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Table 5: Cable length options for three cascaded light screens
Recommended cable pairing per side of cascaded system
Machine Interface Cable (L1)
QDE-..D
1 ft 3 ft 15 ft 25 ft
L2 (ft) L3 (ft) L2 (ft) L3 (ft) L2 (ft) L3 (ft) L2 (ft) L3 (ft)
Max. L2 (ft) 115 1 110 1 80 1 60 1
Max. L3 (ft) 1 200 1 200 1 155 1 110
Sensor
Interconne
ct Cable
Lengths
(L2, L3)
Individual
DEE2R-..D
cables
14
100 15 100 15
75 75 75 50 75 15
50 100 50 100 50 50 50 15
25 100 25 100 25 100 25 50
15 100 15 100 15 100 15 75
3 100 3 100 3 100 3 100
1 100 1 100 1 100 1 100
Example 1:
Machine Interface Cable (L1): 3 ft
Sensor Interconnect Cable (L2): 75 ft
Sensor Interconnect Cable (L3): 50 ft
Example 2:
Machine Interface Cable (L1): 15 ft
Sensor Interconnect Cable (L2): 75 ft
Sensor Interconnect Cable (L3): 15 ft
Emitters
Machine
Control
Receivers
L2
L1
EZ-SCREEN
Position #2
L3
EZ-SCREEN
Position #3
EZ-SCREEN
Position #3
Because of the number of possible combinations, the following table includes only applications in which L2 = L4. A
common installation example is one that protects two areas of a machine (for example, the front and back of a power press)
and uses four EZ-SCREEN pairs to create two “L”-shaped sensing
fields.
Table 6: Cable length options for four cascaded light screens
Recommended cable pairing per side of cascaded system
Machine Interface
Cable (L1) QDE-..D
1 ft 3 ft 15 ft 25 ft
L2 L3 L4 L2 L3 L4 L2 L3 L4 L2 L3 L4
Max. L3 1 ft 110 ft 1 ft 1 ft 105 ft 1 ft 1 ft 75 ft 1 ft 1 ft 45 ft 1 ft
Sensor
Intercon
nect
Cables
(L2, L3
and L4
Individua
l
DEE2R-.
.D
cables
15
50 15 50 50 15 50
25 50 25 25 50 25 25 25 25
15 75 15 15 75 15 15 25 15 15 15 15
3 100 3 3 100 3 3 50 3 3 25 3
1 100 1 1 100 1 1 75 1 1 25 1
14
Multiple DEE2R-..D cables may be required.
15
Multiple DEE2R-..D cables may be required
EZ-SCREEN
®
14/30 mm Safety Light Screen
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