Siemens 6FX1 138-6BB01 SINUMERIK 880 CPU Module Overview

The Siemens 6FX1 138-6BB01 is a SINUMERIK 880 PLC CPU module. This CPU board carries the designation 135WB/COP for specific machine tool applications. It provides 128 KB of RAM memory for program and data storage. The 6FX1 138-6BB01 is supplied without software for maximum installation flexibility. Therefore, you must load your own application software onto the module. This CPU is designed for SINUMERIK 880 CNC systems in industrial machine tool environments.

Technical Specifications

The Siemens 6FX1 138-6BB01 serves as the central processing unit for SINUMERIK 880 systems. The CPU board type is 135WB/COP for compatibility with specific backplanes. RAM memory capacity is 128 KB for user programs and data tables. The module operates without pre-installed software. Consequently, you must configure and load the appropriate firmware for your application. The 6FX1 138-6BB01 integrates into SINUMERIK 880 PLC racks for machine tool control.

Compatibility & Application

The Siemens 6FX1 138-6BB01 is designed for SINUMERIK 880 CNC systems. This CPU works with other SINUMERIK 880 modules for complete machine control. Typical applications include lathes, milling machines, machining centers, and other CNC equipment. The 6FX1 138-6BB01 provides PLC functionality for auxiliary machine functions. These functions include coolant control, tool changers, and workpiece handling. The 128 KB RAM supports moderate-sized automation programs.

Key Features & Benefits

• SINUMERIK 880 compatibility – The 6FX1 138-6BB01 integrates seamlessly into Siemens CNC systems.

• 128 KB RAM capacity – Provides sufficient memory for PLC programs and machine logic.

• 135WB/COP design – Matches specific SINUMERIK 880 backplane configurations.

• Software flexible – The 6FX1 138-6BB01 accepts custom application software for your machine.

• PLC CPU functionality – Handles auxiliary machine control tasks independently from the NC processor.

• Genuine Siemens part – Original module with full compatibility for SINUMERIK 880 systems.

Installation Guidelines

Follow these steps to install the Siemens 6FX1 138-6BB01 correctly. First, power down the SINUMERIK 880 system completely. Second, select the correct slot for the CPU module in the PLC rack. Third, align the 6FX1 138-6BB01 with the card guides in the chassis. Fourth, push the module firmly into the backplane connector until fully seated. Fifth, secure the module with the retaining screws at top and bottom. Finally, apply power and load your application software into the 128 KB RAM.

Do not install or remove the 6FX1 138-6BB01 while power is applied. Use appropriate electrostatic discharge precautions when handling the module. Ensure your software does not exceed the 128 KB memory limit. The 6FX1 138-6BB01 requires proper configuration before machine operation.

Package Contents

Your shipment includes the following items:

• 1 x Siemens 6FX1 138-6BB01 SINUMERIK 880 PLC CPU module

• 1 x Installation guide with basic mounting instructions

• 1 x Memory protection label for battery-backed RAM

No software is included with the 6FX1 138-6BB01. Therefore, you must provide your own application software for machine control. Likewise, no connecting cables or backplane are provided.

Frequently Asked Questions (FAQ)

1. What is the RAM capacity of the 6FX1 138-6BB01?
The Siemens 6FX1 138-6BB01 has 128 KB of RAM memory. This capacity supports moderate-sized PLC programs for CNC machine tools.

2. Does this CPU module come with pre-installed software?
No. The 6FX1 138-6BB01 is supplied without software. Therefore, you must load your own application software during commissioning.

3. What systems is this CPU compatible with?
The Siemens 6FX1 138-6BB01 is designed for SINUMERIK 880 CNC systems. It serves as the PLC CPU for auxiliary machine functions.

4. What does the 135WB/COP designation mean?
The 6FX1 138-6BB01 carries the 135WB/COP board designation. This identifies the specific CPU board type for SINUMERIK 880 backplane compatibility.

5. Is this module still supported by Siemens?
The SINUMERIK 880 series is a legacy product line. Therefore, the 6FX1 138-6BB01 is available as replacement or spare part for existing installations.

Why Choose the Siemens 6FX1 138-6BB01?

This SINUMERIK 880 PLC CPU module delivers reliable control for legacy CNC machine tools. For starters, the Siemens 6FX1 138-6BB01 provides 128 KB of RAM for PLC programs. The 135WB/COP design ensures compatibility with specific SINUMERIK 880 backplanes. As a CPU board, it handles all auxiliary machine control functions independently. These functions include coolant pumps, tool changers, conveyors, and safety interlocks. The 6FX1 138-6BB01 works seamlessly with other SINUMERIK 880 modules. Supplying the module without software offers maximum flexibility for your specific application. Consequently, you can load custom programs tailored to your machine requirements. Most importantly, this genuine Siemens CPU maintains original compatibility for legacy system repairs and expansions.

Order the Siemens 6FX1 138-6BB01 today for your SINUMERIK 880 CNC system needs. This CPU module is perfect for machine tool retrofits, legacy system maintenance, and spare parts inventory for existing SINUMERIK 880 installations.