Changes for page 08 Communication
Last modified by Iris on 2025/07/24 15:23
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... ... @@ -76,13 +76,15 @@ 76 76 77 77 Request format: 78 78 79 -|(% rowspan="2" %)**Address**|(% rowspan="2" %)**Function code**|(% colspan="2" %)**Initial address**|(% colspan="2" %)**Number of reads**|(% rowspan="2" %)**CRC check code** 79 +|(% rowspan="2" %)**Address**|(% rowspan="2" %)**Function code**|(% colspan="2" %)((( 80 +**Register address** 81 +)))|(% colspan="2" %)**Data**|(% rowspan="2" %)**CRC check code** 80 80 |**high byte**|**low byte**|**high byte**|**low byte** 81 81 |1 byte|06|1 byte|1 byte|1 byte|1 byte|2 bytes 82 82 83 83 Response format: 84 84 85 -|(% rowspan="2" %)**Address**|(% rowspan="2" %)**Function code**|(% colspan="2" %)** Initialaddress**|(% colspan="2" %)**Number of reads**|(% rowspan="2" %)**CRC check code**87 +|(% rowspan="2" %)**Address**|(% rowspan="2" %)**Function code**|(% colspan="2" %)**Register address**|(% colspan="2" %)**Data**|(% rowspan="2" %)**CRC check code** 86 86 |**high byte**|**low byte**|**high byte**|**low byte** 87 87 |1 byte|06|1 byte|1 byte|1 byte|1 byte|2 bytes 88 88 ... ... @@ -162,39 +162,62 @@ 162 162 163 163 == **Communication example** == 164 164 165 -**03 Function Code Read** 166 166 168 + 169 +**03 Function code read** 170 + 167 167 Read the monitoring volume U0-31 bus voltage, the Modbus register address corresponding to this variable is 7716 (0x1E24) 168 168 169 169 Request format: 170 170 171 -(% class="table-bordered" %)172 -| (% style="text-align:center; vertical-align:middle" %)**Address**|(% style="text-align:center; vertical-align:middle" %)**Function code**|(% style="text-align:center; vertical-align:middle" %)**Register addresshigh byte**|(% style="text-align:center; vertical-align:middle" %)**Register addresslow byte**|(% style="text-align:center; vertical-align:middle" %)**Datahigh byte**|(% style="text-align:center; vertical-align:middle" %)**Datalow byte**|(% style="text-align:center; vertical-align:middle" %)**CRC check code**173 -| (% style="text-align:center; vertical-align:middle" %)1byte|(% style="text-align:center; vertical-align:middle" %)06|(% style="text-align:center; vertical-align:middle" %)1byte|(% style="text-align:center; vertical-align:middle" %)1 byte|(% style="text-align:center; vertical-align:middle" %)1 byte|(% style="text-align:center; vertical-align:middle" %)1byte|(% style="text-align:center; vertical-align:middle" %)2bytes175 +|(% rowspan="2" %)**Address**|(% rowspan="2" %)**Function code**|(% colspan="2" %)**Register address**|(% colspan="2" %)**Data**|(% rowspan="2" %)**CRC check code** 176 +|**high byte**|**low byte**|**high byte**|**low byte** 177 +|01|03|1E|24|00|01|C2 29 174 174 175 175 The slave responds normally: 176 176 177 -(% class="table-bordered" %)178 -| (% style="text-align:center; vertical-align:middle" %)**Address**|(% style="text-align:center; vertical-align:middle" %)**Function code**|(% style="text-align:center; vertical-align:middle" %)**Number of bytes**|(% style="text-align:center; vertical-align:middle" %)**Datahigh byte**|(% style="text-align:center; vertical-align:middle" %)**Datalow byte**|(% style="text-align:center; vertical-align:middle" %)**CRC low byte**|(% style="text-align:center; vertical-align:middle" %)**CRC high byte**179 -| (% style="text-align:center; vertical-align:middle" %)01|(% style="text-align:center; vertical-align:middle" %)03|(% style="text-align:center; vertical-align:middle" %)02|(% style="text-align:center; vertical-align:middle" %)0C|(% style="text-align:center; vertical-align:middle" %)26|(% style="text-align:center; vertical-align:middle" %)3C|(%style="text-align:center; vertical-align:middle" %)9E181 +|(% rowspan="2" %)**Address**|(% rowspan="2" %)**Function code**|(% rowspan="2" %)**Number of bytes**|(% colspan="2" %)**Data**|(% rowspan="2" %)**CRC high byte** 182 +|**high byte**|**low byte** 183 +|01|03|02|0C|4F|FC B0 180 180 181 -The value read is 0x0C 26, which