan="3" %)1| 02 (Read the input state) 159 +|05(Force a single coil to force the on/ofstate ofalogic coil 160 +|0F (Write multiple bits) 161 +|3|Get bit from word address 162 +|4|Get bit from word address 163 + 164 +(% class="wikigeneratedid" %) 165 +Message 166 + 167 +(% style="text-align:center" %) 168 +[[image:1732691203758-287.png||height="527" width="918"]] 169 + 170 +(% class="wikigeneratedid" %) 171 +The communication message of this protocol is sent in ASCII format instead of HEX, but its overall message format is similar to HEX. 172 + 173 +**Cable Wiring** 174 + 175 +* **RS485** 176 + 177 +[[image:xwiki_PIStudio_12.PLC+protocols_WebHome_f7a20d394715b397.png||alt="12.PLC Protocol_html_68dfb6d383f0edd9.png" height="244" width="394"]] 178 + 179 +* **RS232** 180 + 181 +(% class="wikigeneratedid" %) 182 +[[image:xwiki_PIStudio_12.PLC+protocols_WebHome_11602f9c716ff03c.png||alt="12.PLC Protocol_html_9030ba679545793b.png" height="241" width="387"]] 183 + 122 122 == {{id name="HModbusMeter"/}}**Modbus Meter** == 123 123 124 124 The following example is using the Linfee meter LNF96EY to demonstrate how to set up the Modbus communication.
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... ... @@ -1,0 +1,5 @@ 1 +这里串口的表述有问题。 2 + 3 +串口内的针脚定义。 针脚1 是左上角的位置。 4 + 5 +我们这里也缺少对串口的针脚定义的解释。 那个口是公头还是母头？