Справочник Пользователя для Mitsubishi Electronics 13JW55

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9 - 4
 
 
 
9.4    Service Life of Output Relay 
The output relays of the modules are consumed by the switching operation. 
A relay which is directly mounted on the print board of the output module is required 
to be replaced the output module itself after the consumption. 
Switching current (unit: A)
0.1
0.5
1
2
10
1
2
5
10
20
50
Li
mi
t n
u
m
ber
 of
 sw
it
ch
ing
 (u
n
it:
 10
,0
00
)
DC100V
t=7ms
DC24V
t=7ms
DC30V
t=0ms
100
1000
200
500
AC100V COS    =0.7
AC200V COS    =0.7
AC100V COS    =0.35
AC200V COS    =0.35
0.2
5
 
Figure 9.3 Life characteristics of output relay's contact (QY10, QY18A)