2 alarm handling additional alarms 12, Additional alarms 12, Operation – West Control Solutions TB 40-1 Temperature Limiter User Manual
Page 12: Ü operaing principle src.x = 0 l.1 = off, Operaing principle src.x = 1 l.1 = off, H.1 = off
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