. . . . .
OMRON SCIENTIFIC TECHNOLOGIES INC.
Fremont CA USA
Tel: 1/888/510-4357 in USA and Canada
© OSTI 1209 PN99584-0050 Rev. E
Original Instructions
53
Table 14-2 Response Time for 14 mm and 20 mm MC4700 and MS4700
Response Times for 14 mm and 20 mm systems
Protected Height Designator
No. of Beams
Response Times – mS
Solid State
Mechanical Relay
N.O
N.C.
150
14
7.3
17.3
27.3
225
21
8.1
18.1
28.1
300
28
8.8
18.8
28.8
375
35
9.5
19.5
29.5
450
42
10.2
20.2
30.2
525
49
11.0
21.0
31.0
600
56
11.7
21.7
31.7
675
63
12.4
22.4
32.4
750
70
13.1
23.1
33.1
825
77
13.9
23.9
33.9
900
84
14.6
24.6
34.6
975
91
15.3
25.3
35.3
1050
98
16.0
26.0
36.0
1125
105
16.8
26.8
36.8
1200
112
17.5
27.5
37.5
1275
119
18.2
28.2
38.2
1350
126
19.0
29.0
39.0
1425
133
19.7
29.7
39.7
1500
140
20.4
30.4
40.4
1575
147
21.1
31.1
41.1
1650
154
21.9
31.9
41.9
1725
161
22.6
32.6
42.6
1800
168
23.3
33.3
43.3
Formula is: Response Time (ms) = 5.881 + (Nbeams x 0.103763)
Same extensions for relay controllers applies.
Table 14-3 Response Times for 30 mm MC4700 and MS4700 systems
Response Times for 30 mm systems
Protected Height Designator
No. of Beams
Response Times – mS
Solid State
Mechanical Relay
N.O
N.C.
150
7
6.6
16.6
26.6
300
14
7.3
17.3
27.3
450
21
8.1
18.1
28.1
600
28
8.8
18.8
28.8
750
35
9.5
19.5
29.5
900
42
10.2
20.2
30.2
1050
49
11.0
21.0
31.0
1200
56
11.7
21.7
31.7
1350
63
12.4
22.4
32.4
1500
70
13.1
23.1
33.1
1650
77
13.9
23.9
33.9
1800
84
14.6
24.6
34.6
Note: Add 8 ms to the “Solid State’ response time when using RM-1; Use the response time in Mechanical Relay
table when using the RM-X .