CTI 2572-B / 2500C-2572-B Installation and Operation Manual 72
DUPLICATE CONNECTION NUMBER
An attempt was made to create multiple
sockets with the same connection number.
or
You attempted to Start the 2572-B Network
Server and it was already started.
or
You attempted to Start the 2572-B Network
Server after a previous startup error had
been returned.
Ensure that all Create Socket
commands for serial ports use
different connection numbers.
Make sure you are not triggering the
Start Network Services Command
more than once or that you have not
already started the network server
using the dipswitch A
UTOSTART
setting.
If an error occurs when starting the
network server, you must correct it
DUPLICATE CONNECTION NUMBER
An attempt was made to start two protocol
managers with the same connection number.
Check the Command Blocks for the
respective Create Connection
commands.
Ensure that the Create Connection
commands use different connection
INVALID PROTOCOL MGR NUMBER
An invalid protocol manager number was
specified in the Command Block.
Review the documentation and
correct the command block.
An attempt was made to start a protocol
manager with an invalid physical port
number for serial ports.
This can also occur when you specify an
invalid serial port number for the Serial
This error will occur if you enter an
invalid physical port number in the
command block. Valid physical port
number for the 2572-B serial port is
1.
Correct the command block and retry
You attempted to execute a CREATE SOCKET
command before the 2572-B network
services have been started.
If you are using the PLC Start option,
the Start Network Services command
was not executed successfully.
Check for the proper execution of
this command including the
command block and PLC logic for this
command.
If you are using the AutoStart option,
ensure that the network parameters
are properly stored in FLASH.
FLASH HARDWARE WRITE ERROR
The 2572-B was unable to write data to
Retry. If the problem persists,
replace the module.
FLASH HARDWARE READ ERROR
The 2572-B was unable to read data from
Retry. If the problem persists,
replace the module.