Description

Schneider SR2A201BD | compact smart relay Zelio Logic – 20 I O – 24 V DC – no clock – display

The Schneider Electric SR2A201BD is a compact smart relay from the Zelio Logic series. Designed for small automation tasks, this relay offers 20 I/O (inputs/outputs) and operates at 24V DC. It is ideal for controlling and monitoring simple processes in various industrial applications without the need for a clock function. The relay does not include a display, making it a cost-effective solution for applications that do not require advanced visualization.

Key Features

  • Product Type: Compact smart relay

  • Series: Zelio Logic

  • Number of I/O: 20 I/O (12 digital inputs, 8 digital outputs)

  • Voltage: 24V DC

  • Display: No display included

  • Clock: No integrated clock function

  • User Interface: Basic input/output interface suitable for simple automation tasks

  • Programming: Programmable via Zelio Soft 2 software

  • Mounting: DIN rail compatible

Electrical Specifications

  • Power Supply: 24V DC

  • Input Types: Digital inputs (suitable for ON/OFF signals)

  • Output Types: Digital outputs (suitable for controlling relays, lights, and other devices)

  • Output Current: 0.5 A per output channel (maximum)

  • Digital Inputs: 12 inputs for monitoring discrete signals

  • Digital Outputs: 8 outputs for controlling connected devices

  • Relays: Available as relay outputs for easy control of various devices

  • Relay Contacts: Normally open (NO) contacts

  • Programming: Ladder diagram programming via Zelio Soft 2 software

Mechanical & Environmental Characteristics

  • Housing: Compact plastic housing

  • Mounting: Easy mounting on a DIN rail

  • Operating Temperature: 0°C to +55°C

  • Storage Temperature: -20°C to +70°C

  • Protection Rating: IP20 (module body)

  • Dimensions: Space-efficient design for installations with limited space

Applications

  • Small Automation Systems: Ideal for controlling simple machines, HVAC systems, and lighting control in buildings

  • Process Control: Used in small manufacturing processes where simple ON/OFF control is sufficient

  • Energy Management: Suitable for basic energy monitoring and control systems

  • Security and Alarms: Can be used for simple monitoring and controlling of alarms and security systems

  • Home Automation: Provides automation solutions for home systems such as lighting and HVAC control

Advantages

  • Compact Design: Space-saving and easy to integrate into control panels

  • Cost-Effective: Ideal for small-scale applications that don’t require advanced features

  • No Display, Simplified Use: Suitable for applications where a display is not required, reducing overall cost

  • Flexible I/O Configuration: 20 I/O points provide enough flexibility for simple automation tasks

  • Reliable Operation: Operates in a wide range of industrial environments with high durability

Additional information

brands

Schneider Electric

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 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 IEC 60947-5-1 AC-15: 500000 cycles at 230 V, 0.9 A for relay output conforming to IEC 60947-5-1 DC-12: 500000 cycles at 24 V, 1.5 A for relay output conforming to IEC 60947-5-1 DC-13: 500000 cycles at 24 V, 0.6 A for relay output conforming to 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 mm�� (AWG 24...AWG 18) flexible with cable end
tightening torque 0.5 N.m
Overvoltage category III conforming to IEC 60664-1
Net weight 0.38 kg
Environment
Immunity to microbreaks 1 ms
product certifications GOST CSA GL UL C-Tick
Standards IEC 61000-4-5 IEC 61000-4-6 level 3 IEC 60068-2-6 Fc IEC 61000-4-12 IEC 61000-4-11 IEC 61000-4-3 IEC 61000-4-2 level 3 IEC 60068-2-27 Ea 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 IEC 61000-6-2 EMC directive conforming to IEC 61000-6-3 EMC directive conforming to IEC 61000-6-4 EMC directive conforming to IEC 61131-2 zone B Low voltage directive conforming to IEC 61131-2
Disturbance radiated/conducted Class B conforming to EN 55022-11 group 1
Pollution degree 2 conforming to 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
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 6.8 cm
Package 1 Width 10 cm
Package 1 Length 13.5 cm
Package 1 Weight 356 g
Unit Type of Package 2 S03
Number of Units in Package 2 20
Package 2 Height 30 cm
Package 2 Width 30 cm
Package 2 Length 40 cm
Package 2 Weight 7.596 kg
Contractual warranty
Warranty 18 months

Main Document

Main Document

Data Sheet : Download

Main Document

Data Sheet : Download

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