Siemens Simatic S7-300 CP 341 - Table 2- 23 Display Types in the Conversion Statement

Basic Principles of Serial Data Transmission
2.8 Configuration data
CP 341 Point-to-Point Communication, Installation and Parameter Assignment
Manual, 09/2008, A5E02191071-01 101
Display type
The table below describes the possible display types for the values of the variables. Display
types N and P are exceptions and are explained below the table.
The display type supports both uppercase and lowercase letters.
Table 2- 23 Display types in the conversion statement
Display type Associated data type Default display Width of the
default display
Description
A DATE, WORD (German) 10 German
Date format
C CHAR, BYTE
WORD
DWORD
ARRAY OF CHAR
ARRAY OF BYTE
A, B
AB
ABCD
ABCDE ...
ABCDE ...
1
2
4
–
–
Alphanumeric characters
D DATE, WORD –06–10 (American) 10 Date format compliant with
ICE 1131-3
F REAL, DWORD 0.123456 8 Floating point, without exponent
H All data types incl.
ARRAY OF BYTE
In accordance with the
data type
In accordance
with the data type
Hexadecimal format
I INT, WORD
DINT, DWORD
–32767
–2147483647
Max. 6
Max. 11
Integer range
N
(1)
WORD (text number) Message text output – Integer 0 to 1999
P
(2)
INT, WORD Set page number 5 –
R REAL, DWORD E–04 8 Floating point, with exponent
S STRING Text output – Text strings
T
(1)
TIME, DWORD d_3h_10m_5s_250ms Max. 22 Duration (negative duration is
identified by a leading (-) minus
sign)
U BYTE
WORD
DWORD
255
65535
4294967295
Max. 3
Max. 5
Max. 10
Integer range, unsigned
X BOOL
BYTE
WORD
DWORD
1
11101100
(16)
(32)
1
8
16
32
Binary format
Y
(3)
DATE_AND_TIME_
OF_DAY, DT
10.06.1992
–15:42:59.723
25 Date and time of day
Z TIME_OF_DAY
DWORD
15:42:59.723 12 Time
(1)
If there is no message text number or system time in these display types, 6 "*" characters appear in the printout instead
(the CP 341 does not keep the time). %N is the only conversion statement which cannot be used in the message text.
(2)
The P display type is only permitted in the format string. P is not permitted in configurable message texts.
(3)
The current time and date must be read first by means of the SFC 1 "READ_CLOCK" system function and stored in the
user memory (bit memory, data).
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