6ES7288-2DE16-0AA0 Siemens SIMATIC S7-200 SMART Digital I/O Module

Core parameters

Input points: 16 channels, DC input

Rated input voltage: DC 24V

Signal threshold

Signal "0" : -30 to +5V DC

Signal "1" : 13-30V DC

Input current: Typical value of 7mA per channel (at 24V)

Input delay: Default 0.2ms (can be set to 10ms through software to enhance anti-interference capability)

Isolation method: Electrical isolation between the channel and the backplane bus (isolation voltage 250V AC)

Working environment: Working temperature 0~60℃, storage temperature -40 ~+70℃. Humidity: 5% to 95% (non-condensing)

Power consumption: Typical value 3.5W, powered by the extended bus of the S7-200 SMART PLC (no external independent power supply required)

Function

High-efficiency expansion: Directly connected to the S7-200 SMART PLC (such as SR/ST series hosts) via an expansion bus, it is plug-and-play without complex wiring, quickly adding 16 digital input points to meet the requirements of medium-scale signal acquisition.

Anti-interference design: Supports adjustable input delay. The filtering time can be selected based on the on-site electromagnetic environment (such as near motors and frequency converters) to avoid signal misjudgment caused by high-frequency interference and enhance reliability.

Electrical isolation: The module and the PLC bus are equipped with isolation protection to reduce the impact of voltage fluctuations or ground interference from external devices (such as sensors and switches) on the main unit, ensuring the stable operation of the system.

Low-cost adaptation: As a member of the S7-200 SMART family, it has strong compatibility with the host and does not require additional programming to set addresses (automatically allocated), reducing debugging costs. It is suitable for small and medium-sized projects with limited budgets.

Application scenarios

Medium-sized production lines: such as food packaging lines and electronic component assembly lines, connect up to 16 limit switches, photoelectric sensors, buttons, etc., and collect the equipment status of multiple stations (such as conveyor belt operation, workpiece detection signals).

Equipment cluster monitoring: It is used for signal aggregation of multiple single-machine devices (such as punch presses and welding machines) in small workshops, collecting the emergency stop status and operation feedback of each device, and uploading them centrally to the PLC host.

Warehousing and logistics assistance: In small stereoscopic warehouses and conveyor line systems, collect signals such as storage location detection, door control switches, and photoelectric beams, and cooperate with PLC to achieve automated dispatching.

Renovation and upgrading project: When installing PLC control systems for traditional equipment (such as old machine tools and packaging machines), it serves as an input expansion module to achieve multi-signal digital collection at a low cost.

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