Technical Parameters (EC20-0016ERN) Model: EC20-0016ERN Product Type: Digital Output Expansion Module Compatible PLC Series: EC20 Series PLC Output Points: 16 points (Relay outputs) Output Type: Relay (mechanical) Contact Rating: Typically 2A per point at 240V AC / 30V DC Maximum Switching Voltage: 250V AC / 30V DC Maximum Switching Current: 2A per point (resistive load) Minimum Load: 10mA at 5V DC (for reliable contact wetting) Maximum Inrush Current: 5A (for short duration, e.g., lamp loads) Contact Material: Silver alloy (typically AgSnO or AgCdO) Mechanical Life: 20 million operations (no load) Electrical Life: 100,000 operations at rated load Operate Time: <10ms typical Release Time: <5ms typical Isolation: 1500V AC between coil and contacts Common Groups: Typically grouped in commons of 8 or 16 (check specific wiring diagram) Output Protection: External fuse recommended for each common group Indicators: Green LED per output channel (on when output energized) Expansion Bus Connection: Via EC20 expansion connector (daisy-chain) Power Supply: Supplied from EC20 CPU via expansion bus (coil power) External Power: Contacts are dry (volt-free) - external power supply required for loads Power Consumption: Low power consumption for coil drive (typically <0.5W per energized relay) Terminals: Pluggable screw terminal blocks Wire Size: 0.2 - 2.5 mm² (24-12 AWG) 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. 130 mm x 50 mm x 100 mm (5.1" x 2.0" x 3.9") - typical EC20 expansion module size Weight: Approx. 0.2 kg (0.44 lbs) Standards: CE, UL (pending), RoHS, compliant with EC20 system specifications