Siemens S7-300 PLCs module SM323 6ES7323-1BH01-0AA0 6ES7323-1BL00-0AA0

SM323, 8DI/8DO, DC24V, 0,5A

SM323, 16DI/DO, DC24V, 0,5A

SM327, 8DI/8DX, DC24V, 0,5A

Supply voltage

Load voltage L+

● Rated value (DC)

24 V

24 V

24 V

● permissible range, lower limit (DC)

20.4 V

20.4 V

20.4 V

● permissible range, upper limit (DC)

28.8 V

28.8 V

28.8 V

Input current

from load voltage L+ (without load), max.

40 mA

80 mA

20 mA

from backplane bus 5 V DC, max.

40 mA

80 mA

60 mA

Power loss

Power loss, typ.

3.5 W

6.5 W

3 W

Digital inputs

Number of digital inputs

8

16

8; 8 hard-wired, 8 others individually parameterizable

Input characteristic curve in accordance with IEC 61131, type 1

Yes

Yes

Yes

Number of simultaneously controllable inputs

horizontal installation

— up to 40 °C, max.

16

— up to 60 °C, max.

8

8

16

vertical installation

— up to 40 °C, max.

8

16

16

Input voltage

● Type of input voltage

DC

DC

DC

● Rated value (DC)

24 V

24 V

24 V

● for signal “0”

-30 to +5 V

-30 to +5 V

-30 to +5 V

● for signal “1”

13 to 30V

13 to 30V

+15 to +30 V

Input current

● for signal “1”, typ.

7 mA

7 mA

6 mA

Input delay (for rated value of input voltage)

for standard inputs

— at “0” to “1”, min.

1.2 ms

1.2 ms

1.2 ms

— at “0” to “1”, max.

4.8 ms

4.8 ms

4.8 ms

— at “1” to “0”, min.

1.2 ms

1.2 ms

1.2 ms

— at “1” to “0”, max.

4.8 ms

4.8 ms

4.8 ms

Cable length

● shielded, max.

1 000 m

1 000 m

1 000 m

● unshielded, max.

600 m

600 m

600 m

Digital outputs

Number of digital outputs

8

16

8; can also be parameterized individually as DI

Short-circuit protection

Yes

Yes

Yes

● Response threshold, typ.

1 A

1 A

1 A

Limitation of inductive shutdown voltage to

L+ (-53 V)

L+ (-48 V)

L+ (-54 V)

Controlling a digital input

Yes

Yes

Yes

Switching capacity of the outputs

● on lamp load, max.

5 W

5 W

5 W

Load resistance range

● lower limit

48 Ω

48 Ω

48 Ω

● upper limit

4 kΩ

4 kΩ

4 kΩ

Output voltage

● for signal “1”, min.

L+ (-0.8 V)

L+ (-0.8 V)

L+ (-1.5 V)

Output current

● for signal “1” rated value

0.5 A

0.5 A

0.5 A

● for signal “1” permissible range, min.

5 mA

5 mA

5 mA

● for signal “1” permissible range, max.

0.6 A

0.6 A

0.6 A

● for signal “1” minimum load current

5 mA

5 mA

● for signal “0” residual current, max.

0.5 mA

0.5 mA

0.5 mA

Output delay with resistive load

● “0” to “1”, max.

100 µs

100 µs

350 µs

● “1” to “0”, max.

500 µs

500 µs

500 µs

Parallel switching of two outputs

● for uprating

No

No

No

● for redundant control of a load

Yes; only outputs of the same group

Yes; only outputs of the same group

Yes; only outputs of the same group