6
5277A
Line 3
Main line
Four alphanumeric positions for variable displays.
VALUE
The displayed number represents a value.
CODE
(see line 2)
HIGH
The displayed number is the higher-order word of a 32-bit
value.
LOW
The displayed number is the lower-order word of a 32-bit
value.
%
The displayed number is a percentage.
HEX
The displayed value in the third main line is a hex number. If
the hex segment is not activated, the value is represented as
a decimal number.
Status line
The bottom frame of the display is the status line which com-
prises the following four elements:
RUN
If the controller board is in the READY or BOOT state, the el-
ement is switched off. In the ACTIVE state, it is flashing, in the
RUN state, it is permanently on.
FAIL
Goes on in the case of controller, user or bus errors.
BSA
(Bus Segment Aborted) Goes on when a bus segment is dis-
connected and disappears when all segments are connected
again.
PF
(Peripheral Fault) Goes on when an INTERBUS device indi-
cates a fault in the peripherals.
4
3
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