
Preliminary Remarks
Notes for the reader
This manual is intended for the manufacturers of machine tools using SINUMERIK 840C, 880
or 880 GA2.
With every new software version, certain functions, conditions, modules etc. are either no
longer possible or are added. Parts of this documentation affected by such changes are
marked by the following footnotes.
The Guide describes in detail the program structure and the operation set of the PLC.
The SINUMERIK documentation is organized in four parts:
• General documentation
• User documentation
• Manufacturer documentation and
• Service documentation
The Manufacturer Documentation for the SINUMERIK 840C and SINUMERIK 880 controls
is divided into the following:
• Loose-leaf Sheets/Instruction Manual
• Interface Guide
– Part 1: Signals
– Part 2: Connection Conditions
• Function Macros
• Function Blocks
– Package 0: Basic Functions
– Package 1/2: Tool Management
– Package 4/5: Computer Link
– Package 6: Loading and Unloading Tools with Code Carriers
– Package 7: Code Carriers
– Package 8: PLC-controlled Data Input/Output
• PLC 135 WB/WB2/WD Planning Guide
• S5-HLL High-Level Language Programming
Additional SINUMERIK publications are also available for all SINUMERIK controllers
(e.g. publications on the Measuring Cycles, CL800 Cycles language).
Please contact your Siemens regional office for further details.
Technical comments
• The PLC 135 WB is used with SINUMERIK 880 and 880 GA2.
• The PLC 135 WB2 is used with SINUMERIK 840C.
• The PLC 135 WD is used with SINUMERIK 840C, SW 3 and higher.
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