The SR2A201BD is a compact smart relay from the Zelio Logic series, featuring 20 I/O (Input/Output) points and operating with a 24 V DC power supply. This model does not include a clock display. Compact smart relays, like the SR2A201BD, are versatile control and automation solutions used in various industrial applications.
Key Features:
Compact Design: The compact and space-saving design makes it suitable for installations with limited space.
20 I/O Points: With 20 I/O points, this relay provides flexible connectivity and control for a variety of devices and sensors.
24 V DC Power Supply: It operates using a 24 V DC power supply, making it suitable for many industrial applications.
No Clock Display: This model does not include a clock display and is ideal for applications that do not require time-related functionality.
The SR2A201BD is a reliable solution for industrial automation and control applications where a clock display is not needed, and versatile I/O capabilities are essential.
Specifications
| Main | |
| Range of product | Zelio Logic |
| Product or component type | Compact smart relay |
| Complementary | |
| Local display | With |
| Number or control scheme lines | 0…240 with ladder programming |
| Cycle time | 6…90 ms |
| Backup time | 10 years at 25 °C |
| Clock drift | 12 min/year at 0…55 °C |
| 6 s/month at 25 °C | |
| Checks | Program memory on each power up |
| [Us] rated supply voltage | 24 V DC |
| Supply voltage limits | 19.2…30 V |
| Maximum supply current | 100 mA (without extension) |
| Power dissipation in W | 6 W without extension |
| Reverse polarity protection | With |
| Discrete input number | 12 conforming to EN/IEC 61131-2 type 1 |
| discrete input type | Resistive |
| Discrete input voltage | 24 V DC |
| Discrete input current | 4 mA |
| Counting frequency | 1 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 (IB...IG used as discrete input circuit) |
| >= 2.2 mA (I1...IA and IH...IR discrete input circuit) | |
| Current state 0 guaranteed | <= 0.5 mA (IB...IG used as discrete input circuit) |
| Input compatibility | 3-wire proximity sensors PNP for discrete input |
| analogue input number | 2 |
| analogue input type | Common mode |
| Analogue input range | 0...24 V |
| 0...10 V | |
| Maximum permissible voltage | 30 V for analogue input circuit |
| analogue input resolution | 8 bits |
| LSB value | 39 mV for analogue input circuit |
| Conversion time | Smart 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 distance | 10 m between stations, with screened cable (sensor not isolated) 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 | |
| Number of outputs | 8 relay |
| Output voltage limits | 24...250 V AC (relay output) |
| 5...30 V DC (relay output) | |
| Contacts type and composition | NO for relay output |
| Output thermal current | 8 A for all 8 outputs for relay output |
| 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 | |
| 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 | |
| Mechanical durability | 10000000 cycles for relay output |
| [Uimp] rated impulse withstand voltage | 4 kV conforming to EN/IEC 60947-1 and EN/IEC 60664-1 |
| clock | Without |
| Response time | 10 ms (from state 0 to state 1) for relay output |
| 5 ms (from state 1 to state 0) for relay output | |
| 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 | |
| tightening torque | 0.5 N.m |
| Overvoltage category | III conforming to EN/IEC 60664-1 |
| Net weight | 0.38 kg |
| Environment | |
| Immunity to microbreaks | 1 ms |
| product certifications | GOST |
| CSA | |
| GL | |
| UL | |
| C-Tick | |
| standards | EN/IEC 61000-4-5 |
| EN/IEC 61000-4-6 level 3 | |
| EN/IEC 60068-2-6 Fc | |
| EN/IEC 61000-4-12 | |
| EN/IEC 61000-4-11 | |
| EN/IEC 61000-4-3 | |
| EN/IEC 61000-4-2 level 3 | |
| EN/IEC 60068-2-27 Ea | |
| EN/IEC 61000-4-4 level 3 | |
| IP degree of protection | IP20 (terminal block) conforming to IEC 60529 |
| IP40 (front panel) conforming to IEC 60529 | |
| 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 | |
| Disturbance radiated/conducted | Class B conforming to EN 55022-11 group 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 | |
| Ambient air temperature for storage | -40…70 °C |
| Operating altitude | 2000 m |
| Maximum altitude transport | 3048 m |
| Relative humidity | 95 % without condensation or dripping water |