4
3 Function
• The unit displays the current system temperature�
• It features an IO-Link interface and is designed for full bidirectional communi-
cation�
• The unit generates 2 output signals according to the parameter setting:
- OUT1/IO-Link: Switching signal, limit values for temperature
- OUT2: Switching signal, limit values for temperature
3.1 Switching function
OUTx changes its switching status if it is above or below the set switching limits�
Hysteresis or window function can be selected�
Hysteresis function Window function
SPx
rPx
FHx
FLx
T = Temperature
SPx = set point (SP1 / SP2)
rPx = reset point (rP1 / rP2)
HY = hysteresis
Hno = Hysteresis NO (normally open)
Hnc = Hysteresis NC (normally closed)
T = Temperature
FHx = upper limit value (FH1 / FH2)
FLx = lower limit value (FL1 / FL2)
FE = window
Fno = Window NO (normally open)
Fnc = Window NC (normally closed)
When the hysteresis function is set, the set point (SPx) is defined first and
then the reset point (rPx) which must be of a lower value� If only the set
point is changed, the reset point remains constant�
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