About

The Siemens PLC module 6ES7323-1BL00-0AA0 is designed for industrial use with a service period of 12 months. This standard-size module supports rack mounting and comes in a sleek black color. It offers reliability and efficiency in automation processes, making it a crucial component in industrial settings.

Key Features of the Siemens 6ES7323-1BL00-0AA0 Digital Output Module

1. 16 Digital Output Channels

   • Provides 16 outputs for binary control of external field devices such as relays, valves, indicators, and actuators.

2. 24V DC Output Standard

   • Operates with 24V DC signals, ensuring compatibility with most industrial automation equipment.

3. Robust Current Handling

   • Designed to support moderate current loads, making it suitable for devices like large relays, actuators, and small motors.

4. High-Speed Switching

   • Capable of fast switching times, ideal for applications requiring precise and rapid response, including real-time automation.

5. Integrated Status & Diagnostics

   • Provides output status indication and built-in diagnostic functions, enabling quick fault detection and easier troubleshooting.

6. Scalable Modular Design

   • Part of the SIMATIC S7-300 modular PLC family, allowing easy integration with additional modules for flexible and scalable system expansion.

7. Simple Configuration via STEP 7

   • Fully supported by Siemens STEP 7 engineering software for straightforward setup, parameterization, and programming.

Data Sheet – 6ES7323-1BL00-0AA0

SIMATIC S7-300 | Digital Module SM 323
16 Digital Inputs + 16 Digital Outputs, isolated 24 V DC • 0.5 A per output • Total output current 4 A • 1×40-pole connector

Supply Voltage

• Load voltage L+: 24 V DC

• Permissible range: 20.4 … 28.8 V DC

Input Current

• From L+ (no load): max. 80 mA

• From backplane bus (5 V): max. 80 mA

Power Loss

• Typical: 6.5 W

Digital Inputs

• Number of DI: 16

• Type according to IEC 61131: Type 1

Simultaneously Controllable Inputs

Horizontal installation:

• Up to 40 °C: 16

• Up to 60 °C: 8

Vertical installation:

• Up to 40 °C: 16

Input Voltage

• Type: DC

• Rated value: 24 V DC

• Signal “0”: –30 … +5 V

• Signal “1”: 13 … 30 V

Input Current

• Signal “1”: typ. 7 mA

Input Delay

• 0 → 1: 1.2 … 4.8 ms

• 1 → 0: 1.2 … 4.8 ms

Cable Length

• Shielded: max. 1000 m

• Unshielded: max. 600 m

Digital Outputs

• Number of DO: 16

• Short-circuit protection: Yes

  • Response threshold: typ. 1 A

• Inductive shutdown voltage: limited to L+ (–48 V)

• Controlling a DI: Yes

Switching Capacity

• Lamp load: max. 5 W

Load Resistance

• Minimum: 48 Ω

• Maximum: 4 kΩ

Output Voltage

• Signal “1”: ≥ L+ – 0.8 V

Output Current

• Rated value: 0.5 A

• Allowable range: 5 mA … 0.6 A

• Minimum load: 5 mA

• Residual current (“0”): max. 0.5 mA

Output Delay (resistive load)

• 0 → 1: ≤ 100 μs

• 1 → 0: ≤ 500 μs

Parallel Switching

• For uprating: No

• For redundancy: Yes (same group only)

Switching Frequency

• Resistive load: max. 100 Hz

• Inductive load: max. 0.5 Hz

• Lamp load: max. 100 Hz

Total Output Current (per group)

Horizontal installation:

• Up to 40 °C: 4 A

• Up to 60 °C: 3 A

Vertical installation:

• Up to 40 °C: 2 A

Cable Length

• Shielded: 1000 m

• Unshielded: 600 m

Encoder Compatibility

• 2-wire sensors: Yes

  • Max quiescent current: 1.5 mA

Diagnostics / Status

• Alarms: No

• Diagnostics: No

• LEDs:

  • DI status (green): Yes

  • DO status (green): Yes

Isolation / Potential Separation

Digital Inputs

• Between channels: Yes

• Groups: 16

• To backplane bus: Yes (optocoupler)

Digital Outputs

• Between channels: Yes

• Groups: 8

• To backplane bus: Yes (optocoupler)

• Isolation test voltage: 500 V DC

Connection Method

• Required front connector: 40-pin

Mechanical Data

• Width: 40 mm

• Height: 125 mm

• Depth: 120 mm

• Weight: approx. 260 g 

Technical Details