Hydraulics Bosch Rexroth AGRE 50224/05.10 ABZMT 9/10
Function
Function display and control unit
The microprocessor-controlled display and control unit pro-
cesses the analog input signals for the analysis of the tem-
perature control. The temperature settings can be made at
the control unit in a simple menu tree by means of pushbut-
tons and read at the LED display.
The display and control unit has a red, four-digit seven-seg-
ment LED display and 3 pushbuttons for the operation as well
as up to 4 LEDs integrated in the front plate for displaying
alarm conditions.
The device has moreover two (T2) or four (T4) freely adjust-
able PNP switching outputs plus the adjustable switch-back
points. One PNP output can be programmed as frequency
output. Alternatively one freely programmable PNP switching
output and one 4 - 20 mA output for the continuous tempera-
ture measurement. The switching conditions are shown in the
display that can be rotated by 270° (version D0).
The 4...20 mA output can optionally be changed to 0 - 10 V,
2 - 10 V or 0 - 5 V.
In the display, the desired unit (°C, °F) will be shown accord-
ing to the setting of the measured temperature. By default,
the temperature display is set to °C.
During the setting and/or programming of the corresponding
process parameters, the parameter values and/or the related
menu items will be shown in the display.
In case of an energy supply failure, all input values will be
stored, the min/max values can be retrieved from a perma-
nent memory, if necessary.
Parameterization
The menu navigation is based on the VDMA standard sheet
for fluid sensors 24574-1.
The operating menu is designed hierarchically, as tree struc-
ture.
That means that frequently used functions and adjustment
points can be accessed very quickly and rarely used menu
items can be found in a sub-menu.
Using the ▲ and ▼ keys, the corresponding parameter is set
and/or the next menu item is displayed.
Using the ► key, the marked menu item is selected and/or
the set parameter is accepted and saved.
The parameter may be a numerical value and a selec-
tion of functions (e.g. NO [output as normally open contact],
NC [output as normally closed contact] or
i1 [analog output
4-20 mA]).
After confirmation of a parameter or selection of a function us-
ing the ► key, the display switches back to the current menu
item. Then, you can display the next menu item using ▲ and
▼ and select it using the ► key.
Spare parts
When ordering spare parts for the electronic contact thermometer, the complete type designation has to be specified.
Seal Mat. no
1 profile seal G ½ NBR
R900012472
2 profile seal G ½ FKM R900012507
(28 pages)
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