Specifications Main product range Zelio Logic product function Discrete I/O expansion module Complementary number of control scheme lines 120 with ladder programming cycle time 6…90 ms backup time 10 years at 25°C clock drift 12 min/year at 0…55 °C Checks Program memory on each power up [Us] supply voltage 12 V DC supply voltage limits 10.4…14.4 V reverse polarity protection With number of digital inputs 8 in accordance with IEC 61131-2 Type 1 digital input type Resistive digital input voltage 12 V DC digital input current 4 mA counting frequency 1 kHz for digital input voltage state 1 guaranteed >= 7 V for IB to IG used as digital input circuit >= 5.6 V for digital input circuit I1 to IA and IH to IR voltage state 0 guaranteed <= 3 V for IB to IG used as digital input circuit <= 2.4 V for digital input circuit I1 to IA and IH to IR Current status 1 guaranteed >= 2 mA (digital input circuit I1 to IA and IH to IR) >= 0.5 mA (IB to IG used as digital input circuit) Current status 0 guaranteed <= 0.2 mA (IB to IG used as digital input circuit) <= 0.9 mA (digital input circuit I1 to IA and IH to IR) digital input compatibility 3-wire PNP proximity switches for digital input input impedance 14 kOhm for IB to IG used as digital input circuit 2.7 kOhm for digital input circuit I1 to IA and IH to IR number of outputs 6 relays output voltage limits 24...250 V AC (relay output) 5...30 V DC (relay output) description of NO contacts for relay output output thermal current 5 A for 2 outputs for relay output 8 A for 4 outputs for relay output electrical lifespan AC-15: 500000 cycles at 230 V, 0.9 A for relay output conforming to IEC 60947-5-1 AC-12: 500000 cycles at 230 V, 1.5 A for relay output conforming to IEC 60947-5-1 DC-13: 500000 cycles at 24 V, 0.6 A for relay output conforming to IEC 60947-5-1 DC-12: 500000 cycles at 24 V, 1.5 A for relay output conforming to IEC 60947-5-1 switching power in mA >= 10 mA at 12 V (relay output) availability rate in Hz 0.1 Hz (at rated current) for relay output 10 Hz (no load) for relay output mechanical lifespan 10000000 cycles for relay output [Uimp] rated impulse withstand voltage 4 kV conforming to EN/IEC 60947-1 and EN/IEC 60664-1 response time 10 ms (from phase 0 to phase 1) for relay output 5 ms (from phase 1 to phase 0) for relay output connection method Screw terminals, 1 x 0.25 to 1 x 2.5 mm² (AWG 24...AWG 14) flexible with end cap Screw terminals, 2 x 0.25 to 2 x 0.75 mm² (AWG 24 to AWG 18) flexible with end cap 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) rigid Screw terminals, 2 x 0.2 to 2 x 1.5 mm² (AWG 24 to AWG 16) rigid tightening torque 0.5 N.m overvoltage category III according to IEC 60664-1 weight 0.22 kg