Schneider DS 1255 Analog Input Module

The Schneider DS 1255 provides accurate analog signal acquisition for industrial control systems. This input module integrates seamlessly into Modicon and TSX platform architectures. Engineers will appreciate its multi-channel design and reliable signal conditioning capabilities.

Technical Specifications & Physical Characteristics

This analog input module features eight differential channels for voltage or current signal acquisition. The DS 1255 accepts 0-10V voltage inputs or 4-20 mA current signals with configurable ranges. Each channel includes 12-bit resolution for precise measurement of process variables.

Specifically, the module measures approximately 130 mm in height, 40 mm in width, and 110 mm in depth. Its total weight reaches roughly 0.32 kg, allowing for stable mounting in standard racks. Furthermore, this module contains no internal energy storage components, which simplifies maintenance procedures.

Parameter	Specification
Manufacturer	Schneider Electric
Model	DS 1255
Type	Analog Input Module
Number of Channels	8 Channels (differential)
Input Ranges	0-10V, 4-20 mA
Resolution	12 Bits
Conversion Time	2 ms per channel
Isolation	500V between channels and backplane
Dimensions (H x W x D)	130 mm x 40 mm x 110 mm
Weight	0.32 kg
Energy Storage	None

Signal Acquisition and Processing

You can configure each channel independently for voltage or current input types. The 8 differential channels provide excellent noise rejection for long field wiring runs. Built-in signal conditioning ensures accurate conversion across the full input range.

Moreover, the DS 1255 delivers 12-bit resolution with a 2 ms conversion time per channel. This speed suits applications requiring moderate sampling rates and precise measurement. For similar industrial control components, you can explore the RMS TSG TZ C Static Trip unit series.

Installation and Operational Features

The physical layout of the Schneider DS 1255 facilitates straightforward panel integration and wiring. Technicians will find the terminal blocks clearly labeled for error-free field connections. The module’s compact design enables high-density mounting within automation enclosures.

Furthermore, the unit incorporates no internal energy storage elements across its circuitry. This characteristic eliminates discharge waiting time during system power-down. Consequently, you can perform maintenance or replacement tasks immediately without safety delays.