SR2E121BD SQUARE D, SR2E121BD Datasheet

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SR2E121BD

Manufacturer Part Number
SR2E121BD
Description
SR BL 12 I-O 24VDC
Manufacturer
SQUARE D
Datasheet
Product data sheet
Characteristics
Complementary
Mar 30, 2012
Local display
Number or control scheme lines
Cycle time
Backup time
Clock drift
Checks
[Us] rated supply voltage
Supply voltage limits
Supply current
Power dissipation in W
Reverse polarity protection
Discrete input number
Discrete input type
Discrete input voltage
Discrete input current
Counting frequency
Voltage state1 guaranteed
Voltage state 0 guaranteed
Current state 1 guaranteed
Current state 0 guaranteed
Input compatibility
Analogue input number
Analogue input type
Analogue input range
Maximum permissible voltage
Analogue input resolution
LSB value
Conversion time
Conversion error
SR2E121BD
compact smart relay Zelio Logic - 12 I O - 24 V
DC - clock - no display
Main
Range of product
Product or component
type
Without
<= 200 with FBD programming
120 with ladder programming
6...90 ms
10 years at 25 °C
12 min/year at 0...55 °C
6 s/month at 25 °C
Program memory on each power up
24 V DC
19.2...30 V
100 mA (without extension)
3 W without extension
With
8 conforming to EN/IEC 61131-2 type 1
Resistive
24 V DC
4 mA
1 kHz for discrete input
>= 15 V for I1...IA and IH...IR discrete input circuit
>= 15 V for IB...IG used as discrete input circuit
<= 5 V for I1...IA and IH...IR discrete input circuit
<= 5 V for IB...IG used as discrete input circuit
>= 1.2 mA for IB...IG used as discrete input circuit
>= 2.2 mA for I1...IA and IH...IR discrete input circuit
< 0.5 mA for IB...IG used as discrete input circuit
< 0.75 mA for I1...IA and IH...IR discrete input circuit
3-wire proximity sensors PNP (discrete input)
4
Common mode
0...10 V
0...24 V
30 V (analogue input circuit)
8 bits
39 mV (analogue input circuit)
Smart relay cycle time for analogue input circuit
+/- 5 % at 25 °C for analogue input circuit
+/- 6.2 % at 55 °C for analogue input circuit
Zelio Logic
Compact smart relay
1

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SR2E121BD Summary of contents

Page 1

... Analogue input number Analogue input type Analogue input range Maximum permissible voltage Analogue input resolution LSB value Conversion time Conversion error Mar 30, 2012 SR2E121BD compact smart relay Zelio Logic - clock - no display Main Range of product Zelio Logic Product or component Compact smart relay type Without < ...

Page 2

Repeat accuracy Operating distance Input impedance Number of outputs Output voltage limits Contacts type and composition Output thermal current Electrical durability Switching capacity in mA Operating rate in Hz Mechanical durability [Uimp] rated impulse withstand voltage Clock Response time Connections ...

Page 3

Operating altitude Altitude transport Relative humidity 2000 m <= 3048 without condensation or dripping water 3 ...

Page 4

... Product data sheet Dimensions Drawings Compact and Modular Smart Relays Mounting on 35 mm/1.38 in. DIN Rail (1) With SR2USB01 or SR2BTC01 Screw Fixing (Retractable Lugs) (1) With SR2USB01 or SR2BTC01 Position of Display 4 SR2E121BD ...

Page 5

... Product data sheet Connections and Schema Compact and Modular Smart Relays Connection of Smart Relays on DC Supply ( quick-blow fuse or circuit-breaker. (2) Fuse or circuit-breaker. (3) Inductive load. (4) Q9 and QA (max. current in terminal C: 10 A). Discrete Input Used for 3-Wire Sensors ( quick-blow fuse or circuit-breaker. SR2E121BD 5 ...

Page 6

... DC-12: control of resistive loads and of solid state loads isolated by opto-coupler, L/R ≤ 1 ms. DC-13 (1) X: Current (A) Y: Millions of operating cycles (1) DC-13: switching electromagnets, L/R ≤ (Ue x Ie) in ms, Ue: rated operational voltage, Ie: rated operational current (with a protection diode on the load, DC-12 curves must be used with a coefficient of 0.9 applied to the number in millions of operating cycles). 6 SR2E121BD ...

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