Pressure Systems, Inc. Model 9116 User’s Manual
Page 27
www.PressureSystems.com
3.1.4.5
Network Query and Control Functions
A special subset of three (3) UDP/IP commands may be sent to a module at any time power is
applied to it (i.e., neither a host socket connection nor a unique IP Address assignment is
required). Each such command is
broadcast
to all modules (i.e., sent to IP Address
255.255.255.255) via Port 7000, and any module wishing to respond will return a UDP/IP
broadcast response via Port 7001.
Only one of these commands returns a response. This is the
Network Query
(“psi9000”)
command. The others cause the module to be re-booted, therefore no response is possible.
One command changes the way the module gets its IP address assignment (i.e., dynamically
from a server or statically from factory-set internal data).
3.1.4.6
Other Functions
Some commands may be used at any time to obtain information about the internal setup and
status of a module. The
Read Module Status
(
‘q’
) command is an example. Also, the
Set/Do
Operating Options
(
‘w’
) command, though generally used after power-up reset, may also be
used at other times to change system operation. The actual
feedback position status
of internal
valves
, and several
temperature status
conditions may be configured to be periodically
delivered to the host automatically in any of the three
autonomous streams
configured by the
‘c’
command.
