Article number | 6ES7321-1BH02-0AA0 | 6ES7321-1BH50-0AA0 | 6ES7321-1BL00-0AA0 | 6ES7321-1BP00-0AA0 | 6ES7321-1BH10-0AA0 |
SM321, 16DI, DC24V | SM321, 16DI, DC24V, Source Input | SM321, 32DI, DC24V | SM321, 64 DI, DC 24V, 3MS, P/M reading | SM321,16DI,DC24V, 0.05ms Input Delay. | |
Supply voltage | |||||
Load voltage L+ | |||||
● Rated value (DC)
|
24 V | 24 V | 24 V | 24 V | 24 V |
● permissible range, lower limit (DC)
|
20.4 V | 20.4 V | 20.4 V | 20.4 V | |
● permissible range, upper limit (DC)
|
28.8 V | 28.8 V | 28.8 V | 28.8 V | |
● Reverse polarity protection
|
Yes | ||||
Input current | |||||
from backplane bus 5 V DC, max. | 10 mA | 10 mA | 15 mA | 100 mA | 110 mA |
Power loss | |||||
Power loss, typ. | 3.5 W | 3.5 W | 6.5 W | 7 W | 3.8 W |
Digital inputs | |||||
Number of digital inputs | 16 | 16 | 32 | 64 | 16 |
Input characteristic curve in accordance with IEC 61131, type 1 | Yes | Yes | Yes | Yes | Yes |
Number of simultaneously controllable inputs | |||||
all mounting positions | |||||
— up to 40 °C, max.
|
64 | ||||
— up to 60 °C, max.
|
32 | ||||
horizontal installation | |||||
— up to 40 °C, max.
|
16 | 16 | 32 | 64 | 16 |
— up to 60 °C, max.
|
16 | 16 | 16 | 32 | 16 |
vertical installation | |||||
— up to 40 °C, max.
|
16 | 16 | 32 | 32 | 16 |
Input voltage | |||||
● Type of input voltage
|
DC | DC | DC | DC | DC |
● Rated value (DC)
|
24 V | 24 V | 24 V | 24 V | 24 V |
● for signal “0”
|
-30 to +5 V | -5 to +30V | -30 to +5 V | -30 to +5 V | -30 to +5 V |
● for signal “1”
|
13 to 30V | -13 to -30V | 13 to 30V | 13 to 30V | 13 to 30V |
Input current | |||||
● for signal “1”, typ.
|
7 mA | 7 mA | 7 mA | 4.2 mA | 7 mA |
Input delay (for rated value of input voltage) | |||||
for standard inputs | |||||
— parameterizable
|
No | No | No | No | No |
— Rated value
|
4.2 ms | ||||
— at “0” to “1”, min.
|
1.2 ms | 1.2 ms | 1.2 ms | 1.2 ms | 25 µs |
— at “0” to “1”, max.
|
4.8 ms | 4.8 ms | 4.8 ms | 4.8 ms | 75 µs |
— at “1” to “0”, min.
|
1.2 ms | 1.2 ms | 1.2 ms | 1.2 ms | 25 µs |
— at “1” to “0”, max.
|
4.8 ms | 4.8 ms | 4.8 ms | 4.8 ms | 75 µs |
Cable length | |||||
● shielded, max.
|
1 000 m | 1 000 m | 1 000 m | 1 000 m | 1 000 m |
● unshielded, max.
|
600 m | 600 m | 600 m | 600 m | 600 m |
Encoder | |||||
Connectable encoders | |||||
● 2-wire sensor
|
Yes | Yes | Yes | No | Yes |
— permissible quiescent current (2-wire sensor), max.
|
1.5 mA | 1.5 mA | 1.5 mA | 1.5 mA | |
Interrupts/diagnostics/status information | |||||
Alarms | No | No | No | No | No |
Diagnostics function | No | No | No | No | No |
Alarms | |||||
● Diagnostic alarm
|
No | No | No | No | No |
● Hardware interrupt
|
No | No | No | No | No |
Diagnoses | |||||
● Diagnostic information readable
|
No | ||||
● Wire-break
|
No | ||||
Diagnostics indication LED | |||||
● Group error SF (red)
|
No | ||||
● Status indicator digital input (green)
|
Yes | Yes | Yes | Yes | Yes |
● Encoder supply Vs (green)
|
No | ||||
Potential separation | |||||
Potential separation digital inputs | |||||
● between the channels
|
No | No | No | No | No |
● between the channels, in groups of
|
16 | 16 | 16 | 16 | 16 |
● between the channels and backplane bus
|
Yes; Optocoupler | Yes; Optocoupler | Yes; Optocoupler | Yes; Optocoupler | Yes; Optocoupler |
Isolation | |||||
Isolation tested with | 500 V DC | 500 V DC | 500 V DC | 500 V DC | 500 V DC |
Connection method | |||||
required front connector | 20-pin | 20-pin | 40-pin | Cable: 6ES7392-4Bxx0-0AA0 terminal blocks: 6ES7392-1xN00-0AA0 | 20-pin |
Dimensions | |||||
Width | 40 mm | 40 mm | 40 mm | 40 mm | 40 mm |
Height | 125 mm | 125 mm | 125 mm | 125 mm | 125 mm |
Depth | 120 mm | 120 mm | 120 mm | 112 mm | 120 mm |
Weights | |||||
Weight, approx. | 200 g | 200 g | 260 g | 230 g | 200 g |