Schneider Electric
Zelio Logic compact smart relay - 12 I O - 24 V DC - clock - display - SR2B121BD
In stock
SKU
SR2B121BD
Details
This Zelio Logic SR2 compact smart relay / programmable controller uses a supply voltage of 24V direct current.
It has 12 inputs / outputs with screw-clamp terminals, has an integrated clock and LCD display.
It has compact design, allowing installation on DIN rail.
It also offers simple programming, display and diagnosing of malfunctions display and navigation buttons.
Its simple ladder programming makes it adapted for non-specialists.
More Information
Attribute | Value |
---|---|
SKU | SR2B121BD |
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 | >= 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 |
cycle time | 6-90 ms |
range of product | Zelio Logic |
product or component type | Relay & Power Supply |
net weight | 0.25 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 DC |
analogue input type | common mode |
immunity to microbreaks | 1 ms |
repeat accuracy | +/- 2 % at 55 °C for analogue input circuit |
input compatibility | 3-wire proximity sensors PNP for discrete input |
backup time | 10 years at 25 °C |
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 |
analogue input range | 0...10 V, 0...24 V |
conversion error | +/- 5 % at 25 °C for analogue input circuit, +/- 6.2 % at 55 °C for analogue input circuit |
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 |
analogue input resolution | 8 bits |
reverse polarity protection | with |
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 |
power dissipation in W | 3 W without extension |
output voltage limits | 5...30 V DC (relay output), 24...250 V AC (relay output) |
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 | 10 ms (from state 0 to state 1) for relay output, 5 ms (from state 1 to state 0) for relay output |
contacts type and composition | NO for relay output |
supply voltage limits | 19.2-30 V |
number of outputs | 4 relay |
discrete input voltage | 24 V DC |
discrete input type | resistive |
discrete input number | 8 conforming to EN/IEC 61131-2 type 1 |
analogue input number | 4 |
maximum permissible voltage | 30 V for analogue input circuit |
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 |
disturbance radiated/conducted | class B conforming to EN 55022-11 group 1 |
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 |
discrete input current | 4 mA |
clock | with |
local display | with |
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) |
maximum supply current | 100 mA (without extension) |
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 |
LSB value | 39 mV for analogue input circuit |
counting frequency | 1 kHz for discrete input |
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