AH500 Programming Manual Note: As to the SM numbers marked “*”, users can refer to the additional remarks on special auxiliary relays/special data registers. *1 ： Only available for AHCPU530-EN, AHCPU520-EN and AHCPU510-EN *2 ： Only available for AHCPU530-EN and AHCPU520-EN *3 ： Only available for AHCPU530-EN *4 ： Only available for AHCPU531-EN and AHCPU521-EN *5 ： Only available for AHCPU531-EN *6 ： If the model is AHCPU5 Ч 1-EN, the value should be set to OFF. 2.2.8 Refresh Time of Special Auxiliary Relays 2-42 CPU5X0-RS2 CPU5X0-EN CPU5X1-RS2 CPU5X1-EN Attribute Default OFF STOP RUN SM Function ON RUN STOP EMDRW 6 is used.
*SM2035 The connection is closed after the instruction EMDRW 6 is used. × ○ × ○ ON ON ON R ON *SM2036 The data is sent by using the instruction EMDRW 7. × ○ × ○ OFF OFF OFF R/W OFF *SM2037 The PLC waits for the data after the instruction EMDRW 7 is use. × ○ × ○ OFF OFF OFF R OFF *SM2038 The data is received by using the instruction EMDRW 7. × ○ × ○ OFF OFF OFF R/W OFF *SM2039 An error occurs when the instruction EMDRW 7 is used. × ○ × ○ OFF OFF OFF R OFF *SM2040 There is a timeout after the instruction EMDRW 7 is used. × ○ × ○ OFF OFF OFF R OFF *SM2041 The connection is closed after the instruction EMDRW 7 is used.
× ○ × ○ ON ON ON R ON *SM2042 The data is sent by using the instruction EMDRW 8. × ○ × ○ OFF OFF OFF R/W OFF *SM2043 The PLC waits for the data after the instruction EMDRW 8 is used. × ○ × ○ OFF OFF OFF R OFF *SM2044 The data is received by using the instruction EMDRW 8. × ○ × ○ OFF OFF OFF R/W OFF *SM2045 An error occurs when the instruction EMDRW 8 is used. × ○ × ○ OFF OFF OFF R OFF *SM2046 There is a timeout after the instruction EMDRW 8 is used. × ○ × ○ OFF OFF OFF R OFF *SM2047 The connection is closed after the instruction EMDRW 8 is used. × ○ × ○ ON ON ON R ON Limited Special auxiliary Refresh time to relay 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.