Changes for page 08 Communication
Last modified by Iris on 2025/07/24 15:23
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... ... @@ -164,38 +164,43 @@ 164 164 165 165 == **Communication example** == 166 166 167 -**03 Function Code Read** 168 168 168 + 169 +**03 Function code read** 170 + 169 169 Read the monitoring volume U0-31 bus voltage, the Modbus register address corresponding to this variable is 7716 (0x1E24) 170 170 171 171 Request format: 172 172 173 -(% class="table-bordered" %)174 -| (% 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**175 -| (% 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 29 176 176 177 177 The slave responds normally: 178 178 179 -(% class="table-bordered" %)180 -| (% 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**181 -| (% 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 182 182 183 -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. 184 184 187 + 188 + 185 185 **06 Function Code Write** 186 186 187 -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) 188 188 189 189 Request format: 190 190 191 -(% class="table-bordered" %)192 -| (% 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**193 -| (% 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, 76 194 194 195 195 The slave responds normally: 196 196 197 -|(% 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** 198 -|(% 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, 76 199 199 200 200 = **Servo communication parameter setting** = 201 201