Main range of productZelio Logic product or component typeCompact smart relay Complementary local displayWith number or control scheme lines0...500 with FBD programming0...240 with ladder programming cycle time6...90 ms backup time10 years at 25 °C clock drift6 s/month at 25 °C12 min/year at 0...55 °C checksProgram memory on each power up [Us] rated supply voltage24 V DC supply voltage limits19.2...30 V supply current100 mA (without extension) power dissipation in W3 W without extension reverse polarity protectionWith discrete input number8 conforming to EN/IEC 61131-2 type 1 discrete input typeResistive discrete input voltage24 V DC discrete input current4 mA counting frequency1 kHz for discrete input voltage state 1 guaranteed>= 15 V for I1...IA and IH...IR discrete input circuit>= 15 V for IB...IG used as discrete input circuit voltage state 0 guaranteed<= 5 V for I1...IA and IH...IR discrete input circuit<= 5 V for IB...IG used as discrete input circuit current state 1 guaranteed>= 1.2 mA for IB...IG used as discrete input circuit>= 2.2 mA for I1...IA and IH...IR discrete input circuit current state 0 guaranteed<= 0.75 mA for I1...IA and IH...IR discrete input circuit input compatibility3-wire proximity sensors PNP (discrete input) analogue input number4 analogue input typeCommon mode analogue input range0...10 V0...24 V maximum permissible voltage30 V (analogue input circuit) analogue input resolution8 bits LSB value39 mV (analogue input circuit) conversion timeSmart relay cycle time for analogue input circuit conversion error+/- 5 % at 25 °C for analogue input circuit+/- 6.2 % at 55 °C for analogue input circuit repeat accuracy+/- 2 % at 55 °C for analogue input circuit operating distance10 m between stations, with screened cable (sensor not isolated) for analogue input circuit input impedance12 kOhm (IB...IG used as analogue input circuit)12 kOhm (IB...IG used as discrete input circuit)7.4 kOhm (I1...IA and IH...IR discrete input circuit) number of outputs4 transistor output(s) output voltage24 V (transistor output) output voltage limits19.2...30 V DC (transistor output) load current0.5...0.625 A (transistor output) [Ures] residual voltage<= 2 V at state 1 (transistor output) overload protectionWith, transistor output short-circuit protectionWith transistor output overvoltage protectionWith, transistor output clockWith response time<= 1 ms (from state 0 to state 1) for transistor output<= 1 ms (from state 1 to state 0) for transistor output connections - terminalsScrew terminals, clamping capacity: 1 x 0.2...1 x 2.5 mm² AWG 25...AWG 14 semi-solidScrew terminals, clamping capacity: 1 x 0.2...1 x 2.5 mm² AWG 25...AWG 14 solidScrew terminals, clamping capacity: 1 x 0.25...1 x 2.5 mm² AWG 24...AWG 14 flexible with cable endScrew terminals, clamping capacity: 2 x 0.2...2 x 1.5 mm² AWG 24...AWG 16 solidScrew terminals, clamping capacity: 2 x 0.25...2 x 0.75 mm² AWG 24...AWG 18 flexible with cable end tightening torque0.5 N.m overvoltage categoryIII conforming to EN/IEC 60664-1 product weight0.22 kg Environment immunity to microbreaks<= 1 ms product certificationsCSAC-TickGLGOSTUL standardsEN/IEC 60068-2-27 EaEN/IEC 60068-2-6 FcEN/IEC 61000-4-11EN/IEC 61000-4-12EN/IEC 61000-4-2 level 3EN/IEC 61000-4-3EN/IEC 61000-4-4 level 3EN/IEC 61000-4-5EN/IEC 61000-4-6 level 3 IP degree of protectionIP20 (terminal block) conforming to IEC 60529IP40 (front panel) conforming to IEC 60529 environmental characteristicEMC directive conforming to EN/IEC 61000-6-2EMC directive conforming to EN/IEC 61000-6-3EMC directive conforming to EN/IEC 61000-6-4EMC directive conforming to EN/IEC 61131-2 zone BLow voltage directive conforming to EN/IEC 61131-2 disturbance radiated/conductedClass B conforming to EN 55022-11 group 1 pollution degree2 conforming to EN/IEC 61131-2 ambient air temperature for operation-20...40 °C in non-ventilated enclosure conforming to IEC 60068-2-1 and IEC 60068-2-2-20...55 °C conforming to IEC 60068-2-1 and IEC 60068-2-2 ambient air temperature for storage-40...70 °C operating altitude2000 m altitude transport<= 3048 m relative humidity95 % without condensation or dripping water Contractual warranty Warranty period18 months
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CatalogueSizeAdd to My DocumentsUser guideSizeAdd to My DocumentsCADSizeAdd to My DocumentsCompact smart relays with display 12 V DC or 24 V DC or 24 V AC or 100 to 240 V AC (Version 1.1)CAD files for SR2B122BD: Compact smart relay Zelio Logic - 12 I O - 24 V DC - clock - display (Version 1.0)CertificateSizeAdd to My DocumentsInstruction sheetSizeAdd to My DocumentsDeclaration of conformitySizeAdd to My DocumentsEnd of Life InformationSizeAdd to My DocumentsMarine certificateSizeAdd to My Documents
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Dimensions DrawingsCompact and Modular Smart RelaysMounting on 35 mm/1.38 in. DIN Rail(1)With SR2USB01 or SR2BTC01Screw Fixing (Retractable Lugs)(1)With SR2USB01 or SR2BTC01Position of Display
Connections and SchemaCompact and Modular Smart RelaysConnection of Smart Relays on DC Supply(1)1 A quick-blow fuse or circuit-breaker.(2)Fuse or circuit-breaker.(3)Inductive load.(4)Q9 and QA: 5 A (max. current in terminal C: 10 A).Discrete Input Used for 3-Wire Sensors(1)1 A quick-blow fuse or circuit-breaker.
Performance CurvesCompact and Modular Smart RelaysElectrical Durability of Relay Outputs
(in millions of operating cycles, conforming to IEC/EN 60947-5-1)
DC-12 (1)X:Current (A)Y:Millions of operating cycles(1)DC-12: control of resistive loads and of solid state loads isolated by opto-coupler, L/R ≤ 1 ms.
DC-13 (1)X:Current (A)Y:Millions of operating cycles(1)DC-13: switching electromagnets, L/R ≤ 2 x (Ue x Ie) in ms, Ue: rated operational voltage, Ie: rated operational current (with a protection diode on the load, DC-12 curves must be used with a coefficient of 0.9 applied to the number in millions of operating cycles).