IFM ecomatController CR720S - Page 31

31
UK
ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! 22/01/2020CR720S / page 6
CR720S ST A and ST B / input characteristics
Control systems
Digital input (B
L/H
)
(default: B
L
)
Input resistance 10 kΩ
Input frequency < 330 Hz
Switch-on level > 0�7 VBB
30
Switch-off level < 0�3 VBB
30
Accuracy B
L
/ B
H
± 1 % FS / ± 3 % FS
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
Range diagnostics min�/max� 1 V / 0�95 VBB
30
(default)
ST A:
IN0400...0401
IN0900...0901
Resolution 12 bits
Input frequency < 330 Hz
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 / resistor inputs
(IN RESISTOR-B)
Digital input (B
L
)
(default)
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)
Resistor input (R)
Measuring current < 2�0 mA
Measuring range 0.016...30 kΩ
Accuracy ± 2 % FS: 0.016...3 kΩ
± 5 % FS: 3...15 kΩ
± 10 % FS: 15...30 kΩ
Range diagnostics min�/max� 0 Ω / 31 kΩ (default)
ST B:
IN1200... 1203
IN1700... 1703
Resolution 12 bits
Input frequency < 330 Hz
Impedance ≤ 10 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
(IN DIGITAL-A)
Digital input (B
L
)
Input resistance 10 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)