Basic Information

1. Model Name: KL3204 (Bus Terminal, 4-Channel Analog Input, Temperature, RTD (Pt100), 16 Bit)

2. Manufacturer: Beckhoff Automation (Germany)

3. Product Status: Regular Delivery

4. Mounting Method: 35mm DIN rail (EN 60715), IP20 protection

5. Dimensions: 12 mm × 100 mm × 68 mm; Weight: Approx. 70g

6. Power Supply: Powered via K-bus, typical current 60mA, no additional power contacts required

Core Technical Parameters

Table

Parameters
Specifications
Number of Channels
4 independent 2-wire RTDs Input
Supported Sensors
Pt100/200/500/1000, Ni100/120/1000, 10Ω~1.2/5kΩ Resistance Measurement
Temperature Range
Pt: -200~+850°C; Ni: -60~+250°C
Resolution
0.1°C / Digital; 16-bit Conversion Accuracy
Conversion Time
~250ms
Measurement Current
0.5mA (typical)
Measurement Error
<±1°C
Electrical Isolation
K-bus / Signal Interchange 500V
Diagnostic Functions
Open Circuit/Open Circuit Detection, Independent Fault LED for Each Channel
Operating Temperature
-25~+60°C; Storage: -40~+85°C
Certifications
CE, CCC, UL, ATEX, IECEx, DNV
Configuration and Wiring
• No manual DIP switch address setting required, configured via bus coupler (BKxxxx) or controller software
• Supports hard wiring / Flexible cord/lug, spring-loaded; optional KS3204 version with pluggable wiring

• Process imaging: 4×16bit data, optional 4×8bit control/status bits

Applications
• Multi-point temperature monitoring in industrial furnaces, pharmaceutical/food machinery, HVAC, semiconductor equipment, energy and chemical industries

• Temperature acquisition in hazardous areas (ATEX/IECEx Zone 2/22)