Forty-Character Message Format - Siemens SIMATIC TD 200 User Manual

Forty-Character Message Format

The 40-character message format requires 40 bytes of V memory storage in the
S7-200 CPU for each message. Each message requires both lines of the TD 200
display, allowing only one message to be shown at a time. Figure D-8 shows an
example of how a 40-character message can be formatted in the CPU and
displayed on the TD 200.
How the Message Looks in V Memory
P R
P 1
Text 3
How the Message Is Displayed on the TD 200
P R
P 1
Figure D-8 Forty-Character Message Format
SIMATIC TD 200 Operator Interface
C79000-G7076-C272-01
Format
Word
Text 1
E S S U R E
= f f Value m m
Format Variable
Word Data
(word)
E S S U R E
= 1 2 3 4 m m
TD 200 Parameters and Messages
Variable
Data
(word)
Text 2
f f Value P S
P 2 = f f Value
Text 4 Format Variable
Word Data
(word)
1 2 3 4 P S
P 2 = 5 6
I
m m
Text 5
I
7 m m
D-11