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Device manual 6490B / 6490B-y / 6590B
W. Bälz & Sohn GmbH & Co. Koepffstraße 5 D-74076 Heilbronn Telefon (07131) 1500-0 Telefax (07131) 1500-21
2. Operating and setting
Operating level:
6490B
Actuator opens
Actuator closes
At the 6590B
symbols and
displays have the
same meaning.
Alarm
Process variable or manipulated
variable Y or modbus commu-
nication display
other phys. units available as
labels
Setpoint display with actual status
display for:
StOP = STOP DI active
CLOS = CLOSE DI active
OPEn = OPEN DI active
tunE = optimisation running
rAMP = Setpoint ramp running
SP_2 = Second setpoint active
If one of these functions is
active, the SP-display is
alternating between the status
display with the highest priority
and the setpoint. StOP has got
the highest priority and SP_2 the
lowest priority.
Operating level
6490B-y:
The 6490B-y is
equipped with an
additional bargraph
display on the right
hand side of the front-
plate, showing the
current manipulated
variable Y.
The bargraph can be
turned off by the
configuration point
Y.SY (see 3.28 Y.SY).
The bargraph displays the
manipulated variable Y in 10%
steps:
0% all bargraph LEDs off
>0% lowest LED on
≥10% following LED on
...
≥90% all LEDs on
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