Siemens Metro 21 M216KA, Руководство оператора

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ET 200L, ET 200L-SC and ET 200L-SC IM-SC Distributed I/O Device
EWA 4NEB 780 6009-02c
The following two tables show the analog value representation for tempera-
ture sensors of various types in various temperature ranges.
System Temperature Range
Climatic (1 Digit
= 0.05
o
C)
Standard (1 Digit = 0.5
o
C)
Dec. Pt100 Pt100 Ni100
3101
u
155
o
C
Overflow
2001
u
1000
o
C
591
u
295
o
C Overflow
*155
o
C *1000
o
C *295
o
C Overrange g
130
o
C 850
o
C 250
o
C Rated range
200 10
o
C 100
o
C 100
o
C
1 0.05
o
C 0.5
o
C 0.5
o
C
0 0.00
o
C 0.0
o
C 0.0
o
C
– 120
o
C 100
o
C 60
o
C
Underrange
*– 145
o
C *– 243
o
C
*– 105
o
C
g
211
t
– 105
o
C Underflow
487
t
– 243
o
C
2901
t
– 145
o
C
* Overrange and underrange: In the overrange and underrange, the gradient of the char-
acteristic curve as it leaves the linearized rated range is retained.
Analog Value
Representation for
Temperature
Sensors
... for Resistance
Thermometers
SC Analog Electronic Modules – Parameters