User's Manual
Siemens PLT 111 · 1999
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System architecture
Configuring
Standard function blocks
Output blocks for printer and process monitor
Organization blocks
Type Designation Function
GP
Group display Design of display hierarchy:
area display and group display
MEL
Alarm output Output of planned plain text
alarms with time (resolution 1 s);
also standard blocks, such as M,
generate alarms
BILD
+LAYO
Display output Output of plant-specific displays
PROT
+LAYO
Log output Output of plant-specific logs on
printers
PKF
Process coupling/
alarm sequence dis-
play
Output of PKM alarms
Type
Designation Function
XB
Processing, cyclic To inhibit/release a group of func-
tion blocks and to release each
n-th cycle
XA
Processing, acyclic To inhibit/non-recurring release a
sequence of function blocks.
When installed in the alarm level
(ZYK 1) as an ALARM block:
1 x execution of subsequent
block sequence
XZ
Time start For time-dependent switching-
on/off of XB blocks
FUTA
Function keys For switching-on/off of XA/XB
blocks by operator input
RNAM
Rename Modification of type name or
block name
APRO+
PROB
TML connection
(of PROBLEM
blocks)
To i nsert a user-s pecific TML pro-
gram into the execution list
Test blocks
Type Designation Function
TANZ
Test display Monitoring of binary and analog
variables;
selective access to variables
possible (max. 16 analog and 16
binary within a standard display)
TUEB
Test monitoring For sequence monitoring of TML
programs for:
• Cyclic sequence monitoring
• Non-recurring monitoring of a
program run
(up to 248 TML programs can be
monitored)
SYST.
WART
Test and mainte-
nance
Menu-controlled calling of main-
tenance programs:
•XB switchover
•CS 275 coupling status
• Activate error messages
•TML
• Reloading and selective
archiving
• System settings
This catalog is out of date, see note on page 1