S7-300数字量输入/输出模块

S7-300数字量输入/输出模块

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概述

  • 数字量输入/输出

  • 用于连接标准开关、2线制接近开关(BERO)、电磁阀、接触器、低压电机、灯和电机起动器

应用

数字量输入/输出模块适用于连接：

  • 标准开关和两线制接近开关(BERO)

  • 电磁阀、接触器、小功率电机、灯和电机启动器

设计

数字量输入/输出模块具有下列机械特性：

  • 紧凑型设计：

    • 绿色 LED，用于指示输入/输出的信号状态，

    • 插入前连接器

    • 前门上的标签区

    • 连接器针脚分配，用于在前门内部进行配线。


  • 安装简单：
    没有插槽规则；输出地址由插槽决定。
    当在 ET 200M 中与有源总线模块一起使用时，可以进行热插拔，而不会有任何反应。

  • 方便用户接线

功能

数字量输入/输出模块转换

  • 来自过程的外部数字信号电平转换成控制器内部信号电平

  • 将控制器的内部信号电平转换成过程所要求的外部信号电平。

SM 327 是一个可升级的I/O模块。共有16个通道，其中8个通道是固定的，另8个通道可分别用作输入或输出。因此，该组和模块可以灵活地满足任何组合的需要。

6ES7323-1BH01-0AA0

6ES7323-1BL00-0AA0

6ES7327-1BH00-0AB0

技术规范

Article number

6ES7323-1BH01-0AA0

6ES7323-1BL00-0AA0

6ES7327-1BH00-0AB0


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

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

SIMATIC S7-300, DIGITAL MODULE

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 +5V

-30 to +5V

-30 to +5V

  • ● for signal "1"

13 to 30V

13 to 30V

+15 to +30V

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

Switching frequency




  • ● with resistive load, max.

100 Hz

100 Hz

100 Hz

  • ● with inductive load, max.

0.5 Hz

0.5 Hz

0.5 Hz

  • ● on lamp load, max.

10 Hz

100 Hz

10 Hz

Total current of the outputs (per group)




horizontal installation




  • — up to 40 °C, max.

4 A

4 A

4 A

  • — up to 60 °C, max.

4 A

3 A

3 A

vertical installation




  • — up to 40 °C, max.

4 A

2 A

2 A

Cable length




  • ● shielded, max.

1 000 m

1 000 m

1 000 m

  • ● unshielded, max.

600 m

600 m

600 m

Encoder




Connectable encoders




  • ● 2-wire sensor

Yes

Yes

Yes

  • — permissible quiescent current (2-wire sensor), max.

2 mA

1.5 mA

1.5 mA

Isochronous mode




Isochronous operation (application synchronized up to terminal)

No

No

No

Interrupts/diagnostics/status information




Alarms

No

No

No

Diagnostic functions

No

No

No

Diagnostics indication LED




  • ● Status indicator digital input (green)

Yes

Yes

Yes

  • ● Status indicator digital output (green)

Yes

Yes

Yes

Potential separation




Potential separation digital inputs




  • ● between the channels

Yes

Yes

No

  • ● between the channels, in groups of

8

16


  • ● between the channels and backplane bus

Yes; Optocoupler

Yes; Optocoupler

Yes; Optocoupler

Potential separation digital outputs




  • ● between the channels

Yes

Yes

No

  • ● between the channels, in groups of

8

8


  • ● between the channels and backplane bus

Yes; Optocoupler

Yes; Optocoupler

Yes; Optocoupler

Isolation




Isolation tested with

500 V DC

500 V DC

500 V DC

Connection method




required front connector

20-pin

40-pin

20-pin

Dimensions




Width

40 mm

40 mm

40 mm

Height

125 mm

125 mm

125 mm

Depth

120 mm

120 mm

120 mm

Weights




Weight, approx.

220 g

260 g

200 g


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