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Schneider Electric Modicon 984 AS-B556-001

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AS-B556-001

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The AS-B556-001 is an I/O module manufactured by Schneider Electric for use in PLC applications. It features discrete digital inputs and operates within a specified temperature range.

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Technical specifications for AS-B556-001

ManufacturerSchneider Electric
Product TypeI/O Module
Product LineModicon 984
Part NumberAS-B556-001
Weight1.75 lbs (0.79 kg)
SeriesPLCs
Input TypeDiscrete Digital Inputs
Commons2 inputs per common
Input Current8 mA typical per input
MountingRack-mounted
Number of Inputs4
Input IsolationOptical isolation
Logic High Threshold≥ 2.0 VDC
Operating Temperature0°C to 60°C
Input Voltage Range0–5 VDC (TTL Compatible)
Response Time< 1 ms
Logic Low Threshold≤ 0.8 VDC
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Designed for flexibility, the Schneider Electric AS-B556-001 serves as an I/O module tailored for discrete digital inputs in programmable logic controllers. This module supports a total of four inputs, with each common accommodating two inputs. Optimized for fast data handling, it boasts a response time of less than 1 millisecond. The device draws a standard input current of 8 mA per input, ensuring consistent performance throughout its operation.

Electrical characteristics include a logic high threshold of 2.0 VDC or greater, while the logic low threshold must not exceed 0.8 VDC. It operates efficiently within an input voltage range of 0 to 5 VDC, maintaining compatibility with TTL input standards.

Protection from electrical noise is established through optical isolation, enabling reliable operation in various environments. The operating temperature range for this module spans from 0°C to 60°C, making it suitable for a diverse range of conditions. Weighing in at 0.78 kg and designed for rack mounting, the AS-B556-001 module is an excellent choice for efficient integration into existing systems.