Siemens SIMATIC S5 Manual page 254

List of Operations
for organization blocks (OB)
for program blocks (PB)
for function blocks (FB)
for sequence blocks (SB)
Operands
Ope-
ration
(STL)
I Q F T
Other Operations
IA
RA
D
I
Formal operand
DO=
• • • •
DO DW **
DO FW **
* Plus execution time of the substituted operation
** Permissible operations:
A, AN, O, ON;
S, R, =;
FR T, R T, SF T, S DT , SI T, SS T, SE T; D, I;
FR C, RC, SC, CD C, CU C
A-14
1 RLO-depend.? Execution time
2 RLO affected?
3 RLO reloaded?
C 1 2 3
N N N
N N N
N N N
N N N
N N N
•
N N N
N N N
L, LC, T;
JU, JC, JZ, JN, JP, JM, JO, SLW, SRW;
C DB; T RS, TNB
in µsec.
CPU
942F
Disable interrupt: input/output interrupt or timer OB
50
processing is disabled
Enable interrupt:
50
cancels the effect of IA
Decrement the low byte (bits 0 to 7) of ACCUM 1 by the value of
43
n (n = 0 to 255)
Increment the low byte (bits 0 to 7) of ACCUM 1 by the value of
43
n (n = 0 to 255)
122 * Process block. (Only C DB, JU PB, JU FB, JU SB can be substituted)
Process data word: the next operation is combined (ORed) with
118
the parameter specified in the data word and executed **.
Process flag word: the next operation is combined (ORed) with
102
the parameter specified in the flag word and executed **.
S5-115F Manual
Function
EWA 4NEB 811 6149-02