Delta AH500 - Page 58

Chapter 2 Devices
2-39
Limited
to
Special auxiliary
relay
Refresh time
SM22, SM23, SM24
Users set the flag to ON, and the system automatically resets it to
OFF.
The log is cleared when the flag is ON.
SM25~SM26
The system automatically sets the flag to ON and resets it to OFF.
The flag is refreshed every scan cycle.
SM96~SM97
Users set the flag to ON. After the data is sent, the system
automatically resets the flag to OFF.
SM98~SM99
The system automatically sets the flag to ON and resets it to OFF.
The flag is automatically set to ON when the command is sent.
SM100~SM101
The system automatically sets the flag to ON, and users reset it to
OFF.
The flag is set to ON when the command is received.
SM102~SM103
The system automatically sets the flag to ON, and users reset it to
OFF.
Th
e flag is automatically set to ON when the command received is
wrong.
SM104~SM105
The system automatically sets the flag to ON, and users reset it to
OFF.
The flag is set to ON when there is a receive timeout.
SM106~SM107
Users set the flag to ON and reset it to OFF.
ON: The 8-bit mode
OFF: The 16-bit mode
SM108, SM109
Users set the flag to ON and reset it to OFF.
SM204~SM205
Users set the flag to ON, and the system automatically resets it to
OFF.
ON: Clearing the non-latched/latched areas
SM206
Users set SM206 to ON and reset it to OFF.
ON: Inhibiting all output
SM209
Users set SM209 to ON, and the system automatically resets it to
OFF.
ON: The communication protocol of COM1 changes.
SM210
Users set SM210 to ON and reset it to OFF.
ON: The RTU mode
SM211
Users set SM211 to ON, and the system automatically resets it to
OFF.
ON: The communication protocol of COM2 changes.
SM212
Users set SM212 to ON and reset it to OFF.
ON: The RTU mode
SM215
Users set SM215 to ON and reset it to OFF.
ON: The PLC runs.
SM220
Users set SM220 to ON and reset it to OFF.
ON: Calibrating the real-time clock within ±30 seconds
SM400~SM401
The system automatically sets the flag to ON and resets it to OFF
when CPU runs.
The flag is refreshed every scan cycle.
SM402~SM403
The system automatically sets the flag to ON and resets it to OFF
when CPU runs.
The flag is refreshed whenever the instruction END is executed.
SM404
The system automatically sets the flag to ON and resets it to OFF.
SM404 is refreshed every 5 milliseconds.
SM405
The system automatically sets SM405 to ON and resets it to OFF.