I-87018W has a serial bus (RS-485) communication interface with DCON protocol. It can be used with our XPAC, WinPAC and ViewPAC controllers. I-87018W is a Thermocouple Input Module with 8 channels. It 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
Power
Power Consumption
Maximum : 0.8W
Environment
Operating Temperature
-25 to 75 °C
Storage Temperature
-30 to 75 °C
Humidity
5 to 95% RH, non-condensing
Dimensions
30mm x 102mm x 115mm(W x L x H)
Note：We recommend to choose I-87018Z for accurate thermocouple measurement.
