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Toshiba 8-Channel RTD Input RT318 Manual de usuario Pagina 1

Busca en linea o descarga Manual de usuario para Receptores y amplificadores Toshiba 8-Channel RTD Input RT318. Toshiba 8-Channel RTD Input RT318 User Manual Manual de usuario

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RT318
1
8-channel RTD input
Type RT318
Category RTD ( Resistance Temperature Detector ) input
Resistance temperature
detectors
Pt100
Measuring method Three-wire system
Load current 1 mA
Temperature measurement
range
-50
°
to +270
°
C (-58
°
to +518
°
F)
Converted data 800 to 4000
Input channel 8 channels / module
Insulation Photo-coupler insulation (not isolated between the channels)
Conversion rate 400 ms / 8 channels
Resolution
12 bits / 0.025 % ( 0.1
°
C / count )
Wire resistance correction
range
Within 4
Ω
Overall accuracy ±
0.3
%
(at 25
°
C)
Tepaerature drift ±
100 ppm /
°
C
Internal current consumption 5 Vdc, 600 mA or less
Insulation resistance
10 M
Ω
(500 Vdc)
Withstand voltage 500 Vac, 1 minutes ( between internal and external circuits)
Weight 500 g
Internal circuit
Internal circuit
Buffer
memor
y
5 Vdc
+15V
-15V
0V
AMP
Input filter
1A
1B
1C
1G
PC : Photo-coupler
CH1
CH8
8A
8B
8C
8G
Multiplexer
DC/DC
AG
AG
Rref
Rref
ADC
PC
Current source
1 mA
1 mA
Wire break
detection
PC
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1 2 3 4

Indice de contenidos

Pagina 1 - 8-channel RTD input

RT318 1 8-channel RTD input Type RT318 Category RTD ( Resistance Temperature Detector ) input Resistance temperature detectors Pt100 Measuring method

Pagina 2

RT318 2 Terminal connections Terminal No. Terminal name Function 1 (NC) No Connection 2 (NC) ( do not connect any wire ) 3 (NC) 4 (NC

Pagina 3

RT318 3 (1) Status indicator LEDs (PWR/FLT/RUN) 1) PWR PWR will be lit in normal state of analog power supply, and will not be lit in abnormal stat

Pagina 4

RT318 4 If measurement values are unstable due to noise influences, change the grounding for the shield in the following order for st

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