Rev. 1.0
WALTHER Temperature Controller Bundle WTRB-x-x
Page 32 of 42
Walther Systemtechnik GmbH
– D 76726 Germersheim
Telefon: +49 (0)7274-7022-0 Telefax: +49 (0)7274-7022-91
http://www.walther-2000.de
The below figures show you the functions of the limit value (AL, AL2) for the different alarm functions AF1 to
AF8. The switch differential (HySt) will always be symmetrical to the limit value.
Limit value in relation to the desired value w
AF1 symmetrical
AF2 symmetrical
AF1 unbalanced
AF2 unbalanced
AF3
AF4
AF5
AF6
1
0
W
X
AL
HySt
AL
1
0
W
X
AL
HySt
AL
1
0
W
X
AL2
HySt
AL
1
0
W
X
AL2
HySt
AL
1
0
W
X
HySt
AL
1
0
W
X
HySt
AL
1
0
W
X
AL
HySt
1
0
W
X
AL
HySt