Allen-Bradley 1779-KFMR User Manual page 125

Data highway ii synchronous-device interface
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Unless otherwise stated, values shown are in hexadecimal, and each block
shown represents one byte.
Exit Download/Upload Mode
This command takes the PLC-2 processor out of the upload or download
mode. Use this command to restart the PLC-2 processor after performing
an upload or download operation.
If you don't send this command after a download/upload mode command,
you will have to cycle power at the 1779-KP2 interface to enable
industrial terminal communication.
Command Format:
Reply Format:
Unless otherwise stated, values shown are in hexadecimal, and each block
shown represents one byte.
Physical Write
This command writes a block of data into the data table or program
memory of a programmable controller. Only use this command together
with other commands of a download procedure ("PLC-2
Upload/Download Procedures").
Use the address (P ADDR) field to specify the starting physical byte
address of where to write the block of data. Use the SIZE field to specify
the number of bytes to be written. To specify a number of words, the
P ADDR and SIZE fields should have even values because words in a
programmable controller are two bytes long.
Chapter 8

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