Walther WTRB-24DC-3500 Operating Manual page 32

Rev. 1.0
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
1
AL
HySt
0
AF1 unbalanced
1
AL
HySt
0
AF3
1
AL
HySt
0
AF5
1
0
W
WALTHER Temperature Controller Bundle WTRB-x-x
AL
W
AL2
W
W
AL
HySt
X
AF2 symmetrical
1
AL
HySt
0
X
AF2 unbalanced
1
AL
HySt
0
X
AF4
1
AL
HySt
0
X
AF6
1
0
W
Walther Systemtechnik GmbH – D 76726 Germersheim
Telefon: +49 (0)7274-7022-0 Telefax: +49 (0)7274-7022-91
http://www.walther-2000.de – info@walther-2000.de
Page 32 of 42
AL
W
AL2
W
W
AL
HySt
X
X
X
X