Toshiba LF434 - Manual (Page 130)

TOSHIBA
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10*9 Converter Failure Alarm
When oiio or niorc oi’ Ihe following converter errort^ occur in a sdf-cliagnoslics sequence, an
alarm signal can beoulput/I’o use Ihis function, set DOl or D02 to use as an alarm output
signal. See Chapter 12/^Se I f-Di agues lies and Warning Functions'’ for details of each alarm
status.
Self-diagnostics errors
Self-diagnostics error
(LCD display)
Error contents
=^‘ROM ERROR* ROM error
*RAM ERROR* RAM error
PARAMETER FAIL System parameter error
EX* CURE* OPEN Ricitaiion circuit open
EX* CIJKK ERROR Excitation current error
ADC* ERROR ADC error
INVALID TOTAL Invalid totalizer counts
I Output condition.s
Active status of Alarm output can he selected as follows,
^ Normal Open; iransisior / relay contact is closed when an error occurs.
■ Normal Close; transislor/relay contact is open when an error occurs.
Note: Alarm output contacts are open while ihe converter is powered off.
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