AH500 Programming Manual 2-36 Special auxiliary relay Refresh time SM408 The system automatically sets SM408 to ON and resets it to OFF. SM408 is refreshed every second. SM409 The system automatically sets SM409 to ON and resets it to OFF. SM409 is refreshed every n seconds, n is specified by SR409. SM410 The system automatically sets SM410 to ON and resets it to OFF. SM410 is refreshed every n seconds, and n is specified by SR410. SM450 The system automatically sets SM450 to ON and resets it to OFF. ON: The memory card is inserted into the PLC. SM451 Users set SM451 to ON and reset it to OFF. ON: The memory card is write protected.
SM452 The system automatically sets SM452 to ON and resets it to OFF. ON: The data in the memory card is being accessed. SM453 The system automatically sets SM453 to ON and resets it to OFF. ON: An error occurs during the operation of the memory card. SM600~SM602 The system automatically sets the flag to ON and resets it to OFF. The flag is refreshed when the instruction is executed. SM603 The system automatically sets SM603 to ON and resets it to OFF. SM603 is refreshed when the instruction SORT is executed. SM604 Users set SM604 to ON and reset it to OFF. SM604 is refreshed when the instruction SORT whose mode is the descending order is executed.
SM605 Users set SM605 to ON and reset it to OFF. SM606 Users set SM606 to ON and reset it to OFF. ON: The 8-bit mode SM607 Users set SM607 to ON or OFF. SM608 SM608 is refreshed when the instruction is executed. SM609 Users set the flag to ON or OFF. SM610~SM611 The flag is refreshed when the instruction is executed. SM612~SM613 Users set the flag to ON or OFF. SM614 SM614 is refreshed when the instruction is executed. SM615~SM617 Users set the flag to ON or OFF. SM618 SM618 is refreshed when the instruction is executed. SM619 SM619 is refreshed when EI or DI is executed. SM620 SM620 is refreshed when the instruction CMPT is executed. SM621~SM686 Users set the flag to ON or OFF.
SM687 SM687 is refreshed when the instruction RAMP is executed. SM688 SM688 is refreshed when the instruction INCD is executed. SM690~SM691 Users set the flag to ON or OFF. SM692 SM692 is refreshed when the instruction HKY is executed. SM693 SM693 is refreshed when the instruction SEGL is executed. SM694 SM694 is refreshed when the instruction DSW is executed. SM695 and SM1000 Users set the flag to ON or OFF. SM1090 SM1090 is ON when the TCP connection is busy. SM1091 SM1091 is ON when the UDP connection is busy. SM1106 SM1106 is ON when the PHY initialization fails. SM1107 SM1107 is ON when the IP address, the netmask address, and the gateway address are set incorrectly.
SM1108 SM1108 is ON when there is a filter setting error. SM1109 SM1109 is ON when the function of the socket is enabled and the same port is used.