West Control Solutions TB 40-1 Temperature Limiter - Manual (Page 12)

3.6.2 Alarm handling additional alarms
Max. two alarms can be configured and assigned to the individual outputs. Gene-
rally, outputs
OuT.1and OuT.2 can be used each for alarm signalling. Each of
the 2 limit values Lim.2 and Lim.3 has 2 trigger points H.2/ H.3 (Max) and
L.2 / L.3 (Min), which can be switched off individually (parameter = “OFF”).
Switching difference
HYS.2/ HYS.3 of each limit value is adjustable.
1: normally closed ( ConF/ Out.x / O.Act=1 )
2: normally open ( ConF/ Out.x / O.Act= 0 )
+
The pre-alarms (OUT1/2) must be used only for signalling and not for
control purposes!
Operation
Alarm handling 12 TB40-1
L.2
LED LED
HYS.2 HYS.2
H.2
InL.1 InH.1
SEtP
2 2 1
H.2
LED
HYS.2
InL.1 InH.1
2 1
Ü Operaing principle Src.x = 0
L.1 = OFF
LED
HYS.2
H.2
InL.1 InH.1
SEtP
2 1
* Operaing principle Src.x = 1
L.1 = OFF
L.2
LED
HYS.2
InL.1 InH.1
2 1
H.1 = OFF
L.2
LED
HYS21
InL.1 InH.1
SEtP
2 1
H.1 = OFF
L.2
LED LED
HYS.2 HYS.2
H.2
InL.1 InH.1
2 2 1