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<Appendix 3. Input Selector (IS) Block>
A3-13
IM 01S01C01-01EN
A3.4.2 OUT Processing
OUT is an output parameter used to send the value selected in the IS block to another function block.
The following describes OUT processing.
Table A3.3 Block Mode and Value
MODE Value
O/S
• The previous value is output. (At startup, the initial value is
used).
• Writable (the operator may change the value.) Man
A
u
t
o
Value specified by MIN_Good > the number of
valid inputs
• The previous value is output.
• Not writable
If there is no valid input
If the input status is “bad” or “uncertain” when
the value of OP_SELECT is anything other than
“0” (with the exception of the case where the
“Uncertain as good” bit in STATUS_OPTS is set)
If the value of OP_SELECT is greater than 8,
which is the maximum number of inputs
• Zero
• Not writable
If OP_SELECT is enabled • The value of the selected input is output.
• Not writable
If the value is out of the SELECT_TYPE setting
range when the value of OP_SELECT is “0”
• The previous value is output.
• Not writable
If SELECT_TYPE is “First Good” • The value of a valid input with the smallest input number is
output.
• Not writable
If SELECT_TYPE is “MINIMUM” • The minimum value among the values of the valid inputs is
output.
• Not writable
If SELECT_TYPE is “MAXIMUM” • The maximum value among the values of the valid inputs is
output.
• Not writable
If SELECT_TYPE is “MIDDLE”
(There is an even multiple number of valid inputs.)
• Because two inputs are positioned in the middle of the values
of even multiple valid inputs, the average of the values of
these two inputs is output.
• Not writable
If SELECT_TYPE is “MIDDLE”
(There is an odd multiple number of valid inputs.)
• The value of the input positioned in the middle of the values of
odd multiple valid inputs is output.
• Not writable
If SELECT_TYPE is “AVERAGE” • The value obtained by dividing the added value of the values
of valid inputs by the number of these inputs is output.
• Not writable
If SELECT_TYPE is “Latched Good” • The value of a valid input with the smallest input number is
output.
• Not writable
Table A3.4 Condition and Mode
Condition (Listed in priority sequence) Mode
If the Actual is in O/S O/S
If the “Uncertain if Man mode” bit in STATUS_OPTS is set and the Actual is in Man Man
If the “Uncertain if Man mode” bit in STATUS_OPTS is not set and the Actual is in Man Man
Values specified by MIN_Good > the number of valid inputs Aute
If there is no valid input Aute
If the input status is “bad” or “uncertain” when the value of OP_SELECT is anything other than “0”
(with the exception of the case where the “Uncertain as good” bit in STATUS_OPTS is set)
Aute
If the value of OP_SELECT is greater than 8, which is the maximum number of inputs Aute
If OP_SELECT has selected IN whose status is “bad” or “uncertain”
(See the item “Transition of Sub-status in the Case Where OP_SELECT is Selected.”)
Aute
If the value is out of the SELECT_TYPE setting range when the value of OP_SELECT is “0” Aute