Siemens SIMATIC S5-90U, Системное руководство, Страница: 545 / 622

S5-90U/S5-95U Operations List, Machine Code and List of Abbreviations
* 1 RLO dependent ? 2 RLO affected ? 3 RLO reloaded?
Permissible
Operands
SS Start a stored on-delay timer
(stored in ACCU 1) on the
leading edge of the RLO. 65
SF 64 Start an off-delay timer (stored
in ACCU 1) on the trailing edge
of the RLO.
R 21 Reset a timer.
Counter Operations
CU 35 Counter counts up 1 on the
leading edge of the RLO.
CD 40 Counter counts down 1 on
leading edge of the RLO.
S 62 Set counter if RLO=”1”.
R 17 Reset counter if RLO=”1”.
Arithmetic Operations
-F 22 Subtract one fixed-point
number from another:
ACCU 2 - ACCU 1.
CC 1 / CC 0 / OV are affected.
+F 19 Add two fixed-point numbers:
ACCU 1+ACCU 2.
CC 1 / CC 0 / OV are affected.
Oper-
ation
(STL)
RLO*
1
S5-90U
Execution Time in
µ
s
Onboard Ext. I/O
Function
2 3
Y N Y
Y N Y
Y N Y
T
T
T
Y
Y
Y
Y
C
C
C
C
N
N
Y
Y
N Y
N Y
N N N
N N N
S5-95U
Execution Time in
µ
s
Onboard Ext. I/O
SD 65 Start an on-delay timer (stored
in ACCU 1) on the leading
edge of the RLO. Y N Y T 65
SE 64 Start a timer (stored in
ACCU 1) as extended pulse
(signal contracting and
stretching) on the leading edge
of the RLO. Y N Y T 64
Timer Operations (cont.)
65
64
21
35
40
62
17
22
19
Comparison Operations
!=F 20 Compare two fixed-point
numbers for ”equal to”: If
ACCU 2=ACCU 1, the RLO
is ”1”.
CC 1 / CC 0 are affected.
><F 22 Compare two fixed-point
numbers for ”not equal to”: If
ACCU 2 ACCU 1, the RLO
is ”1”.
CC 1 / CC 0 are affected.
N Y N
N Y N
21
22
EWA 4NEB 812 6115-02b
A-5