Chapter 7 Explanation of Functions
7 - 71
7.8.12 Logical output signal operation function (LOG1)
The logical output signal operation function allows you to make the inverter internally perform a logical
operation of output signals.
This function applies to all output signals, except to logical operation results (LOG1) and allocation none
(NO).
Three types of operators (AND, OR, and XOR) are selectable.
Selected signal
Operation-target 1
selection
Operation-target 2
selection
Operator
selection
33: Logical output signal 1 (LOG1) C142 C143 C144
(Example) To output the AND of the running signal (00: RUN) and set the frequency overreached signal
(02: FA2) as the logical output signal 1 (LOG1) to the intelligent output terminal [11]:
- Intelligent output terminal [11] (C021): 33 (LOG1)
- Logical output signal 1 selection 1 (C142): 00 (RUN)
- Logical output signal 1 selection 2 (C143): 02 (FA2)
- Logical output signal 1 operator (C144): 00 (AND)
Item Function code Data or range of data Description
Logical output
signal selection 1
C142
Selection of "00" to "60" from the
data (except LOG1,no) output to
intelligent output terminals
Selection of operation-target 1
Logical output
signal selection 2
C143
Selection of "00" to "60" from the
data (except LOG1,no) output to
intelligent output terminals
Selection of operation-target 2
Logical output
signal operator
selection
C144
00 AND
01 OR
02 XOR
LOGx (AND)
LOGx (OR)
LOGx (XOR)
Logic output signal 1
Logic output signal 2
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