Model 574 Programmable Counting System (PCS)
270 - GSE Scale Systems
value preceding a key (such
as <ZERO>) which is not
allowed, entering alpha data
for a numeric selection, or
entering a fractional value for
an entry which only accepts
whole numbers. This may
occur while in the Setup
Mode or one of the
operational modes.
29.8 Counting Error Messages
- - Too Small This message indicates that
the sample placed on the
platform is too small to
accurately compute the piece
weight.
- - Can't Count This message will appear
when there is an insufficient
quantity on the platform to
perform an accurate count.
29.9 Communications Error Messages
par'y error This indicates that the parity
of a received character did
not match the parity specified
in the Setup Mode, parameter
P202. This could also result
if the baud rate (P200) or the
number of data bits (P201)
are incorrect.
ovrun error This indicates an over-run
error where an additional
character was received while
the receive buffer of the
574 was full, and thus the
extra received character will
be lost.
frm'g error This indicates that the stop
bit of a received character did
not occur when it was
expected. This could be the
result of an incorrect baud
rate (P200), incorrect number
of data bits (P201), or
incorrect parity setting
(P202).
port error This indicates that the
574 did not check its
receive data register in time,
thus missing a character. If
this error should occur,
please notify your GSE dealer
or the factory. To prevent the
problem, try reducing the
baud rate (P200).
tx on hold This will occur if a data
transmission is held up for
two seconds of more due to a
de-asserted handshake. Refer
to the description of
parameter P209 for more
information.
tx abort This occurs if the <CLR> key
is pressed when the tx on
hold error message is shown
or if P209 is set for abort and
the transmit buffer becomes
full.
tx con'd This will appear briefly when
the handshake is re-asserted
after the tx on hold message
occurs.
Macro error This occurs if a macro is
aborted for some reason or if
an event occurs which would
invoke another Macro while
the number of macros
awaiting execution already
equals 16.
29.10 Service
There are no user-serviceable items in the GSE Model
574! Service must be performed by qualified service
technicians only! Attempts to service this instrument by
unqualified personnel may void the warranty!
29.11 Swapping the A/D Converter
If a 574 develops a problem that appears to be related to
the A/D converter, it may become desirable to swap an
A/D from a working unit to the unit with the problem.
If this is done and the problem seems to be cured, then
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