SIEMENS SIPLUS S7-300 SM 323 digital input/output modules

SIPLUS S7-300 SM 323 Overview

  • Digital inputs and outputs
  • For connection of switches, 2-wire proximity switches (BEROs), solenoid valves, contactors, low-power motors, lamps and motor starters
Note:

SIPLUS extreme products are based on SIMATIC standard products. The contents listed here were taken from the respective standard products. SIPLUS extreme-specific information was added.

SIPLUS S7-300 SM 323 Application

Digital input/output modules are suitable for the connection of:

  • Standard switches and two-wire proximity switches (BERO)
  • Solenoid valves, contactors, low-power motors, lamps and motor starters
SIEMENS SIPLUS S7-300 SM 323 digital input/output modules

SIPLUS S7-300 SM 323 Ordering data

Product No. / Product Description Listprice / Your price
6AG1323-1BH01-2AA0
SIPLUS S7-300 SM 323-20-pole -40…+70 °C with conformal coating Conformity with EN 50155 T1 Kat 1 Kl A/B based on 6ES7323-1BH01-0AA0 . digital module Isolated 8DI and 8DO, 24 V DC, 0.5 A Total current 2 A

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SIPLUS S7-300 SM 323 Design

The digital input/output module features the following mechanical characteristics:

  • Compact design:
    • Green LEDs for indicating the signal states on the inputs/outputs,
    • Plug-in option for the front connector
    • Labeling field on the front door
    • Connector pin assignment for the wiring on the inside of the front door.
  • Simple installation:
    There are no slot rules, the addresses of the outputs are determined by the slot.
    When used in ET 200M in combination with active bus modules, hot swapping is possible without any reaction.
  • User-friendly wiring

SIPLUS S7-300 SM 323 Function

The digital input/output modules convert

  • the level of the external digital signals from the process to the internal signal level of the controller and
  • the internal signal level of the controller to the external signal level required by the process.

The SM 327 is an additional finely scalable IO module. It has a total of 16 channels, whereby 8 channels are permanently defined and a further 8 channels can be used individually as inputs or outputs. This hybrid module can therefore be flexibly implemented for any combinations.

Technical specifications

Article number

6AG1323-1BH01-2AA0

SIPLUS SM323 8DE/8DA

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 load voltage L+ (without load), max.

40 mA

from backplane bus 5 V DC, max.

40 mA

Power loss

Power loss, typ.

3.5 W

Digital inputs

Number of digital inputs

8

Input characteristic curve in accordance with IEC 61131, type 1

Yes

Number of simultaneously controllable inputs

horizontal installation

  • — up to 60 °C, max.

8

vertical installation

  • — up to 40 °C, max.

8

Input voltage

  • ● Type of input voltage

DC

  • ● Rated value (DC)

24 V

  • ● for signal “0”

-30 to +5V

  • ● 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

  • — 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

Digital outputs

Number of digital outputs

8

Short-circuit protection

Yes

  • ● Response threshold, typ.

1 A

Limitation of inductive shutdown voltage to

L+ (-53 V)

Controlling a digital input

Yes

Switching capacity of the outputs

  • ● on lamp load, max.

5 W

Load resistance range

  • ● lower limit

48 Ω

  • ● upper limit

4 kΩ

Output voltage

  • ● for signal “1”, min.

L+ (-0.8 V)

Output current

  • ● for signal “1” rated value

0.5 A

  • ● for signal “1” permissible range, min.

5 mA

  • ● for signal “1” permissible range, max.

0.6 A

  • ● for signal “1” minimum load current

5 mA

  • ● for signal “0” residual current, max.

0.5 mA

Output delay with resistive load

  • ● “0” to “1”, max.

100 µs

  • ● “1” to “0”, max.

500 µs

Parallel switching of two outputs

  • ● for uprating

No

  • ● for redundant control of a load

Yes; only outputs of the same group

Switching frequency

  • ● with resistive load, max.

100 Hz

  • ● with inductive load, max.

0.5 Hz

  • ● on lamp load, max.

10 Hz

Total current of the outputs (per group)

horizontal installation

  • — up to 60 °C, max.

4 A

vertical installation

  • — up to 40 °C, max.

4 A

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.

2 mA

Isochronous mode

Isochronous operation (application synchronized up to terminal)

No

Interrupts/diagnostics/status information

Alarms

No

Diagnostic functions

No

Diagnostics indication LED

  • ● Status indicator digital input (green)

Yes

  • ● Status indicator digital output (green)

Yes

Potential separation

Potential separation digital inputs

  • ● between the channels

Yes

  • ● between the channels, in groups of

8

  • ● between the channels and backplane bus

Yes; Optocoupler

Potential separation digital outputs

  • ● between the channels

Yes

  • ● between the channels, in groups of

8

  • ● between the channels and backplane bus

Yes; Optocoupler

Permissible potential difference

between different circuits

75 V DC/60 V AC

Isolation

Isolation tested with

500 V DC

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