Siemens SIMATIC S5 User manual

Operating Instructions
Programming Unit
631

Contents
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Application
Controls
Connections
Principle of operation
Calling up program sections
Search run
Overwriting statements
Inserting statements
Erasing statements
Inserting networks
Erasing networks
Examples for corrections in
LAD
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,, \ Printing out the program
1, .l
,,
Printing out the cross reference list
Printing out the screen contents
Direct signal status display
Program dependent signal status display
Forcing of Outputs, flags and timers
Cross reference for single operands
Clearing the PU-memory
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Transfer contents of PC-memory into PU-memory
Transfer contents of EPROM-module into PU-memory
Transfer contents of PU-memory into EPROM-module
Compare contents of PU-memory with contents
of EPROM-module
( ') TEST EPROM-module for complete erasure
'.-J'
Meaning of the function keys
3

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.

Controls

Subdivision of VDU-screen
Function field: The chosen function
is displayed, e.g. "41-PROG STL"
(Programming in statement list format)
PC-field: Displays the
PC type chosen
and the operating mode of the
PU631
with the PC, e.g. "PC-11OA WITH PU-MEM"
NW-field: Displays the current network
number.
ADR-field: Displays the address of the
statement in input field (hexadecimal
and decimal)
Input field: The input field is sub-
divided into individual areas.
All
inputs are initially displayed here
and may
be overwritten at random,
until the transfer key
is
pressed.
Message field
1 and 2: Display of
messages and acknowledgements.
Output field: Display of the program
as statement list or as ladder
diagram.
Message
field
2
ADR - field
NW - field
PC - field
l Output field
Message field 1
1 Function field
Input field

Keyboard
Keys for selecting and
executing the functions
of the programming unit:
Changing
a function or
discontinuing the
current function
Search run
Transfer key
Erasing the input field
m
Signal status indication
Ending an input or
a correction and
changeover to output
Begin
a correction
Inserting a statement
B Erasing a statement
Begin inputting or begin
inserting
a network
Erasing a Network

Keyboard
Positioning keys:
Keys for inputting the program
: end of program
Select start of program
. next network
Select previous network
. next statement
Select previous statement
STL
LAD
\
Logic AND Contact connnected
in series
Logic
OR Single parallel
contact
Scan for Identifies normally
"Zero" closed contacts
OR operation Mark to denote the
of
AND
termination of a
functions parallel branch
W operation Beginning of a
,
j. '
of bracketed parallel branch
expressions:
"A("

STL LAD
Close bracket Termination of
prallel branches
Assignment ~elay/contactor
(coil)
Set Energize and
latch relay/
contactor
Reset Deenergize and
latch relay/
contactor
Load
Set time as pulse
;~;~:ime as extended
P
Count down
1 End of network
End module
conditional
l
End module

The numeral keys are used
to input parameters and addresses,
as well as to select the functions
via screen forms (menus).
Operand identifier
for input
Operand identifier
for output
Operand identifier
for flag
Operand identifier
for timer
Operand identifier
for counter
Operand identifier
for peripherals
Operand identifier
for byte
(only in conjunction
with
P, Q or F)

Connections
The mains connection and the mains
switch are located
at the rear of
the unit.
The connection to the PC, the printer
connection and the receptacle for the
EPROM-module are located on top
of the
PU 631 under a cover.
Heceptacle for EPROM-module
PC-interface
Printer connection