Siemens 6ES7321-1BL00-0AA0 SIMATIC S7-300, Digital input SM 321, Isolated 32 DI, 24 V DC, 1x 40-pole

 

 

 

 

Data sheet 6ES7321-1BL00-0AA0
SIMATIC S7-300, Digital input SM 321, Isolated 32 DI, 24 V DC, 1x 40-pole
Supply voltage
Load voltage L+
● Rated value (DC) 24 V
● permissible range, lower limit (DC) 20.4 V
● permissible range, upper limit (DC) 28.8 V
Input current
from backplane bus 5 V DC, max. 15 mA
Power loss
Power loss, typ. 6.5 W
Digital inputs
Number of digital inputs 32
Input characteristic curve in accordance with IEC 61131, type 1 Yes
Number of simultaneously controllable inputs
horizontal installation
— up to 40 °C, max. 32
— up to 60 °C, max. 16
vertical installation
— up to 40 °C, max. 32
Input voltage
● Type of input voltage DC
● Rated value (DC) 24 V
● for signal "0" -30 to +5 V
● for signal "1" 13 to 30V
Input current
● for signal "1", typ. 7 mA
Input delay (for rated value of input voltage)
for standard inputs
— parameterizable No
— at "0" to "1", min. 1.2 ms
— at "0" to "1", max. 4.8 ms
— at "1" to "0", min. 1.2 ms
— at "1" to "0", max. 4.8 ms
Cable length
● shielded, max. 1 000 m
● unshielded, max. 600 m
Encoder
Connectable encoders
● 2-wire sensor Yes
— permissible quiescent current (2-wire sensor), max. 1.5 mA
Interrupts/diagnostics/status information
6ES73211BL000AA0
Page 1/2 1/11/2024 Subject to change without notice
© Copyright Siemens
Alarms No
Diagnostics function No
Alarms
● Diagnostic alarm No
● Hardware interrupt No
Diagnostics indication LED
● Status indicator digital input (green) Yes
Potential separation
Potential separation digital inputs
● between the channels No
● between the channels, in groups of 16
● between the channels and backplane bus Yes; Optocoupler
Isolation
Isolation tested with 500 V DC
connection method
required front connector 40-pin
Dimensions
Width 40 mm
Height 125 mm
Depth 120 mm
Weights
Weight, approx. 260 g
last modified: 8/16/2023
6ES73211BL000AA0
Page 2/2 1/11/2024 Subject to change without notice
© Copyright Siemens