I-87018RW-G
8-ch Thermocouple Input Module
Features
• 8-channel Analog Input
• Current Input, Voltage Input and Thermocouple Input
• High Resolution: 16-bit
• Open Thermocouple Detection
• 240 Vrms Overvoltage Protection
Introduction
The I-87018W is an 8-channel analog input module that provides current input and voltage input, as well as thermocouple input. The input type can be set to either current or voltage, as well as thermocouple. The I-87018W features 4 kV ESD protection and 3000 VDC intra-module isolation.
Applications
• Building Automation
• Factory Automation
• Machine Automation
• Remote Maintenance
• Remote Diagnosis
• Testing Equipment
Ordering Information
| PRODUCT SERIES | DESCRIPTION | QNT. | INQUIRY |
|---|---|---|---|
This combination include other products.
Similar Products
| CPU Module | |
|---|---|
| Watchdog Timer | Yes, Module (1.6 Seconds), Communication (Programmable) |
| Isolation | |
|---|---|
| Intra-module Isolation | 3000 VDC |
| EMS Protection | |
|---|---|
| ESD (IEC 61000-4-2) | ± 4 kV Contact for Each Terminal ±8 kV Air for Random Point |
| LED Indicators | |
|---|---|
| Status | 1 x Power and Communication 16 x I/O |
| Analog Input | |
|---|---|
| Channels | 8 |
| Type | Voltage、Current、Thermocouple |
| Sensor Type | (J, K, T, E, R, S, B, N, C, L, M, LDIN43710 |
| Range | ±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) |
| Bandwidth | 15.7 Hz |
| Input Impedance | >400 kΩ |
| Common Mode Rejection | 150 dB |
| Normal Mode Rejection | 100 dB |
| Overvoltage Protection | 240 Vrms |
| Open Wire Detection | Yes (Thermocouple) |
| Zero Drift | ±10 μV/°C |
| Span Drift | ±25 ppm/°C |
| COM Ports | |
|---|---|
| Ports | 1 x RS-485 |
| Baud Rate | 1200 to 115200 bps |
| Data Format | N, 8, 1 |
| Protocol | DCON |
| Power | |
|---|---|
| Consumption | 0.6 W Max. |
| Mechanical | |
|---|---|
| Dimensions (mm) | 30 x 102 x 115 (W x L x H) |
| Environment | |
|---|---|
| Operating Temperature | -25 ~ +75 °C |
| Storage Temperature | -40 ~ +85 °C |
| Humidity | 10 ~ 95% RH, Non-condensing |
Specification Memo
Note: ICPDAS recommends selecting the I-87018ZW module for high accurate thermocouple measurement that features automatic cold-junction compensation for each channel to ensure temperature output consistency and stable temperature output in the field.
