Module 8 kênh đầu vào cặp nhiệt Thermocouple ICP DAS I-87018RW

Thương hiệu: ICP DAS | Tình trạng: Còn hàng
Liên hệ

I-87018RW-G CR 8-channel Thermocouple Input Module with High Overvoltage Protection (Gray Cover) (RoHS)

Gọi 0904251826 để được trợ giúp

Module 8 kênh đầu vào cặp nhiệt Thermocouple ICP DAS I-87018RW

Features

  • 8-channel Analog Input

  • Current Input, Voltage Input and Thermocouple Input

  • High Resolution: 16-bit

  • 3000 VDC Intra-module Isolation

  • Open Thermocouple Detection

  • 240 Vrms Overvoltage Protection

  • 4 kV ESD Protection

  • RoHS Compliant

  • Wide Operating Temperature Range: -25 to +75°C

Introduction

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.

Application

  • Building Automation

  • Factory Automation

  • Machine Automation

  • Remote Maintenance

  • Remote Diagnosis

  • Testing Equipment

I/O Specification

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

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.

System Specification

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

Download

Manual

Data sheet

Software

FAQ

Certification

Odering information

I-87018W-G CR

8-channel Thermocouple Input Module (Gray Cover) (RoHS)

I-87018RW-G CR

8-channel Thermocouple Input Module with High Overvoltage Protection (Gray Cover) (RoHS)

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