The 6ES5911-0AA42 is an EPROM memory module from the Siemens SIMATIC S5 series, built to store program code securely in legacy control systems. This module keeps firmware and user programs available even without continuous power. Consequently, engineers still specify it for maintaining older S5 installations.
Technical Specifications at a Glance
The table below summarizes the essential technical parameters of the 6ES5911-0AA42. Each value reflects the manufacturer’s official data sheet.
| Parameter | Specification |
|---|---|
| Product type | EPROM memory module |
| Compatibility | SIMATIC S5 PLC systems |
| Memory type | UV-erasable EPROM |
| Memory capacity | 32 KB |
| Dimensions (W x H x D) | Approx. 130 x 100 x 20 mm |
| Weight | Approx. 0.15 kg |
| Interface | Backplane bus connector |
| Power supply | Via PLC backplane |
| Energy storage | Non-volatile, no battery required |
| Part count | Single PCB cartridge assembly |
Memory Type and Data Retention
This module uses UV-erasable EPROM for storing program code permanently. Moreover, it retains data without any battery backup or continuous power. Therefore, it suits applications where program integrity matters most.
Physical Design and Installation
The module measures roughly 130 x 100 x 20 mm and weighs about 0.15 kg. Furthermore, it plugs directly into the S5 backplane through a standard connector. As a result, technicians can install or swap it without special tools.
Compatibility and Integration
The 6ES5911-0AA42 works exclusively with SIMATIC S5 programmable controllers. Additionally, it draws power from the host PLC backplane. Consequently, no separate wiring or external supply is necessary.
Details
| Weight | 0.72 kg |
|---|---|
| Dimensions | 325 × 168 × 8 mm |
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