IFM CR720S, Original Operating Instructions

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CR720S CR721S
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ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen We reserve the right to make technical alterations without prior notice! 26/11/2020 CR721S / page 11
CR721S (HW version: V1.0.5.x) ST A and ST B / output characteristics
Control systems
ST A:
OUT0000
OUT0002
OUT0004
OUT0100
OUT0102
OUT0104
OUT0200
OUT0202
OUT0204
ST B:
OUT0300
OUT0302
OUT0304
OUT0400
OUT0402
OUT0404
OUT0500
OUT0502
OUT0504
Switching voltage 8...32 V DC
Switching current 0.025...2.5 A
Protective circuit for inductive
loads
integrated
Accuracy current feedback 1 % FS
Diagnostics current feedback configurable minimum and maximum values
to detect short circuit and wire break
Diagnostics status feedback detection of short circuit to VBB and short
circuit to GND
detection TRUE: ≥ 3 V
detection FALSE: ≤ 1 V
Digital / PWM outputs 2.5 A
(OUT PWM-25-A)
Digital output (B
H
)
(default)
Range diagnostics min./max. 0 A / 2.5 A (default)
PWM output (PWM
H
) Output frequency 20...2000 Hz (per channel)
Pulse/pause ratio 1...1000 ‰ (adjustable via software)
Resolution 1 ‰ (at 20...250 Hz)
Range diagnostics min./max. 0 A / 2.5 A (default)
Current-controlled output (PWM
I
) Output frequency 20...2000 Hz (per channel)
Control range 0.05...2.5 A
Setting resolution 1 mA (at 20...250 Hz)
Control resolution 2 mA
Load resistance ≥ 4.8 Ω / (at 12 V DC)
≥ 9.6 Ω / (at 24 V DC)
Accuracy ± 1.5 % FS (for inductive loads)
Range diagnostics min./max. 0 A / 2.5 A (default)
ST A:
OUT0001
OUT0003
OUT0005
OUT0101
OUT0103
OUT0105
OUT0201
OUT0203
OUT0205
ST B:
OUT0301
OUT0303
OUT0305
OUT0401
OUT0403
OUT0405
OUT0501
OUT0503
OUT0505
Switching voltage 8...32 V DC
Switching current 0.025...2.5 A
Protective circuit for inductive
loads
integrated
Accuracy current feedback 5 % FS
Diagnostics current feedback configurable minimum and maximum values
to detect short circuit and wire break
Diagnostics status feedback detection of short circuit to VBB and short
circuit to GND
detection TRUE: ≥ 3 V
detection FALSE: ≤ 1 V
Digital outputs 2.5 A
(OUT PWM-25-B)
Digital output (B
H
)
(default)
Range diagnostics min./max. 0 A / 2.5 A (default)
PWM output (PWM
H
) Output frequency 20...2000 Hz (per channel)
Pulse/pause ratio 1...1000 ‰ (adjustable via software)
Resolution 1 ‰ FS (at 20...250 Hz)
Range diagnostics min./max. 0 A / 2.5 A (default)
GB