3. SPECIFICATIONS MELSEC-A
3-2
3.2 Performance Specifications
The performance specifications of the AJ65BT-68TD are shown below.
Item Specifications
Temperature sensor input -200 to 1700 °C
Output
Detected
temperature
Scaling value 16-bit signed binary (0 to 2000)
Applicable thermocouples
and temperature
measurement range accuracy
Cold junction compensation
accuracy
Overall accuracy Depends on *1 calculation expression
Maximum resolution B, R, S : 0.3 °C K, E, J, T : 0.1 °C
Conversion speed
(sampling time)
Absolute maximum input ± 5 V
Number of analog input
points
8 channels + Pt100 connection channel
Thermocouple input to CC-Link transmission : Transformer insulation
Between channels : Transformer insulation
16-bit signed binary (-2000 to 17000 : value to one decimal place multiplied by 10)
± 1.0 °C
45 ms/channel *2 ms/ch
Insulation method
Applicable
thermocouple
type
Temperature
measuremen
t range [°C ]
Conversion accuracy
(When ambient operating
temperature is 25 ±5 °C)
Temperature characteristic
(Per 1 °C of ambient operating
temperature change)
B 600 to 1700 ± 2.5 °C ± 0.4 °C
0 to 200 ± 0.4 °C
200 to 1600 ± 0.3 °C
0 to 200 ± 0.4 °C
200 to 1600 ± 0.3 °C
±0.06 °C or ±0.3 % of the measured
temperature, whichever is greater
±0.06 °C or ±0.02 % of the measured
temperature, whichever is greater
±0.06 °C or ±0.3 % of the measured
temperature, whichever is greater
±0.06 °C or ±0.02 % of the measured
temperature, whichever is greater
±0.06 °C or ±0.02 % of the measured
temperature, whichever is greater
±0.06 °C or ±0.3 % of the measured
temperature, whichever is greater
±0.06 °C or ±0.02 % of the measured
temperature, whichever is greater
±0.5 °C or ±0.25 % of the
measured temperature,
whichever is greater
± 2.0 °C
± 2.0 °C
0 to 350
-200 to 0
0 to 750
0 to 800
-200 to 0
-200 to 0
0 to 1200
S
T
J
E
K
R
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