Industrial Modbus RTU 8-Ch Analog Data Acquisition 12-bit 0-20mA 0-10V
Industrial Modbus RTU 8-Ch Analog Data Acquisition 12-bit 0-20mA 0-10V
- 12-bit High-precision
- Supports Voltage and Current Acquisition
- Input DC 7~36V Wide Voltage
- Modbus RTU Protocol
- Multiple Isolation Protection

Features:
- Configurable device address (1~255), multi-devices can be cascaded on RS485 bus
- The onboard voltage regulator, supports a 7~36V wide range power supply
- Onboard unibody power supply isolation, provides stable isolated voltage, and needs no extra power supply for the isolated terminal
- Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference
- Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, provide over-current/over-voltage proof, lightning proof & anti-electrostatic
- Supports 12-bit high-precision acquisition with multiple range input modes, supports single-ended/differential input, supports voltage and current simultaneous acquisition
- Adopts high-precision resistors and zero-drift high-precision operational amplifiers for more accurate data acquisition
- Built-in oversampling digital filtering algorithm, onboard watchdog, for stable output without crashing
- Rail-mount case design, support stacking combination, easy to install and safer to use
- 3x LEDs for indicating the MCU status and signal transceiving status
Version Options

Modbus RTU Analog Input 8CH
Supports four ranges (configurable):
0~5V/1~5V
0~20mA (default) /4~20mA

Modbus RTU Analog Input 8CH (B)
Supports four ranges (configurable):
0~10V (default)/2~10V
0~20mA /4~20mA
Specifications
MODEL | Modbus RTU Analog Input 8CH | Modbus RTU Analog Input 8CH (B) |
---|---|---|
COMMUNICATION INTERFACE | RS485 | |
BAUD RATE | 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000 | |
DEFAULT COMMUNICATION FORMAT | 9600, N, 8, 1 | |
MODBUS PROTOCOL | Standard Modbus RTU protocol | |
POWER SUPPLY | DC 7~36V | |
SAMPLING ACCURACY | 12-bit resolution, accuracy ≤3% | |
DATA UPDATE RATE | 25Hz | |
INPUT MODE | supports single-ended/differential input, supports voltage and current simultaneous acquisition | |
DEFAULT MODE | 8-ch current mode, 0~20mA | 8-ch voltage mode, 0~10V |
RANGE | 0~5V/1~5V 0~20mA/4~20mA |
0~10V/2~10V 0~20mA/4~20mA |
CURRENT SAMPLING RESISTOR | 249Ω | 499Ω |
Primary Function
Supports Sending Modbus RTU Protocol Commands Via RS485
To Acquire Data From 0~20mA/0~10V Sensor

Industrial Grade Isolated Protection
Onboard power and signal dual isolation for RS485 communication, provides stable isolation voltage, features high reliability and strong anti-interference performance. Built-in TVS (transient voltage suppression tube) can effectively suppress the surge voltage and transient peak voltage in the circuit, lightning proof & ESD protection. Built-in resettable fuse and protection diode to ensure stable current and voltage output, provides over-current and over-voltage proof, improves shock-proof performance, suitable for industrial environments with high requirement.

Supports Voltage/Current Acquisition
Wider Measurement Range
8-Ch Analog Acquisition Interfaces, Voltage And Current Acquisition Is Switchable Via Jumper. Multiple Ranges Configurable Via Software

Interface Introduction

Connection Diagram
Supports Setting Device Address (1~255) For Multi-Device Cascading, Supports Single-Ended/Differential Input, Supports Voltage And Current Simultaneous Acquisition

Wide Voltage Power Supply, Isolated RS485 Interface
Built-In Fuse And Anti-Reverse Protection, With ESD Protection For Analog Input

Rail-Mount Support
Supports 35mm Standard Guide Rail, With Rail-Mount Buckle, Easy To Install.

Supports Stacking Installation

Product Show

Dimensions

