Eaton ELCM Series, Руководство по эксплуатации

Страница: 259 / 336

E L C O p e r a t i o n M a n u a l
F o r m o r e i nf o r m a t i o n v i sit :
w w w. e a t o n . c o m
MN05003006E 1-152
3.2.4.9 Temperature Conversion in ELCM-PT04ANNN
Adjust the conversion curves according to the actual application requirements by changing the
Offset value (CR#28 ~ CR#31).
z For temperature input Mode 0~3: 1
SCALE
= 0.1°.
Equation:
⎟⎟
⎠
⎞
⎜⎜
⎝
⎛
+
°
°
=
Offset
X
Y
) ( 1 . 0
) (
Y=Digital output, X= Measured input
z For input impedance Mode 4: 1
SCALE
= 300 Ω /3,000 = 0.1 Ohm.
Equation:
⎟⎟
⎠
⎞
⎜⎜
⎝
⎛
+ =
Offset
X
Y
) Ohm ( 1 . 0
) Ohm (
Y=Digital output, X=Input impedance
„
Conversion Curve
z
Mode 0 (H’0000): PT100 mode °C (
°F
) / Mode 2 (H’0002): PT1000 mode °C (
°F
)
+8,000
-1,800
-180
Digital output
Measured
temper atur e input
C
+800 C
+14,720
-2,920
+1,472 -292 F
Digital output
Measured
temper atur e input
F
Mode 0, 2 of CR#2~ CR#5 -180°C ~ 800°C (-1800~8000), -292°F ~ 1472°F
(-2920~14720)
Offset (CR#34 ~ CR#37) Offset value
z Mode 1 (H’0001): NI100 mode °C (°F) / Mode 3 (H’0003): NI1000 mode °C (°F)
+1,700
-800
+170
-80
C
Digital output
Measured
temper atur e input
C
+3,380
-1,120
+338
-112
F
Digital output
Measured
temper atur e input
F
Mode 1, 3 of CR#2~ CR#5 -80°C ~ 170°C (-800~1700) , -112°F ~ 338°F
(-1120~3380)
Offset (CR#34 ~ CR#37) Offset value