Samwon Tech TEMI850 Bedienerhandbuch Seite 14

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SAMWONTECH
3rd Edition of TEMI880 IM : Aug. 22. 2005 Page 12 / 123
1.4.2.4 Grounding and Power Wiring
Use a cable 2 or more thick for grounding with class 3 grounding(grounding resistance a 100Ω or
less) or higher. Do not extend the grounding cable over 20m.
Ground from the ground terminal with a one-point contact. Do not wire between ground terminals.
Use appropriate cables equivalent to vinyl insulation cable(KSC 3304) or more.
1.4.2.5 Analog Input
Before starting analog input wiring, be sure to turn off the system or else you will get an
electrical shock.
When connection, do not mix up the input polarity. Connecting with the wrong polarity can
cause the unit to malfunction.
For input wiring, use a shielded cable. Ground the shield at one point and grounding circuits
as possible.
Resistance Temperature Detector(RTD) Input
DC Voltage Input DC Current Input
Ground FRAME GROUND(FG) Exactly.
CAUTION
100~240V AC
50/60Hz
Class 3 Ground
L
N
FG
Class 3 Ground
TEMI880
INPUT
SHIELD
RTD
A
b+
B-
Temp.: -1~2V
Humi.: 1~5V
Humi.
R = 250Ω: 1~5V
+
-
V
mA
R
TEMI880
INPUT
TEMI880
INPUT
+
-
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