Siemens 6ES5316-8MA11 IM316 Interface Module

Technical Overview

The Siemens 6ES5316-8MA11, also known as the IM316, is an interface module for the SIMATIC S5 programmable controller series. This unit acts as a rack expansion module that connects the central controller to multiple I/O racks, enabling system scalability and flexible hardware configuration . It forms a critical part of the S5 communication backbone, ensuring reliable data exchange between the CPU and distributed peripherals . This module is specifically compatible with the S5-100U, S5-100U/ET, and S5-200U programmable logic controllers .

The IM316 supports the connection of up to three expansion racks, significantly extending the system’s I/O capacity . A central processing unit can manage up to four additional racks, providing a total of 64 I/O modules . Its compact and lightweight design, weighing approximately 120 grams, allows for simple integration into existing control cabinets.

Technical Specifications

Parameter	Specification
Manufacturer	Siemens
Model Number	6ES5316-8MA11
Product Type	Interface Module / Rack Expansion Module
Model Designation	IM316
System Compatibility	SIMATIC S5-100U, S5-100U/ET, S5-200U
Supported Racks	Up to 3 expansion racks
Total I/O Modules	Up to 64 (with central processing unit)
Power Consumption	27 mA at +9 V
Dimensions (H x L x D)	45.4 mm x 135 mm x 39 mm
Weight	0.12 kg (120 g)
Product Status	Discontinued (since November 1, 1994), repairable
Country of Origin	Germany

Key Features

System Expansion Capability – The Siemens 6ES5316-8MA11 allows connection of up to three additional racks, providing system scalability for growing I/O requirements .

Cost-Effective Maintenance – Although this module is obsolete, repair services for the IM316 remain available, offering a cost-effective solution for extending the lifespan of existing S5 automation systems .

S5-100U Platform Compatibility – This module integrates seamlessly with SIMATIC S5-100U, S5-100U/ET, and S5-200U controllers, ensuring compatibility with legacy systems .

Efficient Power Consumption – The module draws only 27 mA at +9 V, minimizing its impact on the rack’s power supply .

Applications

The Siemens 6ES5316-8MA11 suits distributed control systems requiring rack expansion for additional I/O modules. It is ideal for manufacturing, process control, and material handling systems that rely on the SIMATIC S5 platform.