Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command - Manual (Page 96)

7–9 Communication Commands
Publication 1770Ć6.5.16 - October 1996
enable outputs
Returns control of the outputs to the 1774-PLC ladder diagram
program. Use this command to cancel the effect of disable outputs.
CMD
07
STS
FNC
01
TNS C
CMD
47 STS
TNS R
DST SRC
SRC DST
enable PLC scanning
Restarts the 1774-PLC processor’s program scanner after a physical
write has been performed.
CMD
07
STS
FNC
03
TNS C
CMD
47
STS TNS R
DST SRC
SRC DST
enter download mode
Puts the PLC-2 processor in the download mode. Use this command
on a PLC-2 node before sending a physical write to the node.
CMD
07 STS
FNC
04
TNS C
CMD
47 STS
TNS R
DST SRC
SRC DST
Important: For early revisions of the 1771-KA2 and the industrial
terminal, when you send an enter download/upload
mode, the industrial terminal port is disabled until you
send an exit download/upload mode. When the
industrial terminal port is disabled, the industrial
terminal enters the mode select state. To leave this
state, you must manually select a mode at the industrial
terminal.
If you are using Use
• 1771ĆKA/A revision F
• 1771ĆKG/A
enter download mode before sending physical read
commands.
• 1771ĆKA2/B
• 1771ĆKG/B or later
enter upload mode before sending physical read
commands.
• 1774ĆPLC
• 1774ĆPLC
• PLCĆ2