Operations List
S5-115U Manual
Abb.
Explanation
Byte constant
(fixed-point number)
BN
D
Data word (1 bit)
-
for load operations (supplementary operations) and
transfer operations (system operations)
-
for bit test and set operations (system operations)
DB
DL
DR
DW
I
IB
IW
FB
KB
KS
KF
KH
KM
KT
KY
KC
F
FY
Data block
Data word (left byte)
Data word (right byte)
Data word
Input
Input byte
Input word
Function block
Constant (1 byte)
Constant (2 characters)
Constant (fixed-point number)
Constant (hexadecimal code)
Constant (2-byte bit pattern)
Constant (time)
Constant (2 bytes)
Constant (count)
Flag
Flag byte
Permissible operand value range for
CPU 941
CPU 942
CPU 943
CPU 944
- 128 to + 127
0.0 to 255.15
2 to 255
0 to 255
0 to 255
0 to 255
0.0 to 127.7
0 to 127
0 to 126
0 to 255
0 to 255
any two alphanumeric characters
- 32768 to+32767
0 to FFFF
arbitrary bit pattern (16 bits)
0.0 to 999.3
0 to 255 (per byte)
0 to 999
0.0 to 255.7
0 to 255
FW
Flag word
0 to 254
C
Counter
- for the bit test and set operations (system operations)
0 to 127
0.0 to 127.15
OB
1
Organization block
0 to 255
A-2
EWA 4NEB 811 6130-02b
Содержание SIMATIC S5-115U
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