Intelligent Temperature Controller Supports MODBUS RTU is a single-loop temperature process control and display instrument based on microprocessor technology. Intelligent Temperature Controller Supports MODBUS RTU can control and display process parameters such as temperature, pressure, and flow. The instrument features flexible settings, convenient configuration, and simple operation.

Features

Universal input: Accepts thermal resistors, thermocouples and DC signals, compatible with 29 types of industrial input signals
Modular design: Output can be freely configured
Universal power supply: 100-240V AC, 50Hz
Multiple alarms
Alarm status indicator lights
Multiple control modes: ON/OFF and PID
Photoelectrically isolated RS-485 communication interface

01/

Inputs

Thermocouples: K, S, R, T, E, J, B, N, WRe3-WRe25, WRe5-WRe26

Thermal resistors: Cu50, PT100

Resistance signals: 0～80Ω, 0～400Ω

Current signals: 0～10mA, 0～20mA, 4～20mA

Voltage/millivolt signals: 0～20mV, 0～100mV, -20～+20mV, -100～+100mV, 0～1V, 0～2V, 0～5V, 1～5V, 0～10V, 2～10V, -5V～+5V, -10V～+10V

02/

Outputs

Main control output:

0 - Linear output

1 - Relay

2 - Transistor

3 - Thyristor

Linear signals:

0 - (4-20mA)

1 - (0-10mA)

2 - (0-20mA)

Supports 2 output channels

03/

Communication

Photoelectrically isolated RS-485 communication interface

04/

Alarm
2 channels of relay output

Other Detailed Parameters

Input signal range	29 common industrial standard signals
Basic error	0.002FS±1 digit
Measurement AD	20-bit, 13SPS
Output DA	12-bit, 100KSPS
Main control output	1 channel
Alarm output	2 channels (Model 2216 has 1 alarm channel)
Input impedance	≥500KΩ for voltage, ≤300Ω for current (with external 250Ω resistor in parallel), ≤0.25mA for thermal resistors, ≥500KΩ for thermocouples
Output impedance (load capacity)	≤500Ω for current (can be 650Ω for special current requirements, please specify when ordering), relay
Display method	Nixie tube
Sampling period	0.1S (average)
Communication protocol	MODBUS RTU (RS485 interface, 2-wire system)
Transmission distance	1200 meters
Parity check	None, odd, even
Baud rate	4800, 9600, 19200
Communication data format	1 start bit, 8 data bits, 1 stop bit
Power supply voltage	AC220V
Isolation voltage	Isolation between input, output and power supply, 2000V AC for 1 minute
Operating conditions	Temperature -20℃～+50℃, Humidity 0.1-0.9RH
Storage conditions	Temperature
Model Selection and Dimensions	DK22H8: 96×48mm Cutout Dimension: 92×44mm

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