CS1D-IC102D Omron, CS1D-IC102D Datasheet - Page 355
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CS1D-IC102D
Manufacturer Part Number
CS1D-IC102D
Description
CS1D Dual IO Control Unit
Manufacturer
Omron
Datasheet
1.CS1D-SP002.pdf
(638 pages)
Specifications of CS1D-IC102D
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Using the Condition Flags
320
Condition Flags
Error Flag
Access Error Flag
Carry Flag
Greater Than Flag P_GT
Equals Flag
Less Than Flag
Negative Flag
Overflow Flag
Underflow Flag
Greater Than or
Equals Flag
Not Equal Flag
Less Than or
Equals Flag
Always ON Flag
Always OFF Flag
Name
P_ER
P_AER
P_CY
P_EQ
P_LT
P_N
P_OF
P_UF
P_GE
P_NE
P_LE
P_On
P_Off
Symbol
Refer to the description of the instruction for complete details on the operation
of the Condition Flags for a particular instruction.
The Condition Flags are shared by all of the instructions, so their status may
change often in a single cycle. Be sure to read the Condition Flags immedi-
ately after the execution of instruction, preferably in a branch from the same
execution condition.
ER
AER
CY
>
=
<
N
OF
UF
< >
ON
OFF
The result from instruction A is
reflected in the Equals Flag.
Label
=
=
Instruction A
Instruction B
Turned ON when the operand data in an instruction is incorrect (an
instruction processing error) to indicate that an instruction ended
because of an error.
When the PLC Setup is set to stop operation for an instruction error
(Instruction Error Operation), program execution will be stopped and
the Instruction Processing Error Flag (A29508) will be turned ON
when the Error Flag is turned ON.
Turned ON when an Illegal Access Error occurs. The Illegal Access
Error indicates that an instruction attempted to access an area of
memory that should not be accessed.
When the PLC Setup is set to stop operation for an instruction error
(Instruction Error Operation), program execution will be stopped and
the Instruction Processing Error Flag (A429510) will be turned ON
when the Access Error Flag is turned ON.
Turned ON when there is a carry in the result of an arithmetic opera-
tion or a “1” is shifted to the Carry Flag by a Data Shift instruction.
The Carry Flag is part of the result of some Data Shift and Symbol
Math instructions.
Turned ON when the first operand of a Comparison Instruction is
greater than the second or a value exceeds a specified range.
Turned ON when the two operands of a Comparison Instruction are
equal the result of a calculation is 0.
Turned ON when the first operand of a Comparison Instruction is less
than the second or a value is below a specified range.
Turned ON when the most significant bit (sign bit) of a result is ON.
Turned ON when the result of calculation overflows the capacity of the
result word(s).
Turned ON when the result of calculation underflows the capacity of
the result word(s).
Turned ON when the first operand of a Comparison Instruction is
greater than or equal to the second.
Turned ON when the two operands of a Comparison Instruction are
not equal.
Turned ON when the first operand of a Comparison Instruction is less
than or equal to the second.
Always ON. (Always 1.)
Always OFF. (Always 0.)
Instruction
LD
Instruction A
AND
Instruction B
Function
Operand
=
Section 8-20
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