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SmartModule CR2520
16
7.3 Input characteristics
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen We reserve the right to make technical alterations without prior notice!
29�01�2018
CR2520 / page 3
CR2520
Input characteristics
Control systems
A_IN00...A_IN03
Current input 0���20 mA (A)
Input resistance
400 Ω
Input frequency
50 Hz
Resolution
10 bits
Accuracy
± 1% FS
Voltage input 0���10 V (A)
Input resistance
50 kΩ
Input frequency
50 Hz
Resolution
10 bits
Accuracy
± 1% FS
Voltage input 0���32 V (A)
Input resistance
30 kΩ
Input frequency
50 Hz
Resolution
10 bits
Accuracy
± 1% FS
Voltage input ratiometric (A)
Input resistance
30 kΩ
Value range
0���1000 ‰ (referred to U
B
)
Digital input for negative sensor
signals (B
H
)
Input resistance
2.4 kΩ
Input frequency
50 Hz
Switch-on level
> 0�7 U
B
Switch-off level
< 0�4 U
B
B_IN00...B_IN08
Digital input for positive sensor
signals (B
L
)
Input resistance
3.21 kΩ
Input frequency
50 Hz
Switch-on level
> 0�7 U
B
Switch-off level
< 0�2 U
B
B_IN09...B_IN10
Digital input for positive sensor
signals (B
L
)
Input resistance
3.21 kΩ
Input frequency
1 kHz
Switch-on level
> 0�7 U
B
Switch-off level
< 0�2 U
B