F39-TGR-CVL-B-2-R datasheet(44/98 Pages) OMRON

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Safety distance for safeguarding danger points

Section 9-1

9-1-1

Calculation example for systems with a resolution of <40 mm

Formula according to EN999:

S = (K x T) + C

Where S =

minimum distance in millimeters from the danger zone to the

detection point, line, plane or zone. If the result of the calcula-

tion is less than 100 mm, a distance of at least 100 mm must

still be maintained.

K =

Approach speed in mm/s. In the close area of 500 mm, the

speed is calculated at 2000 mm/s. If the distance is greater

than 500 mm, K can be calculated as 1600 mm/s. In this

case, however, a minimum of 500 mm applies for the safety

distance.

T =

the overall system stopping performance in seconds

T = t1 + t2 + t3

t1 =

response time of the safety light curtain in seconds,

given in the table in chapter 16.

t2 =

response time of the safety interface tsi, if any.

t3 =

maximum stopping time of the machine tm in

seconds.

Please refer to the technical information of the safety

Interface and the machine for the response time and stopping

time details.

C =

8 x (d-14 mm), but not less than zero.

d =

minimum object resolution of the MS4800 system in

millimeters, therefore:

S =

(2000 mm/s x T) + 8 x (d-14 mm)

This formula applies for all minimum distances of S up to and

including 500 mm. The minimum value of S shall not be less

than 100 mm.

If S is found to be greater than 500 mm using the formula

above, then the formula below can be used. In this case the

minimum value of S shall not be less than 500 mm.

S =

(1600 mm/s x T) + 8 x (d-14 mm)

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