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Input current
for signal "1", typ.
Input delay (for rated value of input voltage)
For standard inputs
•
•
•
•
•
For interrupt inputs
•
for technological functions
•
Cable length
shielded, max.
unshielded, max.
Encoders
Connectable encoders
2-wire sensor
•
Isochronous mode
Isochronous mode (application synchronized up to
terminal)
Interrupts/diagnostics/status information
Diagnostics function
Interrupts
Diagnostics interrupt
Hardware interrupt
Diagnostics alarms
Monitoring of supply voltage
Wire break
Short-circuit
Diagnostics indicator LED
RUN LED
ERROR LED
Monitoring of supply voltage (PWR LED)
Channel status display
For channel diagnostics
For module diagnostics
Electrical isolation
Digital input module DI 32x24VDC BA (6ES7521-1BL10-0AA0)
Manual, 12/2016, A5E32363711-AD
Configurable
with "0" to "1", min.
with "0" to "1", max.
with "1" to "0", min.
with "1" to "0", max.
Configurable
Configurable
Permitted quiescent current (2-wire sensor),
max.
Technical specifications
6ES7521-1BL10-0AA0
2.7 mA
No
3 ms
4 ms
3 ms
4 ms
No
No
1000 m
600 m
Yes
1.5 mA
No
No
No
No
No
No
No
Yes; green LED
Yes; red LED
No
Yes; green LED
No
No
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