HBM AE501 - Page 25

26
Clip
HBM A0114-6.3 en
• Switching direction
There are two possible switching directions.
1. S23/24 and S27/28 in upper position
The make contact (terminal 2 or 7) closes upon exceeding of reference volt-
age V
Ref
and opens upon falling below reference voltage V
Ref
minus the hys-
teresis voltage V
Hys
.
Contact
open
Contact
closed
V
Ref
V
Hys
V
I
Contact
open
t
Fig. 4.5: GR201 Switching behavior, S23/24 and S27/28 in upper position
2. S23/24 or S27/28 in lower position
The make contact (terminal 2 or 7) closes upon falling below reference volt-
age V
Ref
and opens upon exceeding of reference voltage V
Ref
plus the hys-
teresis voltage V
Hys
.
V
Ref
V
Hys
V
I
Contact
open
Contact
closed
Contact
open
t
Fig. 4.6: GR201 Switching behavior, S23/24 and S27/28 in lower position