Application - Siemens Simatic S5 Operating Instructions Manual

General
Application
The programming unit 631 is used for compilin
and testing STEP-5 user-programs for the
SIMATIC-S5 programmable controllers 55-010,
-1lOA and -130 A/K.
The PU 631 permits programs to be written in
either statement list (STL) or ladder diagram
(LAD) formats of representation.
Using a printer, the statement list,
the ladder diagram and the cross reference
list may be printed out.
The built-in EPROM-programming unit enables
programs to be stored on EPROM-modules.