High Precision and Low Temperature Drift, Compatible with 2-Wire and 3-Wire Inputs. 7 Types of Output Signals Optional.

Features

Compatible with 2-wire and 3-wire inputs;

Transmission accuracy higher than 0.001;

Low temperature drift with precise voltage source design;

Data conversion accuracy: 20-bit AD resolution;

One-input-to-two-output configuration supporting different output types;

01/

Input

4～20mA

0～10mA

0～20mA

02/

Output

0-5V

1-5V

0-10V

2-10V

0-10mA

0-20mA

4-20mA

03/

Communication

Photoelectrically isolated RS-485 communication interface

04/

Alarm

Open-circuit alarm

Other Detailed Parameters

Parameter Category	Specific Parameters
AD Accuracy	22-bit
Input Impedance	<60Ω
Power Supply Voltage/Current	24V / 25mA
DA Accuracy	16-bit
Output Voltage/Load Resistance	0-5V, 1-5V / RL > 120KΩ
Output Current/Load Resistance	0-20mA, 4-20mA / RL ≤ 650Ω
Power Supply Voltage	DC
Power Supply Protection	Reverse polarity protection and ESD protection
Power Consumption	<2.7W (when powered by 24V, with 20mA output)
Measurement Accuracy (20℃)	0.001 FS
Temperature Drift (0℃~50℃)	50PPM/℃
Dielectric Strength	2000V AC for 1 minute (between input, output, and power supply)
Electromagnetic Compatibility	IEC61326-1
Operating Ambient Temperature	-20℃~50℃
Applicable On-site Equipment	2-wire and 3-wire transmitters
Model Selection & Dimensions	Dimensions (Width × Height × Depth): 17.5mm × 99mm × 114.5mm Installation: 35mm DIN rail mounting
Model Selection Example	For example: If 1 channel of 0-10mA input, 1 channel of 4-20mA output, and output upper limit when input is open-circuited are required, the model code is: DK3030-IN:0MA10-OUT:4MA20-AM:1