AH500 Programming Manual 2-26 CPU5X0-RS2 CPU5X0-EN OFF STOP RUN SM Function Attribute Default ON RUN STOP *SM1372 UDP socket 8─The connection has been closed.
X ○ ON – – R ON *SM1373 UDP socket 8─Error flag X ○ OFF – – R OFF SM1374 Web setting error X ○ OFF – – R OFF *SM1392 ↓ SM1423 PLC Link flag (slave 1) ↓ PLC Link flag (slave 32) ○ ○ OFF – – R/W OFF *SM1424 ↓ SM1455 Data exchange in the PLC Link (slave 1) ↓ Data exchange in the PLC Link (slave 32) ○ ○ OFF – – R OFF *SM1456 ↓ SM1487 A read error in the PLC Link (slave 1) ↓ A read error in the PLC Link (slave 32) ○ ○ OFF – – R OFF *SM1488 ↓ SM1519 A write error in the PLC Link (slave 1) ↓ A write error in the PLC Link (slave 32) ○ ○ OFF – – R OFF *SM1520 ↓ SM1551 The data reading in the PLC Link is complete. (slave 1) ↓ The data reading in the PLC Link is complete.
(slave 32) ○ ○ OFF – – R OFF *SM1552 ↓ SM1583 The data writing in the PLC Link is complete. (slave 1) ↓ The data writing in the PLC Link is complete.
(slave 32) ○ ○ OFF – – R OFF *SM1584 Starting a connection in the PLC Link ○ ○ OFF – – R/W OFF *SM1585 Assignment of the slaves by users in the PLC Link ○ ○ – – – R/W OFF *SM1586 Automatic mode of the PLC Link ○ ○ – – – R/W OFF *SM1587 Manual mode of the PLC Link ○ ○ – – – R/W OFF *SM1588 Detection of the slaves in the PLC Link ○ ○ OFF – – R OFF *SM1589 PLC Link flag error ○ ○ OFF – – R OFF *SM1590 Device address error in the PLC Link ○ ○ OFF – – R OFF *SM1591 PLC Link timeout ○ ○ OFF – – R OFF *SM1592 The number of polling cycles in the PLC Link is incorrect.
○ ○ OFF – – R OFF *SM1593 Standard Modbus communication protocol is used in the PLC Link when SM1593 is OFF, whereas AH communication protocol is used in the PLC Link when SM1593 is ON. ○ ○ – – – R/W OFF