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Siemens SIMATIC 6ES7323-1BH01-0AA0

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6ES7323-1BH01-0AA0

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The Siemens 6ES7323-1BH01-0AA0 is a digital I/O module designated as SM 323. It features 8 input and 8 output channels, operating at 24 V DC within a voltage range of 20.4 to 28.8 V DC, ensuring reliable performance in industrial applications.

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Technical specifications for 6ES7323-1BH01-0AA0

ManufacturerSiemens
Product TypeDigital I/O Module (SM 323)
Product LineSIMATIC
Part Number6ES7323-1BH01-0AA0
UPC662643173758
Weight0.13 lbs (0.06 kg)
Input Channels8 (Digital)
Output Channels8 (Digital)
Operating Voltage24 V DC
Voltage Range20.4–28.8 V DC
Input TypeIEC 61131, Type 1
Input Signal Rangefor 0 = -30 to +5 V, for 1 = 13 to 30 V
Output Current per Channel0.5 A (Rated)
Total Output Current4 A (Max per group)
Output Short-Circuit ProtectionYes
Input Delay1.2–4.8 ms
Output Switching Frequency100 Hz (Resistive), 0.5 Hz (Inductive)
Potential IsolationOptocoupler (Inputs & Outputs)
Module Dimensions40 mm (W) × 125 mm (H) × 120 mm (D)
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The SM 323 digital I/O module, part number 6ES7323-1BH01-0AA0 from Siemens, is engineered for precise digital signal management. It comprises 8 channels each for input and output, designed for applications that require reliable and effective control.

The module operates with a fixed voltage of 24 V DC and has an allowable voltage range between 20.4 and 28.8 V DC. According to IEC 61131, it supports Type 1 input signals, with specifications defining the input signal range: a signal of 0 corresponds to -30 to +5 V, while a signal of 1 ranges from 13 to 30 V.

Each output channel can provide a rated current of 0.5 A, combining to sustain a maximum output current of 4 A per group. To promote further safety, the module includes short-circuit protection on its outputs. Switching frequency maintains 100 Hz for resistive loads and drops to 0.5 Hz for inductive loads, revealing good operational versatility. The input delay ranges from 1.2 to 4.8 milliseconds, ensuring swift signal processing.

For integration ease and electrical isolation, optocouplers are incorporated for both inputs and outputs, decreasing the risk of interference. With compact dimensions of 40 mm in width, 125 mm in height, and 120 mm in depth, the module weighs approximately 220 grams, making it suitable for numerous control panel configurations.