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Thermotronik TT-77
Factory setting
Status function
LED 3 inverted
State
Status
A
LED3 ON
LED3 OFF
Temperature rises to > 70 °C
PNP switching output 3 closed
OK
B
LED4 and LED3 ON
only LED4 ON
Temperature rises to > 80 °C
PNP switching output 4 closed
Error
C
LED3 ON
LED 3 OFF
Temperature falls to < 75 °C
PNP switching output 4 open
OK
D
LED3 OFF
LED3 ON
Temperature falls to < 65 °C
PNP switching output 3 open
Error
Here you can reverse the LED status function for a contact: the LED lights up if the contact is open, so below the minimum tem-
perature, and the LED lighting up again indicates an “Error” status.
Measured variable
____
out_
Measured variable main menu
Out X
EF_
EF X
Advanced Functions
LEd_
LED Out X
Function status LEDX
L=__
Selection menu
L= o - L=_o
Settings menu OUTX
The options are:
LED = output;
the LED lights up when the PNP switching output
is closed.
LED = -output;
the LED lights up when the PNP switching output
is open.
NOTICE
The display function of the status LED affects event logging! Please note chapter “Dia-
gnostic options”.
5.8 Analogue outputs
5.8.1 Analogue output x: Assigning the upper limit
Used to configure at which temperature to output the maximum analogue signal. This is configured in menu:
Measured variable
____
An_
Measured variable main menu
Analog OutX
A I.Hi
Analog MaxX
Maximum value assignment
____
Selection menu
[ o.Lo - o.Hi ]
Settings menu Analog X
Setting range:
0 °C to 100 °C
(32 °F to 212 °F)
Note:
– The output range setting must not be less than 10 % of the measuring range:
A I.Hi
–
A I.Lo
>=
10%
– If the range is set too low, the analogue value output may have grades.
20
Bühler Technologies GmbH
BE140013 ◦ 07/2019
Содержание Thermotronik TT-77
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