Ensure that the port, parity, baud, PLC type, and network address are specified on the command line, if different that the default.
sd_test.exe –TCOM1 –B4800 –PC423
Selects the COM1 port, sets the baud rate to 4800 and selects the 423 programmable controller type.
sd_test.exe –B2400 –NA100.077
Sets the baud rate to 2400 and the network address to 100.077
Use the WM, RM, or LR commands to write or read to specified register (memory) locations.
Initiates a memory dump of a Series 600 PLC.
Writes zeroes in locations 18 through 3981 of a Series 400 PLC.
Reads memory location 1011 in the PLC.
Executes a loop and read 100 times on location 3999 in the PLC.
Use the PCB, PRB, and PS commands for additional diagnostic information.
sd_test.exe –PRB –PCB
Prints the command and receive messages of specified operation
sd_test.exe – PS
Prints statistics pertaining to the specified operation
Use DI to verify or ascertain PLC type and memory size recognition.
sd_test.exe –PC500 –DI
Prints the device information for a Series 500 PLC.