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Module 8 kênh đầu vào cặp nhiệt (Thermocouple) ICP DAS I-87018W-G CR

8-ch Thermocouple Input Module

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Model: I-87018W-G CR
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Module 8 kênh đầu vào cặp nhiệt (Thermocouple) ICP DAS I-87018W-G CR

The I-87018W is an 8-channel analog input module that provides current input and voltage input, as well as thermocouple input. The I-87018RW is an upgraded version of I-87018W with an extremely highquality protection mechanism where the overvoltage protection can be as high as 240 Vrms. The input type can be set to either current or voltage, as well as thermocouple. The only difference between the two modules is that the I-87018RW is more suitable for critically harsh environments. Moreover, the newly-added open thermocouple detection feature makes the I-87018RW more attractive than ever. Both the I-87018W and the I-87018RW also features 4 kV ESD protection and 3000 VDC intra-module isolation.
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Model I-87018W I-87018RW
Analog Input
Channels 8
Wiring Differential
Sensor Type ±15 mV, ±50 mV, ±100 mV, ±500 mV, ±1 VDC, ±2.5 VDC
-20 mA ~ +20 mA (Requires Optional External 125 Ω Resistor)
Thermocouple (J, K, T, E, R, S, B, N, C, L, M, LDIN43710)
Resolution 16-bit
Accuracy ±0.1% of FSR
Sampling Rate 10 Hz (Total)
-3dB Bandwidth 15.7 Hz
Zero Drift ±0.5 μV/°C ±10 μV/°C
Span Drift ±25 ppm/°C
Analog Output Response Time 10 ms per channel
Common Mode Rejection 150 dB
Normal Mode Rejection 100 dB
Input Impedance >400 kΩ
Open Wire Detection Yes (Thermocouple)
Overvoltage Protection -35 VDC ~ +35 VDC 240 Vrms
Model I-87018W I-87018RW
Communication
Interface RS-485
Format N, 8, 1
Baud Rate 1200 ~ 115200 bps
Protocol DCON
Dual Watchdog Yes, Module (1.6 Seconds), Communication (Programmable)
LED Indicators/Display
System LED Indicator 1 LED as Power/Communication Indicator
I/O LED Indicator 16 LEDs as High/Low Alarm Signals
Isolation
Intra-module Isolation, Field-to-Logic 3000 VDC
EMS Protection
ESD (IEC 61000-4-2) ±4 kV Contact for each Terminal
±8 kV Air for Random Point
Power
Power Consumption 0.8 W Max. 0.6 W Max.
Mechanical
Dimensions (W x L x H) 30 mm x 102 mm x 115 mm
Environment
Operating Temperature -25 ~ +75°C
Storage Temperature -40 ~ +85°C
Humidity 10 ~ 95% RH, Non-condensing
I-87018W-G     CR 8-ch Thermocouple Input Module (RoHS)
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