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8 Channel Thermocouple Input Module. I-87018 is phased out and replaced by I-87018W.


8 Channel Thermocouple Input Module. I-87018 is phased out and replaced by I-87018W.

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The I-87018 has officially been phased out and will no longer be available. It has now been replaced by I-87018W.

I-87018/R has a serial bus (RS-485) communication interface with DCON protocol. It can be plugged into our WinCon, LinCon, I-8000 controllers and I-87K, RF-87K I/O expansion units. I-87018/R is a Thermocouple Input Module with 8 channels. I-87018/R is a serial cartridge based I/O module that offers the ultimate in cost effective flexibility.


Analog Input
Input Channels 8 Differential
Input Type

+/- 15mV, +/- 50mV, +/- 100mV 
+/- 500mV, +/- 1V, +/- 2.5V
-20mA ~ +20mA(Requires Optional External 125 Ohm Resistor) 
Thermocouple(J, K, T, E. R. S, B, N, C, L, M, LDIN43710)

Resolution 16-bit
Sampling Rate 10 Samples/ sec (Total)
Accuracy +/- 0.1% of FSR
-3dB BandWidth 15.7Hz
Zero Drift +/- 0.5μV °C
Span Drift +/- 25 μV/ °C
Common Mode Rejection 150 dB
Normal Mode Rejection 100 dB
Input Impedance 20M Ohms
Open Thermocouple Detection No
Overvoltage Protection -35V to +35V
Intra-module Isolation, Field to Logic 3000VDC
LED Display
1 LED as Power/ Communication Indicator
16 LEDs as High/ Low Alarm Signals
Power Consumption Maximum : 1.1W
Operating Temperature -25 to 75 °C
Storage Temperature -30 to 75 °C
Humidity 5 to 95% RH, non-condensing
30mm x 88mm x 115mm(W x L x H)

Note:We recommend to choose I-87018Z for accurate thermocouple measurement.

Thermocouple Type

Type Range°C
J -210~ +760
K -270~+1372
T -270~+400
E -270~+1000
R 0~+1768
S 0~+1768
B 0~+1820
N -270~1300
C 0~2320
L -200~+800
M -200~+100
L2(DIN43710) -200~+900

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