Rockwell Automation Allen-Bradley 140M, Руководство пользователя

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Rockwell Automation Publication 450L-UM001F-EN-P - March 2022 165
Appendix
A
Specifications
This appendix provides the specifications for 450L-B and 450L-E safety light
curtains.
Safety Ratings
Operating Characteristics
Table 72 - Safety Ratings
Attribute Value
Standards
IEC 61508, EN/ISO 13849-1, IEC 62061, UL 508 (see rok.auto/certifications for the latest
Declaration of Conformity)
Safety classification
Type 4 according to IEC 61496-1/-2
Up to PLe (Category 4) per ISO 13849-1,
SIL 3 per IEC 61508
SIL CL 3 per IEC 62061
Laser alignment of 450L-E safety light curtain: Laser class 2 according to IEC 60285-1.
Functional safety data
450L-B; Pair (including any connection plug-in)
• PFHD: 12.7 10
-9
• Mission time/PTI: 20 years
• Mode of operation: High demand mode
• 450L-E: Pair (including any connection plug-in)
• Pair: PFHD: 12.7 10
-9
• Cascading plug-in PFHD: 0.96 10
-9
• Mission time/PTI: 20 years
• Mode of operation: High demand mode
450L PAC; Pair (including any connection plug-in)
• 1-beam pair: 2.44 10
-9
• 2-beam pair: 3.87 10
-9
• 3-beam pair: 4.81 10
-9
• 4-beam pair: 5.27 10
-9
• Cascading plug-in PFHD: 0.96 10
-9
• Mission time/PTI: 20 years
• Mode of operation: High demand mode
Table 73 - Operating Characteristics
Attribute Value
Switch function OSSDs enable (on, high, 24V DC) when protective field not interrupted
Protective field length 150…1950 mm (5.91…76.77 in.) in 150 mm (5.91 in.) increments
Resolution Finger: 14 mm (0.56 in.); Hand: 30 mm (1.19 in.) or PAC (Perimeter)
Number of active lenses (see Figure 11
on page 23 )
Finger: 16 per 150 mm (5.91 in.) increment;
Hand: 8 per 150 mm (5.91 in.) increment
Operating range
450L-B:
• Resolution 14 mm (0.56 in.): 0.5…4 m (1.64…13.12 ft)
• Resolution 30 mm (1.19 in.): 0.9…7.0 m (2.95…22.97 ft)
• Reduced operating range (selected with DIP switch):
– Resolution 14 mm (0.56 in.): 0.9…2 m (2.95…6.56 ft)
– Resolution 30 mm (1.19 in.): 1.2…3.5 m (3.94…11.48 ft)
450L-E and 450L PAC
(1)
• Resolution 14 mm (0.56 in.): 0.5…9 m (1.64…29.53 ft)
• Resolution 30 mm (1.19 in.): 0.9…16.2 m (2.95…53.15 ft)
• Reduced operating range (selected with DIP switch):
– Resolution 14 mm (0.56 in.): 0.9…4.5 m (2.95…14.76 ft)
– Resolution 30 mm (1.19 in.): 1.2…8.0 m (3.94…26.25 ft)