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Supply characteristics,
c
24 V products
Type
SR2
p
1
p
1BD
SR2
B122BD
SR2
p
201BD
SR2
B202BD
SR3
B101BD
SR3
B102BD
SR3
B261BD
SR3
B262BD
Nominal voltage
V
c
24
Voltage limits
Including ripple
V
19.2…30
Nominal input current
Without extensions
mA
100
50
190
70
With extensions
mA
–
100
160
300
180
Power dissipated
Without extensions
W
3
6
3
4
6
5
With extensions
W
–
8
10
Micro-breaks
Permissible duration
ms
y
1 (repeated 20 times)
Protection
Against reversed polarity
Yes
Discrete input characteristics,
c
24 V products
Type
SR
p pppp
BD
(input
I1…IA, IH…IR)
SR
p pppp
BD
(input
IB…IG
used as a discrete input)
Nominal value of inputs
Voltage
V
c
24
c
24
Current
mA
4
4
Input switching
limit values
At state 1
Voltage
V
u c
15
u c
15
Current
mA
u
2.2
u
1.2
At state 0
Voltage
V
y c
5
y c
5
Current
mA
< 0.75
< 0.5
Input impedance at state 1
K
Ω
7.4
12
Conforming to IEC/EN 61131-2
Type 1
Type 1
Sensor compatibility
3-wire
Yes PNP
Yes PNP
2-wire
No
No
Input type
Resistive
Resistive
Isolation
Between supply and inputs
None
None
Between inputs
None
None
Maximum counting frequency
kHz
1
1
Protection
Against reversed polarity
Yes (control instructions not executed)
Yes (control instructions not executed)
Supply characteristics,
c
24 V products
Type
SR
p pppp
BD
(input
IB…IG used as an analogue input)
Input range
V
c
0...10 or
c
0..0.24
Input impedance
K
Ω
12
Maximum non destructive voltage
V
c
30
Value of LSB
39 mV
Input type
Common mode
Conversion
Resolution
8 bits at maximum voltage
Conversion time
Smart relay cycle time
Precision
± 5 % at 25 °C and ± 6.2 % at 55 °C
Repeat accuracy
± 2 % at 55 °C
Isolation
Betweenanaloguechannelandsupply
None
Cabling distance
m
10 maximum, with screened cable (sensor not isolated)
Protection
Against reversed polarity
Yes
Presentation :
pages 6 to 9
Functions :
pages 10 to 12
Curves :
pages 20 and 21
References :
pages 22 to 27
Dimensions, schemes :
pages 28 to 31
Characteristics
(continued)
1
Zelio Logic smart relays
1
Compact and modular smart relays
1
2
3
4
5
6
7
8
9
10