8-channel Isolated Analog Voltage Input Module with High Voltage Protection.    Communicable over RS-485 and Modbus RTU.  Input types include: 0 ~ 500 mV, 0 ~ 1 V, 0 ~ 2.5 V, 0 ~ 5 V, 0 ~ 10 V.

tM-AD8

8-channel Isolated Analog Voltage Input Module with High Voltage Protection. Communicable over RS-485 and Modbus RTU. Input types include: 0 ~ 500 mV, 0 ~ 1 V, 0 ~ 2.5 V, 0 ~ 5 V, 0 ~ 10 V.

  Price:  $219.00  

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Features

tM-AD8 PINThe tM-AD8 is an analog input module that includes 8 single-ended analog input channels and provides a programmable input range on all analog inputs (0 ~ 500 mV, 0 ~ 1 V, 0 ~ 2.5 V, 0 ~ 5 V, 0 ~ 10 V). It provides a high overvoltage protection of 120 VDC. The sampling rate of the tM-AD8 is adjustable and is available in either fast or normal mode and It also provides 4 KV ESD protection as well as 2500 Vrms intra-module isolation.

Features

  • 8-channel Single-ended Inputs
  • Voltage Inputs
  • 120 VDC Overvoltage Protection
  • Resolution: 14/12 bits
  • Adjustable Sampling Rate
  • 4 kV ESD and EFT Protecton
  • 3 kV Surge Protection
  • Dual Watchdog
  • 2500 VDC Intra-module Isolation
  • Cost-effective
  • Wide Operating Temperature Range: -25 °C ~ +75 °C

Applications

  • Industrial Automation
  • Industrial Machinery
  • Building Automation
  • Food and Beverage Systems
  • Semiconductor Fabrication
  • Control Systems

Specifications

Communication

Interface

RS-485

Format

(N, 8, 1), (N, 8, 2), (O, 8, 1), (E, 8, 1)

Baud Rate

1200 ~ 115200 bps

Sampling Rate

Normal Mode 10 Hz, Fast Mode 200 Hz

Protocol

DCON, Modbus/RTU, Modbus/ASCII

Dual Watchdog

Yes, Module (2.3 seconds), Communication (Programmable)

LED Indicators

Sampling Rate

Power

1 LED as Power Indicator

Isolation

Intra-module Isolation, Field-to-Logic

2500 VDC

EMS Protection

ESD (IEC 61000-4-2)

+/4 kV Contact for Each Terminal
±8 kV Air for Random Point

EFT (IEC 61000-4-4)

+/-4 kV for Power

Power Requirements

Reverse Polarity Protection

Yes

Powered from Terminal Block

Yes, 10 ~ 30 VDC

Consumption

0.7 W Max.

Mechanical

Dimensions (W x L x H)

52 mm x 98 mm x 27 mm

Installation

DIN-Rail Mounting

Environment

Operating Temperature

-25°C ~ +75°C

Storage Temperature

-30°C ~ +75°C

Humidity

10 ~ 95% RH, Non-condensing

I/O Specifications

Specifications

Input Channels

8 single-ended

Input Types

0 ~ 500mV, 0 ~ 1V, 0 ~ 2.5V 0 ~ 5V, 0 ~ 10V

Resolution

Normal Mode (10 Hz): 14 bit, Fast Mode (200 Hz): 12 bit

Sampling Rate

Normal Mode 10 Hz, Fast Mode 200 Hz

Accuracy

Normal Mode +/-0.1%, Fast Mode: +/-0.5%

Zero Drift

+/-20uV/C

Span Drift

+/-25 ppm/C

Input Impedance

10 M

Overvoltage Protection

120 VDC

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