XNE-8AI-U/I-4PT/NI Analog Input Module – Technical Specifications
General Specifications
Model: XNE-8AI-U/I-4PT/NI

Type: 8-channel universal analog input module

Mounting: DIN rail (35mm, compliant with EN 60715)

Dimensions (W×H×D): 22.5 × 99 × 114 mm

Weight: ~200g

Isolation: Channel-to-channel & field-to-logic (600V AC)

Input Signal Specifications
Signal Type Range Resolution Accuracy Input Impedance
Voltage (U) 0-10V, ±10V 16-bit ±0.1% FS ≥1MΩ
Current (I) 0-20mA, 4-20mA 16-bit ±0.1% FS 250Ω (built-in shunt)
RTD (4PT) Pt100, Pt1000 (2/3/4-wire) 16-bit ±0.2°C Excitation: 0.5mA
Thermocouple (NI) J/K/T/E types 16-bit ±0.5°C Cold-junction compensated
Performance & Electrical Characteristics
Sampling Rate: 50Hz per channel (all channels active)

Overvoltage Protection: 30V continuous (voltage/current inputs)

Common-Mode Rejection: >120dB @ 50/60Hz

Noise Rejection: 10Hz digital filtering (configurable)

Power Supply: 24V DC (±10%), ≤5W consumption

Environmental & Mechanical Ratings
Operating Temp: -20°C to +60°C

Storage Temp: -40°C to +85°C

Humidity: 5-95% RH (non-condensing)

Vibration Resistance: 5g (10-150Hz, IEC 60068-2-6)

Shock Resistance: 50g (11ms, IEC 60068-2-27)

Protection Class: IP20 (module), IP40 (with enclosure)

Certifications & Compliance
Safety: UL 61010-1, EN 61131-2

EMC: EN 61326-1 (Industrial immunity/emission)

RoHS: Compliant (2011/65/EU)

CE Marked: Yes

Additional Features
✅ Automatic sensor detection (voltage/current/RTD/TC)
✅ Open-circuit detection (for 4-20mA & RTD inputs)
✅ Configurable alarm thresholds (per channel)
✅ Hot-swappable (during operation)
✅ LED diagnostics (per-channel status & power)

Ordering Information
Base Model: XNE-8AI-U/I-4PT/NI

Accessories:

Terminal block adapters (for RTD/TC wiring)

DIN rail end clamps

Configuration software license