| Category | Parameter | Value |
|---|---|---|
| General | Product Function | 2-Channel RTD Input Module |
| Supply Voltage (L+) | 24 V DC (from power module) | |
| Reverse Polarity Protection | Yes | |
| Max. Input Current (L+) | 30 mA | |
| Max. Backplane Bus Current (3.3V) | 10 mA | |
| Typical Power Loss | 0.6 W | |
| Address Space per Module | 4 byte | |
| Analog Inputs | Number of Channels | 2 |
| Max. Permissible Input Voltage | 9 V | |
| Constant Measurement Current | 1.25 mA (typical) | |
| Max. Shielded Cable Length | 200 m | |
| Input Ranges | Resistance Thermometers | |
| Supported Types | Pt100/Pt200/Pt500/Pt1000, Ni100/Ni120/Ni200/Ni500/Ni1000, Cu10 | |
| Input Resistance (All Types) | 10 MΩ | |
| Resistors | 0–150Ω / 0–300Ω / 0–600Ω / 0–3000Ω | |
| Measurement | Principle | Sigma-Delta Integration |
| Max. Resolution | 16-bit (15-bit + sign for RTDs; 15-bit for resistors) | |
| Integration Time | 16.7 ms / 20 ms | |
| Interference Suppression | 50 Hz / 60 Hz | |
| Conversion Time per Channel | 50/60 ms (base) + 5 ms (wire break test) + 50/60 ms (3-wire compensation) | |
| Smoothing Options | None, Low, Medium, High | |
| Wiring | Supported Connections | 2-wire, 3-wire (with line resistance compensation), 4-wire |
| Accuracy | Basic Error Limit (@25°C) | ±0.1% of input range (RTDs) |
| Operational Error (Full Temp. Range) | ±0.15% of input range (RTDs) | |
| Diagnostics | Wire-Break Detection | Yes |
| Group Error Reporting | Yes | |
| Overflow/Underflow Alarm | Yes | |
| Status LED (SF) | Red (Group Error) | |
| Isolation | Channels to Backplane/L+ | Yes |
| Channels to Channels | No | |
| Isolation Test Voltage | 500 V DC | |
| Environmental | Operating Temperature | -25°C to +60°C |
| Max. Altitude | 5,000 m | |
| Relative Humidity | 100% (incl. condensation/frost; no commissioning when wet) | |
| Chemical Resistance | EN 60721-3-3 Class 3C4 (salt spray) | |
| Biological Resistance | EN 60721-3-3 Class 3B2 (mold/fungus) | |
| Dust/Sand Resistance | EN 60721-3-3 Class 3S4 | |
| Mechanical | Dimensions (W × H × D) | 15 × 81 × 52 mm |
| Weight | 40 g | |
| Certifications | CE Marking | Yes |
| Hazardous Area Approvals | ATEX, KC CCC-Ex, RCM ICCx |
SIPLUS ET 200S EM 2AI RTD HF based on 6ES7134-4NB51-0AB0 with conformal coating, -25…+60 °C,
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