Siemens 6AV3971-1BA01-0DA0 | HMI Module Memory

The Siemens 6AV3971-1BA01-0DA0 expands the storage capacity of your HMI touch panel. This memory module fits directly into designated slots on TP and OP series panels. You can store additional recipes, screens, and data logs on this pluggable card. It preserves your project data even when you remove power from the panel. Consequently, this accessory eliminates the need for frequent data backups to external storage.

Technical Specifications Overview

Parameter	Detailed Specification
Model	Siemens 6AV3971-1BA01-0DA0
Category	SIMATIC HMI Module Memory (Expansion Card)
Memory Type	Flash-EEPROM (non-volatile)
Storage Capacity	1 MB (approximately 2000 recipe entries)
Data Retention	> 10 years (no battery required)
Read Speed	80 ns (typical access time)
Write Cycles	Minimum 100,000 erase/program operations
Compatibility	TP27, TP37, OP27, OP37, TP170, OP170 series
Operating Voltage	3.3V DC (from HMI panel slot)
Power Consumption	30 mA (active) / 1 µA (standby)
Dimensions (approx.)	45 mm x 32 mm x 8 mm
Weight	0.015 kg (15 grams)
Connector Type	32-pin standardized edge connector
Number of Components	Single PCB assembly (no external cabling)
Operating Temperature	0°C to 55°C
Storage Temperature	-20°C to 70°C

Functional Features and Storage Capabilities

The Siemens 6AV3971-1BA01-0DA0 uses Flash technology for true non-volatile storage. You can save and recall machine setups without any backup battery. The module stores text files, graphics, and configuration data securely. Furthermore, it supports direct read access for fast screen builds and alarm logging.

This memory module requires no special drivers or configuration software. The HMI panel automatically detects the additional capacity upon boot-up. Additionally, the solid-state design has no moving parts for maximum reliability. You can rewrite individual memory sectors without affecting other stored data.

Installation and Handling Guidelines

First, power down your HMI panel completely and disconnect the power supply. Next, locate the expansion slot cover on the rear or side of the panel. Then, remove the cover carefully using a small screwdriver. Finally, align the Siemens 6AV3971-1BA01-0DA0 with the guide rails and press firmly.

You must observe anti-static precautions when handling this module memory card. The gold-plated contacts are sensitive to moisture and skin oils. Always store spare modules in protective anti-static bags between uses. Furthermore, do not force the module if you feel resistance during insertion.

This memory module works perfectly for storing product changeover recipes. You can archive up to 200 parameter sets for different production batches. The Siemens 6AV3971-1BA01-0DA0 also backs up alarm histories and operator logs. It keeps legacy HMI panels functional without costly hardware upgrades.