3 INDIVIDUAL SPECIFICATIONS
3-73
6 V
Bridge output =
25 (Rxt 100)
26 (2,500 Rxt)
4r (Rxt 100)
6,250,000
Rxt:
Resistance of the RTD (resistance temperature detector) at t
r
Channel 0
Channel 1
Channel 2
Channel 3
A0
B0
C0
A/D
SHD
LQA201 internal circuit
A1
B1
C1
SHD
A2
B2
C2
SHD
A3
B3
C3
SHD
FG
6V
: Resistance of the RTD service wire
Amplifier
−
Figure 3-88 LQA201 Circuit
-50
2,047
1,987
(2,021)
0 150
-703
(-716)
-2,048
Temperature [ ]
A/D conversion data [digit]
RANGE0 (-50 to +150 input)
RANGE1 (-200 to +100 input)
-200
2,047
840
(855)
0
100
-1,864
(-1,896)
-2,048
A/D conversion data [digit]
Temperature [ ]
-100
2,047
1,903
(1,934)
0 300
-715
(-728)
-2,048
Temperature [ ]
A/D conversion data [digit]
RANGE2 (-100 to +300 input)
•
The A/D conversion data shows the values when using Pt100.
The data in parentheses shows the values when using JPt100.
•
The resistance of the RTD service wire is assumed to be 0
Ω
.
Figure 3-89 LQA201 A/D Conversion Characteristics
Содержание S10mini LQS070
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