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Datasheet generated 2026-10-07
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Schneider Electric compact smart relay Zelio Logic - 20 I O - 24 V DC - clock - display SR2B202BD

Schneider Electric · Control & Automation · PLCs · France · se.com
Part Number
SR2B202BD  ·  HS 8537.10
Schneider Electric compact smart relay Zelio Logic - 20 I O - 24 V DC - clock - display SR2B202BD

Schneider Electric SR2B202BD Zelio 12/8 In/O trns with ur 24VDC.

Technical Specifications

Manufacturer part number (MPN)SR2B202BD
EAN / GTIN3389110549430
Sales unitpcs
Package quantity20 pcs
Voltage24 V DC
Range of productZelio Logic
Product or component typeCompact smart relay
Local displayWith
Number or control scheme lines0…240 with ladder programming; 0…500 with FBD programming
Cycle time6…90 ms
Backup time10 years at 25 °C
Clock drift12 min/year at 0…55 °C; 6 s/month at 25 °C
ChecksProgram memory on each power up
[Us] rated supply voltage24 V DC
Supply voltage limits19.2…30 V
Maximum supply current100 mA (without extension)
Power dissipation in W3 W without extension
Reverse polarity protectionWith
Discrete input number12 conforming to IEC 61131-2 Type 1
Discrete input typeResistive
Discrete input voltage24 V DC
Discrete input current4 mA
Counting frequency1 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); <= 0.75 mA (I1...IA and IH...IR discrete input circuit)
Input compatibility3-wire proximity sensors PNP for discrete input
Analogue input number6
Analogue input typeCommon mode
Analogue input range0...10 V; 0...24 V
Temperature probe typeNTC 10k at 25 °C; NTC 1000k at 25 °C; KTY81 210/220/221/222/250; Pt 500
Maximum permissible voltage30 V for analogue input circuit
Analogue input resolution8 bits
LSB value39 mV for analogue input circuit
Conversion timeSmart 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 distance10 m between stations, with screened cable (sensor not isolated) for analogue input circuit
Input impedance12 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 outputs8 transistor
Output voltage24 V transistor output
Output voltage limits19.2...30 V DC (transistor output)
Load current0.5…0.625 A transistor output
[Ures] residual voltage2 V at state 1 transistor output
Overload protectionWith overload protection for transistor output
Short-circuit protectionWith transistor output
Overvoltage protectionWith overvoltage protection for transistor output
ClockWith
Response time<= 1 ms (from state 0 to state 1) for transistor output; <= 1 ms (from state 1 to state 0) for transistor output
Connections - terminalsScrew terminals, 1 x 0.2...1 x 2.5 mm² (25 AWG...14 AWG) semi-solid; Screw terminals, 1 x 0.2...1 x 2.5 mm² (25 AWG...14 AWG) solid; Screw terminals, 1 x 0.25...1 x 2.5 mm² (24 AWG...14 AWG) flexible with cable end; Screw terminals, 2 x 0.2...2 x 1.5 mm² (24 AWG...16 AWG) solid; Screw terminals, 2 x 0.25...2 x 0.75 mm² (24 AWG...18 AWG) flexible with cable end
Tightening torque0.5 N.m
Overvoltage categoryIII conforming to IEC 60664-1
Product weight0.28 kg
Immunity to microbreaks1 ms
Product certificationsCSA; UL; GOST; GL; C-Tick
StandardsIEC 61000-4-4 level 3; IEC 60068-2-27 Ea; IEC 61000-4-5; IEC 61000-4-6 level 3; IEC 61000-4-11; IEC 61000-4-2 level 3; IEC 61000-4-3; IEC 61000-4-12; IEC 60068-2-6 Fc
IP degree of protectionIP20 (terminal block) conforming to IEC 60529; IP40 (front panel) conforming to IEC 60529
Environmental characteristicEMC 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/conductedClass B conforming to EN 55022-11 group 1
Pollution degree2 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 altitude2000 m
Maximum altitude transport3048 m
Relative humidity95 % without condensation or dripping water
Number of Units in Package 11
Number of Units in Package 220
Country of originFR
Warranty (in months)18
Power consumption3 W
Certified for UL hazardous location division 1No
Certified for UL hazardous location division 2No
Certified for UL hazardous location group A (acetylene)No
Certified for UL hazardous location group B (hydrogen)No
Certified for UL hazardous location group C (ethylene)No
Certified for UL hazardous location group D (propane)No
Certified for UL hazardous location group E (metal dusts)No
Certified for UL hazardous location class INo
Certified for UL hazardous location class IINo
Certified for UL hazardous location class IIINo
Supporting protocol for EtherCATNo
Supply voltage DC24 V
Voltage type (supply voltage)DC
Switching current0.5 A
Number of analogue inputs6
Number of digital inputs12
Number of digital outputs8
With relay outputNo
Number of HW-interfaces RS-2321
Number of HW-interfaces other1
With optical interfaceNo
Supporting protocol for TCP/IPNo
Supporting protocol for PROFIBUSNo
Supporting protocol for CANNo
Supporting protocol for INTERBUSNo
Supporting protocol for ASINo
Supporting protocol for KNXNo
Supporting protocol for ModbusNo
Supporting protocol for Data-HighwayNo
Supporting protocol for DeviceNetNo
Supporting protocol for SUCONETNo
Supporting protocol for LONNo
Supporting protocol for PROFINET IONo
Supporting protocol for PROFINET CBANo
Supporting protocol for SERCOSNo
Supporting protocol for Foundation FieldbusNo
Supporting protocol for EtherNet/IPNo
Supporting protocol for AS-Interface Safety at WorkNo
Supporting protocol for DeviceNet SafetyNo
Supporting protocol for INTERBUS-SafetyNo
Supporting protocol for PROFIsafeNo
Supporting protocol for SafetyBUS pNo
Supporting protocol for other bus systemsNo
Radio standard BluetoothNo
Radio standard WLAN 802.11No
Radio standard GPRSNo
Radio standard GSMNo
Mobile communications standard 3G (UMTS)No
IO link masterNo
RedundancyNo
With displayYes
Degree of protection (IP)IP20
Basic deviceYes
ExpandableNo
Expansion deviceNo
With time switch clockYes
Suitable for rail mountingYes
Wall mounting/direct mountingYes
Front built-in possibleYes
Rack-assembly possibleNo
Suitable for safety functionsNo
SIL according to IEC 61508None
Performance level according to EN ISO 13849-1None
Appendant operation agent (Ex ia)No
Explosion safety category for gasNone
Explosion safety category for dustNone
Width124.6 mm
Height90 mm
Depth59.5 mm

Properties

MOQ1

Cross-References

Attached Documents