Schneider Electric Zelio Logic Compact Smart Relay 12 I/O 24V DC Clock Display SR2B121BD
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Brand : Schneider Electric
Type : Compact Smart Relay
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Description
Schneider Electric SR2B121BD Zelio Logic Compact Smart Relay uses a supply voltage of 24V DC. It has 12 inputs/outputs with screw terminals, and has an integrated clock and LCD display. The compact design allows installation on a DIN rail. It also offers easy programming, viewing and troubleshooting, display, and navigation buttons. The simple ladder programming makes it also suitable for non-professionals.
Features
- It uses a supply voltage of 24V DC
- Offers easy programming, viewing and troubleshooting, display, and navigation buttons.
- It has 12 inputs/outputs with screw terminals and has an integrated clock and LCD display
| Brand | Schneider Electric |
| Item Name | Compact Smart Relay |
| Model | SR2B121BD |
| Rated Impulse Withstand Voltage | 4 kV conforming to EN/IEC 60947-1 and EN/IEC 60664-1 |
| Rated Supply Voltage | 24 V DC |
| Ambient Air Temperature For Storage | -40-70 °C |
| 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 |
| IP Degree Of Protection | IP20 (terminal block) conforming to IEC 60529, IP40 (front panel) conforming to IEC 60529 |
| Mechanical Durability | 10000000 cycles for relay output |
| Operating Altitude | 2000 m |
| Output Voltage Limits | 24...250 V AC (relay output), 5...30 V DC (relay output) |
| Overvoltage Category | III conforming to EN/IEC 60664-1 |
| Pollution Degree | 2 Conforming to EN/IEC 61131-2 |
| Power Dissipation in W | 3 W without extension |
| Tightening Torque | 0.5 N.m |
| Certifications | GOST, UL, CSA, C-Tick, GL |
| Range Of Product | Zelio Logic |
| Relative Humidity | 95-95 % without condensation or dripping water |
| Supply Voltage Limits | 19.2-30 V |
| Contacts Type And Composition | NO for relay output |
| Number Or Control Scheme Lines | 0-240 with ladder programming, 0-500 with FBD programming |
| Clock Drift | 12 min/year at 0-55 °C, 6 s/month at 25-25 °C |
| Immunity To Microbreaks | 1 ms |
| Discrete Input Current | 4 mA |
| Current State 1 Guaranteed | >= 1.2 mA (IB...IG used as discrete input circuit), >= 2.2 mA (I1...IA and IH...IR discrete input circuit) |
| 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 |
| Maximum Supply Current | 100 mA (without extension) |
| Switching Capacity in mA | >= 10 mA at 12 V (relay output) |
| Maximum Altitude Transport | 3048 m |
| Cycle Time | 6-90 ms |
| Checks | Program memory on each power-up |
| Disturbance Radiated/conducted | Class B conforming to EN 55022-11 group 1 |
| Output Thermal Current | 8 A for all 4 outputs for relay output |
| Discrete Input Voltage | 24 V DC |
| Backup Time | 10 years at 25 °C |
| Clock | With |
| Local Display | With |
| 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 0 Guaranteed | <= 0.5 mA (IB...IG used as discrete input circuit), <= 0.75 mA (I1...IA and IH...IR discrete input circuit) |
| Operating Rate in Hz | 0.1 Hz (at Ie) for relay output, 10 Hz (no load) for relay output |
| Discrete Input Number | 12 conforming to EN/IEC 61131-2 type 1 |
| Temperature Probe Type | NTC 10k at 25 °C, NTC 1000k at 25 °C, KTY81 210/220/221/222/250, Pt 500 |
| Input Compatibility | 3-wire proximity sensors PNP for discrete input |
| Discrete Input Type | Resistive |
| Analogue Input Resolution | 8 bits |
| Analogue Input Number | 4 |
| Analogue Input Type | Common Mode |
| Repeat Accuracy | +/- 2 % at 55 °C for analogue input circuit |
| Conversion Error | +/- 5 % at 25 °C for analogue input circuit, +/- 6.2 % at 55 °C for analogue input circuit |
| LSB Value | 39 mV for analogue input circuit |
| Reverse Polarity Protection | With |
| Maximum Permissible Voltage | 30 V for analogue input circuit |
| Analogue Input Range | 0...10 V, 0...24 V |
| Conversion Time | Smart relay cycle time for analogue input circuit |
| Operating Distance | 10 m between stations, with screened cable (sensor not isolated) for analogue input circuit |
| Counting Frequency | 1 kHz for discrete input |
| 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 |
| Standards | EN/IEC 61000-4-12, EN/IEC 61000-4-4 level 3, EN/IEC 61000-4-5, EN/IEC 61000-4-11, EN/IEC 61000-4-2 level 3, EN/IEC 60068-2-6 Fc, EN/IEC 61000-4-6 level 3, EN/IEC 60068-2-27 Ea, EN/IEC 61000-4-3 |
| 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 |
| Input Impedance | 12 kOhm for IB...IG used as analogue input circuit, 12 kOhm for IB...IG used as discrete input circuit, 7.4 kOhm for I1...IA and IH...IR discrete input circuit |
| 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 |
| Weight | 0.25 kg |
