Omron S8M - Over-Temperature Output

28
Basic Function Details Section 2-4
2-4-3 Over-temperature Output
When the temperature exceeds the set value continuously for more than 1 s,
the seven-segment display will show error code A30 and the Over-tempera-
ture Output (TMP) will go OFF.
The error display and Over-temperature Output are reset automatically when
the temperature has been below the set value
− 3°C for more than 5 s.
Power supply
voltage
(V-U) +0.3 V
V-U: Undervoltage
alarm value
Error display and
Alarm Output (ALM)
Reset possible
100 ms
500 ms
Undervoltage alarm value
Power supply
voltage
Branch output
current
Branch output
voltage
Alarm Output
(ALM)
Reset signal
ON
OFF
ON
3 s min.
Setting
range
Default
value
Operation Seven-
segment
display
Outputs Conditions
required to
reset
25 to
80°C
80°C The output is
turned OFF when
the temperature is
higher than the
set value continu-
ously for more
than 1 s.
Alternately
displays
error code
A30 and the
temperature
(°C).
The Over-
temperature
Output
(TMP) is
turned OFF.
Reset automati-
cally when the
temperature falls
below the set
value − 3°C.