Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command - Manual (Page 98)

7–11 Communication Commands
Publication 1770Ć6.5.16 - October 1996
file write (write file)
Writes data, starting at a file symbol or block address. This starting
address must point to a file of words.
STS
FNC
03
CMD
0F
TNS DST SRC
Logical Address
(2 Ć 51 bytes.)
Packet
Offset
Total
Trans
Data
(up to [239 bytes - the PLCĆ3 logical address length]; must be an even number)
C
This reply is the same as the reply packet for all unprotected,
protected, and privileged bit writes.
STS
CMD
4F
TNS SRC DST
EXT
STS
R
The EXT STS field may be attached to the reply packet if an error occurs.
get edit resource
Secures the edit resource (sole access) for the programming device.
Once a programming device has obtained the edit resource, another
node cannot write to or modify the device.
CMD
0F
STS
FNC
11
TNS C
CMD
4F STS
TNS R
DST SRC
LNH
HI
DST
EXT
STS
PSN PSN
LNH
LO
PSN SRC PSN
The EXT STS field may be attached to the reply packet only when there is an error.
LNH - length of the optional portion of the reply packet in bytes.
First four words of get edit resource
The first four words are currently unused and unexamined.
To assure compatibility with any future use of these bytes, they
should be initialized to 0. DST, PSN, and SRC are included for
reference only.
For this processor This access is cleared by
SLC 500, SLC 5/01, SLC 5/02 any node sending a return edit resource
SLC 5/03, SLC 5/04
the programming device or via a timed mechanism
internal to the processor sending a return edit
resource
• PLCĆ3
• PLCĆ5/250
• PLCĆ5
• PLCĆ5/250
(receive only)
• PLCĆ5/VME
• SLC 500
• SLC 5/03
• SLC 5/04
"