SIEMENS 6ES7551-1AB00-0AB0 New and Original High quality

6ES7551-1AB00-0AB0

The 6ES7551-1AB00-0AB0 model product is the TM PosInput 2 counting and position detection module of Siemens S7-1500 series PLC. It is mainly used to connect RS-422 incremental encoders or SSI absolute encoders, with dual channel input capability. Each channel integrates 2 digital inputs (DI) and 2 digital outputs (DQ), which can achieve high-speed counting, position detection, and motion control functions. It supports real-time data interaction with PLC through PROFINET or PROFIBUS interface, and is suitable for scenarios in the industrial automation field that require precise position feedback and high-speed signal processing, such as packaging machinery, material sorting systems, and CNC machine tools. Its modular design is easy to integrate with other components of S7-1500 series, meeting the expansion requirements of distributed I/O architecture.

Technical specifcations for 6ES7551-1AB00-0AB0

Functional positioning and interface type: This product is the SIMATIC S7-1500 series TM PosInput 2 counting and position detection module, which supports RS-422 incremental encoder and SSI absolute encoder connections. Its core functions include high-speed counting, position detection, and motion control, suitable for precise position feedback requirements in industrial automation scenarios.

Channel configuration and signal type: The module is equipped with dual channel inputs, with each channel integrating 2 digital inputs (DI) and 2 digital outputs (DQ). Compatible encoder types include RS-422/TTL pulse encoders with/without directional signals, 24V incremental encoders (including forward/reverse pulse signals), and SSI absolute encoders, which meet the requirements of multi scene signal acquisition.

Counting and measurement performance: The maximum counting frequency can reach 800kHz (in 4x pulse evaluation mode), supporting incremental position detection. The measurement function covers parameters such as frequency, cycle, and speed, and can achieve accurate detection of absolute and relative positions, providing data support for high-speed motion control.

Electrical parameters and protection design: The power supply voltage range is 24V DC (20.4-28.8V DC), with a rated power consumption of about 5.5W. The module adopts a compact design (size 35 × 147 × 129mm), with high electromagnetic compatibility, meeting industrial environmental protection standards, and ensuring stable system operation.

Installation and communication characteristics: Supports standard DIN rail installation, compatible with S7-1500 system architecture. Real time interaction with PLC can be achieved through PROFINET or PROFIBUS interface, compatible with centralized and distributed operation modes, meeting different system configuration requirements.

Diagnostic and expansion capabilities: The module provides hardware interrupt and diagnostic interrupt functions, supporting module level diagnostics. Its flexible expansion design can seamlessly integrate with other components of the S7-1500 series, adapting to the functional expansion needs of complex automation systems.

Our Services:

1、All our products are new and orginal, and of good quality

2、Our prices are very competitive.

3、 We have a large quantity in stock, so we could help the customers to get the components which are dificult to get.

4、All inquiries will be valued and will reply in 24.

Packing & Delivery:

1、100% brand New and Original Factory Seal!

2、Warranty:1 year

3、Package: Original packing with cartons.

4、Delivery time: Shipped in 3-7 days after payment

5、All the goods will be tested before shipment

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