Key Features
✔ 8-Channel Isolated Inputs – Prevents ground loops
✔ Multi-Signal Support – Voltage, current, RTD, and thermocouple
✔ High Resolution – 16-bit ADC (0.1% accuracy)
✔ Diagnostics – Wire break, overload detection
✔ Hot-Swappable – During operation (with active backplane bus)

3. Technical Specifications
3.1 Electrical Parameters
Parameter Specification
Input Channels 8 (galvanically isolated)
Signal Types ±10V, 0–20mA, 4–20mA, RTD (Pt100), TC (J/K)
Resolution 16-bit (±0.05% FS)
Conversion Time 50ms (per channel)
Common-Mode Rejection >120dB at 50Hz
3.2 Wiring & Connections
Terminal Type: Screw clamp (0.25–1.5mm²)

Sensor Supply: 24V DC (per channel, short-circuit protected)

Isolation Voltage: 500V AC (channel-to-channel and channel-to-bus)

3.3 Diagnostics & Status
LED Indicators:

Green (channel active)

Red (fault: wire break, overrange)

Software Alarms: Configurable in STEP 7

3.4 Mechanical & Environmental
Dimensions (W×H×D): 40 × 125 × 120 mm

Weight: 300g

Mounting: S7-300 DIN rail

Protection Class: IP20

Operating Temperature: 0°C to +60°C

4. Compatibility
✔ SIMATIC S7-300 PLCs (requires PS307 power supply)
✔ STEP 7 (V5.6+) or TIA Portal for configuration
✔ PROFIBUS-DP (via CPU interface)

5. Typical Applications
✔ Process Control – Pressure/temperature monitoring
✔ HVAC Systems – Energy management
✔ Water Treatment – pH/flow measurement
✔ Machine Tools – Force/position feedback