Bühler technologies TC-Standard Kurzanleitung Seite 13

TC-Standard (+)
Description of signal outputs
Function / Description
contact type
Re- internal the following
gard- changeover device
ing S2) contact: statuses can
max. be indicated
250 V AC / via two
150 V DC, 2 A, switching
50 VA outputs:
Re- 4-20 mA Signalling of
gard- analogue actual tem-
ing S3) output perature
(R <500 Ω) (please use
Load
shielded
cables)
5 Operation and control
NOTICE
The device must not be operated beyond its specifications.
After switching on the cooler the block temperature will be
displayed. The display will flash until the block temperature
has reached the preset target value (± adjustable alarm
range). The status contact is in the Alarm position.
Once the target temperature range has been reached, the
temperature will continuously be displayed and the status
contact switches over.
If the display flashes during operation or an error message ap-
pears, please refer to bullet "Troubleshooting".
Please refer to the data sheet for performance data and max-
imum ratings.
BX440017 ◦ 08/2019
Contact between 3 and 2
closed (alarm)
• No mains voltage
and/or actual tem-
perature outside the
alarm thresholds
Contact between 3 and 1
closed (ok)
• Mains voltage at-
tached + actual tem-
perature within the
alarm thresholds
With moisture detector
option
Contact between 3 and 2
closed (alarm)
• The moisture de-
tector registers resid-
ual humidity in the
sample gas or cable
break: Error message
Contact between 1 and 3
closed (ok)
• no residual moisture
in measuring gas /
no cable break
With temperature signal
option
T = -20 °C ≙ (-4 °F) ->
Cooler
4 mA/ 2 V
T = 5 °C ≙ (41 °F) ->
Cooler
9 mA/ 4,5 V
T = 60 °C ≙ (140 °F) ->
Cooler
20 mA/ 10 V
5.1 Use of menu functions
Brief description of the operating principle:
The unit is operated using 5 keys. Their functions are:
Button Section
Display • Switches from the measurement dis-
play to the main menu
or
Menu • Selects the menu item displayed
OK
Enter • Applies an edited value or a selection
Display • temporarily switches to the alternative
measurement display (if option in-
stalled)
Menu • Back
Enter • Increase value or browse selection
• Note:
▪ Press button 1 x = changes para-
meter / value by one;
▪ Hold button = fast mode (numerical
values only)
▪ Display flashes: modified para-
meter/value
▪ Steady display: original display/
value
Display • temporarily switches to the alternative
measurement display (if option in-
stalled)
Menu • Next
Enter • Reduce value or browse selection
Menu • Move one level up
ESC
Enter • Return to menu
Changes will not be saved!
• Sets a menu to favourite.
F
(Note: The favourite menu will also be
or
activated with the menu locked!)
Func
5.1.1 Lock Menu
Some menus can be locked to prevent inadvertently changing
the settings of the unit. This requires setting a code. For in-
formation on setting up or disabling the menu lock please
refer to "Global Settings" (toP) under menu item toP > Loc.
The menu lock is not enabled at the time of delivery, all menu
items can be accessed.
With the menu locked, only the following menu items will be
visible without entering the correct code:
Menu item Explanation
toP > unit Temperature unit selection (°C or °F).
F or Func. Accessing the Favourites menu
NOTICE! This menu may be one that is nor-
mally locked.
Functions
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