Technical data

Comparison operations
Operation Operand Function
! =
>< F
>D
> = G
<
<=
– Compare for equal to
Compare for not equal to
Compare for greater than
Compare for greater than or equal to
Compare for less than
Compare for less than or equal to
...F: compare two fixed point numbers (16 bits)
...D: compare two fixed point numbers (32 bits)
...G: compare two floating point numbers (32 bits)
Block operations
Operation Operand Function
J U
J C
OB 1 to 39
1)
OB 110 to 255
PB 0 to 255
FB 0 to 255
SB 0 to 255
Jump unconditionally
Jump conditionally (only when RLO = 1)
to an organization block
to a system program special function
to a program block
to an FB function block
to a sequence block
D O U
D O C
FX 0 to 255
Jump unconditionally
Jump conditionally (only when RLO = 1)
to an FX function block
B E
B E C
B E U
– Block end
Block end, conditional (only when RLO = 1)
Block end, unconditional
C
C X
DB 3 to 255
DX 3 to 255
Call a DB data block
Call a DX data block
G
GX
DB 3 to 255
DX 3 to 255
Generate data block DB
Generate data block DX
(ACCU 1 must contain the number of data words
– maximum 4091 – that the new block is to have )
1)
only for test purposes!
Table 3-8 Comparison operations
Table 3-9 Block operations
Basic Operations
CPU 928B Programming Guide
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