Technical specifications
Input voltage
Type of input voltage
•
for signal "0"
for signal "1"
•
•
Input current
•
Input delay (for rated value of input voltage)
For standard inputs
•
•
•
•
•
For interrupt inputs
•
Cable length
•
•
Encoders
Connectable encoders
•
•
Isochronous mode
•
•
•
22
Rated value, DC
Permissible voltage at input, max.
Permissible voltage at input, min.
for signal "1", typ.
Configurable
with "0" to "1", min.
with "0" to "1", max.
with "1" to "0", min.
with "1" to "0", max.
Configurable
Cable length shielded, max.
Cable length unshielded, max.
2-wire sensor
Permissible quiescent current (2-wire sensor),
max.
Isochronous operation (application
synchronized up to terminal)
Filtering and processing time (TCI), min.
Bus cycle time (TDP), min.
6ES7521-1BH00-0AB0
DC
24 V
-30 to +5 V
11 to 30 V
30 V
-30 V
2.5 mA
Yes; 0.05 / 0.1 / 0.4 / 1.6 / 3.2 / 12.8 / 20 ms
0.05 ms
20 ms
0.05 ms
20 ms
Yes
1000 m
600 m
Yes
1.5 mA
Yes
80 µs; with 50 μs filter time
250 µs
DI 16x24VDC HF Digital Input Module (6ES7521-1BH00-0AB0)
Manual, 01/2013, A5E03485952-01