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8.1.3 ST A / input characteristics
ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen
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19/06/2019
CR710S / page 5
CR710S
ST A / input characteristics
Control systems
ST A:
IN0100...0103
IN0600...0603
Resolution
12 bits
Input frequency
< 330 Hz
Measuring ranges
0���10 V, 0���32 V, 0���20 mA, ratiometric,
binary low side
Range diagnostics
confi gurable minimum and maximum values
for the measuring range to detect short circuit
to VBB and short circuit to GND / wire break
Multifunction inputs analogue /
digital
(IN MULTIFUNCTION-A)
Current input 0 … 20 mA (A)
Input resistance
298 Ω
Range diagnostics min�/max�
0 mA / 20 mA (default)
Accuracy
± 1�5 % FS
Voltage input 0���10 V (A)
Input resistance
67.6 kΩ
Range diagnostics min�/max�
0 V / 10 V (default)
Accuracy
± 1 % FS
Voltage input 0���32 V (A)
Input resistance
51.0 kΩ
Range diagnostics min�/max�
0 V / 32 V (default)
Accuracy
± 1 % FS
Voltage input ratiometric (A)
Input resistance
51.0 kΩ
Range diagnostics min�/max�
0 ‰ / 1000 ‰ (default)
Accuracy
± 1 % FS
Digital input (B
L
)
Input resistance
9.5 kΩ
Switch-on level
> 0�7 VBB
30
Switch-off level
< 0�3 VBB
30
Range diagnostics min�/max�
1 V / 0�95 VBB
30
(default)
Accuracy
± 1 % FS
ST A:
IN0000...0003
IN0500...0503
Resolution
12 bits
Digital inputs, frequency measure-
ment
(IN FREQUENCY-B)
Frequency input (FRQ
L/H
)
Input resistance
10 kΩ
Input frequency
≤ 30 kHz
Switch-on level
> 0�7 VBB
30
Switch-off level
< 0�3 VBB
30
Accuracy
± 10 µs
