–100
–75
–50
–25
0
–25–50–75–100(°C)
Thermocouple input range
(K)
Temp. of
terminal
Temp. of
terminal
A/D conversion value
FP0 Hardware 4.3 A/D Conversion Characteristics
4-11Matsushita Electric Works (Europe) AG
Thermocouple input
Setting a temperature lower than the temperature of terminal using the analog mode
switch (see page 4-3)
Corresponding table of A/D conversion values
Temperature (°C) A/D conversion value
Temperature of terminal Temperature of terminal
0 0
–25 –25
–50 –50
–75 –75
–100 –100
Processing if the range is exceeded
Input value Converted value
Temperature of terminal
or more
Temperature of terminal
Lower
limit
with T type
thermocouple
–250
with J type
thermocouple
–200
with K type
thermocouple
–250
Disconnected 20000
A value is output even if the boundary of the measured
value (–100°C) is exceeded, but the measurement
accuracy cannot be guaranteed.