means that the voltage is 311.0V.185 +For example: The value read is 0x0C4F, which means that the voltage is 315.1V. 182 182 187 + 188 + 183 183 **06 Function Code Write** 184 184 185 -P1-10 the maximum speed threshold is set to 3000rpm. This variable corresponds to the Modbus 191 +P1-10 the maximum speed threshold is set to 3000rpm. This variable corresponds to the Modbus address: 266 (0x010A) 186 186 187 187 Request format: 188 188 189 -(% class="table-bordered" %)190 -| (% style="text-align:center; vertical-align:middle" %)**Address**|(% style="text-align:center; vertical-align:middle" %)**Function code**|(% style="text-align:center; vertical-align:middle" %)**Register addresshigh byte**|(% style="text-align:center; vertical-align:middle" %)**Register addresslow byte**|(% style="text-align:center; vertical-align:middle" %)**Datahigh byte**|(% style="text-align:center; vertical-align:middle" %)**Datalow byte**|(% style="text-align:center; vertical-align:middle" %)**CRC low byte**191 -| (% style="text-align:center; vertical-align:middle" %)01|(% style="text-align:center; vertical-align:middle" %)06|(% style="text-align:center; vertical-align:middle" %)01|(% style="text-align:center; vertical-align:middle" %)0A|(% style="text-align:center; vertical-align:middle" %)0B|(% style="text-align:center; vertical-align:middle" %)B8|(% style="text-align:center; vertical-align:middle" %)AF195 +|(% rowspan="2" %)**Address**|(% rowspan="2" %)**Function code**|(% colspan="2" %)**Register address**|(% colspan="2" %)**Data**|(% rowspan="2" %)**CRC check code** 196 +|**high byte**|**low byte**|**high byte**|**low byte** 197 +|01|06|01|0A|0B|B8|AF, 76 192 192 193 193 The slave responds normally: 194 194 195 -|(% style="text-align:center; vertical-align:middle" %)**Address**|(% style="text-align:center; vertical-align:middle" %)**Function code**|(% style="text-align:center; vertical-align:middle" %)**Register address high byte**|(% style="text-align:center; vertical-align:middle" %)**Register address low byte**|(% style="text-align:center; vertical-align:middle" %)**Data high byte**|(% style="text-align:center; vertical-align:middle" %)**Data low byte**|(% style="text-align:center; vertical-align:middle" %)**CRC low byte** 196 -|(% style="text-align:center; vertical-align:middle" %)01|(% style="text-align:center; vertical-align:middle" %)06|(% style="text-align:center; vertical-align:middle" %)01|(% style="text-align:center; vertical-align:middle" %)0A|(% style="text-align:center; vertical-align:middle" %)0B|(% style="text-align:center; vertical-align:middle" %)B8|(% style="text-align:center; vertical-align:middle" %)AF 201 +|(% rowspan="2" %)**Address**|(% rowspan="2" %)**Function code**|(% colspan="2" %)**Register address**|(% colspan="2" %)**Data**|(% rowspan="2" %)**CRC check code** 202 +|**high byte**|**low byte**|**high byte**|**low byte** 203 +|01|06|01|0A|0B|B8|AF, 76 197 197 205 + 206 + 207 +**10 Function code write** 208 + 209 +P07-09 set the 1st segment position to 2000, and this variable corresponds to the Modbus address: 1801 (0x0709). 210 + 211 +Request format: 212 + 213 +|(% rowspan="2" %)**Address**|(% rowspan="2" %)**Function code**|(% colspan="2" %)**Initial address**|(% colspan="2" %)**Number of register**|(% rowspan="2" %)**Number of data**|(% colspan="2" %)**Data 1**|(% colspan="2" %)**Data 2**|(% colspan="2" %)**CRC check code** 214 +|**high byte**|**low byte**|**high byte**|**low byte**|**high byte**|**low byte**|**high byte**|**low byte**|**high byte**|**low byte** 215 +|01|10|07|09|00|02|04|00|00|07|D0|16|59 216 + 217 +The slave responds normally: 218 + 219 +|(% rowspan="2" %)**Address**|(% rowspan="2" %)**Function code**|(% colspan="2" %)**Register address**|(% colspan="2" %)**Data**|(% colspan="2" %)**CRC check code** 220 +|**high byte**|**low byte**|**high byte**|**low byte**|**high byte**|**low byte** 221 +|01|10|07|09|00|02|90|BE 222 + 198 198 = **Servo communication parameter setting** = 199 199 200 200 (% style="text-align:center" %)