Siemens SIMATIC S5 Manual page 242

List of Operations
Abb. Explanation
Counter
C
- with the "Bit test" and "Set"
supplementary operations
BF Byte constant (fixed-point number)
D Data word (1 bit)
DB Data block
DL Data word (left-hand byte)
DR Data word (right-hand byte)
DW Data word
F Flag
FY Flag byte
FW Flag word
FB Function block
I Input
IB Input byte
IW Input word
KB Constant (1 byte)
KC Constant (count)
KF Constant (fixed-point number)
KH Constant (hexadecimal code)
KM Constant (2-byte bit pattern)
KS Constant (2 characters)
KT Constant (time)
KY Constant
A-2
Permissible value range for operands for
CPU 942F
0 to 127.7
0.0 to 127.7
- 128 to + 127
0.0 to 255.15
4 to 255
0 to 255
0 to 255
0 to 255
0.0 to 255.7*
0 to 255*
0 to 254*
0 to 255
0.0 to 127.7
0 to 127
0 to 126 (digital)
128 to 254 (analog)
0 to 255
0 to 999
- 32768 to + 32767
0 to FFFF
Arbitrary bit pattern (16 bits)
Any 2 ASCII characters
0.0 to 999.3
0 to 255 (as 2 bytes)
S5-115F Manual
EWA 4NEB 811 6149-02