Specifications

Technical specifications
DI 32x24VDC HF digital input module (6ES7521-1BL00-0AB0)
42 Manual, 04/2015, A5E03485935-AE
6ES7521-1BL00-0AB0
Digital input functions, can be set in parameters
Gate start/stop
Yes
freely usable digital input
Yes
Counter
Number, max.
2
Counting frequency, max.
1 kHz
Counting width
32 bits
Counting direction up/down
Up
Input voltage
Type of input voltage
DC
Rated value (DC)
24 V
for signal "0"
-30 ... +5 V
for signal "1"
+11 ... +30 V
Input current
for signal "1", typ.
2.5 mA
Input delay (for rated value of input voltage)
For standard inputs
Configurable
Yes; 0.05 / 0.1 / 0.4 / 1.6 / 3.2 / 12.8 / 20 ms
with "0" to "1", min.
0.05 ms
with "0" to "1", max.
20 ms
with "1" to "0", min.
0.05 ms
with "1" to "0", max.
20 ms
For interrupt inputs
Configurable
Yes
for counters/technological functions
Configurable
Yes
Cable length
shielded, max.
1000 m
unshielded, max.
600 m
Encoders
Connectable encoders
2-wire sensor
Yes
Permissible quiescent current (2-wire sensor),
max.
1.5 mA
Isochronous mode
Isochronous mode (application synchronized up to
terminal)
Yes
Filtering and processing time (TCI), min.
80 µs; with 50 μs filter time
Bus cycle time (TDP), min.
250 µs