SR2B121BD TELEMECANIQUE, SR2B121BD Datasheet - Page 8

• Manufacturer Part Number: SR2B121BD
• Description: RELAY, ZELIO, 24VDC, 8 DI/4 RO
• Manufacturer: TELEMECANIQUE

Specifications of SR2B121BD

• No. Of Analogue Inputs: 4
• No. Of Digital Inputs: 4
• No. Of Digital Outputs: 4
• Approval Bodies: CSA, UL
• External Depth: 59.5mm
• External Length / Height: 90mm
• External Width: 72mm
• Brand/series: Zelio
• Clock: Yes
• Dimensions: 71.2 × 59.5 × 107.6 mm
• Display: Yes
• Function: Programmable
• Number Of Inputs And Outputs: 12
• Number Of Outputs: 4 Relay
• Number Of Pins: 12
• Relay Type: Solid State
• Voltage, Control: 24 VDC
• Inputs: 24 VDC
• Outputs: 8 Amp, 250 VACFeatures
• For Use With: Simple

Characteristics
Analogue inputs
Conversion
Isolation
Cabling distance
Protection
Operating limit values
Contact type
Thermal current
Electrical durability for
500 000 operating cycles
Minimum switching capacity
Low power switching
reliability of contact
Maximum operating rate
Mechanical life
Rated impulse
withstand voltage
Response time
Built-in protection
Operating limit values
Load
Drop out voltage
Response time
Built-in protection
Integral analogue input characteristics
Smart relay type
Relay output characteristics
Smart relay type
Transistor output characteristics
Smart relay type
Utilisation
category
At minimum voltage of 12 V
No-load
At Ie (operational current)
In millions of operating cycles
Conforming to IEC 60947-1
and 60664-1
Trip
Reset
Short-circuit
Against overvoltage and overload
Nominal voltage
Nominal current
Maximum current
At state 1
Trip
Reset
Against overload
and short-circuits
Against overvoltage (1)
Against inversions
of power supply
Input range
Input impedance
Maximum non destructive voltage V
Value of LSB
Input type
Resolution
Conversion time
Precision
Repeat
accuracy
Between analogue
channel and supply
Against inversion of terminals
(continued)
DC-12
DC-13
AC-12
AC-15
at 25 °C
at 55 °C
at 55 °C
Zelio Logic smart relays
Compact and modular smart relays
(1) If there is no volt-free contact between the relay output and the load.
V
KW
m
V
A
V
A
V
A
V
A
V
A
mA
Hz
Hz
kV
ms
ms
V
V
A
A
V
ms
ms
SR2/SR3
0...10 or 0...24
12
30
39 mV, 4 mA
Common mode
8 bit
Smart relay cycle time
± 5 %
± 6.2 %
± 2 %
None
10 maximum, with screened cable (sensor not isolated)
Control instructions not executed
SR2 ppp / SR3 B101 pp
c 5...150.
a 24...250
N/O
8
24
1.5
24 (L/R = 10 ms)
0.6
230
1.5
230
0.9
10
12 V - 10 mA
10
0.1
10
4
10
5
None
None
SR2/SR3
19.2...30
c 24
0.5
0.625 at 30 V
y 2 for I=0.5 A
y 1
y 1
Yes
Yes
Yes
SR3 B261 pp , SR3 XT141 pp
c 5...150.
a 24...250
N/O
8 outputs: 8 A
2 outputs: 5 A
24
1.5
24 (L/R = 10 ms)
0.6
230
1.5
230
0.9
10
12 V - 10 mA
10
0.1
10
4
10
5
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