AH500 Programming Manual 2-74 Special data register Refresh time SR227~SR308 The register is refreshed when the program is downloaded to the PLC. SR309~SR390 The register is refreshed when the status of the PLC changes. SR391~SR397 The register is refreshed every scan cycle. SR407 SR407 is refreshed every second. SR408 SR408 is refreshed whenever the instruction END is executed. SR409~SR410 Users set the value and clear it. SR411~SR416 The register is refreshed whenever the instruction END is executed. SR453 SR453 is refreshed when an error occurs. SR621~SR622 Users set the value and clear it. SR623~SR638 The register is refreshed when the instruction IMASK is executed.
SR655~SR730 The register is refreshed when an error occurs in the I/O module. SR1000~SR1006 Users set the value and clear it. SR1007 Ethernet transmission speed SR1008 Ethernet transmission mode SR1100~SR1117 The register is refreshed every scan cycle. SR1118~SR1128 The register is refreshed when the parameter is downloaded to the PLC. SR1129~SR1130 The register is refreshed when the parameter is downloaded to the PLC, or when the PLC is supplied with power. SR1131~SR1141 The register is refreshed when the parameter is downloaded to the PLC. SR1142~SR1143 The register is refreshed when the parameter is downloaded to the PLC, or when the PLC is supplied with power.
SR1144~SR1154 The register is refreshed when the parameter is downloaded to the PLC. SR1155~SR1156 The register is refreshed when the parameter is downloaded to the PLC, or when the PLC is supplied with power. SR1157~SR1167 The register is refreshed when the parameter is downloaded to the PLC. SR1168~SR1169 The register is refreshed when the parameter is downloaded to the PLC, or when the PLC is supplied with power. SR1170~SR1180 The register is refreshed when the parameter is downloaded to the PLC. SR1181~SR1182 The register is refreshed when the parameter is downloaded to the PLC, or when the PLC is supplied with power.
SR1183~SR1193 The register is refreshed when the parameter is downloaded to the PLC. SR1194~SR1195 The register is refreshed when the parameter is downloaded to the PLC, or when the PLC is supplied with power. SR1196~SR1206 The register is refreshed when the parameter is downloaded to the PLC. SR1207~SR1208 The register is refreshed when the parameter is downloaded to the PLC, or when the PLC is supplied with power. SR1209~SR1219 The register is refreshed when the parameter is downloaded to the PLC. SR1220~SR1221 The register is refreshed when the parameter is downloaded to the PLC, or when the PLC is supplied with power.
SR1222~SR1231 The register is refreshed when the parameter is downloaded to the PLC. SR1232~SR1233 The register is refreshed when the parameter is downloaded to the PLC, or when the PLC is supplied with power. SR1234~SR1243 The register is refreshed when the parameter is downloaded to the PLC. SR1244~SR1245 The register is refreshed when the parameter is downloaded to the PLC, or when the PLC is supplied with power. SR1246~SR1255 The register is refreshed when the parameter is downloaded to the PLC. SR1256~SR1257 The register is refreshed when the parameter is downloaded to the PLC, or when the PLC is supplied with power.
SR1258~SR1267 The register is refreshed when the parameter is downloaded to the PLC. SR1268~SR1269 The register is refreshed when the parameter is downloaded to the PLC, or when the PLC is supplied with power.