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These pieces of information provide clear guidance for understanding the configuration, alarm mechanism, and importance of redundant wiring of Tricon power modules.
BEIJER UCT-31.230｜Industrial Grade Remote I/O Module｜
UCT-31.230 Remote I/O Module
Belonging to the Beier UCT series, the UCT-31.230 is designed to meet the automation demand of “centralized control + decentralized acquisition”. It minimizes the wiring between field devices and controllers while enhancing system flexibility.
Typical Applications
Distributed sensor signal acquisition for manufacturing production lines (photoelectric, proximity switches, etc.)
Remote temperature and pressure data upload for HVAC systems
Remote transmission of switch/analog signals for on-site equipment such as water treatment and energy monitoring
Expansion of I/O points when used with Beier X2 series HMIs or third-party PLCs (Siemens, Schneider, Rockwell, etc.)
1. Hardware Specifications & Interface Configuration
1.1 Signal Type and I/O Channels
Digital Inputs (DI)
16 channels
PNP/NPN configurable (compatible with common sensor signals)
Input voltage: 24 VDC (industrial standard)
Typical input current: 3 mA/channel
Response time: ≤ 1 ms
Digital Outputs (DO)
8 channels
Transistor (MOSFET) output, suitable for small actuators (relays, indicator lights, small solenoid valves)
Output voltage: 24 VDC (matched to input voltage)
Max. output current: 0.5 A/channel, 4 A total
Built-in overcurrent and short-circuit protection
1.2 Communication Interface
Protocol: Modbus RTU (RS-485 physical layer)
Physical port: 1 × RS-485 differential (with isolation protection, 2-wire A/B)
Baud rate: configurable 9 600–115 200 bps (default 9 600 bps)
1.3 Power Supply & Electrical Characteristics
Input voltage: 24 VDC (18–32 VDC wide range)
Typical power consumption: ≤ 5 W
2.5 kV isolation between communication and power/I/O (IEC 61010)
BEIJER UCT-31.230｜Industrial Grade Remote I/O Module｜
2. Mechanical & Environmental Adaptability
2.1 Mechanical Structure
DIN-rail installation (35 mm standard)
Compact size ≈120 × 75 × 60 mm (typical, refer to official manual)
Protection level: IP20 (for installation inside control cabinets)
2.2 Environmental Tolerance
Operating temperature: –20 °C ~ +60 °C
Storage temperature: –40 °C ~ +85 °C
Humidity: 5–95 % RH (non-condensing)
EMC: EN 61000-6-2 (immunity), EN 61000-6-4 (emission)
Vibration: 50 Hz, amplitude 0.15 mm (IEC 60068-2-6)
Shock: 10 g, half sine, 11 ms (IEC 60068-2-27)
By structuring the information in this manner, the article provides a clear and organized understanding of input channels, transducer supply, and communication implementations in distributed control systems.
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