Dual MODBUS Communication Temperature Controller

Dual MODBUS RTU communication, with optional MODBUS TCP Ethernet. It supports communication data synchronization, enabling automatic SV (Set Value) synchronization during multi-instrument operation. This allows for synchronized data control of multiple control instruments.
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Description

24-bit high-speed multi-channel synchronous data acquisition, full 5-digit data display, capable of showing ±10000.

Dual MODBUS RTU communication, with optional MODBUS TCP Ethernet. It supports communication data synchronization, enabling automatic SV (Set Value) synchronization during multi-instrument operation. This allows for synchronized data control of multiple control instruments.

Dual MODBUS Communication Temperature Controller can implement communication-based digital PID control, directly controlling one or multiple digital power control instruments to achieve full digital control.

Communication data supports the 16-bit integer standard. When the data exceeds 16 bits, it can automatically switch to 32-bit integer data reading and writing, realizing high-precision, full-resolution real reading for process control.

Equipped with a 32-bit RISC instruction set industrial-grade microprocessor, it features higher anti-interference capability and faster response speed.

The control output refresh rate is 50ms, adapting to faster control processes.

Dual-channel mathematical calculation function enables complex algorithm logic implementation, and it is equipped with high-precision carbon potential measurement and control functions.

4 channels of hard-contact alarm output and program control output; 8 channels of programmable DIO (Digital Input/Output) functions. Each IO can be customized as input or output according to requirements.

Supports dual-sensor high-low temperature switching function and redundancy switching function. When a sensor fails, it automatically switches to the backup input measurement channel.

Program curves can control arbitrary timed output of 9 channels. It integrates fixed time-scale function output mode and program curve time-scale function, allowing flexible configuration as needed. It supports rate curve mode and classic time-mode curve input functions.

Full-screen OVERVIEW display technology for real-time insight into each process control parameter.

20 curves, with 50 segments per curve, supporting in-segment cycling and program curve cycling.

10 groups of grouped PID and 10 groups of grouped output limiting control, meeting the requirements of various control working conditions.

Supports analog setting and digital remote setting functions.

Supports non-standard signal input and multi-point linearization processing, as well as input of 47 types of industrial standard sensor signals.

Features

 

 

True-color IPS TFT wide-viewing-angle LCD display, full 5-digit, with innovative OVERVIEW color-changing display technology
Online communication control and industrial Ethernet, integrated with master station communication PID control
Supports 20 process curves, 50 segments per curve, and enables in-segment cycling and curve cycling
Supports rate-mode curves and time-mode curves
10 groups of grouped PID and grouped output limiting function, suitable for loads with various characteristics
Supports analog remote and digital long-distance remote setting, and heater wire break alarm function
47 types of input signals, supporting PT1000 input and industrial oxygen probe carbon potential control
Adopts improved DK PID algorithm, supporting PV differentiation and derivative-first control
Innovatively designed with high-speed data acquisition and Class 0.1 measurement and control accuracy
Supports dual-sensor high-low temperature switching function and user-defined 8-point input curve correction function
Programmable DI (Digital Input) and DO (Digital Output) with custom input/output functions

 

01/

Inputs

Supports input of 47 types of industrial signals:
K, S, R, T, E, J, B, N, WRe3-WRe25, WRe5-WRe26, Cu50, Pt100, Pt500, Pt1000, 0~80Ω, 0~400Ω, 0~4000Ω, 0~10mA, 0~20mA, 4~20mA, 0~20mV, 0~100mV, -20~+20mV, -100~+100mV, 0~1V, 0~2V, 0~5V, 1~5V, 0~10V, 2~10V, -5V~+5V, -10V~+10V, Cu10, Cu100, Pt10, Pt50, Pt200, JPT10, JPT50, JPT100, JPT200, JPT500, JPT1000, Ni100, Ni200, Ni500, Ni1000

02/

Outputs

Main Control Output:
4-20mA, 0-20mA, 0-10mA, Relay Output, Transistor Solid-State Output, Thyristor Output
Transmission Output:
4-20mA, 0-20mA, 0-10mA
Communication:
Supports dual communication
Standard Modbus RTU communication protocol
Standard Modbus TCP communication protocol
Alarm:
Supports 4-channel relay alarm output

 

Detailed Parameters

 
Control Cycle 50mS/100mS
Measurement Accuracy 0.001FS (using 24-bit AD)
Sampling Rate 20Hz/10Hz
Control Output  
Analog Signals 12 BIT (True DA) – 4-20mA, 0-20mA, 0-10mA, 0-10V, 2-10V, 0-5V, 1-5V
Relay 2A (250V AC)
Solid-State Relay (Transistor) 22V 20mA
Thyristor 3A 250V AC
Display Method IPS TFT True-Color LCD
Signal Measurement Input Impedance

≥500KΩ for voltage signals (≥100KΩ for 5V, 10V), ≤120Ω for current signals, ≥500KΩ for thermocouples

Resistance measurement adopts a 3-wire system; the resistance of each signal transmission wire shall not exceed 10Ω

8.1 Communication Standard MODBUS RTU protocol (2-wire RS485)
Parity Check None, Odd, Even
Communication Speed 4800BPS, 9600BPS, 19200BPS, 38400BPS, 57600BPS
Communication Address Range 1~247
8.2 Communication Standard MODBUS TCP protocol
Communication Address 0-255
Subnet Mask 0-255
Gateway 0-255
Power Supply 24VDC
Isolation Voltage 2300V AC for 1 minute (isolation between input, output, and power supply)
Operating Temperature 0~50℃
Storage Conditions Temperature -40℃~80℃; Humidity 0.1-0.9 (Relative Humidity)
External Dimensions 1654085.1mm (DIN rail mounting or screw fixing mounting)
EMC Standard EN61326*
Safety Standard IEC60950-1
Protection Class IP66
Power Consumption 12W
DI and DO

The DIO function is programmable and can be defined as input (DI) or output (DO) via parameter settings.

DI can only accept passive dry contact input signals.

DO is an open-collector output, with a load capacity of 200mA; an external 24V signal is required to drive intermediate relays.

 

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