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SICK V200 User Manual

SICK V200
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Operating Instructions Chapter 4
V200/V300
8012227/YT87/2016-03-29 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 23
Subject to change without notice
Mounting
4.2.2 Minimum distance if OSHA and ANSI are applicable
1)
If OSHA and ANSI are applicable, the minimum distance depends on the following factors:
stopping/run-down time of the machine or system
(The stopping/run-down time is shown in the machine documentation or must be
determined by taking a measurement.)
response time of the entire protective device (V200/V300: 20 ms)
reach or approach speed
other parameters that are stipulated by the standard depending on the application
How to calculate the minimum distance D
s
if OSHA and ANSI are applicable
1)
:
The following calculation shows an example calculation of the minimum distance.
Depending on the application and the ambient conditions, a different calculation may be
necessary.
Calculate D
s
using the following formula:
D
s
= H
s
× (T
s
+ T
c
+ T
r
+ T
bm
) + D
pf
Where
D
s
= The minimum distance in inches (or millimetres) from the hazardous point to the
protective device
H
s
= A parameter in inches/second or millimetres/second, derived from data on
approach speeds of the body or parts of the body. Often 63 inches/second
(1600 mm/second) is used for H
s
.
T
s
= Stopping/run down time of the machine tool measured at the final control
element
T
c
= Stopping/run-down time of the control system
T
r
= Response time of the entire protective device after light path interruption
(V200/V300: 20 ms)
T
bm
= Additional response time allowed for brake monitor to compensate for wear
Any additional response times must be accounted for in this calculation.
D
pf
= An additional distance added to the overall minimum distance required. This
value is based on intrusion toward the hazardous point prior to actuation of the
electro-sensitive protective equipment (ESPE). Values range from 0.25 inches to
48 inches (6 to 1220 millimetres) or more depending on application.
Example:
For vertical protection with an opto-electronic protective device with an effective
resolution finer than 2.5 inches (64 millimetres), D
pf
can be determined
approximately using the following formula:
D
pf
(inches) = 3.4 × (effective resolution – 0.276), but not less than 0.
1)
Minimum distance according to ANSI B11.19:2003-0-4, Annex D and Code of Federal Regulations, Volume
29, Part 1910.217 … (h) (9) (v).
Note
Note

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SICK V200 Specifications

General IconGeneral
BrandSICK
ModelV200
CategoryDigital Camera
LanguageEnglish

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