ecomatController CR720S/CR721S
38
ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen
We reserve the right to make technical alterations without prior notice!
22 Nov� 2017
CR721S / page 6
CR721S
Connectors A and B / input characteristics
Control systems
Digital input (B
L/H
)
Input resistance
10 k Ω
Input frequency
< 330 Hz
Switch-on level
> 0�7 VBB
30
Switch-off level
< 0�3 VBB
30
Accuracy B
L/H
± 1 %
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)
Connector 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-A)
Digital input (B
L
)
Input resistance
10 k Ω
Switch-on level
> 0�7 VBB
30
Switch-off level
< 0�3 VBB
30
Accuracy B
L
± 1 %
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)
Connector B:
IN1200... 1203
IN1400... 1403
IN1700... 1703
IN1800... 1803
Resolution
12 bits
Input frequency
< 330 Hz
Impedance
≤ 10 k Ω
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 k Ω
Switch-on level
> 0�7 VBB
30
Switch-off level
< 0�3 VBB
30
Accuracy B
L
± 1 %
Range diagnostics min - max�
1 V / 0�95 VBB
30
(default)
