Instruction Set - Siemens SINUMERIK 802C base line Technical Manual
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Also See for SINUMERIK 802C base line:
- Manual (142 pages) ,
- Diagnostics manual (115 pages)
Table of Contents
4.3.6
Instruction set
SINUMERIK 802C base line
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A detailed description of the instructions is to be found in the help system of the
PLC 802 Programming Tool (Help > Contents and Index, "SIMATIC LAD
Instructions") and in the Documentation "S7-200 Automation System, CPU22x
System Manual.
Table 4–11 Instruction set
Instruction
Load
normal open
And
n=1 close
Or
n=0 open
Load Not
normal close
And Not
n=0 close
Or Not
n=1 open
Output
prior 0, n=0
prior 1, n=1
Set
prior 0, not set
prior 1 or ↑
(1 Bit)
Reset
prior 0, no reset
prior 1 or ↑
(1 Bit)
Instruction
prior ↑ close
Edge Up
(1 PLC cycle)
prior ↓ close
Edge Down
(1 PLC cycle)
Logical Not
prior 0, later 1
prior 1, later 0
No operation
Instruction
Load Byte =
a = b close
a ≠ b open
And Byte =
Or Byte =
a EFORVH
Load Byte
a < b open
And Byte
Or Byte
a EFORVH
Load Byte
a > b open
And Byte
Or Byte
BASIC BOOLEAN INSTRUCTIONS
Ladder Symbol
B it
OTHER BOOLEAN INSTRUCTIONS
Ladder Symbol
OPU
N O P
BYTE COMPARES (Unsigned)
Ladder Symbol
> =B
< =B
Valid Operands
V, I, Q, M, SM, T, C, L
B it
V, I, Q, M, SM, T, C, L
B it
V, I, Q, M,T, C, L
Bit
V, I, Q, M, T, C, L
S
V, I, Q, M, T, C, L
Bit
R
Valid Operands
P
N
n
n = 0 ... 255
Valid Operands
a:
VB, IB, QB, MB,
a
SMB, AC,
==B
Constant, LB
b
b:
VB, IB, QB, MB,
a
SMB, AC,
Constant, LB
b
a
b
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4-21
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