Zelio Logic compact smart relay - 12 I O - 24 V AC - clock - no display - SR2E121B
This product is part of the Zelio Logic range, an offer of smart relays for simple automation systems from 10 to 40 I/Os.
The compact smart relay provides a real alternative to solutions based on cabled logic or specific cards.
It comes without display and clock.
Checks program memory on each power up and 0 to 240 with ladder programming number or control scheme lines.
Easy to use, Zelio Logic provides a real alternative to solutions based on cabled logic or specific cards It offers 8 relay outputs with normally opened contact and 8 discrete inputs.
It is a smart relay with a rated supply voltage of 24V AC, a maximum supply current of 145mA (without extension) and a power consumption of 4VA without extension.
It is an IP20 and IP40 rated product.
It weighs 0.22kg.
This product meets EN/IEC 61000-4-6 level 3, EN/IEC 60068-2-27 Ea, EN/IEC 61000-4-11, EN/IEC 60068-2-6 Fc, EN/IEC 61000-4-4 level 3, EN/IEC 61000-4-5, EN/IEC 61000-4-3, EN/IEC 61000-4-2 level 3 and EN/IEC 61000-4-12 standards.
Simple to select, install and program, Zelio Logic is suitable for all your applications.
Flexible, it offers you the choice of 2 ranges, compact or modular, extendable and 2 programming languages (FBD or LADDER).
Easy to use, Zelio Logic provides a real alternative to solutions based on cabled logic or specific cards.
| Attribute | Value |
|---|---|
| SKU | SR2E121B |
| product certifications | GL, GOST, CSA, UL, C-Tick |
| relative humidity | 95-95 % without condensation or dripping water |
| ambient air temperature for storage | -40-70 °C |
| overvoltage category | III conforming to EN/IEC 60664-1 |
| pollution degree | 2 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 |
| environmental characteristic | EMC directive conforming to EN/IEC 61000-6-2, EMC directive conforming to EN/IEC 61000-6-3, EMC directive conforming to EN/IEC 61000-6-4, EMC directive conforming to EN/IEC 61131-2 zone B, low voltage directive conforming to EN/IEC 61131-2 |
| current state 1 guaranteed | >= 2 mA (discrete input) |
| voltage state 1 guaranteed | >= 14 V for discrete input |
| cycle time | 6-90 ms |
| range of product | Zelio Logic |
| product or component type | Relay & Power Supply |
| net weight | 0.22 kg |
| standards | EN/IEC 61000-4-12, EN/IEC 61000-4-4 level 3, EN/IEC 61000-4-6 level 3, EN/IEC 61000-4-3, EN/IEC 61000-4-2 level 3, EN/IEC 61000-4-5, EN/IEC 61000-4-11, EN/IEC 60068-2-6 Fc, EN/IEC 60068-2-27 Ea |
| mechanical durability | 10000000 cycles for relay output |
| range | Smart Relay |
| [Us] rated supply voltage | 24 V AC |
| immunity to microbreaks | 10 ms repeated 20 times |
| backup time | 10 years at 25 °C |
| voltage state 0 guaranteed | <= 5 V for discrete input |
| connections - terminals | screw terminals, 1 x 0.2...1 x 2.5 mm² (AWG 25...AWG 14) semi-solid, screw terminals, 1 x 0.2...1 x 2.5 mm² (AWG 25...AWG 14) solid, screw terminals, 1 x 0.25...1 x 2.5 mm² (AWG 24...AWG 14) flexible with cable end, screw terminals, 2 x 0.2...2 x 1.5 mm² (AWG 24...AWG 16) solid, screw terminals, 2 x 0.25...2 x 0.75 mm² (AWG 24...AWG 18) flexible with cable end |
| output voltage limits | 5...30 V DC (relay output), 24...250 V AC |
| operating altitude | 2000 m |
| IP degree of protection | IP20 (terminal block) conforming to IEC 60529, IP40 (front panel) conforming to IEC 60529 |
| tightening torque | 0.5 N.m |
| electrical durability | AC-12: 500000 cycles at 230 V, 1.5 A for relay output conforming to EN/IEC 60947-5-1, AC-15: 500000 cycles at 230 V, 0.9 A for relay output conforming to EN/IEC 60947-5-1, DC-12: 500000 cycles at 24 V, 1.5 A for relay output conforming to EN/IEC 60947-5-1, DC-13: 500000 cycles at 24 V, 0.6 A for relay output conforming to EN/IEC 60947-5-1 |
| response time | 50 ms with ladder programming (from state 0 to state 1) for discrete input, 50 ms with ladder programming (from state 1 to state 0) for discrete input, 50...255 ms with FBD programming (from state 0 to state 1) for discrete input, 50...255 ms with FBD programming (from state 1 to state 0) for discrete input, 10 ms (from state 0 to state 1) for relay output, 5 ms (from state 1 to state 0) for relay output |
| protection type | against inversion of terminals (control instructions not executed) |
| supply frequency | 50/60 Hz |
| contacts type and composition | NO for relay output |
| supply voltage limits | 20.4-28.8 V |
| number of outputs | 8 relay |
| discrete input voltage | 24 V AC |
| discrete input number | 8 |
| input impedance | 4.6 kOhm for discrete input |
| disturbance radiated/conducted | class B conforming to EN 55022-11 group 1 |
| discrete input frequency | 57...63 Hz, 47...53 Hz |
| output thermal current | 8 A for all 4 outputs for relay output |
| number or control scheme lines | 0-500 with FBD programming, 0-240 with ladder programming |
| clock drift | 12 min/year at 0-55 °C, 6 s/month at 25-25 °C |
| power consumption in VA | 4 VA without extension |
| discrete input current | 4.4 mA |
| clock | with |
| local display | without |
| current state 0 guaranteed | <= 0.5 mA (discrete input) |
| maximum supply current | 145 mA (without extension) |
| isolation voltage | 1780 V |
| switching capacity in mA | >= 10 mA at 12 V (relay output) |
| operating rate in Hz | 0.1 Hz (at Ie) for relay output, 10 Hz (no load) for relay output |
| maximum altitude transport | 3048 m |
| checks | program memory on each power up |
