SR2B121BD TELEMECANIQUE, SR2B121BD Datasheet - Page 7

• 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

14102-EN_Ver1.0.fm/8
Characteristics
Primary
Voltage limits
Nominal input current
Maximum nominal input current with extensions
Power dissipated
Maximum power dissipated with extensions
Micro-breaks
rms insulation voltage
Number of
control scheme lines
Number of function blocks
Cycle time
Response time
Back-up time
(in the event of power failure)
Program memory checking
Clock drift
Timer block accuracy
Connection
Nominal value of inputs
Input switching limit values
Input impedance at state 1
Configurable response time
Conformity to IEC 61131-2
Sensor compatibility
Input type
Isolation
Maximum counting frequency
Protection
Connection
Nominal value of inputs
Input switching limit values
Input impedance at state 1
Configurable response time
Isolation
Protection
a 100...240 V supply characteristics
Smart relay type
Processing characteristics
Smart relay type
Discrete c 24 V input characteristics
Smart relay type
Discrete a 100...240 V input characteristics
Smart relay type
With LADDER programming
With FBD programming
Day/time
Program and settings
Voltage
Current
At state 1
At state 0
State 0 to 1
State 1 to 0
3-wire
2-wire
Between supply and inputs
Between inputs
Against inversion of terminals
Voltage
Current
Frequency
At state 1
At state 0
State 0 to 1 (50/60 Hz)
State 1 to 0 (50/60 Hz)
Between supply and inputs
Between inputs
Against inversion of terminals
Nominal voltage
Including ripple
Permissible duration
(continued)
Voltage
Current
Voltage
Current
Voltage
Current
Voltage
Current
Zelio Logic smart relays
Compact and modular smart relays
V
V
mA
mA
VA
VA
ms
V
ms
ms
V
mA
V
mA
V
mA
KW
ms
ms
kHz
V
mA
Hz
V
mA
V
mA
KW
ms
ms
SR2 p 101FU
100…240
85…264
80/30
–
7
–
10
1780
SR2/SR3
120
Up to 200
10
20
10 years (lithium battery) at 25 °C
10 years (EEPROM memory)
At each power-up
12 min/year (0 to 55 °C)
6 sec/month (at 25 °C and calibration)
1 % ± 2 of the cycle time
SR2/SR3
Screw terminal block
24
4
u 15
u 2.20
y 5
< 0.75
7.4
0.2
0.3
Type 1
Yes PNP
No
Resistive
None
None
1
Control instructions not executed
SR2/SR3
Screw terminal block
100... 240
0.6
47... 63
u 79
> 0.1750
y 40
350
50
50
None
None
Control instructions not executed
< 0.05
SR2 p 121FU
100…240
85…264
80/30
–
7
–
10
1780
SR2 p 201FU
100…240
85…264
100/50
–
11
–
10
1780
SR3 B101FU
100…240
85…264
80/30
80/40
7
12
10
1780
SR3 B261FU
100…240
85…264
100/50
80/60
12
17
10
1780
0