Visual kv series, Caution, Chapter 1 configuration and specifications – KEYENCE Visual KV Series User Manual
Page 53

Chapter 1 Configuration and Specifications
1-29
1
1
Visual KV
Series
1.6.4
Relationship between Continuous Simultaneous ON
Ratio and Ambient Temperature
If the number of I/O points which turn ON at the same time exceeds the speci-
fications range, the unit may be damaged.
The graphs below show the relationship between the ambient temperature and the
continuous simultaneous ON ratio.
Load current L:
CAUTION
Derating when KV-24AR is mounted upward
110
100
90
80
70
60
50
40
30
20
10
0
30 35 40 45 50
32°C 33°C
29°C
11%
6%
L=0
L=1/2Max.
L=1/2Max.
L=Max.
L=Max.
L=0
31°C
34°C
110
100
90
80
70
60
50
40
30
20
10
0
30 35 40 45 50
37°C 40°C
44%
56%
L=0 to Max.
L=0 to Max.
110
100
90
80
70
60
50
40
30
20
10
0
30 35 40 45 50
36°C 37°C
29°C 31°C
19%
38%
45%
6%
L=0
L=1/2Max.
L=1/2Max.
L=Max.
L=Max.
L=0
35°C
38°C
110
100
90
80
70
60
50
40
30
20
10
0
30 35 40 45 50
43°C 44°C
63%
72%
88%
50%
L=0, 1/2Max.
L=Max.
L=0, 1/2Max.
L=Max.
48°C
40°C
110
100
90
80
70
60
50
40
30
20
10
0
30 35 40 45 50
30°C
35°C
42%
16%
110
100
90
80
70
60
50
40
30
20
10
0
30 35 40 45 50
37°C
43°C
67%
44%
110
100
90
80
70
60
50
40
30
20
10
0
30 35 40 45 50
47°C
91%
79%
110
100
90
80
70
60
50
40
30
20
10
0
30 35 40 45 50
47°C
91%
79%
Individual unit
With expansion unit
Individual unit
With expansion unit
Individual unit
With expansion unit
Individual unit
With expansion unit
Individual unit
With expansion unit
Individual unit
With expansion unit
Individual unit
With expansion unit
Individual unit
With expansion unit
Derating when KV-24AR is mounted in front
Continuous simultaneous
ON
ratio
(%)
Ambient temperature (°C)
Continuous simultaneous
ON
ratio
(%)
Derating when KV-24AT(P) is mounted upward
Derating when KV-24AT(P) is mounted in front
Continuous simultaneous
ON
ratio
(%)
Ambient temperature (°C)
Continuous simultaneous
ON
ratio
(%)
Ambient temperature (°C)
Derating when KV-24DR is mounted upward
Derating when KV-24DR is mounted in front
Continuous simultaneous
ON
ratio
(%)
Ambient temperature (°C)
Continuous simultaneous
ON
ratio
(%)
Ambient temperature (°C)
Derating when KV-24DT(P) is mounted upward
Derating when KV-24DT(P) is mounted in front
Continuous simultaneous
ON
ratio
(%)
Ambient temperature (°C)
Continuous simultaneous
ON
ratio
(%)
Ambient temperature (°C)
1.6 KV-24AR/AT(P)/DR/DT(P) (24-I/O Basic Unit)
(AC power output
capacity at 600 mA)
(Individual current consumption
when KV-D20 is connected)
–
(Service power
output current)
(Expansion
unit current
consumption)
=
+
Ambient temperature (°C)
KVHKA Chap 01.p65
08.3.11, 11:10 AM
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