Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command - Manual (Page 121)

7–34 Communication Commands
Publication 1770Ć6.5.16 - October 1996
upload completed
After uploading a complete system, use to return the processor to the
mode it was in prior to executing the upload all request command.
CMD
0F
STS
FNC
55
TNS C
CMD
4F STS
TNS R
DST SRC
SRC DST
EXT
STS
The EXT STS field may be attached to the reply packet only when there is an error.
upload
Informs the interface module that it wants to perform an upload.
If the module grants the upload privilege, the computer issues
physical reads. If another node already has the upload privilege,
the second node is denied the privilege.
CMD
0F STS
FNC
06
TNS C
CMD
4F STS
TNS R
EXT
STS
The EXT STS field may be attached to the reply packet only when there is an error.
DST SRC
SRC DST
word range read (read block)
Reads a word or file starting at a specified address. A special case
of this command is a single-word read, where the number of bytes to
read is only two bytes (one word). This command must always be an
even number of bytes.
CMD
0F
STS
FNC
01
TNS C
CMD
4F STS
R
DST SRC
SRC DST
Packet
Offset
PLC sys. address
Total
Trans
Size
The DATA field may be replaced by an EXT STS field if there is an error.
Data Ć max. 244 bytes
or 122 words)
For this processor The starting address can be a
PLCĆ3
word symbol, file symbol plus a word offset, or a block address.
The starting address must point to a word in a file.
PLCĆ5
logical binary address or a logical ASCII address of up to 51
bytes.
• PLCĆ5
• PLCĆ5/VME
• PLCĆ3
• PLCĆ3
• PLCĆ5