AH500 Programming Manual Users can set the sockets which uses the UDP protocol to execute the data exchange in SR1222~SR1317. Please refer to section 6.22 for more information related to the Ethernet control instructions. 16. The functions related to the PLC Link SM1392~SM1598, and SR1335~SR1787 The PLC Link supports COM1 on the PLC. At most 32 slaves can be connected. When the master connects to the AH500 series programmable logic controllers, at most 450 words or 7200 bits can be read from the AH500 series programmable logic controllers and written into them.
When the master connects to other models which support the standard Modbus, at most 100 words or 1600 bits can be read from these models and written into them.
2-94 It Socke t r 1 2 3 4 5 6 7 8 Numbe em (low word) Received data length SR1125 SR1138 SR1151 SR1164 SR1177 SR1190 SR1203 SR1216 Received data address (high word) SR1126 SR1139 SR1152 SR1165 SR1178 SR1191 SR1204 SR1217 Received data address (low word) SR1127 SR1140 SR1153 SR1166 SR1179 SR1192 SR1205 SR1218 Persistent connection time SR1128 SR1141 SR1154 SR1167 SR1180 SR1193 SR1206 SR1219 Transmitted data counter SR1129 SR1142 SR1155 SR1168 SR1181 SR1194 SR1207 SR1220 Received data counter SR1130 SR1143 SR1156 SR1169 SR1182 SR1195 SR1208 SR1221 Socket Number Item 1 2 3 4 5 6 7 8 Local communication port SR1222 SR1234 SR1246 SR1258 SR1270 SR1282 SR1294 SR1306 Remote IP address (high word) SR1223 SR1235 SR1247 SR1259 SR1271 SR1283 SR1295 SR1317 Remote IP address (low word) SR1224 SR1236 SR1248 SR1260 SR1272 SR1284 SR1296 SR1318 Remote communication port SR1225 SR1237 SR1249 SR1261 SR1273 SR1285 SR1297 SR1309 Transmitted data length SR1226 SR1238 SR1250 SR1262 SR1274 SR1286 SR1298 SR1310 Transmitted data address (high word) SR1227 SR1239 SR1251 SR1263 SR1275 SR1287 SR1299 SR1311 Transmitted data address (low word) SR1228 SR1240 SR1252 SR1264 SR1276 SR1288 SR1300 SR1312 Received data length SR1229 SR1241 SR1253 SR1265 SR1277 SR1289 SR1301 SR1313 Received data address (high word) SR1230 SR1242 SR1254 SR1266 SR1278 SR1290 SR1302 SR1314 Received data address (low word) SR1231 SR1243 SR1255 SR1267 SR1279 SR1291 SR1303 SR1315 Transmitted data counter SR1232 SR1244 SR1256 SR1268 SR1280 SR1292 SR1304 SR1316 Received data counter SR1233 SR1245 SR1257 SR1269 SR1281 SR1293 SR1305 SR1317