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ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! 22/01/2020CR720S / page 7
CR720S ST A and ST B / input characteristics
ST A:
IN0300... 0301
IN0800... 0801
ST B:
IN1300... 1303
Resolution 12 bits
Input frequency < 330 Hz
Impedance ≤ 3.2 kΩ
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
Digital inputs 2-wire sensor
(IN DIGITAL-B)
Digital input (B
L
)
Input resistance 3.2 kΩ
Switch-on level > 0�7 VBB
30
Switch-off level < 0�3 VBB
30
Accuracy B
L
± 1 % FS
Range diagnostics min�/max� 1 V / 0�95 VBB
30
(default)
RESET-COM
Switch-on level > 0,7 VBB
30
Switch-off level < 0,3 VBB
30
Accuracy ± 5 % FS
Observe the notes on the confi guration of the inputs/outputs!
(programming manual "ecomatController CR720S")
Abbreviations A
B
H
B
L
FRQ
L/H
PWM
H
PWM
L
PWM
I
R
VBB
0���3
VBB
30
analogue
binary high side (CSO)
binary low side (CSI)
frequency/pulse inputs confi gurable low side (CSI) / high side (CSO)
pulse width modulation high side (CSO)
pulse width modulation low side (CSI)
pulse width modulation current-controlled
resistor input
supply output group
supply controller