Siemens Simatic s7-1500 Manual page 21

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
Electrical isolation of channels
Between the channels
Between the channels, in groups of
Between the channels and backplane bus
DI 16x230VAC BA Digital Input Module (6ES7521-1FH00-0AA0)
Manual, 09/2016, A5E03485975-AD
Configurable
with "0" to "1", max.
with "1" to "0", max.
Configurable
Configurable
Permitted quiescent current (2-wire sensor),
max.
Technical specifications
6ES7521-1FH00-0AA0
No
25 ms
25 ms
No
No
1000 m
600 m
Yes
2 mA
No
No
No
No
No
No
No
Yes; green LED
Yes; red LED
No
Yes; green LED
No
Yes; red LED
No
4
Yes
21