Allen-Bradley 1779-KFMR User Manual page 136

Chapter 8
memory. If your station has the upload privilege for a PLC-3 station, the
shutdown command will cause the PLC-3 processor to turn off all outputs
and go into the program-load mode.
Command Format:
Success Reply Format:
Unless otherwise stated, values shown are in hexadecimal, and each block
shown represents one byte.
Physical Write
Use this command only as one step in a download procedure described in
"PLC-3 Upload/Download Procedures." Use the value in the four-byte
address field (P ADDR) to specify the physical address of the start of the
block of memory where data is to be written into at the destination for this
message packet.
Command Format:
Success Reply Format:
Unless otherwise stated, values shown are in hexadecimal, and each block
shown represents one byte.