Siemens 6ES5948 CPU948 Central Processing Unit

Feature & Principle

It is Siemens SIMATIC S5 series CPU948 main controller, the core processor of S5-155U PLC system. It runs STEP5 program, executes logic control, data processing and communication tasks. There are standard version and redundant CPU948R version for S5-155H hot standby system. It supports multi-rack expansion, equipped with serial communication interface, widely used in early large process control projects. This product has been discontinued and only used for maintenance replacement.

Specifications

Model: 6ES5948 (CPU948) Brand: Siemens Applicable system: SIMATIC S5-155U / S5-155H Programming language: STEP5 User memory: 640KB / 1664KB according to suffix Installation: S5 rack plug-in Power supply: 5V backplane bus Application: Power, metallurgy, chemical legacy DCS and PLC control cabinet Certification: CE

Components & Diagnostics

CPU processing chip, RAM memory, serial communication circuit, backplane gold finger, status LED, backup battery circuit. Common faults: battery loss causing program loss, communication failure, module cannot enter RUN, gold finger poor contact.

Product Brief

6ES5948 CPU module, Siemens S5-155U main control spare widely used for old industrial control cabinet overhaul and replacement.