6CH RTD Input Module (2/3/4 wires PT100/PT1000)
  • RTD Input Module
  • PT100 PT1000 Module
  • Temperature Monitoring Module
  • High Precision RTD Module
  • High Precision RTD Module
  • High-precision temperature measurement
  • RTD Input Module
  • RTD Input Module
  • PT100 PT1000 Module
  • Temperature Monitoring Module
  • High Precision RTD Module
  • High Precision RTD Module
  • High-precision temperature measurement
  • RTD Input Module

6CH RTD Input Module (2/3/4 wires PT100/PT1000)

No.M340T
The BLIIoT M340T is a robust RTD Input Module designed for industrial environments, offering high-precision temperature measurement with support for 6RTD channels. Compatible with 2/3/4 wire PT100/PT1000 sensors, this RTD Input Module ensures accurate and reliable data acquisition for critical applications such as cold storage monitoring, HVAC systems and industrial automation.
Description
The M340T Industrial RTD Input Module is an 6-channel isolated RTD temperature acquisition device designed for harsh industrial environments. It features high reliability, supporting 2/3/4-wire PT100/PT1000 sensors, with a measurement range of -50~+300°C and an accuracy of ±0.1% FSR (@25°C, 12-bit resolution).

Integrated with a 32-bit MCU and 10/100M Ethernet, it supports Modbus TCP, RTU over TCP, MQTT and Modbus RTU Master/Slave protocols, enabling seamless integration into SCADA or PLC systems. The built-in RS485 interface allows cascading additional Modbus devices when configured as a Modbus RTU Master and the register mapping function ensures fast data polling.

Operating at 9~36VDC with reverse polarity protection. It features an IP30 metal housing for DIN rail or wall mounting and operates in -20~70°C environments. Configuration is simplified via PC software for parameter settings and real-time monitoring.

Typical Application

  • Industrial automation data acquisition and control;
  • Smart grid data acquisition and control;
  • Smart transportation data acquisition and control;
  • Cold storage temperature monitoring, fruit and vegetable storage room, industrial computer room, transformer cabinet, etc.;
  • Warehousing and libraries temperature and humidity data acquisition and monitoring;
  • Solar monitoring system data transmission;
  • Data transmission of ATM, POS, electric meter, PLC, DAQ and other equipment;
  • Agricultural temperature and humidity data acquisition and monitoring;
  • Breeding temperature and humidity data acquisition and monitoring;
  • Charging pile data acquisition and transmission;
  • Meteorological station data acquisition and monitoring;
  • Environmental protection data acquisition  and control;
  • Occasions where other monitoring points are scattered;  


Technical Specifications

Item

Parameter

Description

Power

Input voltage

Models without AO: 9~36VDC

Models with AO: 24~36VDC

Power consumption

Typical standby power consumption: ≤ 2W

Power Output

1 channel

Output voltage: 9~36V DC(Equal to the input voltage)

Output current: 1500mA@12V(MAX)

Ethernet

Specification

1 x RJ45, 10M/100Mbps

Protocol

Modbus RTU, Modbus TCP, MQTT

Serial port

Quantity

1 x RS485

Baud Rate

2400, 4800, 9600, 14400, 19200, 38400, 57600, 115200, 128000

Protocol

Modbus RTU(slave), Modbus RTU(master)

RTD

Quantity

6 channels

Range

-50 ~ +300°C

Type

2/3/4 wire PT100/PT1000

Resolution

12Bit

Software

Protocols

IPV4, TCP/UDP, DNS, Modbus RTU, Modbus TCP, MQTT

Protocol conversion

Support Modbus TCP and RTU protocol conversion

Support Modbus RTU to MQTT and Modbus TCP to MQTT

Environment

Working

-20~70°C, 5~95%RH

Storage

-40~85°C, 5~95%RH

Others

Case

Metal

Dimension

82mm×40mm×100mm

Protection grade

IP30

Net Weight

350g

Installation

DIN rail mounted, Wall-mounted

  • RTD Input Module
  • PT100 PT1000 Module
  • Temperature Monitoring Module
  • High Precision RTD Module
  • High Precision RTD Module
  • High-precision temperature measurement
  • RTD Input Module

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