Technical Parameters (EC10-4AD) Model: EC10-4AD Product Type: Analog Input Expansion Module Compatible PLC Series: EC10 Series PLC Number of Channels: 4 differential inputs or 8 single-ended (depending on configuration) Input Types: Voltage or Current (selectable per channel or globally) Input Ranges: Voltage: 0-10V DC, 0-5V DC, ±10V DC, ±5V DC (programmable) Current: 0-20mA, 4-20mA (with external resistor or internal shunt) Resolution: 12-bit to 16-bit (typical, depending on range and model) Accuracy: ±0.5% to ±1.0% of full scale (typical) Conversion Speed: Fast conversion per channel (typical <10ms per channel) Input Impedance: Voltage mode: >100kΩ Current mode: 250Ω (typical, with external resistor) Isolation: Photocoupler isolation between analog input and PLC internal circuits Data Format: Digital value in PLC registers (typically 0-4000, 0-16000, or 0-32000 depending on resolution) Indicators: Power LED, module status LED Expansion Bus Connection: Via EC10 expansion connector (daisy-chain) Power Supply: Supplied from EC10 CPU via expansion bus (typically 5V DC and 24V DC) Power Consumption: Low power consumption (typically <1W) Terminals: Pluggable screw terminal blocks Protection Class: IP20 (requires enclosure for installation) Operating Temperature: 0°C to +55°C Storage Temperature: -20°C to +70°C Humidity: 5% to 95% RH (non-condensing) Dimensions (H x W x D): Approx. 90 mm x 50 mm x 70 mm (3.5" x 2.0" x 2.8") - typical expansion module size Weight: Approx. 0.1 kg (0.22 lbs) Standards: CE, RoHS, compliant with EC10 system specifications