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CHAPTER 4
Using terminal commands
49
RETURNS The return result depends on the control byte. However, whatever
the return result is, it includes the control byte.
REMARKS The general behavior is that a PORT command issued on a certain
port bit will override any previous PORT commands. For example,
if a port was configured as input and then an MFR (monostable
function) was issued, the port automatically switches to output. A
new MFR or similar function clears the status of the port and starts
from scratch, even if the previous command was not finished.
REMOTE Yes, for the A720 and A723. If you are using a terminal window for
the A720, you cannot issue the PORT command. If you are using a
terminal window for the A720B, you can issue a PORT command
remotely for an A720 or A723 RTU, but you cannot issue the com-
mand for the A720B receiver. In other words, the base station can
issue a remote command for an RTU, but it cannot issue such a
command for itself. An RTU cannot issue the command at all, but
can execute it. An axcpetion is the A723 RTU that accepts this
commands also over the serial line.
EXAMPLE For RDP:
6789 PORT 0
6789 PORT 0 1 0
#
For RDDR:
6789 PORT 16
6789 PORT 16 0 0
#
For ENOPC:
6789 PORT 112
6789 PORT 112 0
#
For RPNNER:
6789 PORT 128
6789 PORT 128 0 1 0
#
a. See also “Notifications” on page 53.