Product Overview
The Siemens 6ES5398-0KS11 functions as a removable storage medium for the S5 series programmable logic controllers. This memory card stores user programs, system parameters, and diagnostic data securely. Industrial facilities depend on this module for rapid program backups and controller firmware updates.
Technical Specifications
This memory card employs EPROM technology for non-volatile data retention. The Siemens 6ES5398-0KS11 fits directly into the dedicated memory slot on S5 CPUs and expansion units. Its compact design allows easy transportation between different controller stations. The card’s write-protect feature prevents accidental program modifications during routine maintenance.
| Parameter | Specification |
|---|---|
| Product Type | Memory Card / EPROM Storage Module |
| Series Compatibility | Siemens S5 Series PLC (CPU 115U, 135U, 155U) |
| Dimensions (W x H x D) | 45 mm x 65 mm x 6 mm |
| Weight | Approximately 0.05 kg |
| Memory Technology | EPROM (Erasable Programmable Read-Only Memory) |
| Storage Capacity | 8 KB (64 kbit) |
| Data Retention | Minimum 10 years without power |
| Write Cycles | Unlimited (reads only; programming via external device) |
| Access Time | 200 ns typical |
| Energy Storage | None required (non-volatile EPROM) |
| Voltage Supply | 5 V DC from the CPU slot |
| Current Consumption | Maximum 50 mA during read operations |
| Connector Type | 32-pin edge connector |
| Write Protection | Mechanical sliding switch on card body |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
Functional Capabilities
This card stores the complete user program including all logic blocks and data tables. The Siemens 6ES5398-0KS11 retains its contents indefinitely without any backup battery. System operators can remove this card from one CPU and insert it into another. This interchangeability simplifies machine cloning and disaster recovery procedures significantly.
Programming and Usage
Users program this EPROM card using a dedicated memory programmer device. The Siemens 6ES5398-0KS11 requires UV light exposure for complete erasure and reprogramming. However, most users treat it as a permanent storage medium for finalized programs. The card’s read-only nature guarantees consistent controller behavior in production environments.
Application Scenarios
Manufacturing engineers use this memory card for storing master program versions on-site. Besides that, it serves as a firmware backup for critical production line controllers. The Siemens 6ES5398-0KS11 also provides a portable program transfer medium between identical machines.
Reliability and Data Integrity
The EPROM technology ensures reliable data storage even under harsh industrial conditions. The Siemens 6ES5398-0KS11 resists vibration, humidity, and temperature variations effectively. A protective sticker covers the erase window to prevent accidental data loss. This card therefore delivers trustworthy performance throughout its operational lifetime.
Details
| Weight | 0.05 kg |
|---|---|
| Dimensions | 45 × 65 × 6 mm |



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