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FX2N-2LC Temperature Control Block
3.4
Input specifications
Table 3.4:
Number of input points
Input type
Measurement precision
Cold contact tempera-
ture compensation error
Temperature
input
Resolution
Sampling period
Effect of external resis-
tance
Input impedance
Sensor current
Allowable input lead wire
resistance
Operation when input is
disconnected
Operation when input is
short-circuited
Number of input points
Current detector
Heater
current
CT input
measured
value
Measurement precision
Sampling period
Item
2 points
Thermocou-
K, J, R, S, E, T, B, N, PLII, WRe5=26, U, L
ple
Resistance
thermome-
Pt100, JPt100
ter bulb
± 0.7 % of range span ± 1 digit
(± 0.3 % of range span ± 1 digit when ambient temperature is
23 °C ± 5 °C)
However, 0 to 399 °C (0 to 799 °F) in B inputs as well as 0 to
32 °F in PLII and WRe5-26 inputs are outside precision guar-
antee range.
Within ± 1.0 °C
However, within ± 2.0 °C while input value is -100 to -150 °C
within ± 3.0 °C while input value is -150 to -200 °C
0.1 °C (0.1 °F) or 1 °C (1 °F)
(Varies depending on input range of used sensors.)
500 mS
Approx. 0.35 µV/Ω
1 Μ Ω or more
Approx. 0.3 mA
10 Ω or less
Upscale
Downscale
2 points
CTL-12-S36-8 or CTL-6-P-H
(manufactured by U.R.D. Co., Ltd.)
When CTL-
0.0 to 100.0 A
12 is used
When CTL-
0.0 to 30.0 A
6 is used
Larger one between ± 5 % of input value and 2 A
(excluding precision of current detector)
1 second
Specifications 3
Description
3-3
3
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