Siemens SIMATIC S7 - STL Instructions; E.4 STL Instructions

References
E.4 STL instructions
S7-200 SMART
834 System Manual, V2.3, 07/2017, A5E03822230-AF
Clock A
Direction
/ Clock B
Reset
Single phase / Dual phase maximum
clock / input rate
AB quadrature phase maximum
clock / input rate
C model CPUs:
• n/a
C model CPUs:
• n/a
HSC5 I1.0 I1.1 I1.3 S model CPUs:
• 30 kHz
S model CPUs
• 20 kHz = Maximum 1x count rate
• 80 kHz = Maximum 4x count rate
C model CPUs:
• n/a
C model CPUs:
• n/a
1
S model CPUs: SR20, ST20, SR30, ST30, SR40, ST40, SR60, and ST60
2
C model CPUs: CR20s, CR30s, CR40s, and CR60s
E.4
STL instructions
Instructions
The STL instruction names and descriptions are shown in the tables below. See the chapter
on program instructions (Page 169) for the LAD and FBD instructions.
Boolean instructions
STL
Description
LD bit
LDI bit
LDN bit
LDNI bit
Load
Load Immediate
Load Not
Load Not Immediate
A bit
AI bit
AN bit
ANI bit
AND
AND Immediate
AND Not
AND Not Immediate
O bit
OI bit
ON bit
ONI bit
OR
OR Immediate
OR Not
OR Not Immediate
LDBx IN1, IN2 Load result of Byte Compare
IN1 (x:<, <=,=, >=, >, <>I) IN2
ABx IN1, IN2 AND result of Byte Compare
IN1 (x:<, <=,=, >=, >, <>) IN2
OBx IN1, IN2 OR result of Byte Compare
IN1 (x:<, <=,=, >=, >, <>) IN2
LDWx IN1, IN2 Load result of Word Compare
IN1 (x:<, <=,=, >=, >, <>) IN2