Telemecanique SR2B121BD Compact smart relay, Zelio Logic, 12 I/O, 24 V DC, clock, display
Code: SCHSR2B121BD
Unit of measure:
EACH
Description
PLC W/DIS+CLK 24VDC 8D-4A IN/4RELAY OUT
Technical Specifications
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| Relative humidity | 95-95 % without condensation or dripping water |
| [Us] rated supply voltage | 24 V DC |
| Discrete input voltage | 24 V DC |
| Clock | with |
| Ambient air temperature for operation | -20-55 °C conforming to IEC 60068-2-1 and IEC 60068-2-2 |
| Maximum altitude transport | 3048 m |
| Switching capacity in mA | >= 10 mA at 12 V (relay output) |
| Number of outputs | 4 relay |
| Supplier Code | SR2B121BD |
| Ambient air temperature for storage | -40-70 °C |
| Supply voltage limits | 19.2-30 V |
| Power dissipation in W | 3 W without extension |
| Input impedance | 12 kOhm for IB...IG used as discrete input circuit |
| Repeat accuracy | +/- 2 % at 55 °C for analogue input circuit |
| Discrete input number | 8 conforming to IEC 61131-2 Type 1 |
| Maximum permissible voltage | 30 V for analogue input circuit |
| Analogue input type | common mode |
| Contacts type and composition | NO for relay output |
| Conversion time | smart relay cycle time for analogue input circuit |
| IP degree of protection | IP40 (front panel) conforming to IEC 60529 |
| Range | Zelio Logic |
| Overvoltage category | III conforming to IEC 60664-1 |
| Electrical durability | DC-13: 500000 cycles at 24 V- 0.6 A for relay output conforming to IEC 60947-5-1 |
| Response time | 5 ms (from state 1 to state 0) for relay output |
| Checks | program memory on each power up |
| Local display | with |
| Pollution degree | 2 conforming to IEC 61131-2 |
| Tightening torque | 0.5 N.m |
| Analogue input resolution | 8 bits |
| Connections - terminals | screw terminals- 1 x 0.25...1 x 2.5mm² (AWG 24...AWG 14) flexible with cable end |
| Output voltage limits | 5...30 V DC (relay output) |
| Analogue input range | 0...24 V |
| Input compatibility | 3-wire proximity sensors PNP for discrete input |
| Maximum supply current | 100 mA (without extension) |
| Counting frequency | 1 kHz for discrete input |
| Temperature probe type | Pt 500 |
| Reverse polarity protection | with |
| Clock drift | 6 s/month at 25-25 °C |
| Output thermal current | 8 A for all 4 outputs for relay output |
| Mechanical durability | 10000000 cycles for relay output |
| Environmental characteristic | low voltage directive conforming to IEC 61131-2 |
| LSB value | 39 mV for analogue input circuit |
| Operating altitude | 2000 m |
| Discrete input current | 4 mA |
| Backup time | 10 years at 25 °C |
| Disturbance radiated/conducted | class B conforming to EN 55022-11 group 1 |
| Operating rate in Hz | 10 Hz (no load) for relay output |
| Current state 0 guaranteed | <= 0.75 mA (I1...IA and IH...IR discrete input circuit) |
| Standards | IEC 61000-4-5 |
| Voltage state 1 guaranteed | >= 15 V for IB...IG used as discrete input circuit |
| Product certifications | GOST |
| Conversion error | +/- 5 % at 25 °C for analogue input circuit |
| Brand Name | Schneider Electric |
| [Uimp] rated impulse withstand voltage | 4 kV conforming to EN/IEC 60947-1 and EN/IEC 60664-1 |
| Analogue input number | 4 |
| Immunity to microbreaks | 1 ms |
| Discrete input type | resistive |
| Operating distance | 10 m between stations- with screened cable (sensor not isolated) for analogue input circuit |
| Number or control scheme lines | 0-500 with FBD programming |
| Net weight | 0.25 kg |
| Current state 1 guaranteed | >= 2.2 mA (I1...IA and IH...IR discrete input circuit) |
| Voltage state 0 guaranteed | <= 5 V for IB...IG used as discrete input circuit |
| Cycle time | 6-90 ms |
| Product or component type | compact smart relay |
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