6ES7326-1BK01-0AB0 SIEMENS Power module

Description

6ES7326-1BK01-0AB0 SIEMENS Power module

Product Dimensions：

Product Description

The Siemens 6ES7326-1BK01-0AB0 is a high-performance digital input module belonging to the SIMATIC S7-300 automation system. Specifically, it is a Failsafe (F-module) designed for use with SIMATIC S7 Distributed Safety or Failsafe systems. This module features 24 digital inputs and is engineered to meet stringent safety requirements up to SIL 3 (IEC 61508) or PLe (ISO 13849). It provides robust monitoring of safety-related sensors, such as emergency stop buttons, light curtains, and safety switches, ensuring reliable signal processing in hazardous environments.

Product Parameters

Supply Voltage: 24V DC Number of Digital Inputs: 24 Input Voltage Type: DC Input Current: Typically 10 mA per channel Safety Integrity Level: SIL 3 (IEC 61508) Performance Level: PLe (ISO 13849-1) Galvanic Isolation: Yes, between the backplane bus and the inputs Power Loss: Approximately 10 W Dimensions: 80mm (Width) x 125mm (Height) x 120mm (Depth) Weight: Approximately 442g

Advantages

The module offers a high density of 24 channels within a compact S7-300 form factor, optimizing cabinet space. Its integrated safety functions eliminate the need for traditional hard-wired safety relays, reducing wiring complexity and potential points of failure. The module includes sophisticated internal diagnostic capabilities that can detect external faults, such as short circuits or wire breaks, and internal hardware discrepancies. Furthermore, it supports easy integration into the TIA Portal or Step 7 environments, allowing for streamlined configuration and maintenance.

Precautions

Ensure that the module is installed in a properly grounded S7-300 rail to maintain electromagnetic compatibility and safety integrity. When wiring, users must follow specific safety standards regarding redundant cabling if the application requires SIL 3 or PLe. It is critical to use the appropriate front connector (40-pin) and ensure the power supply is stable within the 20.4V to 28.8V DC range. Modification of safety parameters should only be performed by qualified personnel, as incorrect configuration can compromise the safety function of the entire system.

Applications

This module is primarily used in industrial sectors where functional safety is mandatory. Common applications include automobile manufacturing lines where robot cells require emergency stop monitoring, and chemical processing plants where safety-related pressure or level switches must be monitored. It is also widely used in material handling systems for light curtain integration and in power generation facilities for critical interlocking circuits.

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