Main characteristics of the Zelio Schneider PLC reference SR2A101BD: Range: Zelio Logic Type of product or equipment: Compact intelligent relay Additional local display: With number of control diagram lines: 0?240 with ladder programming cycle time: 6? 90 ms backup time: 10 years at 25 °C Clock drift: 12 min/year at 0?55 °C6 s/month at 25 °C checks: Program memory at each power-up [Us] voltage d power supply: 24 V DC Limits of the supply voltage: 19.2?30 V maximum supply current: 100 mA (without extension) power dissipated in W: 3 W without extension reverse polarity protection: With number of digital inputs: 6 comply with EN/IEC 61131-2 type 1 Digital input type: Resistive digital input voltage: 24 V DC digital input current: 4 mA counting frequency: 1 kHz for digital input guaranteed state 1 voltage: >= 15 V for digital input circuit I1 to IA and IH to IR>= 15 V for IB to IG used as digital input circuit guaranteed state 0 voltage: <= 5 V for digital input circuit I1 to IA and IH to IR<= 5 V for IB to IG used as digital input circuit current state 1 guaranteed: >= 1.2 mA (IB to IG used as digital input circuit) >= 2.2 mA (input circuit digital I1 to IA and IH to IR) current state 0 guaranteed: <= 0.5 mA (IB to IG used as digital input circuit) <= 0.75 mA (digital input circuit I1 to IA and IH to IR) digital input compatibility: 3-wire PNP proximity switches for digital input input impedance: 12 kOhm for IB to IG used as analog input circuit12 kOhm for IB to IG used as digital input circuit7, 4 kOhm for digital input circuit I1 to IA and IH to IR Number of outputs: 4 relays output voltage limits: 24...250 V AC (relay output) 5...30 V DC (relay output) description of contacts: "F" for relay output thermal current output: 8 A for the 4 outputs for relay output electrical life: AC-12: 500000 cycles at 230 V, 1.5 A for relay output conform to EN /IEC 60947-5-1AC-15: 500000 cycles at 230 V, 0.9 A for relay output conforming to EN/IEC 60947-5-1DC-12: 500000 cycles at 24 V, 1.5 A for relay output conforming to EN/IEC 60947-5-1DC-13: 500000 cycles at 24 V, 0.6 A for relay output conforming to EN/IEC 60947-5-1 switching capacity in mA: >= 10 mA at 12 V (relay output) availability rate in Hz: 0.1 Hz (at nominal current) for relay output 10 Hz (no load) for relay output mechanical life: 10000000 cycles for relay output [Uimp] rated impulse withstand voltage : 4 kV conforming to EN/IEC 60947-1 and EN/IEC 60664-1 clock: Without response time: 10 ms (from phase 0 to phase 1) for relay output5 ms (from phase 1 to phase 0) for output relay Connection method: Screw terminals, 1 x 0.2 to 1 x 2.5 mm² (AWG 25 to AWG 14) semi-solid Screw terminals, 1 x 0.2 to 1 x 2.5 mm² (AWG 25 to AWG 14) rigidScrew terminals, 1 x 0.25 to 1 x 2.5 mm² (AWG 24?AWG 14) flexible with ferruleScrew terminals, 2 x 0.2 to 2 x 1.5 mm² (AWG 24 to AWG 16) ) rigid Screw terminals, 2 x 0.25 to 2 x 0.75 mm² (AWG 24 to AWG 18) flexible with end Tightening torque: 0.5 N.m Overvoltage category: III conforming to EN/IEC 60664-1 Weight of product: 0.25 kg