Universal Input Data Acquisition Module is an intelligent module integrating functions such as signal acquisition, transmission, DA output, communication, and alarm. Universal Input Data Acquisition Module features high measurement accuracy, excellent stability, a modular structure, flexible configuration, good linearity, and anti-interference capability.
Features
Supports input of 24 types of common industrial standard signals;
The transmission output mode is selectable, supporting two modes: measurement transmission and communication-given DA;
Equipped with RS485 communication, adopting the internationally standardized MODBUS RTU communication protocol;
Comes with a relay alarm module; the alarm mode is selectable (normally open, normally closed), and the relay control mode is selectable (supporting upper and lower limit alarms and communication DO control actions);
Compact size and easy installation, with standard 35mm DIN rail mounting;
Powered by DC24V (±0.1%) power supply;
Three-terminal isolation for signal input, power supply and transmission output, with an isolation voltage of 1500V AC.
Input Signal Types
K-type thermocouple; S-type thermocouple; R-type thermocouple;T-type thermocouple; E-type thermocouple; J-type thermocouple; B-type thermocouple; N-type thermocouple; WRe3-WRe25 thermocouple; WRe5-WRe26 thermocouple; 4～20mA current signal; 0～20mA current signal; Cu50 copper resistor; PT100 platinum resistor; 0～80Ω resistance signal; 0～400Ω resistance signal; 0～20mV voltage signal;
0～100mV voltage signal; 0～1V voltage signal; 1～5V voltage signal; 0～5V voltage signal; -20～+20mV voltage signal; -100～+100mV voltage signal; -5V～+5V voltage signal
Output
0-5V, 1-5V, 0-10V, 0-10mA, 0-20mA, 4-20mA
Communication
Photoelectrically isolated RS-485 communication interface
Alarm
1-channel relay output
Other Detailed Parameters
Input
Input Signal
Current
Voltage
Resistance
Thermocouple
Input Impedance
For current signals: ≤250Ω
For voltage signals: ≥500KΩ
For resistance signals: ≤0.25mA (Note: This parameter is typically current consumption for resistance signal input, consistent with industrial sensor parameter conventions)
For thermocouple signals: ≥500KΩ
Output
Output Signal
Current
Voltage
Relay
Allowable Load During Output
For current signals: ≤400Ω
For voltage signals: ≥250KΩ
For relay signals: AC120V/1A, DC30V/1A
Comprehensive Parameters
Comprehensive Measurement Accuracy
0.001FS ±1 digit
AD Accuracy
22 bits
AD Speed
13 SPS (Samples Per Second)
Transmission Accuracy
16 bits
DA Speed
10M SPS (Mega Samples Per Second)
Isolation Voltage
1500V AC for 1 minute between input, output, and power supply
Temperature Drift
50ppm (parts per million)
Electromagnetic Compatibility (EMC)
GB/T 18268 (equivalent to IEC 61326-1)
Operating Environment
Ambient Temperature: 0～50℃
Relative Humidity: ≤0.85% RH
Avoid exposure to highly corrosive gases
Power Supply
DC24V (±0.1V) (Note: Supplementary unit "V" for clarity, consistent with industrial power parameter expression)
Power Consumption:≤1.7W
Overall Dimensions
Width × Height × Depth:22.5 × 100 × 112 mm
Structure:35mm DIN Rail Mounting
Model Selection Examples
The customer requires a WRe325 thermocouple for signal input, a 4-20mA transmitted signal for output, a relay for alarm purposes (with a lower alarm temperature of 750°C and an upper alarm temperature of 1850°C), and a manual programmer.
The selected model is as follows:
DK1000-WRE325-4MA20-A-Y-AL:750-AH:1850
The customer requires a PT100 thermal resistor for signal input, a 0-10V voltage signal for output (used as a communication-given DA), and a relay for communication-given switching output IO contacts. Other parameters are default.
The selected model is as follows:
DK1000-PT100-0V10-D
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