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Control systems
CR7021
Outputs
– %QX0.00...03
▲ %QX0.04...07
can be confi gured as:
Outputs
– %QX0.08...15
can be confi gured as:
Outputs
▲ %QX1.00, 03, 04, 07
can be confi gured as:
Outputs
▲ %QX1.01, 02, 05, 06
can be confi gured as:
Output error
Internal relay outputs
for the additional
switch-off of the outputs
Defi nition of short-circuit and overload
protection:
▲ = safety-related
ifm electronic gmbh ● Friedrichstraße 1 ● 45128 Essen
Characteristics of the outputs
Semiconductor outputs, with diagnostic capability (B
positive switching (high side), short-circuit proof and overload protected
Switching voltage
Switching current
Output frequency
PWM outputs, diagnosis via current feedback (PWM)
PWM frequency
Pulse/pause ratio
Resolution
Load current
Current-controlled outputs, diagnosis via current feedback (PWM
Load current
Load resistance
Setting resolution
Control resolution
Accuracy
Semiconductor outputs, with diagnostic capability (B
positive switching (high side), short-circuit proof and overload protected
Switching voltage
Switching current
Output frequency
Semiconductor outputs, with diagnostic capability (B
positive switching (high side), short-circuit proof and overload protected
Switching voltage
Switching current
Output frequency
PWM outputs (PWM)
PWM frequency
Pulse/pause ratio
Resolution
Load current
Semiconductor outputs, with diagnostic capability (B
positive/negative switching (high/low side), short-circuit proof and overload protected
Switching voltage
Switching current
Output frequency
Semiconductor output (B
), positive switching (high side)
H
Switching voltage
Switching current
Overload current
Switching function
Normally open contacts in series to 2 groups of 12 semiconductor outputs.
Forced controlling by means of co-processor and additional controlling by means of
user program.
Switch relays without load!
Total current
Switching current
Overload current
Number of operating cycles (without load)
Switching time constant
Defi nition of short circuit: short circuit to VBB and GND for 5 min
Defi nition of overload: 100 % overload at the output for 5 min
*) only high side outputs safety-related
Observe the notes on the confi guration of the inputs/outputs!
(→ system manual "SafetyController")
We reserve the right to make technical alterations without prior notice!
SafetyController CR7021
)
H
10...32 V DC
≤ 4 A
≤ 100 Hz (depending on the load)
≤ 250 Hz
1...99 %
depending on the PWM frequency
≤ 4 A
)
I
0.1...4 A
≥ (U
= 12 V DC)
B
≥ (U
= 24 V DC)
B
1 mA
5 mA
± 2% FS
)
H
10...32 V DC
≤ 2A
≤ 100 Hz (depending on the load)
)
H
10...32 V DC
≤ 4 A
≤ 100 Hz (depending on the load)
≤ 250 Hz
1...99 %
depending on the PWM frequency
≤ 4 A
)*
L/H
10...32 V DC
≤ 4 A
≤ 100 Hz (depending on the load)
10...32 V DC
≤ 100 mA
0.5 A
OFF (0 V) in case of an error
max. 12 A per group
0.1...15 A
20 A
≥ 10
6
≤ 3 ms
CR7021 / page 6
UK
23.08.2017
15
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