NAiS FP Series, Hardware Manual

Page: 77 / 199

FP0 Hardware Analog I/O Unit
4-10 Matsushita Electric Works (Europe) AG
Corresponding table of A/D conversion values
Input voltage (V) A/D conversion value
–10.0 –2000
–7.5 –1500
–5.0 –1000
–2.5 –500
0.0 0
+2.5 +500
+5.0 +1000
+7.5 +1500
+10.0 +2000
Processing if the range is exceeded
Input value Converted value
–10V or less –2000
+10V or more +2000
Thermocouple input
Setting a temperature higher than the temperature of the 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
25 25
250 250
350 350
500 500
750 750
1000 1000
Processing if the range is exceeded
Input value Converted value
Temperature of terminal
or less
Temperature of terminal
Upper
limit
350 C or more
(with T type
thermocouple)
350
750 C or more
(with J type
thermocouple)
750
1000 C or more
(with K type
thermocouple)
1000
Disconnected 20000
If the measured temperature exceeds the upper limit of the
range, a value higher than the upper limit value is not
output.
Voltage range: –10 to +10V DC input
2000
1000
0
–1000
–2000
–10 –5 5
10 (V)
(K)
Analog input range
A/D conversion value
1000 (
°
C)
Temp. of
terminal
1000
750
500
250
0 250
500
750
(K)
350
350
(K type
thermocouple)
(J type
thermocouple)
(T type thermocouple)
Thermocouple input range
A/D conversion value
Temp. of
terminal