34
Baumer Ident
OIS-P, PC3141/03 Manual
Installation and trouble-shooting tools
7.3 PC program for
communication test
The PC3100 product range includes a menu driven
PC program for the EUROX_4 protocol PC 3100/
90A, (CMD3120) which allows communication with
the OIS-P system from an IBM compatible PC/XT/
AT personal computer, operating on DOS and having
at least one serial port, configurable as “COM1” or
“COM2”.
The program features three modes:
High level
:
Commands can be issued in a very
simple way, such as “read file”, “write to file” etc.
Basic system functionality is easily executed, to
get acquainted with the system or for basic
installation testing.
Low level
:
Commands are entered in low-level
language, exactly as they are described in the
Programmer’s Manual. The entire command list
can be executed, offering, for instance the
programmer, a hands-on possibility to get
acquanted with the full range of user commands
and command parameters.
Verifier level
: Allows verification of execution
reliability for user-definable communication tasks.
The user can enter a sequence of low-level
commands including possible time-delays, to
resemble a typical communication task and
situation. The entered sequence is executed
repeatedly, when Object detect is indicated “active”
to the central unit. Communication reliability
statistics and measured execution
time (maximum, average and minimum) is
continously stored and displayed.
7.4 Built-in communication
reliability statistics
The PC3141/03 central units have a built-in
statistics function, which keeps a count on the
system’s communication reliability. The statistics
count is initiated as soon as power is connected to
the system and a command is received.
These communication statistics are available by
connecting a VT100 (19200 baud, 7 bits, even
parity, one stopbit) compatible terminal to the
Terminal ports RS232 interface. The accumulated
status of four different communication parameters
is displayed simultaneously:
E
Successful microwave commands
E
Unsuccessful microwave commands
E
Successful microwave operations
E
E
E
E
E
Unsuccessful microwave operations
Definitions
:
Microwave commands
are user
commands that request communication with an
Data Tag.
The execution of every microwave command
requires a number of
microwave operations
.
E
E
E
E
E
Every
unsuccessful microwave command
verifies that a user request for any reason was
not executed, i.e. a reading or a writing task was
not performed. An investigation of the Data Tag
and/or Communicator in question should be
undertaken.
E
E
E
E
E
An
unsuccessful microwave operation
does
not verify that any communication between user
system and Data Tag has failed. It only states
that a greater number of microwave operations
that the theoretical minimum was needed to
execute the requested communication task. The
installation should however be made and
verified in such a way that the number of
unsuccessful microwave operations are as
insignificant as possible compared to the
successful ones. This way, a highly reliable
communication point is ensured.
The stored
statistics will be erased
as power to
the central unit is shut off. A new statistics count
will automatically start when the power is switched
on again.
All counters are limited to 65 535 (then restart from
0).
Summary of Contents for OIS-P PC 3100 series
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