Technical Parameters Electrical – Control Input (PLC Bus Side) Rated control supply voltage: 24 V DC ±10% (21.6 ~ 26.4 V DC) Single channel coil operating current: 22 mA DC Single channel coil power consumption: 0.53 W Pick-up voltage: ≤75% rated voltage (18 V DC) Drop-out voltage: ≥10% rated voltage (2.4 V DC) Built-in reverse polarity freewheeling diode per channel Input logic: Positive common (+COM shared anode, RO standard) Max continuous total input current of full module: 704 mA Electrical – Relay Output (Field Load Side) Relay model: RCL series monostable relay, 1CO (SPDT) potential-free contact Contact material: AgNi 90/10 alloy, anti-welding for resistive loads Rated AC continuous current per channel: 5 A / 250 V AC resistive Rated DC continuous current per channel: 5 A / 250 V DC resistive Peak inrush withstand current: 16 A (short-time valve/contactor startup) Minimum guaranteed switching load: 0.01 A / 10 V (low-current signal switching) Max switching frequency at full rated load: 0.1 Hz Mechanical service life (no load): 3 × 10⁷ cycles Electrical service life (5A 250VAC resistive): 1 × 10⁵ cycles Insulation & Dielectric Strength Isolation type: Reinforced galvanic isolation (control bus ↔ field output) Clearance / creepage distance between input & output: ≥5.5 mm Impulse withstand surge voltage (1.2/50μs): 6 kV Dielectric test voltage: 2500 V AC / 1 second Overvoltage category: III (control circuit), II (load circuit) Pollution degree: 2 Insulation resistance (500 V DC test): ≥1000 MΩ Connection Specifications PLC Bus Side: Multi-row standard flat ribbon bus header (compatible with 32-point PLC IO flat cables) Field Wiring Terminals (AO Axial Screw Clamp): Wire cross-section: Solid wire 0.2–2.5 mm², multi-strand wire 0.2–1.5 mm² Recommended wire stripping length: 7–8 mm Terminal tightening torque: 0.6–0.8 N·m Axial horizontal wiring layout, neat cabinet wiring arrangement Mechanical & Dimension Specs Mounting standard: TS35 / TS32 DIN top hat rail Overall dimensions (W × H × D): 365 mm × 109 mm × 68 mm Net weight: ~1250 g Housing material: Black flame-retardant PA66 plastic Vibration resistance: 10–55 Hz, 1.5 mm amplitude (IEC 60068-2-6) Shock resistance: 100 m/s², 6 ms duration (IEC 60068-2-27) Environmental Conditions Operating ambient temperature: -25 °C ~ +50 °C (derate load above 40°C) Storage & transport temperature: -40 °C ~ +60 °C Relative humidity: 5%–93% RH, non-condensing Max operating altitude: ≤ 2000 m above sea level Protection class: IP20 (indoor control cabinet installation only)