Siemens 6ES5921-1BA11 S5 PLC Module

Modular Control for Flexible Applications

The 6ES5921-1BA11 operates as a versatile PLC module for the Siemens SIMATIC S5 programmable controller series. This module provides flexible control capabilities for a variety of automation tasks. It integrates essential processing and communication functions in a single unit. The module supports diverse I/O configurations and expansion options. Consequently, it offers adaptability for changing system requirements.

Technical Specifications

Parameter	Specification
Manufacturer	Siemens
Series	SIMATIC S5
Category	PLC Module
Part Number	6ES5921-1BA11
Processor Type	8-bit (dedicated)
Program Memory	8 KB RAM (battery-backed)
Data Memory	2 KB RAM (battery-backed)
Communication	S5 backplane bus
Programming Port	RS-232
Power Supply	5 VDC (via backplane)
Current Consumption	1.5 A (typical)
Operating Temperature	0°C to +60°C
Storage Temperature	-40°C to +85°C
Dimensions	Standard S5 single-width
Weight	0.5 kg
Status Indicators	LEDs (power, run, stop, fault)

Processing and Communication

The 6ES5921-1BA11 provides reliable control for small to medium applications. It supports a limited set of digital I/O for straightforward tasks. The module includes a built-in programming interface for easy configuration. Users can store and retrieve programs via the integrated serial port.

Application Suitability

This PLC module suits small machines, conveyor sections, and simple process control. The 6ES5921-1BA11 also applies to packaging equipment and material handling systems. Its compact design fits tight spaces.