AH500 Programming Manual Note: As to the SM numbers marked “*”, users can refer to the additional remarks on special auxiliary relays/special data registers. 2.2.8 Refresh Time of Special Auxiliary Relays 2-34 CPU5X0-RS2 CPU5X0-EN OFF STOP RUN SM Function Attribute Default ON RUN STOP *SM2030 The data is sent by using the instruction EMDRW 6. X ○ OFF OFF OFF R/W OFF *SM2031 The PLC waits for the data after the instruction EMDRW 6 is used. X ○ OFF OFF OFF R OFF *SM2032 The data is received by using the instruction EMDRW 6. X ○ OFF OFF OFF R/W OFF *SM2033 An error occurs when the instruction EMDRW 6 is used.
X ○ OFF OFF OFF R OFF *SM2034 There is a timeout after the instruction EMDRW 6 is used. X ○ OFF OFF OFF R OFF *SM2035 The connection is closed after the instruction EMDRW 6 is used. X ○ ON ON ON R ON *SM2036 The data is sent by using the instruction EMDRW 7. X ○ OFF OFF OFF R/W OFF *SM2037 The PLC waits for the data after the instruction EMDRW 7 is use. X ○ OFF OFF OFF R OFF *SM2038 The data is received by using the instruction EMDRW 7. X ○ OFF OFF OFF R/W OFF *SM2039 An error occurs when the instruction EMDRW 7 is used. X ○ OFF OFF OFF R OFF *SM2040 There is a timeout after the instruction EMDRW 7 is used.
X ○ OFF OFF OFF R OFF *SM2041 The connection is closed after the instruction EMDRW 7 is used. X ○ ON ON ON R ON *SM2042 The data is sent by using the instruction EMDRW 8. X ○ OFF OFF OFF R/W OFF *SM2043 The PLC waits for the data after the instruction EMDRW 8 is used. X ○ OFF OFF OFF R OFF *SM2044 The data is received by using the instruction EMDRW 8. X ○ OFF OFF OFF R/W OFF *SM2045 An error occurs when the instruction EMDRW 8 is used. X ○ OFF OFF OFF R OFF *SM2046 There is a timeout after the instruction EMDRW 8 is used. X ○ OFF OFF OFF R OFF *SM2047 The connection is closed after the instruction EMDRW 8 is used.
X ○ ON ON ON R ON Special auxiliary relay Refresh time SM0~SM1 The system automatically sets the flag to ON and resets it to OFF. The flag is automatically set to ON when there is an operation error. SM5 The system automatically sets SM5 to ON and resets it to OFF. (1) SM5 is refreshed when the program is rewritten in the PLC. (2) SM5 is refreshed when the PLC is supplied with power and starts to run for the first time.