Siemens 6ES5581-2LA11 CP581 Storage Module Inquiry Item

Description

6ES5581-2LA11 is CP581 mass storage module of Siemens SIMATIC S5 PLC series. It provides large-capacity storage space for S5 automation controllers, used for storing user programs, process data, production logs and configuration parameters. It is inserted into S5 rack and communicates with CPU via backplane bus. This product is obsolete, widely used as maintenance spare part for old S5 DCS and production control systems.

Specification

Model: 6ES5581-2LA11 Brand: Siemens Type: Mass storage module Compatible system: SIMATIC S5 PLC series Installation: Plug-in on S5 rack backplane Certification: CE Protection grade: IP20

Component and Fault Diagnosis

It includes storage chip array, backplane bus interface circuit, status LED indicators and PCB substrate. Common faults: Data read-write failure, storage recognition error, module cannot be identified by CPU, data loss, communication interruption.

Disclaimer

This spare part shall be installed, calibrated and maintained by qualified instrument technicians. Confirm S5 CPU model and rack compatibility before commissioning.