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Display and Operation
The OPA-S terminal is designed with a modular casing structure. The user has the choice of a variety of designs
and materials. See separate brochure for details regarding different styles, colors and materials of operation
terminals.
The operation terminal uses an LCD display and four operation buttons.
5
1
6. Buttons for operating the controller:
LEFT key:
UP key:
DOWN key:
RIGHT key:
Operation of the Terminal Unit
Idle display
Used for combination transmitters (Temperature and Humidity, Temperature and Pressure). This display mode
is active if no key has been pressed during the previous 30 seconds. The current temperature is displayed in
the large digits and the humidity or pressure is displayed in the small digits.
Pressing the RIGHT key will step through available sensor inputs, indicating the current, minimum or maximum
value in the large digits and input number in the small digits and the output signal in the vertical bar.
Indication and reset of minimum and maximum values
Activate the desired transmitter for dual transmitter by pressing the RIGHT key. Press UP to display Maximum
values, press DOWN key to display minimum values.
Resetting minimum or maximum values: Pressing either UP or DOWN keys for longer than 3 seconds while the
minimum or maximum values are displayed.
Error messages
The OPA-S may display the following error condition:
Err1:
Communication time out between terminal unit and transmitter. Terminal unit will reset after 10
seconds.
Err2:
Temperature sensor faulty. The connection to the temperature sensor may be interrupted or the
temperature sensor is damaged. As a consequence the output of this transmitter are switched off.
Doc: 70-07-0171, V1.3: 20100421
Subject to alteration
Operation mode (On, Off) Not used
Display Maximum values, pressing for more than 2 seconds resets Maximum value
Display Minimum values, pressing for more than 2 seconds resets Minimum value
Select transmitter, For transmitters with more than one input.
Vector Controls GmbH, Switzerland
Legend:
1. 4-digit display of current value, Minimum,
2
Maximum or control parameter
2. Unit of displayed value, °C, °F, % or none
3
3. Graphical display of output or input signal
4
with a resolution of 10%
4. 4-digit display of current value or control
parameter
5. Left bar = display of minimum value
Right bar = display of maximum value
6
Remote display OPA-S
Page 3
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