Datasensor BWS-T2 Series - PROTECTION OF FINGERS AND HANDS

BWS-T2 Series Instructions manual
11
H
S
BWS Danger zone
H
H1
n-1
n
Figure 5
S = V * T+C C=8(d-14mm)
S: Minimum distance - safety distance
V: Approaching speed
T: Delay time of the complete system
C: Supposed length of a part of a body with ∅ < resolution of fotocell
array, that exceeds the protecting area without a guaranteed
detection.
d: Detection capabillity (see table characteristics of photocells) -
Fingerresolution: ∅ ≤ 14mm; handresolution: ∅≤40mm;
armresolution: ∅≤70mm.
H: Vertical position of the protecting area above the floor
2.4.1. Protection of danger zones with BWS-T2 for protection of fingers
and hands
Condition: 14mm<d40mm; C0
For 100mm<S500mm is valid:
S=2000*T+C
For S500mm is valid:
S=1600*T+C
Must not be applied if also children have to be protected!