Siemens 6ES5482-8MA11 I/O Module | 16/16 Digital S5-135U

Technical Overview

The Siemens 6ES5482-8MA11 is a mixed input/output module for the SIMATIC S5-135U programmable controller series. This module combines 16 digital input channels and 16 digital output channels in a single unit. It interfaces directly with field devices and actuators using 24 VDC signals. This integrated design saves valuable chassis space and simplifies system configuration. The module includes a front connector for easy wiring access.

Technical Specifications

Parameter	Specification
Manufacturer	Siemens
Model Number	6ES5482-8MA11
Product Type	Digital Input/Output Module
System Compatibility	SIMATIC S5-135U
Input Channels	16 (24 VDC)
Output Channels	16 (24 VDC, 0.5 A per channel)
Input Voltage	24 VDC
Output Voltage	24 VDC
Output Current	0.5 A per channel (resistive load)
Isolation	Optical (channels to backplane)
Input Delay	2 ms (typical)
Output Switching Time	0.2 ms (turn-on), 0.5 ms (turn-off)
Power Consumption	3.5 W (from backplane)
Terminal Type	48-pin front connector
Dimensions	233 x 37 x 268 mm
Weight	0.38 kg
Operating Temperature	0°C to +60°C
Storage Temperature	-40°C to +85°C
Humidity	5% to 95% RH (non-condensing)
Short-Circuit Protection	Yes (outputs)
Certifications	CE, UL, CSA
Country of Origin	Germany

Key Features

High-Density I/O Configuration – The 32-point design provides both input and output capability within a single slot. It saves panel space and reduces installation costs.

Optical Isolation – The 1500V isolation protects the CPU from field-side electrical noise and voltage transients.

Short-Circuit Protection – The module protects outputs from overload conditions, ensuring reliable operation.

Fast Response Times – The 2 ms input delay and sub-millisecond output switching support high-speed control loops.

Removable Front Connector – The 48-pin connector simplifies field wiring and accelerates module replacement.

Applications

The Siemens 6ES5482-8MA11 excels in discrete manufacturing, packaging systems, and machine control. It suits applications requiring both input and output in a compact footprint.